chore: 添加虚拟环境到仓库

- 添加 backend_service/venv 虚拟环境
- 包含所有Python依赖包
- 注意：虚拟环境约393MB，包含12655个文件

backend_service/venv/lib/python3.13/site-packages/fastapi/__init__.py

@@ -0,0 +1,25 @@
+"""FastAPI framework, high performance, easy to learn, fast to code, ready for production"""
+
+__version__ = "0.121.2"
+
+from starlette import status as status
+
+from .applications import FastAPI as FastAPI
+from .background import BackgroundTasks as BackgroundTasks
+from .datastructures import UploadFile as UploadFile
+from .exceptions import HTTPException as HTTPException
+from .exceptions import WebSocketException as WebSocketException
+from .param_functions import Body as Body
+from .param_functions import Cookie as Cookie
+from .param_functions import Depends as Depends
+from .param_functions import File as File
+from .param_functions import Form as Form
+from .param_functions import Header as Header
+from .param_functions import Path as Path
+from .param_functions import Query as Query
+from .param_functions import Security as Security
+from .requests import Request as Request
+from .responses import Response as Response
+from .routing import APIRouter as APIRouter
+from .websockets import WebSocket as WebSocket
+from .websockets import WebSocketDisconnect as WebSocketDisconnect

backend_service/venv/lib/python3.13/site-packages/fastapi/__main__.py

@@ -0,0 +1,3 @@
+from fastapi.cli import main
+
+main()

backend_service/venv/lib/python3.13/site-packages/fastapi/_compat/__init__.py

@@ -0,0 +1,50 @@
+from .main import BaseConfig as BaseConfig
+from .main import PydanticSchemaGenerationError as PydanticSchemaGenerationError
+from .main import RequiredParam as RequiredParam
+from .main import Undefined as Undefined
+from .main import UndefinedType as UndefinedType
+from .main import Url as Url
+from .main import Validator as Validator
+from .main import _get_model_config as _get_model_config
+from .main import _is_error_wrapper as _is_error_wrapper
+from .main import _is_model_class as _is_model_class
+from .main import _is_model_field as _is_model_field
+from .main import _is_undefined as _is_undefined
+from .main import _model_dump as _model_dump
+from .main import _model_rebuild as _model_rebuild
+from .main import copy_field_info as copy_field_info
+from .main import create_body_model as create_body_model
+from .main import evaluate_forwardref as evaluate_forwardref
+from .main import get_annotation_from_field_info as get_annotation_from_field_info
+from .main import get_cached_model_fields as get_cached_model_fields
+from .main import get_compat_model_name_map as get_compat_model_name_map
+from .main import get_definitions as get_definitions
+from .main import get_missing_field_error as get_missing_field_error
+from .main import get_schema_from_model_field as get_schema_from_model_field
+from .main import is_bytes_field as is_bytes_field
+from .main import is_bytes_sequence_field as is_bytes_sequence_field
+from .main import is_scalar_field as is_scalar_field
+from .main import is_scalar_sequence_field as is_scalar_sequence_field
+from .main import is_sequence_field as is_sequence_field
+from .main import serialize_sequence_value as serialize_sequence_value
+from .main import (
+    with_info_plain_validator_function as with_info_plain_validator_function,
+)
+from .may_v1 import CoreSchema as CoreSchema
+from .may_v1 import GetJsonSchemaHandler as GetJsonSchemaHandler
+from .may_v1 import JsonSchemaValue as JsonSchemaValue
+from .may_v1 import _normalize_errors as _normalize_errors
+from .model_field import ModelField as ModelField
+from .shared import PYDANTIC_V2 as PYDANTIC_V2
+from .shared import PYDANTIC_VERSION_MINOR_TUPLE as PYDANTIC_VERSION_MINOR_TUPLE
+from .shared import annotation_is_pydantic_v1 as annotation_is_pydantic_v1
+from .shared import field_annotation_is_scalar as field_annotation_is_scalar
+from .shared import (
+    is_uploadfile_or_nonable_uploadfile_annotation as is_uploadfile_or_nonable_uploadfile_annotation,
+)
+from .shared import (
+    is_uploadfile_sequence_annotation as is_uploadfile_sequence_annotation,
+)
+from .shared import lenient_issubclass as lenient_issubclass
+from .shared import sequence_types as sequence_types
+from .shared import value_is_sequence as value_is_sequence

backend_service/venv/lib/python3.13/site-packages/fastapi/_compat/main.py

@@ -0,0 +1,362 @@
+import sys
+from functools import lru_cache
+from typing import (
+    Any,
+    Dict,
+    List,
+    Sequence,
+    Tuple,
+    Type,
+)
+
+from fastapi._compat import may_v1
+from fastapi._compat.shared import PYDANTIC_V2, lenient_issubclass
+from fastapi.types import ModelNameMap
+from pydantic import BaseModel
+from typing_extensions import Literal
+
+from .model_field import ModelField
+
+if PYDANTIC_V2:
+    from .v2 import BaseConfig as BaseConfig
+    from .v2 import FieldInfo as FieldInfo
+    from .v2 import PydanticSchemaGenerationError as PydanticSchemaGenerationError
+    from .v2 import RequiredParam as RequiredParam
+    from .v2 import Undefined as Undefined
+    from .v2 import UndefinedType as UndefinedType
+    from .v2 import Url as Url
+    from .v2 import Validator as Validator
+    from .v2 import evaluate_forwardref as evaluate_forwardref
+    from .v2 import get_missing_field_error as get_missing_field_error
+    from .v2 import (
+        with_info_plain_validator_function as with_info_plain_validator_function,
+    )
+else:
+    from .v1 import BaseConfig as BaseConfig  # type: ignore[assignment]
+    from .v1 import FieldInfo as FieldInfo
+    from .v1 import (  # type: ignore[assignment]
+        PydanticSchemaGenerationError as PydanticSchemaGenerationError,
+    )
+    from .v1 import RequiredParam as RequiredParam
+    from .v1 import Undefined as Undefined
+    from .v1 import UndefinedType as UndefinedType
+    from .v1 import Url as Url  # type: ignore[assignment]
+    from .v1 import Validator as Validator
+    from .v1 import evaluate_forwardref as evaluate_forwardref
+    from .v1 import get_missing_field_error as get_missing_field_error
+    from .v1 import (  # type: ignore[assignment]
+        with_info_plain_validator_function as with_info_plain_validator_function,
+    )
+
+
+@lru_cache
+def get_cached_model_fields(model: Type[BaseModel]) -> List[ModelField]:
+    if lenient_issubclass(model, may_v1.BaseModel):
+        from fastapi._compat import v1
+
+        return v1.get_model_fields(model)
+    else:
+        from . import v2
+
+        return v2.get_model_fields(model)  # type: ignore[return-value]
+
+
+def _is_undefined(value: object) -> bool:
+    if isinstance(value, may_v1.UndefinedType):
+        return True
+    elif PYDANTIC_V2:
+        from . import v2
+
+        return isinstance(value, v2.UndefinedType)
+    return False
+
+
+def _get_model_config(model: BaseModel) -> Any:
+    if isinstance(model, may_v1.BaseModel):
+        from fastapi._compat import v1
+
+        return v1._get_model_config(model)
+    elif PYDANTIC_V2:
+        from . import v2
+
+        return v2._get_model_config(model)
+
+
+def _model_dump(
+    model: BaseModel, mode: Literal["json", "python"] = "json", **kwargs: Any
+) -> Any:
+    if isinstance(model, may_v1.BaseModel):
+        from fastapi._compat import v1
+
+        return v1._model_dump(model, mode=mode, **kwargs)
+    elif PYDANTIC_V2:
+        from . import v2
+
+        return v2._model_dump(model, mode=mode, **kwargs)
+
+
+def _is_error_wrapper(exc: Exception) -> bool:
+    if isinstance(exc, may_v1.ErrorWrapper):
+        return True
+    elif PYDANTIC_V2:
+        from . import v2
+
+        return isinstance(exc, v2.ErrorWrapper)
+    return False
+
+
+def copy_field_info(*, field_info: FieldInfo, annotation: Any) -> FieldInfo:
+    if isinstance(field_info, may_v1.FieldInfo):
+        from fastapi._compat import v1
+
+        return v1.copy_field_info(field_info=field_info, annotation=annotation)
+    else:
+        assert PYDANTIC_V2
+        from . import v2
+
+        return v2.copy_field_info(field_info=field_info, annotation=annotation)
+
+
+def create_body_model(
+    *, fields: Sequence[ModelField], model_name: str
+) -> Type[BaseModel]:
+    if fields and isinstance(fields[0], may_v1.ModelField):
+        from fastapi._compat import v1
+
+        return v1.create_body_model(fields=fields, model_name=model_name)
+    else:
+        assert PYDANTIC_V2
+        from . import v2
+
+        return v2.create_body_model(fields=fields, model_name=model_name)  # type: ignore[arg-type]
+
+
+def get_annotation_from_field_info(
+    annotation: Any, field_info: FieldInfo, field_name: str
+) -> Any:
+    if isinstance(field_info, may_v1.FieldInfo):
+        from fastapi._compat import v1
+
+        return v1.get_annotation_from_field_info(
+            annotation=annotation, field_info=field_info, field_name=field_name
+        )
+    else:
+        assert PYDANTIC_V2
+        from . import v2
+
+        return v2.get_annotation_from_field_info(
+            annotation=annotation, field_info=field_info, field_name=field_name
+        )
+
+
+def is_bytes_field(field: ModelField) -> bool:
+    if isinstance(field, may_v1.ModelField):
+        from fastapi._compat import v1
+
+        return v1.is_bytes_field(field)
+    else:
+        assert PYDANTIC_V2
+        from . import v2
+
+        return v2.is_bytes_field(field)  # type: ignore[arg-type]
+
+
+def is_bytes_sequence_field(field: ModelField) -> bool:
+    if isinstance(field, may_v1.ModelField):
+        from fastapi._compat import v1
+
+        return v1.is_bytes_sequence_field(field)
+    else:
+        assert PYDANTIC_V2
+        from . import v2
+
+        return v2.is_bytes_sequence_field(field)  # type: ignore[arg-type]
+
+
+def is_scalar_field(field: ModelField) -> bool:
+    if isinstance(field, may_v1.ModelField):
+        from fastapi._compat import v1
+
+        return v1.is_scalar_field(field)
+    else:
+        assert PYDANTIC_V2
+        from . import v2
+
+        return v2.is_scalar_field(field)  # type: ignore[arg-type]
+
+
+def is_scalar_sequence_field(field: ModelField) -> bool:
+    if isinstance(field, may_v1.ModelField):
+        from fastapi._compat import v1
+
+        return v1.is_scalar_sequence_field(field)
+    else:
+        assert PYDANTIC_V2
+        from . import v2
+
+        return v2.is_scalar_sequence_field(field)  # type: ignore[arg-type]
+
+
+def is_sequence_field(field: ModelField) -> bool:
+    if isinstance(field, may_v1.ModelField):
+        from fastapi._compat import v1
+
+        return v1.is_sequence_field(field)
+    else:
+        assert PYDANTIC_V2
+        from . import v2
+
+        return v2.is_sequence_field(field)  # type: ignore[arg-type]
+
+
+def serialize_sequence_value(*, field: ModelField, value: Any) -> Sequence[Any]:
+    if isinstance(field, may_v1.ModelField):
+        from fastapi._compat import v1
+
+        return v1.serialize_sequence_value(field=field, value=value)
+    else:
+        assert PYDANTIC_V2
+        from . import v2
+
+        return v2.serialize_sequence_value(field=field, value=value)  # type: ignore[arg-type]
+
+
+def _model_rebuild(model: Type[BaseModel]) -> None:
+    if lenient_issubclass(model, may_v1.BaseModel):
+        from fastapi._compat import v1
+
+        v1._model_rebuild(model)
+    elif PYDANTIC_V2:
+        from . import v2
+
+        v2._model_rebuild(model)
+
+
+def get_compat_model_name_map(fields: List[ModelField]) -> ModelNameMap:
+    v1_model_fields = [
+        field for field in fields if isinstance(field, may_v1.ModelField)
+    ]
+    if v1_model_fields:
+        from fastapi._compat import v1
+
+        v1_flat_models = v1.get_flat_models_from_fields(
+            v1_model_fields, known_models=set()
+        )
+        all_flat_models = v1_flat_models
+    else:
+        all_flat_models = set()
+    if PYDANTIC_V2:
+        from . import v2
+
+        v2_model_fields = [
+            field for field in fields if isinstance(field, v2.ModelField)
+        ]
+        v2_flat_models = v2.get_flat_models_from_fields(
+            v2_model_fields, known_models=set()
+        )
+        all_flat_models = all_flat_models.union(v2_flat_models)
+
+        model_name_map = v2.get_model_name_map(all_flat_models)
+        return model_name_map
+    from fastapi._compat import v1
+
+    model_name_map = v1.get_model_name_map(all_flat_models)
+    return model_name_map
+
+
+def get_definitions(
+    *,
+    fields: List[ModelField],
+    model_name_map: ModelNameMap,
+    separate_input_output_schemas: bool = True,
+) -> Tuple[
+    Dict[
+        Tuple[ModelField, Literal["validation", "serialization"]],
+        may_v1.JsonSchemaValue,
+    ],
+    Dict[str, Dict[str, Any]],
+]:
+    if sys.version_info < (3, 14):
+        v1_fields = [field for field in fields if isinstance(field, may_v1.ModelField)]
+        v1_field_maps, v1_definitions = may_v1.get_definitions(
+            fields=v1_fields,
+            model_name_map=model_name_map,
+            separate_input_output_schemas=separate_input_output_schemas,
+        )
+        if not PYDANTIC_V2:
+            return v1_field_maps, v1_definitions
+        else:
+            from . import v2
+
+            v2_fields = [field for field in fields if isinstance(field, v2.ModelField)]
+            v2_field_maps, v2_definitions = v2.get_definitions(
+                fields=v2_fields,
+                model_name_map=model_name_map,
+                separate_input_output_schemas=separate_input_output_schemas,
+            )
+            all_definitions = {**v1_definitions, **v2_definitions}
+            all_field_maps = {**v1_field_maps, **v2_field_maps}
+            return all_field_maps, all_definitions
+
+    # Pydantic v1 is not supported since Python 3.14
+    else:
+        from . import v2
+
+        v2_fields = [field for field in fields if isinstance(field, v2.ModelField)]
+        v2_field_maps, v2_definitions = v2.get_definitions(
+            fields=v2_fields,
+            model_name_map=model_name_map,
+            separate_input_output_schemas=separate_input_output_schemas,
+        )
+        return v2_field_maps, v2_definitions
+
+
+def get_schema_from_model_field(
+    *,
+    field: ModelField,
+    model_name_map: ModelNameMap,
+    field_mapping: Dict[
+        Tuple[ModelField, Literal["validation", "serialization"]],
+        may_v1.JsonSchemaValue,
+    ],
+    separate_input_output_schemas: bool = True,
+) -> Dict[str, Any]:
+    if isinstance(field, may_v1.ModelField):
+        from fastapi._compat import v1
+
+        return v1.get_schema_from_model_field(
+            field=field,
+            model_name_map=model_name_map,
+            field_mapping=field_mapping,
+            separate_input_output_schemas=separate_input_output_schemas,
+        )
+    else:
+        assert PYDANTIC_V2
+        from . import v2
+
+        return v2.get_schema_from_model_field(
+            field=field,  # type: ignore[arg-type]
+            model_name_map=model_name_map,
+            field_mapping=field_mapping,  # type: ignore[arg-type]
+            separate_input_output_schemas=separate_input_output_schemas,
+        )
+
+
+def _is_model_field(value: Any) -> bool:
+    if isinstance(value, may_v1.ModelField):
+        return True
+    elif PYDANTIC_V2:
+        from . import v2
+
+        return isinstance(value, v2.ModelField)
+    return False
+
+
+def _is_model_class(value: Any) -> bool:
+    if lenient_issubclass(value, may_v1.BaseModel):
+        return True
+    elif PYDANTIC_V2:
+        from . import v2
+
+        return lenient_issubclass(value, v2.BaseModel)  # type: ignore[attr-defined]
+    return False

backend_service/venv/lib/python3.13/site-packages/fastapi/_compat/may_v1.py

@@ -0,0 +1,123 @@
+import sys
+from typing import Any, Dict, List, Literal, Sequence, Tuple, Type, Union
+
+from fastapi.types import ModelNameMap
+
+if sys.version_info >= (3, 14):
+
+    class AnyUrl:
+        pass
+
+    class BaseConfig:
+        pass
+
+    class BaseModel:
+        pass
+
+    class Color:
+        pass
+
+    class CoreSchema:
+        pass
+
+    class ErrorWrapper:
+        pass
+
+    class FieldInfo:
+        pass
+
+    class GetJsonSchemaHandler:
+        pass
+
+    class JsonSchemaValue:
+        pass
+
+    class ModelField:
+        pass
+
+    class NameEmail:
+        pass
+
+    class RequiredParam:
+        pass
+
+    class SecretBytes:
+        pass
+
+    class SecretStr:
+        pass
+
+    class Undefined:
+        pass
+
+    class UndefinedType:
+        pass
+
+    class Url:
+        pass
+
+    from .v2 import ValidationError, create_model
+
+    def get_definitions(
+        *,
+        fields: List[ModelField],
+        model_name_map: ModelNameMap,
+        separate_input_output_schemas: bool = True,
+    ) -> Tuple[
+        Dict[
+            Tuple[ModelField, Literal["validation", "serialization"]], JsonSchemaValue
+        ],
+        Dict[str, Dict[str, Any]],
+    ]:
+        return {}, {}  # pragma: no cover
+
+
+else:
+    from .v1 import AnyUrl as AnyUrl
+    from .v1 import BaseConfig as BaseConfig
+    from .v1 import BaseModel as BaseModel
+    from .v1 import Color as Color
+    from .v1 import CoreSchema as CoreSchema
+    from .v1 import ErrorWrapper as ErrorWrapper
+    from .v1 import FieldInfo as FieldInfo
+    from .v1 import GetJsonSchemaHandler as GetJsonSchemaHandler
+    from .v1 import JsonSchemaValue as JsonSchemaValue
+    from .v1 import ModelField as ModelField
+    from .v1 import NameEmail as NameEmail
+    from .v1 import RequiredParam as RequiredParam
+    from .v1 import SecretBytes as SecretBytes
+    from .v1 import SecretStr as SecretStr
+    from .v1 import Undefined as Undefined
+    from .v1 import UndefinedType as UndefinedType
+    from .v1 import Url as Url
+    from .v1 import ValidationError, create_model
+    from .v1 import get_definitions as get_definitions
+
+
+RequestErrorModel: Type[BaseModel] = create_model("Request")
+
+
+def _normalize_errors(errors: Sequence[Any]) -> List[Dict[str, Any]]:
+    use_errors: List[Any] = []
+    for error in errors:
+        if isinstance(error, ErrorWrapper):
+            new_errors = ValidationError(  # type: ignore[call-arg]
+                errors=[error], model=RequestErrorModel
+            ).errors()
+            use_errors.extend(new_errors)
+        elif isinstance(error, list):
+            use_errors.extend(_normalize_errors(error))
+        else:
+            use_errors.append(error)
+    return use_errors
+
+
+def _regenerate_error_with_loc(
+    *, errors: Sequence[Any], loc_prefix: Tuple[Union[str, int], ...]
+) -> List[Dict[str, Any]]:
+    updated_loc_errors: List[Any] = [
+        {**err, "loc": loc_prefix + err.get("loc", ())}
+        for err in _normalize_errors(errors)
+    ]
+
+    return updated_loc_errors

backend_service/venv/lib/python3.13/site-packages/fastapi/_compat/model_field.py

@@ -0,0 +1,53 @@
+from typing import (
+    Any,
+    Dict,
+    List,
+    Tuple,
+    Union,
+)
+
+from fastapi.types import IncEx
+from pydantic.fields import FieldInfo
+from typing_extensions import Literal, Protocol
+
+
+class ModelField(Protocol):
+    field_info: "FieldInfo"
+    name: str
+    mode: Literal["validation", "serialization"] = "validation"
+    _version: Literal["v1", "v2"] = "v1"
+
+    @property
+    def alias(self) -> str: ...
+
+    @property
+    def required(self) -> bool: ...
+
+    @property
+    def default(self) -> Any: ...
+
+    @property
+    def type_(self) -> Any: ...
+
+    def get_default(self) -> Any: ...
+
+    def validate(
+        self,
+        value: Any,
+        values: Dict[str, Any] = {},  # noqa: B006
+        *,
+        loc: Tuple[Union[int, str], ...] = (),
+    ) -> Tuple[Any, Union[List[Dict[str, Any]], None]]: ...
+
+    def serialize(
+        self,
+        value: Any,
+        *,
+        mode: Literal["json", "python"] = "json",
+        include: Union[IncEx, None] = None,
+        exclude: Union[IncEx, None] = None,
+        by_alias: bool = True,
+        exclude_unset: bool = False,
+        exclude_defaults: bool = False,
+        exclude_none: bool = False,
+    ) -> Any: ...

backend_service/venv/lib/python3.13/site-packages/fastapi/_compat/shared.py

@@ -0,0 +1,211 @@
+import sys
+import types
+import typing
+from collections import deque
+from dataclasses import is_dataclass
+from typing import (
+    Any,
+    Deque,
+    FrozenSet,
+    List,
+    Mapping,
+    Sequence,
+    Set,
+    Tuple,
+    Type,
+    Union,
+)
+
+from fastapi._compat import may_v1
+from fastapi.types import UnionType
+from pydantic import BaseModel
+from pydantic.version import VERSION as PYDANTIC_VERSION
+from starlette.datastructures import UploadFile
+from typing_extensions import Annotated, get_args, get_origin
+
+# Copy from Pydantic v2, compatible with v1
+if sys.version_info < (3, 9):
+    # Pydantic no longer supports Python 3.8, this might be incorrect, but the code
+    # this is used for is also never reached in this codebase, as it's a copy of
+    # Pydantic's lenient_issubclass, just for compatibility with v1
+    # TODO: remove when dropping support for Python 3.8
+    WithArgsTypes: Tuple[Any, ...] = ()
+elif sys.version_info < (3, 10):
+    WithArgsTypes: tuple[Any, ...] = (typing._GenericAlias, types.GenericAlias)  # type: ignore[attr-defined]
+else:
+    WithArgsTypes: tuple[Any, ...] = (
+        typing._GenericAlias,  # type: ignore[attr-defined]
+        types.GenericAlias,
+        types.UnionType,
+    )  # pyright: ignore[reportAttributeAccessIssue]
+
+PYDANTIC_VERSION_MINOR_TUPLE = tuple(int(x) for x in PYDANTIC_VERSION.split(".")[:2])
+PYDANTIC_V2 = PYDANTIC_VERSION_MINOR_TUPLE[0] == 2
+
+
+sequence_annotation_to_type = {
+    Sequence: list,
+    List: list,
+    list: list,
+    Tuple: tuple,
+    tuple: tuple,
+    Set: set,
+    set: set,
+    FrozenSet: frozenset,
+    frozenset: frozenset,
+    Deque: deque,
+    deque: deque,
+}
+
+sequence_types = tuple(sequence_annotation_to_type.keys())
+
+Url: Type[Any]
+
+
+# Copy of Pydantic v2, compatible with v1
+def lenient_issubclass(
+    cls: Any, class_or_tuple: Union[Type[Any], Tuple[Type[Any], ...], None]
+) -> bool:
+    try:
+        return isinstance(cls, type) and issubclass(cls, class_or_tuple)  # type: ignore[arg-type]
+    except TypeError:  # pragma: no cover
+        if isinstance(cls, WithArgsTypes):
+            return False
+        raise  # pragma: no cover
+
+
+def _annotation_is_sequence(annotation: Union[Type[Any], None]) -> bool:
+    if lenient_issubclass(annotation, (str, bytes)):
+        return False
+    return lenient_issubclass(annotation, sequence_types)  # type: ignore[arg-type]
+
+
+def field_annotation_is_sequence(annotation: Union[Type[Any], None]) -> bool:
+    origin = get_origin(annotation)
+    if origin is Union or origin is UnionType:
+        for arg in get_args(annotation):
+            if field_annotation_is_sequence(arg):
+                return True
+        return False
+    return _annotation_is_sequence(annotation) or _annotation_is_sequence(
+        get_origin(annotation)
+    )
+
+
+def value_is_sequence(value: Any) -> bool:
+    return isinstance(value, sequence_types) and not isinstance(value, (str, bytes))  # type: ignore[arg-type]
+
+
+def _annotation_is_complex(annotation: Union[Type[Any], None]) -> bool:
+    return (
+        lenient_issubclass(
+            annotation, (BaseModel, may_v1.BaseModel, Mapping, UploadFile)
+        )
+        or _annotation_is_sequence(annotation)
+        or is_dataclass(annotation)
+    )
+
+
+def field_annotation_is_complex(annotation: Union[Type[Any], None]) -> bool:
+    origin = get_origin(annotation)
+    if origin is Union or origin is UnionType:
+        return any(field_annotation_is_complex(arg) for arg in get_args(annotation))
+
+    if origin is Annotated:
+        return field_annotation_is_complex(get_args(annotation)[0])
+
+    return (
+        _annotation_is_complex(annotation)
+        or _annotation_is_complex(origin)
+        or hasattr(origin, "__pydantic_core_schema__")
+        or hasattr(origin, "__get_pydantic_core_schema__")
+    )
+
+
+def field_annotation_is_scalar(annotation: Any) -> bool:
+    # handle Ellipsis here to make tuple[int, ...] work nicely
+    return annotation is Ellipsis or not field_annotation_is_complex(annotation)
+
+
+def field_annotation_is_scalar_sequence(annotation: Union[Type[Any], None]) -> bool:
+    origin = get_origin(annotation)
+    if origin is Union or origin is UnionType:
+        at_least_one_scalar_sequence = False
+        for arg in get_args(annotation):
+            if field_annotation_is_scalar_sequence(arg):
+                at_least_one_scalar_sequence = True
+                continue
+            elif not field_annotation_is_scalar(arg):
+                return False
+        return at_least_one_scalar_sequence
+    return field_annotation_is_sequence(annotation) and all(
+        field_annotation_is_scalar(sub_annotation)
+        for sub_annotation in get_args(annotation)
+    )
+
+
+def is_bytes_or_nonable_bytes_annotation(annotation: Any) -> bool:
+    if lenient_issubclass(annotation, bytes):
+        return True
+    origin = get_origin(annotation)
+    if origin is Union or origin is UnionType:
+        for arg in get_args(annotation):
+            if lenient_issubclass(arg, bytes):
+                return True
+    return False
+
+
+def is_uploadfile_or_nonable_uploadfile_annotation(annotation: Any) -> bool:
+    if lenient_issubclass(annotation, UploadFile):
+        return True
+    origin = get_origin(annotation)
+    if origin is Union or origin is UnionType:
+        for arg in get_args(annotation):
+            if lenient_issubclass(arg, UploadFile):
+                return True
+    return False
+
+
+def is_bytes_sequence_annotation(annotation: Any) -> bool:
+    origin = get_origin(annotation)
+    if origin is Union or origin is UnionType:
+        at_least_one = False
+        for arg in get_args(annotation):
+            if is_bytes_sequence_annotation(arg):
+                at_least_one = True
+                continue
+        return at_least_one
+    return field_annotation_is_sequence(annotation) and all(
+        is_bytes_or_nonable_bytes_annotation(sub_annotation)
+        for sub_annotation in get_args(annotation)
+    )
+
+
+def is_uploadfile_sequence_annotation(annotation: Any) -> bool:
+    origin = get_origin(annotation)
+    if origin is Union or origin is UnionType:
+        at_least_one = False
+        for arg in get_args(annotation):
+            if is_uploadfile_sequence_annotation(arg):
+                at_least_one = True
+                continue
+        return at_least_one
+    return field_annotation_is_sequence(annotation) and all(
+        is_uploadfile_or_nonable_uploadfile_annotation(sub_annotation)
+        for sub_annotation in get_args(annotation)
+    )
+
+
+def annotation_is_pydantic_v1(annotation: Any) -> bool:
+    if lenient_issubclass(annotation, may_v1.BaseModel):
+        return True
+    origin = get_origin(annotation)
+    if origin is Union or origin is UnionType:
+        for arg in get_args(annotation):
+            if lenient_issubclass(arg, may_v1.BaseModel):
+                return True
+    if field_annotation_is_sequence(annotation):
+        for sub_annotation in get_args(annotation):
+            if annotation_is_pydantic_v1(sub_annotation):
+                return True
+    return False

backend_service/venv/lib/python3.13/site-packages/fastapi/_compat/v1.py

@@ -0,0 +1,312 @@
+from copy import copy
+from dataclasses import dataclass, is_dataclass
+from enum import Enum
+from typing import (
+    Any,
+    Callable,
+    Dict,
+    List,
+    Sequence,
+    Set,
+    Tuple,
+    Type,
+    Union,
+)
+
+from fastapi._compat import shared
+from fastapi.openapi.constants import REF_PREFIX as REF_PREFIX
+from fastapi.types import ModelNameMap
+from pydantic.version import VERSION as PYDANTIC_VERSION
+from typing_extensions import Literal
+
+PYDANTIC_VERSION_MINOR_TUPLE = tuple(int(x) for x in PYDANTIC_VERSION.split(".")[:2])
+PYDANTIC_V2 = PYDANTIC_VERSION_MINOR_TUPLE[0] == 2
+# Keeping old "Required" functionality from Pydantic V1, without
+# shadowing typing.Required.
+RequiredParam: Any = Ellipsis
+
+if not PYDANTIC_V2:
+    from pydantic import BaseConfig as BaseConfig
+    from pydantic import BaseModel as BaseModel
+    from pydantic import ValidationError as ValidationError
+    from pydantic import create_model as create_model
+    from pydantic.class_validators import Validator as Validator
+    from pydantic.color import Color as Color
+    from pydantic.error_wrappers import ErrorWrapper as ErrorWrapper
+    from pydantic.errors import MissingError
+    from pydantic.fields import (  # type: ignore[attr-defined]
+        SHAPE_FROZENSET,
+        SHAPE_LIST,
+        SHAPE_SEQUENCE,
+        SHAPE_SET,
+        SHAPE_SINGLETON,
+        SHAPE_TUPLE,
+        SHAPE_TUPLE_ELLIPSIS,
+    )
+    from pydantic.fields import FieldInfo as FieldInfo
+    from pydantic.fields import ModelField as ModelField  # type: ignore[attr-defined]
+    from pydantic.fields import Undefined as Undefined  # type: ignore[attr-defined]
+    from pydantic.fields import (  # type: ignore[attr-defined]
+        UndefinedType as UndefinedType,
+    )
+    from pydantic.networks import AnyUrl as AnyUrl
+    from pydantic.networks import NameEmail as NameEmail
+    from pydantic.schema import TypeModelSet as TypeModelSet
+    from pydantic.schema import (
+        field_schema,
+        model_process_schema,
+    )
+    from pydantic.schema import (
+        get_annotation_from_field_info as get_annotation_from_field_info,
+    )
+    from pydantic.schema import get_flat_models_from_field as get_flat_models_from_field
+    from pydantic.schema import (
+        get_flat_models_from_fields as get_flat_models_from_fields,
+    )
+    from pydantic.schema import get_model_name_map as get_model_name_map
+    from pydantic.types import SecretBytes as SecretBytes
+    from pydantic.types import SecretStr as SecretStr
+    from pydantic.typing import evaluate_forwardref as evaluate_forwardref
+    from pydantic.utils import lenient_issubclass as lenient_issubclass
+
+
+else:
+    from pydantic.v1 import BaseConfig as BaseConfig  # type: ignore[assignment]
+    from pydantic.v1 import BaseModel as BaseModel  # type: ignore[assignment]
+    from pydantic.v1 import (  # type: ignore[assignment]
+        ValidationError as ValidationError,
+    )
+    from pydantic.v1 import create_model as create_model  # type: ignore[no-redef]
+    from pydantic.v1.class_validators import Validator as Validator
+    from pydantic.v1.color import Color as Color  # type: ignore[assignment]
+    from pydantic.v1.error_wrappers import ErrorWrapper as ErrorWrapper
+    from pydantic.v1.errors import MissingError
+    from pydantic.v1.fields import (
+        SHAPE_FROZENSET,
+        SHAPE_LIST,
+        SHAPE_SEQUENCE,
+        SHAPE_SET,
+        SHAPE_SINGLETON,
+        SHAPE_TUPLE,
+        SHAPE_TUPLE_ELLIPSIS,
+    )
+    from pydantic.v1.fields import FieldInfo as FieldInfo  # type: ignore[assignment]
+    from pydantic.v1.fields import ModelField as ModelField
+    from pydantic.v1.fields import Undefined as Undefined
+    from pydantic.v1.fields import UndefinedType as UndefinedType
+    from pydantic.v1.networks import AnyUrl as AnyUrl
+    from pydantic.v1.networks import (  # type: ignore[assignment]
+        NameEmail as NameEmail,
+    )
+    from pydantic.v1.schema import TypeModelSet as TypeModelSet
+    from pydantic.v1.schema import (
+        field_schema,
+        model_process_schema,
+    )
+    from pydantic.v1.schema import (
+        get_annotation_from_field_info as get_annotation_from_field_info,
+    )
+    from pydantic.v1.schema import (
+        get_flat_models_from_field as get_flat_models_from_field,
+    )
+    from pydantic.v1.schema import (
+        get_flat_models_from_fields as get_flat_models_from_fields,
+    )
+    from pydantic.v1.schema import get_model_name_map as get_model_name_map
+    from pydantic.v1.types import (  # type: ignore[assignment]
+        SecretBytes as SecretBytes,
+    )
+    from pydantic.v1.types import (  # type: ignore[assignment]
+        SecretStr as SecretStr,
+    )
+    from pydantic.v1.typing import evaluate_forwardref as evaluate_forwardref
+    from pydantic.v1.utils import lenient_issubclass as lenient_issubclass
+
+
+GetJsonSchemaHandler = Any
+JsonSchemaValue = Dict[str, Any]
+CoreSchema = Any
+Url = AnyUrl
+
+sequence_shapes = {
+    SHAPE_LIST,
+    SHAPE_SET,
+    SHAPE_FROZENSET,
+    SHAPE_TUPLE,
+    SHAPE_SEQUENCE,
+    SHAPE_TUPLE_ELLIPSIS,
+}
+sequence_shape_to_type = {
+    SHAPE_LIST: list,
+    SHAPE_SET: set,
+    SHAPE_TUPLE: tuple,
+    SHAPE_SEQUENCE: list,
+    SHAPE_TUPLE_ELLIPSIS: list,
+}
+
+
+@dataclass
+class GenerateJsonSchema:
+    ref_template: str
+
+
+class PydanticSchemaGenerationError(Exception):
+    pass
+
+
+RequestErrorModel: Type[BaseModel] = create_model("Request")
+
+
+def with_info_plain_validator_function(
+    function: Callable[..., Any],
+    *,
+    ref: Union[str, None] = None,
+    metadata: Any = None,
+    serialization: Any = None,
+) -> Any:
+    return {}
+
+
+def get_model_definitions(
+    *,
+    flat_models: Set[Union[Type[BaseModel], Type[Enum]]],
+    model_name_map: Dict[Union[Type[BaseModel], Type[Enum]], str],
+) -> Dict[str, Any]:
+    definitions: Dict[str, Dict[str, Any]] = {}
+    for model in flat_models:
+        m_schema, m_definitions, m_nested_models = model_process_schema(
+            model, model_name_map=model_name_map, ref_prefix=REF_PREFIX
+        )
+        definitions.update(m_definitions)
+        model_name = model_name_map[model]
+        definitions[model_name] = m_schema
+    for m_schema in definitions.values():
+        if "description" in m_schema:
+            m_schema["description"] = m_schema["description"].split("\f")[0]
+    return definitions
+
+
+def is_pv1_scalar_field(field: ModelField) -> bool:
+    from fastapi import params
+
+    field_info = field.field_info
+    if not (
+        field.shape == SHAPE_SINGLETON
+        and not lenient_issubclass(field.type_, BaseModel)
+        and not lenient_issubclass(field.type_, dict)
+        and not shared.field_annotation_is_sequence(field.type_)
+        and not is_dataclass(field.type_)
+        and not isinstance(field_info, params.Body)
+    ):
+        return False
+    if field.sub_fields:
+        if not all(is_pv1_scalar_field(f) for f in field.sub_fields):
+            return False
+    return True
+
+
+def is_pv1_scalar_sequence_field(field: ModelField) -> bool:
+    if (field.shape in sequence_shapes) and not lenient_issubclass(
+        field.type_, BaseModel
+    ):
+        if field.sub_fields is not None:
+            for sub_field in field.sub_fields:
+                if not is_pv1_scalar_field(sub_field):
+                    return False
+        return True
+    if shared._annotation_is_sequence(field.type_):
+        return True
+    return False
+
+
+def _model_rebuild(model: Type[BaseModel]) -> None:
+    model.update_forward_refs()
+
+
+def _model_dump(
+    model: BaseModel, mode: Literal["json", "python"] = "json", **kwargs: Any
+) -> Any:
+    return model.dict(**kwargs)
+
+
+def _get_model_config(model: BaseModel) -> Any:
+    return model.__config__  # type: ignore[attr-defined]
+
+
+def get_schema_from_model_field(
+    *,
+    field: ModelField,
+    model_name_map: ModelNameMap,
+    field_mapping: Dict[
+        Tuple[ModelField, Literal["validation", "serialization"]], JsonSchemaValue
+    ],
+    separate_input_output_schemas: bool = True,
+) -> Dict[str, Any]:
+    return field_schema(  # type: ignore[no-any-return]
+        field, model_name_map=model_name_map, ref_prefix=REF_PREFIX
+    )[0]
+
+
+# def get_compat_model_name_map(fields: List[ModelField]) -> ModelNameMap:
+#     models = get_flat_models_from_fields(fields, known_models=set())
+#     return get_model_name_map(models)  # type: ignore[no-any-return]
+
+
+def get_definitions(
+    *,
+    fields: List[ModelField],
+    model_name_map: ModelNameMap,
+    separate_input_output_schemas: bool = True,
+) -> Tuple[
+    Dict[Tuple[ModelField, Literal["validation", "serialization"]], JsonSchemaValue],
+    Dict[str, Dict[str, Any]],
+]:
+    models = get_flat_models_from_fields(fields, known_models=set())
+    return {}, get_model_definitions(flat_models=models, model_name_map=model_name_map)
+
+
+def is_scalar_field(field: ModelField) -> bool:
+    return is_pv1_scalar_field(field)
+
+
+def is_sequence_field(field: ModelField) -> bool:
+    return field.shape in sequence_shapes or shared._annotation_is_sequence(field.type_)
+
+
+def is_scalar_sequence_field(field: ModelField) -> bool:
+    return is_pv1_scalar_sequence_field(field)
+
+
+def is_bytes_field(field: ModelField) -> bool:
+    return lenient_issubclass(field.type_, bytes)  # type: ignore[no-any-return]
+
+
+def is_bytes_sequence_field(field: ModelField) -> bool:
+    return field.shape in sequence_shapes and lenient_issubclass(field.type_, bytes)
+
+
+def copy_field_info(*, field_info: FieldInfo, annotation: Any) -> FieldInfo:
+    return copy(field_info)
+
+
+def serialize_sequence_value(*, field: ModelField, value: Any) -> Sequence[Any]:
+    return sequence_shape_to_type[field.shape](value)  # type: ignore[no-any-return]
+
+
+def get_missing_field_error(loc: Tuple[str, ...]) -> Dict[str, Any]:
+    missing_field_error = ErrorWrapper(MissingError(), loc=loc)
+    new_error = ValidationError([missing_field_error], RequestErrorModel)
+    return new_error.errors()[0]  # type: ignore[return-value]
+
+
+def create_body_model(
+    *, fields: Sequence[ModelField], model_name: str
+) -> Type[BaseModel]:
+    BodyModel = create_model(model_name)
+    for f in fields:
+        BodyModel.__fields__[f.name] = f  # type: ignore[index]
+    return BodyModel
+
+
+def get_model_fields(model: Type[BaseModel]) -> List[ModelField]:
+    return list(model.__fields__.values())  # type: ignore[attr-defined]

backend_service/venv/lib/python3.13/site-packages/fastapi/_compat/v2.py

@@ -0,0 +1,479 @@
+import re
+import warnings
+from copy import copy, deepcopy
+from dataclasses import dataclass
+from enum import Enum
+from typing import (
+    Any,
+    Dict,
+    List,
+    Sequence,
+    Set,
+    Tuple,
+    Type,
+    Union,
+    cast,
+)
+
+from fastapi._compat import may_v1, shared
+from fastapi.openapi.constants import REF_TEMPLATE
+from fastapi.types import IncEx, ModelNameMap
+from pydantic import BaseModel, TypeAdapter, create_model
+from pydantic import PydanticSchemaGenerationError as PydanticSchemaGenerationError
+from pydantic import PydanticUndefinedAnnotation as PydanticUndefinedAnnotation
+from pydantic import ValidationError as ValidationError
+from pydantic._internal._schema_generation_shared import (  # type: ignore[attr-defined]
+    GetJsonSchemaHandler as GetJsonSchemaHandler,
+)
+from pydantic._internal._typing_extra import eval_type_lenient
+from pydantic._internal._utils import lenient_issubclass as lenient_issubclass
+from pydantic.fields import FieldInfo as FieldInfo
+from pydantic.json_schema import GenerateJsonSchema as GenerateJsonSchema
+from pydantic.json_schema import JsonSchemaValue as JsonSchemaValue
+from pydantic_core import CoreSchema as CoreSchema
+from pydantic_core import PydanticUndefined, PydanticUndefinedType
+from pydantic_core import Url as Url
+from typing_extensions import Annotated, Literal, get_args, get_origin
+
+try:
+    from pydantic_core.core_schema import (
+        with_info_plain_validator_function as with_info_plain_validator_function,
+    )
+except ImportError:  # pragma: no cover
+    from pydantic_core.core_schema import (
+        general_plain_validator_function as with_info_plain_validator_function,  # noqa: F401
+    )
+
+RequiredParam = PydanticUndefined
+Undefined = PydanticUndefined
+UndefinedType = PydanticUndefinedType
+evaluate_forwardref = eval_type_lenient
+Validator = Any
+
+
+class BaseConfig:
+    pass
+
+
+class ErrorWrapper(Exception):
+    pass
+
+
+@dataclass
+class ModelField:
+    field_info: FieldInfo
+    name: str
+    mode: Literal["validation", "serialization"] = "validation"
+
+    @property
+    def alias(self) -> str:
+        a = self.field_info.alias
+        return a if a is not None else self.name
+
+    @property
+    def required(self) -> bool:
+        return self.field_info.is_required()
+
+    @property
+    def default(self) -> Any:
+        return self.get_default()
+
+    @property
+    def type_(self) -> Any:
+        return self.field_info.annotation
+
+    def __post_init__(self) -> None:
+        with warnings.catch_warnings():
+            # Pydantic >= 2.12.0 warns about field specific metadata that is unused
+            # (e.g. `TypeAdapter(Annotated[int, Field(alias='b')])`). In some cases, we
+            # end up building the type adapter from a model field annotation so we
+            # need to ignore the warning:
+            if shared.PYDANTIC_VERSION_MINOR_TUPLE >= (2, 12):
+                from pydantic.warnings import UnsupportedFieldAttributeWarning
+
+                warnings.simplefilter(
+                    "ignore", category=UnsupportedFieldAttributeWarning
+                )
+            self._type_adapter: TypeAdapter[Any] = TypeAdapter(
+                Annotated[self.field_info.annotation, self.field_info]
+            )
+
+    def get_default(self) -> Any:
+        if self.field_info.is_required():
+            return Undefined
+        return self.field_info.get_default(call_default_factory=True)
+
+    def validate(
+        self,
+        value: Any,
+        values: Dict[str, Any] = {},  # noqa: B006
+        *,
+        loc: Tuple[Union[int, str], ...] = (),
+    ) -> Tuple[Any, Union[List[Dict[str, Any]], None]]:
+        try:
+            return (
+                self._type_adapter.validate_python(value, from_attributes=True),
+                None,
+            )
+        except ValidationError as exc:
+            return None, may_v1._regenerate_error_with_loc(
+                errors=exc.errors(include_url=False), loc_prefix=loc
+            )
+
+    def serialize(
+        self,
+        value: Any,
+        *,
+        mode: Literal["json", "python"] = "json",
+        include: Union[IncEx, None] = None,
+        exclude: Union[IncEx, None] = None,
+        by_alias: bool = True,
+        exclude_unset: bool = False,
+        exclude_defaults: bool = False,
+        exclude_none: bool = False,
+    ) -> Any:
+        # What calls this code passes a value that already called
+        # self._type_adapter.validate_python(value)
+        return self._type_adapter.dump_python(
+            value,
+            mode=mode,
+            include=include,
+            exclude=exclude,
+            by_alias=by_alias,
+            exclude_unset=exclude_unset,
+            exclude_defaults=exclude_defaults,
+            exclude_none=exclude_none,
+        )
+
+    def __hash__(self) -> int:
+        # Each ModelField is unique for our purposes, to allow making a dict from
+        # ModelField to its JSON Schema.
+        return id(self)
+
+
+def get_annotation_from_field_info(
+    annotation: Any, field_info: FieldInfo, field_name: str
+) -> Any:
+    return annotation
+
+
+def _model_rebuild(model: Type[BaseModel]) -> None:
+    model.model_rebuild()
+
+
+def _model_dump(
+    model: BaseModel, mode: Literal["json", "python"] = "json", **kwargs: Any
+) -> Any:
+    return model.model_dump(mode=mode, **kwargs)
+
+
+def _get_model_config(model: BaseModel) -> Any:
+    return model.model_config
+
+
+def get_schema_from_model_field(
+    *,
+    field: ModelField,
+    model_name_map: ModelNameMap,
+    field_mapping: Dict[
+        Tuple[ModelField, Literal["validation", "serialization"]], JsonSchemaValue
+    ],
+    separate_input_output_schemas: bool = True,
+) -> Dict[str, Any]:
+    override_mode: Union[Literal["validation"], None] = (
+        None if separate_input_output_schemas else "validation"
+    )
+    # This expects that GenerateJsonSchema was already used to generate the definitions
+    json_schema = field_mapping[(field, override_mode or field.mode)]
+    if "$ref" not in json_schema:
+        # TODO remove when deprecating Pydantic v1
+        # Ref: https://github.com/pydantic/pydantic/blob/d61792cc42c80b13b23e3ffa74bc37ec7c77f7d1/pydantic/schema.py#L207
+        json_schema["title"] = field.field_info.title or field.alias.title().replace(
+            "_", " "
+        )
+    return json_schema
+
+
+def get_definitions(
+    *,
+    fields: Sequence[ModelField],
+    model_name_map: ModelNameMap,
+    separate_input_output_schemas: bool = True,
+) -> Tuple[
+    Dict[Tuple[ModelField, Literal["validation", "serialization"]], JsonSchemaValue],
+    Dict[str, Dict[str, Any]],
+]:
+    schema_generator = GenerateJsonSchema(ref_template=REF_TEMPLATE)
+    override_mode: Union[Literal["validation"], None] = (
+        None if separate_input_output_schemas else "validation"
+    )
+    validation_fields = [field for field in fields if field.mode == "validation"]
+    serialization_fields = [field for field in fields if field.mode == "serialization"]
+    flat_validation_models = get_flat_models_from_fields(
+        validation_fields, known_models=set()
+    )
+    flat_serialization_models = get_flat_models_from_fields(
+        serialization_fields, known_models=set()
+    )
+    flat_validation_model_fields = [
+        ModelField(
+            field_info=FieldInfo(annotation=model),
+            name=model.__name__,
+            mode="validation",
+        )
+        for model in flat_validation_models
+    ]
+    flat_serialization_model_fields = [
+        ModelField(
+            field_info=FieldInfo(annotation=model),
+            name=model.__name__,
+            mode="serialization",
+        )
+        for model in flat_serialization_models
+    ]
+    flat_model_fields = flat_validation_model_fields + flat_serialization_model_fields
+    input_types = {f.type_ for f in fields}
+    unique_flat_model_fields = {
+        f for f in flat_model_fields if f.type_ not in input_types
+    }
+
+    inputs = [
+        (field, override_mode or field.mode, field._type_adapter.core_schema)
+        for field in list(fields) + list(unique_flat_model_fields)
+    ]
+    field_mapping, definitions = schema_generator.generate_definitions(inputs=inputs)
+    for item_def in cast(Dict[str, Dict[str, Any]], definitions).values():
+        if "description" in item_def:
+            item_description = cast(str, item_def["description"]).split("\f")[0]
+            item_def["description"] = item_description
+    new_mapping, new_definitions = _remap_definitions_and_field_mappings(
+        model_name_map=model_name_map,
+        definitions=definitions,  # type: ignore[arg-type]
+        field_mapping=field_mapping,
+    )
+    return new_mapping, new_definitions
+
+
+def _replace_refs(
+    *,
+    schema: Dict[str, Any],
+    old_name_to_new_name_map: Dict[str, str],
+) -> Dict[str, Any]:
+    new_schema = deepcopy(schema)
+    for key, value in new_schema.items():
+        if key == "$ref":
+            value = schema["$ref"]
+            if isinstance(value, str):
+                ref_name = schema["$ref"].split("/")[-1]
+                if ref_name in old_name_to_new_name_map:
+                    new_name = old_name_to_new_name_map[ref_name]
+                    new_schema["$ref"] = REF_TEMPLATE.format(model=new_name)
+            continue
+        if isinstance(value, dict):
+            new_schema[key] = _replace_refs(
+                schema=value,
+                old_name_to_new_name_map=old_name_to_new_name_map,
+            )
+        elif isinstance(value, list):
+            new_value = []
+            for item in value:
+                if isinstance(item, dict):
+                    new_item = _replace_refs(
+                        schema=item,
+                        old_name_to_new_name_map=old_name_to_new_name_map,
+                    )
+                    new_value.append(new_item)
+
+                else:
+                    new_value.append(item)
+            new_schema[key] = new_value
+    return new_schema
+
+
+def _remap_definitions_and_field_mappings(
+    *,
+    model_name_map: ModelNameMap,
+    definitions: Dict[str, Any],
+    field_mapping: Dict[
+        Tuple[ModelField, Literal["validation", "serialization"]], JsonSchemaValue
+    ],
+) -> Tuple[
+    Dict[Tuple[ModelField, Literal["validation", "serialization"]], JsonSchemaValue],
+    Dict[str, Any],
+]:
+    old_name_to_new_name_map = {}
+    for field_key, schema in field_mapping.items():
+        model = field_key[0].type_
+        if model not in model_name_map:
+            continue
+        new_name = model_name_map[model]
+        old_name = schema["$ref"].split("/")[-1]
+        if old_name in {f"{new_name}-Input", f"{new_name}-Output"}:
+            continue
+        old_name_to_new_name_map[old_name] = new_name
+
+    new_field_mapping: Dict[
+        Tuple[ModelField, Literal["validation", "serialization"]], JsonSchemaValue
+    ] = {}
+    for field_key, schema in field_mapping.items():
+        new_schema = _replace_refs(
+            schema=schema,
+            old_name_to_new_name_map=old_name_to_new_name_map,
+        )
+        new_field_mapping[field_key] = new_schema
+
+    new_definitions = {}
+    for key, value in definitions.items():
+        if key in old_name_to_new_name_map:
+            new_key = old_name_to_new_name_map[key]
+        else:
+            new_key = key
+        new_value = _replace_refs(
+            schema=value,
+            old_name_to_new_name_map=old_name_to_new_name_map,
+        )
+        new_definitions[new_key] = new_value
+    return new_field_mapping, new_definitions
+
+
+def is_scalar_field(field: ModelField) -> bool:
+    from fastapi import params
+
+    return shared.field_annotation_is_scalar(
+        field.field_info.annotation
+    ) and not isinstance(field.field_info, params.Body)
+
+
+def is_sequence_field(field: ModelField) -> bool:
+    return shared.field_annotation_is_sequence(field.field_info.annotation)
+
+
+def is_scalar_sequence_field(field: ModelField) -> bool:
+    return shared.field_annotation_is_scalar_sequence(field.field_info.annotation)
+
+
+def is_bytes_field(field: ModelField) -> bool:
+    return shared.is_bytes_or_nonable_bytes_annotation(field.type_)
+
+
+def is_bytes_sequence_field(field: ModelField) -> bool:
+    return shared.is_bytes_sequence_annotation(field.type_)
+
+
+def copy_field_info(*, field_info: FieldInfo, annotation: Any) -> FieldInfo:
+    cls = type(field_info)
+    merged_field_info = cls.from_annotation(annotation)
+    new_field_info = copy(field_info)
+    new_field_info.metadata = merged_field_info.metadata
+    new_field_info.annotation = merged_field_info.annotation
+    return new_field_info
+
+
+def serialize_sequence_value(*, field: ModelField, value: Any) -> Sequence[Any]:
+    origin_type = get_origin(field.field_info.annotation) or field.field_info.annotation
+    assert issubclass(origin_type, shared.sequence_types)  # type: ignore[arg-type]
+    return shared.sequence_annotation_to_type[origin_type](value)  # type: ignore[no-any-return]
+
+
+def get_missing_field_error(loc: Tuple[str, ...]) -> Dict[str, Any]:
+    error = ValidationError.from_exception_data(
+        "Field required", [{"type": "missing", "loc": loc, "input": {}}]
+    ).errors(include_url=False)[0]
+    error["input"] = None
+    return error  # type: ignore[return-value]
+
+
+def create_body_model(
+    *, fields: Sequence[ModelField], model_name: str
+) -> Type[BaseModel]:
+    field_params = {f.name: (f.field_info.annotation, f.field_info) for f in fields}
+    BodyModel: Type[BaseModel] = create_model(model_name, **field_params)  # type: ignore[call-overload]
+    return BodyModel
+
+
+def get_model_fields(model: Type[BaseModel]) -> List[ModelField]:
+    return [
+        ModelField(field_info=field_info, name=name)
+        for name, field_info in model.model_fields.items()
+    ]
+
+
+# Duplicate of several schema functions from Pydantic v1 to make them compatible with
+# Pydantic v2 and allow mixing the models
+
+TypeModelOrEnum = Union[Type["BaseModel"], Type[Enum]]
+TypeModelSet = Set[TypeModelOrEnum]
+
+
+def normalize_name(name: str) -> str:
+    return re.sub(r"[^a-zA-Z0-9.\-_]", "_", name)
+
+
+def get_model_name_map(unique_models: TypeModelSet) -> Dict[TypeModelOrEnum, str]:
+    name_model_map = {}
+    conflicting_names: Set[str] = set()
+    for model in unique_models:
+        model_name = normalize_name(model.__name__)
+        if model_name in conflicting_names:
+            model_name = get_long_model_name(model)
+            name_model_map[model_name] = model
+        elif model_name in name_model_map:
+            conflicting_names.add(model_name)
+            conflicting_model = name_model_map.pop(model_name)
+            name_model_map[get_long_model_name(conflicting_model)] = conflicting_model
+            name_model_map[get_long_model_name(model)] = model
+        else:
+            name_model_map[model_name] = model
+    return {v: k for k, v in name_model_map.items()}
+
+
+def get_flat_models_from_model(
+    model: Type["BaseModel"], known_models: Union[TypeModelSet, None] = None
+) -> TypeModelSet:
+    known_models = known_models or set()
+    fields = get_model_fields(model)
+    get_flat_models_from_fields(fields, known_models=known_models)
+    return known_models
+
+
+def get_flat_models_from_annotation(
+    annotation: Any, known_models: TypeModelSet
+) -> TypeModelSet:
+    origin = get_origin(annotation)
+    if origin is not None:
+        for arg in get_args(annotation):
+            if lenient_issubclass(arg, (BaseModel, Enum)) and arg not in known_models:
+                known_models.add(arg)
+                if lenient_issubclass(arg, BaseModel):
+                    get_flat_models_from_model(arg, known_models=known_models)
+            else:
+                get_flat_models_from_annotation(arg, known_models=known_models)
+    return known_models
+
+
+def get_flat_models_from_field(
+    field: ModelField, known_models: TypeModelSet
+) -> TypeModelSet:
+    field_type = field.type_
+    if lenient_issubclass(field_type, BaseModel):
+        if field_type in known_models:
+            return known_models
+        known_models.add(field_type)
+        get_flat_models_from_model(field_type, known_models=known_models)
+    elif lenient_issubclass(field_type, Enum):
+        known_models.add(field_type)
+    else:
+        get_flat_models_from_annotation(field_type, known_models=known_models)
+    return known_models
+
+
+def get_flat_models_from_fields(
+    fields: Sequence[ModelField], known_models: TypeModelSet
+) -> TypeModelSet:
+    for field in fields:
+        get_flat_models_from_field(field, known_models=known_models)
+    return known_models
+
+
+def get_long_model_name(model: TypeModelOrEnum) -> str:
+    return f"{model.__module__}__{model.__qualname__}".replace(".", "__")

backend_service/venv/lib/python3.13/site-packages/fastapi/background.py

@@ -0,0 +1,60 @@
+from typing import Any, Callable
+
+from annotated_doc import Doc
+from starlette.background import BackgroundTasks as StarletteBackgroundTasks
+from typing_extensions import Annotated, ParamSpec
+
+P = ParamSpec("P")
+
+
+class BackgroundTasks(StarletteBackgroundTasks):
+    """
+    A collection of background tasks that will be called after a response has been
+    sent to the client.
+
+    Read more about it in the
+    [FastAPI docs for Background Tasks](https://fastapi.tiangolo.com/tutorial/background-tasks/).
+
+    ## Example
+
+    ```python
+    from fastapi import BackgroundTasks, FastAPI
+
+    app = FastAPI()
+
+
+    def write_notification(email: str, message=""):
+        with open("log.txt", mode="w") as email_file:
+            content = f"notification for {email}: {message}"
+            email_file.write(content)
+
+
+    @app.post("/send-notification/{email}")
+    async def send_notification(email: str, background_tasks: BackgroundTasks):
+        background_tasks.add_task(write_notification, email, message="some notification")
+        return {"message": "Notification sent in the background"}
+    ```
+    """
+
+    def add_task(
+        self,
+        func: Annotated[
+            Callable[P, Any],
+            Doc(
+                """
+                The function to call after the response is sent.
+
+                It can be a regular `def` function or an `async def` function.
+                """
+            ),
+        ],
+        *args: P.args,
+        **kwargs: P.kwargs,
+    ) -> None:
+        """
+        Add a function to be called in the background after the response is sent.
+
+        Read more about it in the
+        [FastAPI docs for Background Tasks](https://fastapi.tiangolo.com/tutorial/background-tasks/).
+        """
+        return super().add_task(func, *args, **kwargs)

backend_service/venv/lib/python3.13/site-packages/fastapi/cli.py

@@ -0,0 +1,13 @@
+try:
+    from fastapi_cli.cli import main as cli_main
+
+except ImportError:  # pragma: no cover
+    cli_main = None  # type: ignore
+
+
+def main() -> None:
+    if not cli_main:  # type: ignore[truthy-function]
+        message = 'To use the fastapi command, please install "fastapi[standard]":\n\n\tpip install "fastapi[standard]"\n'
+        print(message)
+        raise RuntimeError(message)  # noqa: B904
+    cli_main()

backend_service/venv/lib/python3.13/site-packages/fastapi/concurrency.py

@@ -0,0 +1,39 @@
+from contextlib import asynccontextmanager as asynccontextmanager
+from typing import AsyncGenerator, ContextManager, TypeVar
+
+import anyio.to_thread
+from anyio import CapacityLimiter
+from starlette.concurrency import iterate_in_threadpool as iterate_in_threadpool  # noqa
+from starlette.concurrency import run_in_threadpool as run_in_threadpool  # noqa
+from starlette.concurrency import (  # noqa
+    run_until_first_complete as run_until_first_complete,
+)
+
+_T = TypeVar("_T")
+
+
+@asynccontextmanager
+async def contextmanager_in_threadpool(
+    cm: ContextManager[_T],
+) -> AsyncGenerator[_T, None]:
+    # blocking __exit__ from running waiting on a free thread
+    # can create race conditions/deadlocks if the context manager itself
+    # has its own internal pool (e.g. a database connection pool)
+    # to avoid this we let __exit__ run without a capacity limit
+    # since we're creating a new limiter for each call, any non-zero limit
+    # works (1 is arbitrary)
+    exit_limiter = CapacityLimiter(1)
+    try:
+        yield await run_in_threadpool(cm.__enter__)
+    except Exception as e:
+        ok = bool(
+            await anyio.to_thread.run_sync(
+                cm.__exit__, type(e), e, e.__traceback__, limiter=exit_limiter
+            )
+        )
+        if not ok:
+            raise e
+    else:
+        await anyio.to_thread.run_sync(
+            cm.__exit__, None, None, None, limiter=exit_limiter
+        )

backend_service/venv/lib/python3.13/site-packages/fastapi/datastructures.py

@@ -0,0 +1,204 @@
+from typing import (
+    Any,
+    BinaryIO,
+    Callable,
+    Dict,
+    Iterable,
+    Optional,
+    Type,
+    TypeVar,
+    cast,
+)
+
+from annotated_doc import Doc
+from fastapi._compat import (
+    CoreSchema,
+    GetJsonSchemaHandler,
+    JsonSchemaValue,
+)
+from starlette.datastructures import URL as URL  # noqa: F401
+from starlette.datastructures import Address as Address  # noqa: F401
+from starlette.datastructures import FormData as FormData  # noqa: F401
+from starlette.datastructures import Headers as Headers  # noqa: F401
+from starlette.datastructures import QueryParams as QueryParams  # noqa: F401
+from starlette.datastructures import State as State  # noqa: F401
+from starlette.datastructures import UploadFile as StarletteUploadFile
+from typing_extensions import Annotated
+
+
+class UploadFile(StarletteUploadFile):
+    """
+    A file uploaded in a request.
+
+    Define it as a *path operation function* (or dependency) parameter.
+
+    If you are using a regular `def` function, you can use the `upload_file.file`
+    attribute to access the raw standard Python file (blocking, not async), useful and
+    needed for non-async code.
+
+    Read more about it in the
+    [FastAPI docs for Request Files](https://fastapi.tiangolo.com/tutorial/request-files/).
+
+    ## Example
+
+    ```python
+    from typing import Annotated
+
+    from fastapi import FastAPI, File, UploadFile
+
+    app = FastAPI()
+
+
+    @app.post("/files/")
+    async def create_file(file: Annotated[bytes, File()]):
+        return {"file_size": len(file)}
+
+
+    @app.post("/uploadfile/")
+    async def create_upload_file(file: UploadFile):
+        return {"filename": file.filename}
+    ```
+    """
+
+    file: Annotated[
+        BinaryIO,
+        Doc("The standard Python file object (non-async)."),
+    ]
+    filename: Annotated[Optional[str], Doc("The original file name.")]
+    size: Annotated[Optional[int], Doc("The size of the file in bytes.")]
+    headers: Annotated[Headers, Doc("The headers of the request.")]
+    content_type: Annotated[
+        Optional[str], Doc("The content type of the request, from the headers.")
+    ]
+
+    async def write(
+        self,
+        data: Annotated[
+            bytes,
+            Doc(
+                """
+                The bytes to write to the file.
+                """
+            ),
+        ],
+    ) -> None:
+        """
+        Write some bytes to the file.
+
+        You normally wouldn't use this from a file you read in a request.
+
+        To be awaitable, compatible with async, this is run in threadpool.
+        """
+        return await super().write(data)
+
+    async def read(
+        self,
+        size: Annotated[
+            int,
+            Doc(
+                """
+                The number of bytes to read from the file.
+                """
+            ),
+        ] = -1,
+    ) -> bytes:
+        """
+        Read some bytes from the file.
+
+        To be awaitable, compatible with async, this is run in threadpool.
+        """
+        return await super().read(size)
+
+    async def seek(
+        self,
+        offset: Annotated[
+            int,
+            Doc(
+                """
+                The position in bytes to seek to in the file.
+                """
+            ),
+        ],
+    ) -> None:
+        """
+        Move to a position in the file.
+
+        Any next read or write will be done from that position.
+
+        To be awaitable, compatible with async, this is run in threadpool.
+        """
+        return await super().seek(offset)
+
+    async def close(self) -> None:
+        """
+        Close the file.
+
+        To be awaitable, compatible with async, this is run in threadpool.
+        """
+        return await super().close()
+
+    @classmethod
+    def __get_validators__(cls: Type["UploadFile"]) -> Iterable[Callable[..., Any]]:
+        yield cls.validate
+
+    @classmethod
+    def validate(cls: Type["UploadFile"], v: Any) -> Any:
+        if not isinstance(v, StarletteUploadFile):
+            raise ValueError(f"Expected UploadFile, received: {type(v)}")
+        return v
+
+    @classmethod
+    def _validate(cls, __input_value: Any, _: Any) -> "UploadFile":
+        if not isinstance(__input_value, StarletteUploadFile):
+            raise ValueError(f"Expected UploadFile, received: {type(__input_value)}")
+        return cast(UploadFile, __input_value)
+
+    # TODO: remove when deprecating Pydantic v1
+    @classmethod
+    def __modify_schema__(cls, field_schema: Dict[str, Any]) -> None:
+        field_schema.update({"type": "string", "format": "binary"})
+
+    @classmethod
+    def __get_pydantic_json_schema__(
+        cls, core_schema: CoreSchema, handler: GetJsonSchemaHandler
+    ) -> JsonSchemaValue:
+        return {"type": "string", "format": "binary"}
+
+    @classmethod
+    def __get_pydantic_core_schema__(
+        cls, source: Type[Any], handler: Callable[[Any], CoreSchema]
+    ) -> CoreSchema:
+        from ._compat.v2 import with_info_plain_validator_function
+
+        return with_info_plain_validator_function(cls._validate)
+
+
+class DefaultPlaceholder:
+    """
+    You shouldn't use this class directly.
+
+    It's used internally to recognize when a default value has been overwritten, even
+    if the overridden default value was truthy.
+    """
+
+    def __init__(self, value: Any):
+        self.value = value
+
+    def __bool__(self) -> bool:
+        return bool(self.value)
+
+    def __eq__(self, o: object) -> bool:
+        return isinstance(o, DefaultPlaceholder) and o.value == self.value
+
+
+DefaultType = TypeVar("DefaultType")
+
+
+def Default(value: DefaultType) -> DefaultType:
+    """
+    You shouldn't use this function directly.
+
+    It's used internally to recognize when a default value has been overwritten, even
+    if the overridden default value was truthy.
+    """
+    return DefaultPlaceholder(value)  # type: ignore

backend_service/venv/lib/python3.13/site-packages/fastapi/dependencies/models.py

@@ -0,0 +1,83 @@
+import inspect
+import sys
+from dataclasses import dataclass, field
+from functools import cached_property
+from typing import Any, Callable, List, Optional, Sequence, Union
+
+from fastapi._compat import ModelField
+from fastapi.security.base import SecurityBase
+from fastapi.types import DependencyCacheKey
+from typing_extensions import Literal
+
+if sys.version_info >= (3, 13):  # pragma: no cover
+    from inspect import iscoroutinefunction
+else:  # pragma: no cover
+    from asyncio import iscoroutinefunction
+
+
+@dataclass
+class SecurityRequirement:
+    security_scheme: SecurityBase
+    scopes: Optional[Sequence[str]] = None
+
+
+@dataclass
+class Dependant:
+    path_params: List[ModelField] = field(default_factory=list)
+    query_params: List[ModelField] = field(default_factory=list)
+    header_params: List[ModelField] = field(default_factory=list)
+    cookie_params: List[ModelField] = field(default_factory=list)
+    body_params: List[ModelField] = field(default_factory=list)
+    dependencies: List["Dependant"] = field(default_factory=list)
+    security_requirements: List[SecurityRequirement] = field(default_factory=list)
+    name: Optional[str] = None
+    call: Optional[Callable[..., Any]] = None
+    request_param_name: Optional[str] = None
+    websocket_param_name: Optional[str] = None
+    http_connection_param_name: Optional[str] = None
+    response_param_name: Optional[str] = None
+    background_tasks_param_name: Optional[str] = None
+    security_scopes_param_name: Optional[str] = None
+    security_scopes: Optional[List[str]] = None
+    use_cache: bool = True
+    path: Optional[str] = None
+    scope: Union[Literal["function", "request"], None] = None
+
+    @cached_property
+    def cache_key(self) -> DependencyCacheKey:
+        return (
+            self.call,
+            tuple(sorted(set(self.security_scopes or []))),
+            self.computed_scope or "",
+        )
+
+    @cached_property
+    def is_gen_callable(self) -> bool:
+        if inspect.isgeneratorfunction(self.call):
+            return True
+        dunder_call = getattr(self.call, "__call__", None)  # noqa: B004
+        return inspect.isgeneratorfunction(dunder_call)
+
+    @cached_property
+    def is_async_gen_callable(self) -> bool:
+        if inspect.isasyncgenfunction(self.call):
+            return True
+        dunder_call = getattr(self.call, "__call__", None)  # noqa: B004
+        return inspect.isasyncgenfunction(dunder_call)
+
+    @cached_property
+    def is_coroutine_callable(self) -> bool:
+        if inspect.isroutine(self.call):
+            return iscoroutinefunction(self.call)
+        if inspect.isclass(self.call):
+            return False
+        dunder_call = getattr(self.call, "__call__", None)  # noqa: B004
+        return iscoroutinefunction(dunder_call)
+
+    @cached_property
+    def computed_scope(self) -> Union[str, None]:
+        if self.scope:
+            return self.scope
+        if self.is_gen_callable or self.is_async_gen_callable:
+            return "request"
+        return None

backend_service/venv/lib/python3.13/site-packages/fastapi/encoders.py

@@ -0,0 +1,352 @@
+import dataclasses
+import datetime
+from collections import defaultdict, deque
+from decimal import Decimal
+from enum import Enum
+from ipaddress import (
+    IPv4Address,
+    IPv4Interface,
+    IPv4Network,
+    IPv6Address,
+    IPv6Interface,
+    IPv6Network,
+)
+from pathlib import Path, PurePath
+from re import Pattern
+from types import GeneratorType
+from typing import Any, Callable, Dict, List, Optional, Tuple, Type, Union
+from uuid import UUID
+
+from annotated_doc import Doc
+from fastapi._compat import may_v1
+from fastapi.types import IncEx
+from pydantic import BaseModel
+from pydantic.color import Color
+from pydantic.networks import AnyUrl, NameEmail
+from pydantic.types import SecretBytes, SecretStr
+from typing_extensions import Annotated
+
+from ._compat import Url, _is_undefined, _model_dump
+
+
+# Taken from Pydantic v1 as is
+def isoformat(o: Union[datetime.date, datetime.time]) -> str:
+    return o.isoformat()
+
+
+# Taken from Pydantic v1 as is
+# TODO: pv2 should this return strings instead?
+def decimal_encoder(dec_value: Decimal) -> Union[int, float]:
+    """
+    Encodes a Decimal as int of there's no exponent, otherwise float
+
+    This is useful when we use ConstrainedDecimal to represent Numeric(x,0)
+    where a integer (but not int typed) is used. Encoding this as a float
+    results in failed round-tripping between encode and parse.
+    Our Id type is a prime example of this.
+
+    >>> decimal_encoder(Decimal("1.0"))
+    1.0
+
+    >>> decimal_encoder(Decimal("1"))
+    1
+    """
+    if dec_value.as_tuple().exponent >= 0:  # type: ignore[operator]
+        return int(dec_value)
+    else:
+        return float(dec_value)
+
+
+ENCODERS_BY_TYPE: Dict[Type[Any], Callable[[Any], Any]] = {
+    bytes: lambda o: o.decode(),
+    Color: str,
+    may_v1.Color: str,
+    datetime.date: isoformat,
+    datetime.datetime: isoformat,
+    datetime.time: isoformat,
+    datetime.timedelta: lambda td: td.total_seconds(),
+    Decimal: decimal_encoder,
+    Enum: lambda o: o.value,
+    frozenset: list,
+    deque: list,
+    GeneratorType: list,
+    IPv4Address: str,
+    IPv4Interface: str,
+    IPv4Network: str,
+    IPv6Address: str,
+    IPv6Interface: str,
+    IPv6Network: str,
+    NameEmail: str,
+    may_v1.NameEmail: str,
+    Path: str,
+    Pattern: lambda o: o.pattern,
+    SecretBytes: str,
+    may_v1.SecretBytes: str,
+    SecretStr: str,
+    may_v1.SecretStr: str,
+    set: list,
+    UUID: str,
+    Url: str,
+    may_v1.Url: str,
+    AnyUrl: str,
+    may_v1.AnyUrl: str,
+}
+
+
+def generate_encoders_by_class_tuples(
+    type_encoder_map: Dict[Any, Callable[[Any], Any]],
+) -> Dict[Callable[[Any], Any], Tuple[Any, ...]]:
+    encoders_by_class_tuples: Dict[Callable[[Any], Any], Tuple[Any, ...]] = defaultdict(
+        tuple
+    )
+    for type_, encoder in type_encoder_map.items():
+        encoders_by_class_tuples[encoder] += (type_,)
+    return encoders_by_class_tuples
+
+
+encoders_by_class_tuples = generate_encoders_by_class_tuples(ENCODERS_BY_TYPE)
+
+
+def jsonable_encoder(
+    obj: Annotated[
+        Any,
+        Doc(
+            """
+            The input object to convert to JSON.
+            """
+        ),
+    ],
+    include: Annotated[
+        Optional[IncEx],
+        Doc(
+            """
+            Pydantic's `include` parameter, passed to Pydantic models to set the
+            fields to include.
+            """
+        ),
+    ] = None,
+    exclude: Annotated[
+        Optional[IncEx],
+        Doc(
+            """
+            Pydantic's `exclude` parameter, passed to Pydantic models to set the
+            fields to exclude.
+            """
+        ),
+    ] = None,
+    by_alias: Annotated[
+        bool,
+        Doc(
+            """
+            Pydantic's `by_alias` parameter, passed to Pydantic models to define if
+            the output should use the alias names (when provided) or the Python
+            attribute names. In an API, if you set an alias, it's probably because you
+            want to use it in the result, so you probably want to leave this set to
+            `True`.
+            """
+        ),
+    ] = True,
+    exclude_unset: Annotated[
+        bool,
+        Doc(
+            """
+            Pydantic's `exclude_unset` parameter, passed to Pydantic models to define
+            if it should exclude from the output the fields that were not explicitly
+            set (and that only had their default values).
+            """
+        ),
+    ] = False,
+    exclude_defaults: Annotated[
+        bool,
+        Doc(
+            """
+            Pydantic's `exclude_defaults` parameter, passed to Pydantic models to define
+            if it should exclude from the output the fields that had the same default
+            value, even when they were explicitly set.
+            """
+        ),
+    ] = False,
+    exclude_none: Annotated[
+        bool,
+        Doc(
+            """
+            Pydantic's `exclude_none` parameter, passed to Pydantic models to define
+            if it should exclude from the output any fields that have a `None` value.
+            """
+        ),
+    ] = False,
+    custom_encoder: Annotated[
+        Optional[Dict[Any, Callable[[Any], Any]]],
+        Doc(
+            """
+            Pydantic's `custom_encoder` parameter, passed to Pydantic models to define
+            a custom encoder.
+            """
+        ),
+    ] = None,
+    sqlalchemy_safe: Annotated[
+        bool,
+        Doc(
+            """
+            Exclude from the output any fields that start with the name `_sa`.
+
+            This is mainly a hack for compatibility with SQLAlchemy objects, they
+            store internal SQLAlchemy-specific state in attributes named with `_sa`,
+            and those objects can't (and shouldn't be) serialized to JSON.
+            """
+        ),
+    ] = True,
+) -> Any:
+    """
+    Convert any object to something that can be encoded in JSON.
+
+    This is used internally by FastAPI to make sure anything you return can be
+    encoded as JSON before it is sent to the client.
+
+    You can also use it yourself, for example to convert objects before saving them
+    in a database that supports only JSON.
+
+    Read more about it in the
+    [FastAPI docs for JSON Compatible Encoder](https://fastapi.tiangolo.com/tutorial/encoder/).
+    """
+    custom_encoder = custom_encoder or {}
+    if custom_encoder:
+        if type(obj) in custom_encoder:
+            return custom_encoder[type(obj)](obj)
+        else:
+            for encoder_type, encoder_instance in custom_encoder.items():
+                if isinstance(obj, encoder_type):
+                    return encoder_instance(obj)
+    if include is not None and not isinstance(include, (set, dict)):
+        include = set(include)
+    if exclude is not None and not isinstance(exclude, (set, dict)):
+        exclude = set(exclude)
+    if isinstance(obj, (BaseModel, may_v1.BaseModel)):
+        # TODO: remove when deprecating Pydantic v1
+        encoders: Dict[Any, Any] = {}
+        if isinstance(obj, may_v1.BaseModel):
+            encoders = getattr(obj.__config__, "json_encoders", {})  # type: ignore[attr-defined]
+            if custom_encoder:
+                encoders = {**encoders, **custom_encoder}
+        obj_dict = _model_dump(
+            obj,
+            mode="json",
+            include=include,
+            exclude=exclude,
+            by_alias=by_alias,
+            exclude_unset=exclude_unset,
+            exclude_none=exclude_none,
+            exclude_defaults=exclude_defaults,
+        )
+        if "__root__" in obj_dict:
+            obj_dict = obj_dict["__root__"]
+        return jsonable_encoder(
+            obj_dict,
+            exclude_none=exclude_none,
+            exclude_defaults=exclude_defaults,
+            # TODO: remove when deprecating Pydantic v1
+            custom_encoder=encoders,
+            sqlalchemy_safe=sqlalchemy_safe,
+        )
+    if dataclasses.is_dataclass(obj):
+        assert not isinstance(obj, type)
+        obj_dict = dataclasses.asdict(obj)
+        return jsonable_encoder(
+            obj_dict,
+            include=include,
+            exclude=exclude,
+            by_alias=by_alias,
+            exclude_unset=exclude_unset,
+            exclude_defaults=exclude_defaults,
+            exclude_none=exclude_none,
+            custom_encoder=custom_encoder,
+            sqlalchemy_safe=sqlalchemy_safe,
+        )
+    if isinstance(obj, Enum):
+        return obj.value
+    if isinstance(obj, PurePath):
+        return str(obj)
+    if isinstance(obj, (str, int, float, type(None))):
+        return obj
+    if _is_undefined(obj):
+        return None
+    if isinstance(obj, dict):
+        encoded_dict = {}
+        allowed_keys = set(obj.keys())
+        if include is not None:
+            allowed_keys &= set(include)
+        if exclude is not None:
+            allowed_keys -= set(exclude)
+        for key, value in obj.items():
+            if (
+                (
+                    not sqlalchemy_safe
+                    or (not isinstance(key, str))
+                    or (not key.startswith("_sa"))
+                )
+                and (value is not None or not exclude_none)
+                and key in allowed_keys
+            ):
+                encoded_key = jsonable_encoder(
+                    key,
+                    by_alias=by_alias,
+                    exclude_unset=exclude_unset,
+                    exclude_none=exclude_none,
+                    custom_encoder=custom_encoder,
+                    sqlalchemy_safe=sqlalchemy_safe,
+                )
+                encoded_value = jsonable_encoder(
+                    value,
+                    by_alias=by_alias,
+                    exclude_unset=exclude_unset,
+                    exclude_none=exclude_none,
+                    custom_encoder=custom_encoder,
+                    sqlalchemy_safe=sqlalchemy_safe,
+                )
+                encoded_dict[encoded_key] = encoded_value
+        return encoded_dict
+    if isinstance(obj, (list, set, frozenset, GeneratorType, tuple, deque)):
+        encoded_list = []
+        for item in obj:
+            encoded_list.append(
+                jsonable_encoder(
+                    item,
+                    include=include,
+                    exclude=exclude,
+                    by_alias=by_alias,
+                    exclude_unset=exclude_unset,
+                    exclude_defaults=exclude_defaults,
+                    exclude_none=exclude_none,
+                    custom_encoder=custom_encoder,
+                    sqlalchemy_safe=sqlalchemy_safe,
+                )
+            )
+        return encoded_list
+
+    if type(obj) in ENCODERS_BY_TYPE:
+        return ENCODERS_BY_TYPE[type(obj)](obj)
+    for encoder, classes_tuple in encoders_by_class_tuples.items():
+        if isinstance(obj, classes_tuple):
+            return encoder(obj)
+
+    try:
+        data = dict(obj)
+    except Exception as e:
+        errors: List[Exception] = []
+        errors.append(e)
+        try:
+            data = vars(obj)
+        except Exception as e:
+            errors.append(e)
+            raise ValueError(errors) from e
+    return jsonable_encoder(
+        data,
+        include=include,
+        exclude=exclude,
+        by_alias=by_alias,
+        exclude_unset=exclude_unset,
+        exclude_defaults=exclude_defaults,
+        exclude_none=exclude_none,
+        custom_encoder=custom_encoder,
+        sqlalchemy_safe=sqlalchemy_safe,
+    )

backend_service/venv/lib/python3.13/site-packages/fastapi/exception_handlers.py

@@ -0,0 +1,34 @@
+from fastapi.encoders import jsonable_encoder
+from fastapi.exceptions import RequestValidationError, WebSocketRequestValidationError
+from fastapi.utils import is_body_allowed_for_status_code
+from fastapi.websockets import WebSocket
+from starlette.exceptions import HTTPException
+from starlette.requests import Request
+from starlette.responses import JSONResponse, Response
+from starlette.status import WS_1008_POLICY_VIOLATION
+
+
+async def http_exception_handler(request: Request, exc: HTTPException) -> Response:
+    headers = getattr(exc, "headers", None)
+    if not is_body_allowed_for_status_code(exc.status_code):
+        return Response(status_code=exc.status_code, headers=headers)
+    return JSONResponse(
+        {"detail": exc.detail}, status_code=exc.status_code, headers=headers
+    )
+
+
+async def request_validation_exception_handler(
+    request: Request, exc: RequestValidationError
+) -> JSONResponse:
+    return JSONResponse(
+        status_code=422,
+        content={"detail": jsonable_encoder(exc.errors())},
+    )
+
+
+async def websocket_request_validation_exception_handler(
+    websocket: WebSocket, exc: WebSocketRequestValidationError
+) -> None:
+    await websocket.close(
+        code=WS_1008_POLICY_VIOLATION, reason=jsonable_encoder(exc.errors())
+    )

backend_service/venv/lib/python3.13/site-packages/fastapi/exceptions.py

@@ -0,0 +1,184 @@
+from typing import Any, Dict, Optional, Sequence, Type, Union
+
+from annotated_doc import Doc
+from pydantic import BaseModel, create_model
+from starlette.exceptions import HTTPException as StarletteHTTPException
+from starlette.exceptions import WebSocketException as StarletteWebSocketException
+from typing_extensions import Annotated
+
+
+class HTTPException(StarletteHTTPException):
+    """
+    An HTTP exception you can raise in your own code to show errors to the client.
+
+    This is for client errors, invalid authentication, invalid data, etc. Not for server
+    errors in your code.
+
+    Read more about it in the
+    [FastAPI docs for Handling Errors](https://fastapi.tiangolo.com/tutorial/handling-errors/).
+
+    ## Example
+
+    ```python
+    from fastapi import FastAPI, HTTPException
+
+    app = FastAPI()
+
+    items = {"foo": "The Foo Wrestlers"}
+
+
+    @app.get("/items/{item_id}")
+    async def read_item(item_id: str):
+        if item_id not in items:
+            raise HTTPException(status_code=404, detail="Item not found")
+        return {"item": items[item_id]}
+    ```
+    """
+
+    def __init__(
+        self,
+        status_code: Annotated[
+            int,
+            Doc(
+                """
+                HTTP status code to send to the client.
+                """
+            ),
+        ],
+        detail: Annotated[
+            Any,
+            Doc(
+                """
+                Any data to be sent to the client in the `detail` key of the JSON
+                response.
+                """
+            ),
+        ] = None,
+        headers: Annotated[
+            Optional[Dict[str, str]],
+            Doc(
+                """
+                Any headers to send to the client in the response.
+                """
+            ),
+        ] = None,
+    ) -> None:
+        super().__init__(status_code=status_code, detail=detail, headers=headers)
+
+
+class WebSocketException(StarletteWebSocketException):
+    """
+    A WebSocket exception you can raise in your own code to show errors to the client.
+
+    This is for client errors, invalid authentication, invalid data, etc. Not for server
+    errors in your code.
+
+    Read more about it in the
+    [FastAPI docs for WebSockets](https://fastapi.tiangolo.com/advanced/websockets/).
+
+    ## Example
+
+    ```python
+    from typing import Annotated
+
+    from fastapi import (
+        Cookie,
+        FastAPI,
+        WebSocket,
+        WebSocketException,
+        status,
+    )
+
+    app = FastAPI()
+
+    @app.websocket("/items/{item_id}/ws")
+    async def websocket_endpoint(
+        *,
+        websocket: WebSocket,
+        session: Annotated[str | None, Cookie()] = None,
+        item_id: str,
+    ):
+        if session is None:
+            raise WebSocketException(code=status.WS_1008_POLICY_VIOLATION)
+        await websocket.accept()
+        while True:
+            data = await websocket.receive_text()
+            await websocket.send_text(f"Session cookie is: {session}")
+            await websocket.send_text(f"Message text was: {data}, for item ID: {item_id}")
+    ```
+    """
+
+    def __init__(
+        self,
+        code: Annotated[
+            int,
+            Doc(
+                """
+                A closing code from the
+                [valid codes defined in the specification](https://datatracker.ietf.org/doc/html/rfc6455#section-7.4.1).
+                """
+            ),
+        ],
+        reason: Annotated[
+            Union[str, None],
+            Doc(
+                """
+                The reason to close the WebSocket connection.
+
+                It is UTF-8-encoded data. The interpretation of the reason is up to the
+                application, it is not specified by the WebSocket specification.
+
+                It could contain text that could be human-readable or interpretable
+                by the client code, etc.
+                """
+            ),
+        ] = None,
+    ) -> None:
+        super().__init__(code=code, reason=reason)
+
+
+RequestErrorModel: Type[BaseModel] = create_model("Request")
+WebSocketErrorModel: Type[BaseModel] = create_model("WebSocket")
+
+
+class FastAPIError(RuntimeError):
+    """
+    A generic, FastAPI-specific error.
+    """
+
+
+class DependencyScopeError(FastAPIError):
+    """
+    A dependency declared that it depends on another dependency with an invalid
+    (narrower) scope.
+    """
+
+
+class ValidationException(Exception):
+    def __init__(self, errors: Sequence[Any]) -> None:
+        self._errors = errors
+
+    def errors(self) -> Sequence[Any]:
+        return self._errors
+
+
+class RequestValidationError(ValidationException):
+    def __init__(self, errors: Sequence[Any], *, body: Any = None) -> None:
+        super().__init__(errors)
+        self.body = body
+
+
+class WebSocketRequestValidationError(ValidationException):
+    pass
+
+
+class ResponseValidationError(ValidationException):
+    def __init__(self, errors: Sequence[Any], *, body: Any = None) -> None:
+        super().__init__(errors)
+        self.body = body
+
+    def __str__(self) -> str:
+        message = f"{len(self._errors)} validation errors:\n"
+        for err in self._errors:
+            message += f"  {err}\n"
+        return message

backend_service/venv/lib/python3.13/site-packages/fastapi/logger.py

@@ -0,0 +1,3 @@
+import logging
+
+logger = logging.getLogger("fastapi")

backend_service/venv/lib/python3.13/site-packages/fastapi/middleware/__init__.py

@@ -0,0 +1 @@
+from starlette.middleware import Middleware as Middleware

backend_service/venv/lib/python3.13/site-packages/fastapi/middleware/asyncexitstack.py

@@ -0,0 +1,18 @@
+from contextlib import AsyncExitStack
+
+from starlette.types import ASGIApp, Receive, Scope, Send
+
+
+# Used mainly to close files after the request is done, dependencies are closed
+# in their own AsyncExitStack
+class AsyncExitStackMiddleware:
+    def __init__(
+        self, app: ASGIApp, context_name: str = "fastapi_middleware_astack"
+    ) -> None:
+        self.app = app
+        self.context_name = context_name
+
+    async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None:
+        async with AsyncExitStack() as stack:
+            scope[self.context_name] = stack
+            await self.app(scope, receive, send)

backend_service/venv/lib/python3.13/site-packages/fastapi/middleware/cors.py

@@ -0,0 +1 @@
+from starlette.middleware.cors import CORSMiddleware as CORSMiddleware  # noqa

backend_service/venv/lib/python3.13/site-packages/fastapi/middleware/gzip.py

@@ -0,0 +1 @@
+from starlette.middleware.gzip import GZipMiddleware as GZipMiddleware  # noqa

backend_service/venv/lib/python3.13/site-packages/fastapi/middleware/httpsredirect.py

@@ -0,0 +1,3 @@
+from starlette.middleware.httpsredirect import (  # noqa
+    HTTPSRedirectMiddleware as HTTPSRedirectMiddleware,
+)

backend_service/venv/lib/python3.13/site-packages/fastapi/middleware/trustedhost.py

@@ -0,0 +1,3 @@
+from starlette.middleware.trustedhost import (  # noqa
+    TrustedHostMiddleware as TrustedHostMiddleware,
+)

backend_service/venv/lib/python3.13/site-packages/fastapi/middleware/wsgi.py

@@ -0,0 +1 @@
+from starlette.middleware.wsgi import WSGIMiddleware as WSGIMiddleware  # noqa

backend_service/venv/lib/python3.13/site-packages/fastapi/openapi/constants.py

@@ -0,0 +1,3 @@
+METHODS_WITH_BODY = {"GET", "HEAD", "POST", "PUT", "DELETE", "PATCH"}
+REF_PREFIX = "#/components/schemas/"
+REF_TEMPLATE = "#/components/schemas/{model}"

backend_service/venv/lib/python3.13/site-packages/fastapi/openapi/docs.py

@@ -0,0 +1,345 @@
+import json
+from typing import Any, Dict, Optional
+
+from annotated_doc import Doc
+from fastapi.encoders import jsonable_encoder
+from starlette.responses import HTMLResponse
+from typing_extensions import Annotated
+
+swagger_ui_default_parameters: Annotated[
+    Dict[str, Any],
+    Doc(
+        """
+        Default configurations for Swagger UI.
+
+        You can use it as a template to add any other configurations needed.
+        """
+    ),
+] = {
+    "dom_id": "#swagger-ui",
+    "layout": "BaseLayout",
+    "deepLinking": True,
+    "showExtensions": True,
+    "showCommonExtensions": True,
+}
+
+
+def get_swagger_ui_html(
+    *,
+    openapi_url: Annotated[
+        str,
+        Doc(
+            """
+            The OpenAPI URL that Swagger UI should load and use.
+
+            This is normally done automatically by FastAPI using the default URL
+            `/openapi.json`.
+            """
+        ),
+    ],
+    title: Annotated[
+        str,
+        Doc(
+            """
+            The HTML `<title>` content, normally shown in the browser tab.
+            """
+        ),
+    ],
+    swagger_js_url: Annotated[
+        str,
+        Doc(
+            """
+            The URL to use to load the Swagger UI JavaScript.
+
+            It is normally set to a CDN URL.
+            """
+        ),
+    ] = "https://cdn.jsdelivr.net/npm/swagger-ui-dist@5/swagger-ui-bundle.js",
+    swagger_css_url: Annotated[
+        str,
+        Doc(
+            """
+            The URL to use to load the Swagger UI CSS.
+
+            It is normally set to a CDN URL.
+            """
+        ),
+    ] = "https://cdn.jsdelivr.net/npm/swagger-ui-dist@5/swagger-ui.css",
+    swagger_favicon_url: Annotated[
+        str,
+        Doc(
+            """
+            The URL of the favicon to use. It is normally shown in the browser tab.
+            """
+        ),
+    ] = "https://fastapi.tiangolo.com/img/favicon.png",
+    oauth2_redirect_url: Annotated[
+        Optional[str],
+        Doc(
+            """
+            The OAuth2 redirect URL, it is normally automatically handled by FastAPI.
+            """
+        ),
+    ] = None,
+    init_oauth: Annotated[
+        Optional[Dict[str, Any]],
+        Doc(
+            """
+            A dictionary with Swagger UI OAuth2 initialization configurations.
+            """
+        ),
+    ] = None,
+    swagger_ui_parameters: Annotated[
+        Optional[Dict[str, Any]],
+        Doc(
+            """
+            Configuration parameters for Swagger UI.
+
+            It defaults to [swagger_ui_default_parameters][fastapi.openapi.docs.swagger_ui_default_parameters].
+            """
+        ),
+    ] = None,
+) -> HTMLResponse:
+    """
+    Generate and return the HTML  that loads Swagger UI for the interactive
+    API docs (normally served at `/docs`).
+
+    You would only call this function yourself if you needed to override some parts,
+    for example the URLs to use to load Swagger UI's JavaScript and CSS.
+
+    Read more about it in the
+    [FastAPI docs for Configure Swagger UI](https://fastapi.tiangolo.com/how-to/configure-swagger-ui/)
+    and the [FastAPI docs for Custom Docs UI Static Assets (Self-Hosting)](https://fastapi.tiangolo.com/how-to/custom-docs-ui-assets/).
+    """
+    current_swagger_ui_parameters = swagger_ui_default_parameters.copy()
+    if swagger_ui_parameters:
+        current_swagger_ui_parameters.update(swagger_ui_parameters)
+
+    html = f"""
+    <!DOCTYPE html>
+    <html>
+    <head>
+    <link type="text/css" rel="stylesheet" href="{swagger_css_url}">
+    <link rel="shortcut icon" href="{swagger_favicon_url}">
+    <title>{title}</title>
+    </head>
+    <body>
+    <div id="swagger-ui">
+    </div>
+    <script src="{swagger_js_url}"></script>
+    <!-- `SwaggerUIBundle` is now available on the page -->
+    <script>
+    const ui = SwaggerUIBundle({{
+        url: '{openapi_url}',
+    """
+
+    for key, value in current_swagger_ui_parameters.items():
+        html += f"{json.dumps(key)}: {json.dumps(jsonable_encoder(value))},\n"
+
+    if oauth2_redirect_url:
+        html += f"oauth2RedirectUrl: window.location.origin + '{oauth2_redirect_url}',"
+
+    html += """
+    presets: [
+        SwaggerUIBundle.presets.apis,
+        SwaggerUIBundle.SwaggerUIStandalonePreset
+        ],
+    })"""
+
+    if init_oauth:
+        html += f"""
+        ui.initOAuth({json.dumps(jsonable_encoder(init_oauth))})
+        """
+
+    html += """
+    </script>
+    </body>
+    </html>
+    """
+    return HTMLResponse(html)
+
+
+def get_redoc_html(
+    *,
+    openapi_url: Annotated[
+        str,
+        Doc(
+            """
+            The OpenAPI URL that ReDoc should load and use.
+
+            This is normally done automatically by FastAPI using the default URL
+            `/openapi.json`.
+            """
+        ),
+    ],
+    title: Annotated[
+        str,
+        Doc(
+            """
+            The HTML `<title>` content, normally shown in the browser tab.
+            """
+        ),
+    ],
+    redoc_js_url: Annotated[
+        str,
+        Doc(
+            """
+            The URL to use to load the ReDoc JavaScript.
+
+            It is normally set to a CDN URL.
+            """
+        ),
+    ] = "https://cdn.jsdelivr.net/npm/redoc@2/bundles/redoc.standalone.js",
+    redoc_favicon_url: Annotated[
+        str,
+        Doc(
+            """
+            The URL of the favicon to use. It is normally shown in the browser tab.
+            """
+        ),
+    ] = "https://fastapi.tiangolo.com/img/favicon.png",
+    with_google_fonts: Annotated[
+        bool,
+        Doc(
+            """
+            Load and use Google Fonts.
+            """
+        ),
+    ] = True,
+) -> HTMLResponse:
+    """
+    Generate and return the HTML response that loads ReDoc for the alternative
+    API docs (normally served at `/redoc`).
+
+    You would only call this function yourself if you needed to override some parts,
+    for example the URLs to use to load ReDoc's JavaScript and CSS.
+
+    Read more about it in the
+    [FastAPI docs for Custom Docs UI Static Assets (Self-Hosting)](https://fastapi.tiangolo.com/how-to/custom-docs-ui-assets/).
+    """
+    html = f"""
+    <!DOCTYPE html>
+    <html>
+    <head>
+    <title>{title}</title>
+    <!-- needed for adaptive design -->
+    <meta charset="utf-8"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    """
+    if with_google_fonts:
+        html += """
+    <link href="https://fonts.googleapis.com/css?family=Montserrat:300,400,700|Roboto:300,400,700" rel="stylesheet">
+    """
+    html += f"""
+    <link rel="shortcut icon" href="{redoc_favicon_url}">
+    <!--
+    ReDoc doesn't change outer page styles
+    -->
+    <style>
+      body {{
+        margin: 0;
+        padding: 0;
+      }}
+    </style>
+    </head>
+    <body>
+    <noscript>
+        ReDoc requires Javascript to function. Please enable it to browse the documentation.
+    </noscript>
+    <redoc spec-url="{openapi_url}"></redoc>
+    <script src="{redoc_js_url}"> </script>
+    </body>
+    </html>
+    """
+    return HTMLResponse(html)
+
+
+def get_swagger_ui_oauth2_redirect_html() -> HTMLResponse:
+    """
+    Generate the HTML response with the OAuth2 redirection for Swagger UI.
+
+    You normally don't need to use or change this.
+    """
+    # copied from https://github.com/swagger-api/swagger-ui/blob/v4.14.0/dist/oauth2-redirect.html
+    html = """
+    <!doctype html>
+    <html lang="en-US">
+    <head>
+        <title>Swagger UI: OAuth2 Redirect</title>
+    </head>
+    <body>
+    <script>
+        'use strict';
+        function run () {
+            var oauth2 = window.opener.swaggerUIRedirectOauth2;
+            var sentState = oauth2.state;
+            var redirectUrl = oauth2.redirectUrl;
+            var isValid, qp, arr;
+
+            if (/code|token|error/.test(window.location.hash)) {
+                qp = window.location.hash.substring(1).replace('?', '&');
+            } else {
+                qp = location.search.substring(1);
+            }
+
+            arr = qp.split("&");
+            arr.forEach(function (v,i,_arr) { _arr[i] = '"' + v.replace('=', '":"') + '"';});
+            qp = qp ? JSON.parse('{' + arr.join() + '}',
+                    function (key, value) {
+                        return key === "" ? value : decodeURIComponent(value);
+                    }
+            ) : {};
+
+            isValid = qp.state === sentState;
+
+            if ((
+              oauth2.auth.schema.get("flow") === "accessCode" ||
+              oauth2.auth.schema.get("flow") === "authorizationCode" ||
+              oauth2.auth.schema.get("flow") === "authorization_code"
+            ) && !oauth2.auth.code) {
+                if (!isValid) {
+                    oauth2.errCb({
+                        authId: oauth2.auth.name,
+                        source: "auth",
+                        level: "warning",
+                        message: "Authorization may be unsafe, passed state was changed in server. The passed state wasn't returned from auth server."
+                    });
+                }
+
+                if (qp.code) {
+                    delete oauth2.state;
+                    oauth2.auth.code = qp.code;
+                    oauth2.callback({auth: oauth2.auth, redirectUrl: redirectUrl});
+                } else {
+                    let oauthErrorMsg;
+                    if (qp.error) {
+                        oauthErrorMsg = "["+qp.error+"]: " +
+                            (qp.error_description ? qp.error_description+ ". " : "no accessCode received from the server. ") +
+                            (qp.error_uri ? "More info: "+qp.error_uri : "");
+                    }
+
+                    oauth2.errCb({
+                        authId: oauth2.auth.name,
+                        source: "auth",
+                        level: "error",
+                        message: oauthErrorMsg || "[Authorization failed]: no accessCode received from the server."
+                    });
+                }
+            } else {
+                oauth2.callback({auth: oauth2.auth, token: qp, isValid: isValid, redirectUrl: redirectUrl});
+            }
+            window.close();
+        }
+
+        if (document.readyState !== 'loading') {
+            run();
+        } else {
+            document.addEventListener('DOMContentLoaded', function () {
+                run();
+            });
+        }
+    </script>
+    </body>
+    </html>
+        """
+    return HTMLResponse(content=html)

backend_service/venv/lib/python3.13/site-packages/fastapi/openapi/models.py

@@ -0,0 +1,451 @@
+from enum import Enum
+from typing import Any, Callable, Dict, Iterable, List, Optional, Set, Type, Union
+
+from fastapi._compat import (
+    PYDANTIC_V2,
+    CoreSchema,
+    GetJsonSchemaHandler,
+    JsonSchemaValue,
+    _model_rebuild,
+    with_info_plain_validator_function,
+)
+from fastapi.logger import logger
+from pydantic import AnyUrl, BaseModel, Field
+from typing_extensions import Annotated, Literal, TypedDict
+from typing_extensions import deprecated as typing_deprecated
+
+try:
+    import email_validator
+
+    assert email_validator  # make autoflake ignore the unused import
+    from pydantic import EmailStr
+except ImportError:  # pragma: no cover
+
+    class EmailStr(str):  # type: ignore
+        @classmethod
+        def __get_validators__(cls) -> Iterable[Callable[..., Any]]:
+            yield cls.validate
+
+        @classmethod
+        def validate(cls, v: Any) -> str:
+            logger.warning(
+                "email-validator not installed, email fields will be treated as str.\n"
+                "To install, run: pip install email-validator"
+            )
+            return str(v)
+
+        @classmethod
+        def _validate(cls, __input_value: Any, _: Any) -> str:
+            logger.warning(
+                "email-validator not installed, email fields will be treated as str.\n"
+                "To install, run: pip install email-validator"
+            )
+            return str(__input_value)
+
+        @classmethod
+        def __get_pydantic_json_schema__(
+            cls, core_schema: CoreSchema, handler: GetJsonSchemaHandler
+        ) -> JsonSchemaValue:
+            return {"type": "string", "format": "email"}
+
+        @classmethod
+        def __get_pydantic_core_schema__(
+            cls, source: Type[Any], handler: Callable[[Any], CoreSchema]
+        ) -> CoreSchema:
+            return with_info_plain_validator_function(cls._validate)
+
+
+class BaseModelWithConfig(BaseModel):
+    if PYDANTIC_V2:
+        model_config = {"extra": "allow"}
+
+    else:
+
+        class Config:
+            extra = "allow"
+
+
+class Contact(BaseModelWithConfig):
+    name: Optional[str] = None
+    url: Optional[AnyUrl] = None
+    email: Optional[EmailStr] = None
+
+
+class License(BaseModelWithConfig):
+    name: str
+    identifier: Optional[str] = None
+    url: Optional[AnyUrl] = None
+
+
+class Info(BaseModelWithConfig):
+    title: str
+    summary: Optional[str] = None
+    description: Optional[str] = None
+    termsOfService: Optional[str] = None
+    contact: Optional[Contact] = None
+    license: Optional[License] = None
+    version: str
+
+
+class ServerVariable(BaseModelWithConfig):
+    enum: Annotated[Optional[List[str]], Field(min_length=1)] = None
+    default: str
+    description: Optional[str] = None
+
+
+class Server(BaseModelWithConfig):
+    url: Union[AnyUrl, str]
+    description: Optional[str] = None
+    variables: Optional[Dict[str, ServerVariable]] = None
+
+
+class Reference(BaseModel):
+    ref: str = Field(alias="$ref")
+
+
+class Discriminator(BaseModel):
+    propertyName: str
+    mapping: Optional[Dict[str, str]] = None
+
+
+class XML(BaseModelWithConfig):
+    name: Optional[str] = None
+    namespace: Optional[str] = None
+    prefix: Optional[str] = None
+    attribute: Optional[bool] = None
+    wrapped: Optional[bool] = None
+
+
+class ExternalDocumentation(BaseModelWithConfig):
+    description: Optional[str] = None
+    url: AnyUrl
+
+
+# Ref JSON Schema 2020-12: https://json-schema.org/draft/2020-12/json-schema-validation#name-type
+SchemaType = Literal[
+    "array", "boolean", "integer", "null", "number", "object", "string"
+]
+
+
+class Schema(BaseModelWithConfig):
+    # Ref: JSON Schema 2020-12: https://json-schema.org/draft/2020-12/json-schema-core.html#name-the-json-schema-core-vocabu
+    # Core Vocabulary
+    schema_: Optional[str] = Field(default=None, alias="$schema")
+    vocabulary: Optional[str] = Field(default=None, alias="$vocabulary")
+    id: Optional[str] = Field(default=None, alias="$id")
+    anchor: Optional[str] = Field(default=None, alias="$anchor")
+    dynamicAnchor: Optional[str] = Field(default=None, alias="$dynamicAnchor")
+    ref: Optional[str] = Field(default=None, alias="$ref")
+    dynamicRef: Optional[str] = Field(default=None, alias="$dynamicRef")
+    defs: Optional[Dict[str, "SchemaOrBool"]] = Field(default=None, alias="$defs")
+    comment: Optional[str] = Field(default=None, alias="$comment")
+    # Ref: JSON Schema 2020-12: https://json-schema.org/draft/2020-12/json-schema-core.html#name-a-vocabulary-for-applying-s
+    # A Vocabulary for Applying Subschemas
+    allOf: Optional[List["SchemaOrBool"]] = None
+    anyOf: Optional[List["SchemaOrBool"]] = None
+    oneOf: Optional[List["SchemaOrBool"]] = None
+    not_: Optional["SchemaOrBool"] = Field(default=None, alias="not")
+    if_: Optional["SchemaOrBool"] = Field(default=None, alias="if")
+    then: Optional["SchemaOrBool"] = None
+    else_: Optional["SchemaOrBool"] = Field(default=None, alias="else")
+    dependentSchemas: Optional[Dict[str, "SchemaOrBool"]] = None
+    prefixItems: Optional[List["SchemaOrBool"]] = None
+    # TODO: uncomment and remove below when deprecating Pydantic v1
+    # It generates a list of schemas for tuples, before prefixItems was available
+    # items: Optional["SchemaOrBool"] = None
+    items: Optional[Union["SchemaOrBool", List["SchemaOrBool"]]] = None
+    contains: Optional["SchemaOrBool"] = None
+    properties: Optional[Dict[str, "SchemaOrBool"]] = None
+    patternProperties: Optional[Dict[str, "SchemaOrBool"]] = None
+    additionalProperties: Optional["SchemaOrBool"] = None
+    propertyNames: Optional["SchemaOrBool"] = None
+    unevaluatedItems: Optional["SchemaOrBool"] = None
+    unevaluatedProperties: Optional["SchemaOrBool"] = None
+    # Ref: JSON Schema Validation 2020-12: https://json-schema.org/draft/2020-12/json-schema-validation.html#name-a-vocabulary-for-structural
+    # A Vocabulary for Structural Validation
+    type: Optional[Union[SchemaType, List[SchemaType]]] = None
+    enum: Optional[List[Any]] = None
+    const: Optional[Any] = None
+    multipleOf: Optional[float] = Field(default=None, gt=0)
+    maximum: Optional[float] = None
+    exclusiveMaximum: Optional[float] = None
+    minimum: Optional[float] = None
+    exclusiveMinimum: Optional[float] = None
+    maxLength: Optional[int] = Field(default=None, ge=0)
+    minLength: Optional[int] = Field(default=None, ge=0)
+    pattern: Optional[str] = None
+    maxItems: Optional[int] = Field(default=None, ge=0)
+    minItems: Optional[int] = Field(default=None, ge=0)
+    uniqueItems: Optional[bool] = None
+    maxContains: Optional[int] = Field(default=None, ge=0)
+    minContains: Optional[int] = Field(default=None, ge=0)
+    maxProperties: Optional[int] = Field(default=None, ge=0)
+    minProperties: Optional[int] = Field(default=None, ge=0)
+    required: Optional[List[str]] = None
+    dependentRequired: Optional[Dict[str, Set[str]]] = None
+    # Ref: JSON Schema Validation 2020-12: https://json-schema.org/draft/2020-12/json-schema-validation.html#name-vocabularies-for-semantic-c
+    # Vocabularies for Semantic Content With "format"
+    format: Optional[str] = None
+    # Ref: JSON Schema Validation 2020-12: https://json-schema.org/draft/2020-12/json-schema-validation.html#name-a-vocabulary-for-the-conten
+    # A Vocabulary for the Contents of String-Encoded Data
+    contentEncoding: Optional[str] = None
+    contentMediaType: Optional[str] = None
+    contentSchema: Optional["SchemaOrBool"] = None
+    # Ref: JSON Schema Validation 2020-12: https://json-schema.org/draft/2020-12/json-schema-validation.html#name-a-vocabulary-for-basic-meta
+    # A Vocabulary for Basic Meta-Data Annotations
+    title: Optional[str] = None
+    description: Optional[str] = None
+    default: Optional[Any] = None
+    deprecated: Optional[bool] = None
+    readOnly: Optional[bool] = None
+    writeOnly: Optional[bool] = None
+    examples: Optional[List[Any]] = None
+    # Ref: OpenAPI 3.1.0: https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.1.0.md#schema-object
+    # Schema Object
+    discriminator: Optional[Discriminator] = None
+    xml: Optional[XML] = None
+    externalDocs: Optional[ExternalDocumentation] = None
+    example: Annotated[
+        Optional[Any],
+        typing_deprecated(
+            "Deprecated in OpenAPI 3.1.0 that now uses JSON Schema 2020-12, "
+            "although still supported. Use examples instead."
+        ),
+    ] = None
+
+
+# Ref: https://json-schema.org/draft/2020-12/json-schema-core.html#name-json-schema-documents
+# A JSON Schema MUST be an object or a boolean.
+SchemaOrBool = Union[Schema, bool]
+
+
+class Example(TypedDict, total=False):
+    summary: Optional[str]
+    description: Optional[str]
+    value: Optional[Any]
+    externalValue: Optional[AnyUrl]
+
+    if PYDANTIC_V2:  # type: ignore [misc]
+        __pydantic_config__ = {"extra": "allow"}
+
+    else:
+
+        class Config:
+            extra = "allow"
+
+
+class ParameterInType(Enum):
+    query = "query"
+    header = "header"
+    path = "path"
+    cookie = "cookie"
+
+
+class Encoding(BaseModelWithConfig):
+    contentType: Optional[str] = None
+    headers: Optional[Dict[str, Union["Header", Reference]]] = None
+    style: Optional[str] = None
+    explode: Optional[bool] = None
+    allowReserved: Optional[bool] = None
+
+
+class MediaType(BaseModelWithConfig):
+    schema_: Optional[Union[Schema, Reference]] = Field(default=None, alias="schema")
+    example: Optional[Any] = None
+    examples: Optional[Dict[str, Union[Example, Reference]]] = None
+    encoding: Optional[Dict[str, Encoding]] = None
+
+
+class ParameterBase(BaseModelWithConfig):
+    description: Optional[str] = None
+    required: Optional[bool] = None
+    deprecated: Optional[bool] = None
+    # Serialization rules for simple scenarios
+    style: Optional[str] = None
+    explode: Optional[bool] = None
+    allowReserved: Optional[bool] = None
+    schema_: Optional[Union[Schema, Reference]] = Field(default=None, alias="schema")
+    example: Optional[Any] = None
+    examples: Optional[Dict[str, Union[Example, Reference]]] = None
+    # Serialization rules for more complex scenarios
+    content: Optional[Dict[str, MediaType]] = None
+
+
+class Parameter(ParameterBase):
+    name: str
+    in_: ParameterInType = Field(alias="in")
+
+
+class Header(ParameterBase):
+    pass
+
+
+class RequestBody(BaseModelWithConfig):
+    description: Optional[str] = None
+    content: Dict[str, MediaType]
+    required: Optional[bool] = None
+
+
+class Link(BaseModelWithConfig):
+    operationRef: Optional[str] = None
+    operationId: Optional[str] = None
+    parameters: Optional[Dict[str, Union[Any, str]]] = None
+    requestBody: Optional[Union[Any, str]] = None
+    description: Optional[str] = None
+    server: Optional[Server] = None
+
+
+class Response(BaseModelWithConfig):
+    description: str
+    headers: Optional[Dict[str, Union[Header, Reference]]] = None
+    content: Optional[Dict[str, MediaType]] = None
+    links: Optional[Dict[str, Union[Link, Reference]]] = None
+
+
+class Operation(BaseModelWithConfig):
+    tags: Optional[List[str]] = None
+    summary: Optional[str] = None
+    description: Optional[str] = None
+    externalDocs: Optional[ExternalDocumentation] = None
+    operationId: Optional[str] = None
+    parameters: Optional[List[Union[Parameter, Reference]]] = None
+    requestBody: Optional[Union[RequestBody, Reference]] = None
+    # Using Any for Specification Extensions
+    responses: Optional[Dict[str, Union[Response, Any]]] = None
+    callbacks: Optional[Dict[str, Union[Dict[str, "PathItem"], Reference]]] = None
+    deprecated: Optional[bool] = None
+    security: Optional[List[Dict[str, List[str]]]] = None
+    servers: Optional[List[Server]] = None
+
+
+class PathItem(BaseModelWithConfig):
+    ref: Optional[str] = Field(default=None, alias="$ref")
+    summary: Optional[str] = None
+    description: Optional[str] = None
+    get: Optional[Operation] = None
+    put: Optional[Operation] = None
+    post: Optional[Operation] = None
+    delete: Optional[Operation] = None
+    options: Optional[Operation] = None
+    head: Optional[Operation] = None
+    patch: Optional[Operation] = None
+    trace: Optional[Operation] = None
+    servers: Optional[List[Server]] = None
+    parameters: Optional[List[Union[Parameter, Reference]]] = None
+
+
+class SecuritySchemeType(Enum):
+    apiKey = "apiKey"
+    http = "http"
+    oauth2 = "oauth2"
+    openIdConnect = "openIdConnect"
+
+
+class SecurityBase(BaseModelWithConfig):
+    type_: SecuritySchemeType = Field(alias="type")
+    description: Optional[str] = None
+
+
+class APIKeyIn(Enum):
+    query = "query"
+    header = "header"
+    cookie = "cookie"
+
+
+class APIKey(SecurityBase):
+    type_: SecuritySchemeType = Field(default=SecuritySchemeType.apiKey, alias="type")
+    in_: APIKeyIn = Field(alias="in")
+    name: str
+
+
+class HTTPBase(SecurityBase):
+    type_: SecuritySchemeType = Field(default=SecuritySchemeType.http, alias="type")
+    scheme: str
+
+
+class HTTPBearer(HTTPBase):
+    scheme: Literal["bearer"] = "bearer"
+    bearerFormat: Optional[str] = None
+
+
+class OAuthFlow(BaseModelWithConfig):
+    refreshUrl: Optional[str] = None
+    scopes: Dict[str, str] = {}
+
+
+class OAuthFlowImplicit(OAuthFlow):
+    authorizationUrl: str
+
+
+class OAuthFlowPassword(OAuthFlow):
+    tokenUrl: str
+
+
+class OAuthFlowClientCredentials(OAuthFlow):
+    tokenUrl: str
+
+
+class OAuthFlowAuthorizationCode(OAuthFlow):
+    authorizationUrl: str
+    tokenUrl: str
+
+
+class OAuthFlows(BaseModelWithConfig):
+    implicit: Optional[OAuthFlowImplicit] = None
+    password: Optional[OAuthFlowPassword] = None
+    clientCredentials: Optional[OAuthFlowClientCredentials] = None
+    authorizationCode: Optional[OAuthFlowAuthorizationCode] = None
+
+
+class OAuth2(SecurityBase):
+    type_: SecuritySchemeType = Field(default=SecuritySchemeType.oauth2, alias="type")
+    flows: OAuthFlows
+
+
+class OpenIdConnect(SecurityBase):
+    type_: SecuritySchemeType = Field(
+        default=SecuritySchemeType.openIdConnect, alias="type"
+    )
+    openIdConnectUrl: str
+
+
+SecurityScheme = Union[APIKey, HTTPBase, OAuth2, OpenIdConnect, HTTPBearer]
+
+
+class Components(BaseModelWithConfig):
+    schemas: Optional[Dict[str, Union[Schema, Reference]]] = None
+    responses: Optional[Dict[str, Union[Response, Reference]]] = None
+    parameters: Optional[Dict[str, Union[Parameter, Reference]]] = None
+    examples: Optional[Dict[str, Union[Example, Reference]]] = None
+    requestBodies: Optional[Dict[str, Union[RequestBody, Reference]]] = None
+    headers: Optional[Dict[str, Union[Header, Reference]]] = None
+    securitySchemes: Optional[Dict[str, Union[SecurityScheme, Reference]]] = None
+    links: Optional[Dict[str, Union[Link, Reference]]] = None
+    # Using Any for Specification Extensions
+    callbacks: Optional[Dict[str, Union[Dict[str, PathItem], Reference, Any]]] = None
+    pathItems: Optional[Dict[str, Union[PathItem, Reference]]] = None
+
+
+class Tag(BaseModelWithConfig):
+    name: str
+    description: Optional[str] = None
+    externalDocs: Optional[ExternalDocumentation] = None
+
+
+class OpenAPI(BaseModelWithConfig):
+    openapi: str
+    info: Info
+    jsonSchemaDialect: Optional[str] = None
+    servers: Optional[List[Server]] = None
+    # Using Any for Specification Extensions
+    paths: Optional[Dict[str, Union[PathItem, Any]]] = None
+    webhooks: Optional[Dict[str, Union[PathItem, Reference]]] = None
+    components: Optional[Components] = None
+    security: Optional[List[Dict[str, List[str]]]] = None
+    tags: Optional[List[Tag]] = None
+    externalDocs: Optional[ExternalDocumentation] = None
+
+
+_model_rebuild(Schema)
+_model_rebuild(Operation)
+_model_rebuild(Encoding)

backend_service/venv/lib/python3.13/site-packages/fastapi/openapi/utils.py

@@ -0,0 +1,558 @@
+import http.client
+import inspect
+import warnings
+from typing import Any, Dict, List, Optional, Sequence, Set, Tuple, Type, Union, cast
+
+from fastapi import routing
+from fastapi._compat import (
+    JsonSchemaValue,
+    ModelField,
+    Undefined,
+    get_compat_model_name_map,
+    get_definitions,
+    get_schema_from_model_field,
+    lenient_issubclass,
+)
+from fastapi.datastructures import DefaultPlaceholder
+from fastapi.dependencies.models import Dependant
+from fastapi.dependencies.utils import (
+    _get_flat_fields_from_params,
+    get_flat_dependant,
+    get_flat_params,
+)
+from fastapi.encoders import jsonable_encoder
+from fastapi.openapi.constants import METHODS_WITH_BODY, REF_PREFIX
+from fastapi.openapi.models import OpenAPI
+from fastapi.params import Body, ParamTypes
+from fastapi.responses import Response
+from fastapi.types import ModelNameMap
+from fastapi.utils import (
+    deep_dict_update,
+    generate_operation_id_for_path,
+    is_body_allowed_for_status_code,
+)
+from pydantic import BaseModel
+from starlette.responses import JSONResponse
+from starlette.routing import BaseRoute
+from typing_extensions import Literal
+
+from .._compat import _is_model_field
+
+validation_error_definition = {
+    "title": "ValidationError",
+    "type": "object",
+    "properties": {
+        "loc": {
+            "title": "Location",
+            "type": "array",
+            "items": {"anyOf": [{"type": "string"}, {"type": "integer"}]},
+        },
+        "msg": {"title": "Message", "type": "string"},
+        "type": {"title": "Error Type", "type": "string"},
+    },
+    "required": ["loc", "msg", "type"],
+}
+
+validation_error_response_definition = {
+    "title": "HTTPValidationError",
+    "type": "object",
+    "properties": {
+        "detail": {
+            "title": "Detail",
+            "type": "array",
+            "items": {"$ref": REF_PREFIX + "ValidationError"},
+        }
+    },
+}
+
+status_code_ranges: Dict[str, str] = {
+    "1XX": "Information",
+    "2XX": "Success",
+    "3XX": "Redirection",
+    "4XX": "Client Error",
+    "5XX": "Server Error",
+    "DEFAULT": "Default Response",
+}
+
+
+def get_openapi_security_definitions(
+    flat_dependant: Dependant,
+) -> Tuple[Dict[str, Any], List[Dict[str, Any]]]:
+    security_definitions = {}
+    operation_security = []
+    for security_requirement in flat_dependant.security_requirements:
+        security_definition = jsonable_encoder(
+            security_requirement.security_scheme.model,
+            by_alias=True,
+            exclude_none=True,
+        )
+        security_name = security_requirement.security_scheme.scheme_name
+        security_definitions[security_name] = security_definition
+        operation_security.append({security_name: security_requirement.scopes})
+    return security_definitions, operation_security
+
+
+def _get_openapi_operation_parameters(
+    *,
+    dependant: Dependant,
+    model_name_map: ModelNameMap,
+    field_mapping: Dict[
+        Tuple[ModelField, Literal["validation", "serialization"]], JsonSchemaValue
+    ],
+    separate_input_output_schemas: bool = True,
+) -> List[Dict[str, Any]]:
+    parameters = []
+    flat_dependant = get_flat_dependant(dependant, skip_repeats=True)
+    path_params = _get_flat_fields_from_params(flat_dependant.path_params)
+    query_params = _get_flat_fields_from_params(flat_dependant.query_params)
+    header_params = _get_flat_fields_from_params(flat_dependant.header_params)
+    cookie_params = _get_flat_fields_from_params(flat_dependant.cookie_params)
+    parameter_groups = [
+        (ParamTypes.path, path_params),
+        (ParamTypes.query, query_params),
+        (ParamTypes.header, header_params),
+        (ParamTypes.cookie, cookie_params),
+    ]
+    default_convert_underscores = True
+    if len(flat_dependant.header_params) == 1:
+        first_field = flat_dependant.header_params[0]
+        if lenient_issubclass(first_field.type_, BaseModel):
+            default_convert_underscores = getattr(
+                first_field.field_info, "convert_underscores", True
+            )
+    for param_type, param_group in parameter_groups:
+        for param in param_group:
+            field_info = param.field_info
+            # field_info = cast(Param, field_info)
+            if not getattr(field_info, "include_in_schema", True):
+                continue
+            param_schema = get_schema_from_model_field(
+                field=param,
+                model_name_map=model_name_map,
+                field_mapping=field_mapping,
+                separate_input_output_schemas=separate_input_output_schemas,
+            )
+            name = param.alias
+            convert_underscores = getattr(
+                param.field_info,
+                "convert_underscores",
+                default_convert_underscores,
+            )
+            if (
+                param_type == ParamTypes.header
+                and param.alias == param.name
+                and convert_underscores
+            ):
+                name = param.name.replace("_", "-")
+
+            parameter = {
+                "name": name,
+                "in": param_type.value,
+                "required": param.required,
+                "schema": param_schema,
+            }
+            if field_info.description:
+                parameter["description"] = field_info.description
+            openapi_examples = getattr(field_info, "openapi_examples", None)
+            example = getattr(field_info, "example", None)
+            if openapi_examples:
+                parameter["examples"] = jsonable_encoder(openapi_examples)
+            elif example != Undefined:
+                parameter["example"] = jsonable_encoder(example)
+            if getattr(field_info, "deprecated", None):
+                parameter["deprecated"] = True
+            parameters.append(parameter)
+    return parameters
+
+
+def get_openapi_operation_request_body(
+    *,
+    body_field: Optional[ModelField],
+    model_name_map: ModelNameMap,
+    field_mapping: Dict[
+        Tuple[ModelField, Literal["validation", "serialization"]], JsonSchemaValue
+    ],
+    separate_input_output_schemas: bool = True,
+) -> Optional[Dict[str, Any]]:
+    if not body_field:
+        return None
+    assert _is_model_field(body_field)
+    body_schema = get_schema_from_model_field(
+        field=body_field,
+        model_name_map=model_name_map,
+        field_mapping=field_mapping,
+        separate_input_output_schemas=separate_input_output_schemas,
+    )
+    field_info = cast(Body, body_field.field_info)
+    request_media_type = field_info.media_type
+    required = body_field.required
+    request_body_oai: Dict[str, Any] = {}
+    if required:
+        request_body_oai["required"] = required
+    request_media_content: Dict[str, Any] = {"schema": body_schema}
+    if field_info.openapi_examples:
+        request_media_content["examples"] = jsonable_encoder(
+            field_info.openapi_examples
+        )
+    elif field_info.example != Undefined:
+        request_media_content["example"] = jsonable_encoder(field_info.example)
+    request_body_oai["content"] = {request_media_type: request_media_content}
+    return request_body_oai
+
+
+def generate_operation_id(
+    *, route: routing.APIRoute, method: str
+) -> str:  # pragma: nocover
+    warnings.warn(
+        "fastapi.openapi.utils.generate_operation_id() was deprecated, "
+        "it is not used internally, and will be removed soon",
+        DeprecationWarning,
+        stacklevel=2,
+    )
+    if route.operation_id:
+        return route.operation_id
+    path: str = route.path_format
+    return generate_operation_id_for_path(name=route.name, path=path, method=method)
+
+
+def generate_operation_summary(*, route: routing.APIRoute, method: str) -> str:
+    if route.summary:
+        return route.summary
+    return route.name.replace("_", " ").title()
+
+
+def get_openapi_operation_metadata(
+    *, route: routing.APIRoute, method: str, operation_ids: Set[str]
+) -> Dict[str, Any]:
+    operation: Dict[str, Any] = {}
+    if route.tags:
+        operation["tags"] = route.tags
+    operation["summary"] = generate_operation_summary(route=route, method=method)
+    if route.description:
+        operation["description"] = route.description
+    operation_id = route.operation_id or route.unique_id
+    if operation_id in operation_ids:
+        message = (
+            f"Duplicate Operation ID {operation_id} for function "
+            + f"{route.endpoint.__name__}"
+        )
+        file_name = getattr(route.endpoint, "__globals__", {}).get("__file__")
+        if file_name:
+            message += f" at {file_name}"
+        warnings.warn(message, stacklevel=1)
+    operation_ids.add(operation_id)
+    operation["operationId"] = operation_id
+    if route.deprecated:
+        operation["deprecated"] = route.deprecated
+    return operation
+
+
+def get_openapi_path(
+    *,
+    route: routing.APIRoute,
+    operation_ids: Set[str],
+    model_name_map: ModelNameMap,
+    field_mapping: Dict[
+        Tuple[ModelField, Literal["validation", "serialization"]], JsonSchemaValue
+    ],
+    separate_input_output_schemas: bool = True,
+) -> Tuple[Dict[str, Any], Dict[str, Any], Dict[str, Any]]:
+    path = {}
+    security_schemes: Dict[str, Any] = {}
+    definitions: Dict[str, Any] = {}
+    assert route.methods is not None, "Methods must be a list"
+    if isinstance(route.response_class, DefaultPlaceholder):
+        current_response_class: Type[Response] = route.response_class.value
+    else:
+        current_response_class = route.response_class
+    assert current_response_class, "A response class is needed to generate OpenAPI"
+    route_response_media_type: Optional[str] = current_response_class.media_type
+    if route.include_in_schema:
+        for method in route.methods:
+            operation = get_openapi_operation_metadata(
+                route=route, method=method, operation_ids=operation_ids
+            )
+            parameters: List[Dict[str, Any]] = []
+            flat_dependant = get_flat_dependant(route.dependant, skip_repeats=True)
+            security_definitions, operation_security = get_openapi_security_definitions(
+                flat_dependant=flat_dependant
+            )
+            if operation_security:
+                operation.setdefault("security", []).extend(operation_security)
+            if security_definitions:
+                security_schemes.update(security_definitions)
+            operation_parameters = _get_openapi_operation_parameters(
+                dependant=route.dependant,
+                model_name_map=model_name_map,
+                field_mapping=field_mapping,
+                separate_input_output_schemas=separate_input_output_schemas,
+            )
+            parameters.extend(operation_parameters)
+            if parameters:
+                all_parameters = {
+                    (param["in"], param["name"]): param for param in parameters
+                }
+                required_parameters = {
+                    (param["in"], param["name"]): param
+                    for param in parameters
+                    if param.get("required")
+                }
+                # Make sure required definitions of the same parameter take precedence
+                # over non-required definitions
+                all_parameters.update(required_parameters)
+                operation["parameters"] = list(all_parameters.values())
+            if method in METHODS_WITH_BODY:
+                request_body_oai = get_openapi_operation_request_body(
+                    body_field=route.body_field,
+                    model_name_map=model_name_map,
+                    field_mapping=field_mapping,
+                    separate_input_output_schemas=separate_input_output_schemas,
+                )
+                if request_body_oai:
+                    operation["requestBody"] = request_body_oai
+            if route.callbacks:
+                callbacks = {}
+                for callback in route.callbacks:
+                    if isinstance(callback, routing.APIRoute):
+                        (
+                            cb_path,
+                            cb_security_schemes,
+                            cb_definitions,
+                        ) = get_openapi_path(
+                            route=callback,
+                            operation_ids=operation_ids,
+                            model_name_map=model_name_map,
+                            field_mapping=field_mapping,
+                            separate_input_output_schemas=separate_input_output_schemas,
+                        )
+                        callbacks[callback.name] = {callback.path: cb_path}
+                operation["callbacks"] = callbacks
+            if route.status_code is not None:
+                status_code = str(route.status_code)
+            else:
+                # It would probably make more sense for all response classes to have an
+                # explicit default status_code, and to extract it from them, instead of
+                # doing this inspection tricks, that would probably be in the future
+                # TODO: probably make status_code a default class attribute for all
+                # responses in Starlette
+                response_signature = inspect.signature(current_response_class.__init__)
+                status_code_param = response_signature.parameters.get("status_code")
+                if status_code_param is not None:
+                    if isinstance(status_code_param.default, int):
+                        status_code = str(status_code_param.default)
+            operation.setdefault("responses", {}).setdefault(status_code, {})[
+                "description"
+            ] = route.response_description
+            if route_response_media_type and is_body_allowed_for_status_code(
+                route.status_code
+            ):
+                response_schema = {"type": "string"}
+                if lenient_issubclass(current_response_class, JSONResponse):
+                    if route.response_field:
+                        response_schema = get_schema_from_model_field(
+                            field=route.response_field,
+                            model_name_map=model_name_map,
+                            field_mapping=field_mapping,
+                            separate_input_output_schemas=separate_input_output_schemas,
+                        )
+                    else:
+                        response_schema = {}
+                operation.setdefault("responses", {}).setdefault(
+                    status_code, {}
+                ).setdefault("content", {}).setdefault(route_response_media_type, {})[
+                    "schema"
+                ] = response_schema
+            if route.responses:
+                operation_responses = operation.setdefault("responses", {})
+                for (
+                    additional_status_code,
+                    additional_response,
+                ) in route.responses.items():
+                    process_response = additional_response.copy()
+                    process_response.pop("model", None)
+                    status_code_key = str(additional_status_code).upper()
+                    if status_code_key == "DEFAULT":
+                        status_code_key = "default"
+                    openapi_response = operation_responses.setdefault(
+                        status_code_key, {}
+                    )
+                    assert isinstance(process_response, dict), (
+                        "An additional response must be a dict"
+                    )
+                    field = route.response_fields.get(additional_status_code)
+                    additional_field_schema: Optional[Dict[str, Any]] = None
+                    if field:
+                        additional_field_schema = get_schema_from_model_field(
+                            field=field,
+                            model_name_map=model_name_map,
+                            field_mapping=field_mapping,
+                            separate_input_output_schemas=separate_input_output_schemas,
+                        )
+                        media_type = route_response_media_type or "application/json"
+                        additional_schema = (
+                            process_response.setdefault("content", {})
+                            .setdefault(media_type, {})
+                            .setdefault("schema", {})
+                        )
+                        deep_dict_update(additional_schema, additional_field_schema)
+                    status_text: Optional[str] = status_code_ranges.get(
+                        str(additional_status_code).upper()
+                    ) or http.client.responses.get(int(additional_status_code))
+                    description = (
+                        process_response.get("description")
+                        or openapi_response.get("description")
+                        or status_text
+                        or "Additional Response"
+                    )
+                    deep_dict_update(openapi_response, process_response)
+                    openapi_response["description"] = description
+            http422 = "422"
+            all_route_params = get_flat_params(route.dependant)
+            if (all_route_params or route.body_field) and not any(
+                status in operation["responses"]
+                for status in [http422, "4XX", "default"]
+            ):
+                operation["responses"][http422] = {
+                    "description": "Validation Error",
+                    "content": {
+                        "application/json": {
+                            "schema": {"$ref": REF_PREFIX + "HTTPValidationError"}
+                        }
+                    },
+                }
+                if "ValidationError" not in definitions:
+                    definitions.update(
+                        {
+                            "ValidationError": validation_error_definition,
+                            "HTTPValidationError": validation_error_response_definition,
+                        }
+                    )
+            if route.openapi_extra:
+                deep_dict_update(operation, route.openapi_extra)
+            path[method.lower()] = operation
+    return path, security_schemes, definitions
+
+
+def get_fields_from_routes(
+    routes: Sequence[BaseRoute],
+) -> List[ModelField]:
+    body_fields_from_routes: List[ModelField] = []
+    responses_from_routes: List[ModelField] = []
+    request_fields_from_routes: List[ModelField] = []
+    callback_flat_models: List[ModelField] = []
+    for route in routes:
+        if getattr(route, "include_in_schema", None) and isinstance(
+            route, routing.APIRoute
+        ):
+            if route.body_field:
+                assert _is_model_field(route.body_field), (
+                    "A request body must be a Pydantic Field"
+                )
+                body_fields_from_routes.append(route.body_field)
+            if route.response_field:
+                responses_from_routes.append(route.response_field)
+            if route.response_fields:
+                responses_from_routes.extend(route.response_fields.values())
+            if route.callbacks:
+                callback_flat_models.extend(get_fields_from_routes(route.callbacks))
+            params = get_flat_params(route.dependant)
+            request_fields_from_routes.extend(params)
+
+    flat_models = callback_flat_models + list(
+        body_fields_from_routes + responses_from_routes + request_fields_from_routes
+    )
+    return flat_models
+
+
+def get_openapi(
+    *,
+    title: str,
+    version: str,
+    openapi_version: str = "3.1.0",
+    summary: Optional[str] = None,
+    description: Optional[str] = None,
+    routes: Sequence[BaseRoute],
+    webhooks: Optional[Sequence[BaseRoute]] = None,
+    tags: Optional[List[Dict[str, Any]]] = None,
+    servers: Optional[List[Dict[str, Union[str, Any]]]] = None,
+    terms_of_service: Optional[str] = None,
+    contact: Optional[Dict[str, Union[str, Any]]] = None,
+    license_info: Optional[Dict[str, Union[str, Any]]] = None,
+    separate_input_output_schemas: bool = True,
+    external_docs: Optional[Dict[str, Any]] = None,
+) -> Dict[str, Any]:
+    info: Dict[str, Any] = {"title": title, "version": version}
+    if summary:
+        info["summary"] = summary
+    if description:
+        info["description"] = description
+    if terms_of_service:
+        info["termsOfService"] = terms_of_service
+    if contact:
+        info["contact"] = contact
+    if license_info:
+        info["license"] = license_info
+    output: Dict[str, Any] = {"openapi": openapi_version, "info": info}
+    if servers:
+        output["servers"] = servers
+    components: Dict[str, Dict[str, Any]] = {}
+    paths: Dict[str, Dict[str, Any]] = {}
+    webhook_paths: Dict[str, Dict[str, Any]] = {}
+    operation_ids: Set[str] = set()
+    all_fields = get_fields_from_routes(list(routes or []) + list(webhooks or []))
+    model_name_map = get_compat_model_name_map(all_fields)
+    field_mapping, definitions = get_definitions(
+        fields=all_fields,
+        model_name_map=model_name_map,
+        separate_input_output_schemas=separate_input_output_schemas,
+    )
+    for route in routes or []:
+        if isinstance(route, routing.APIRoute):
+            result = get_openapi_path(
+                route=route,
+                operation_ids=operation_ids,
+                model_name_map=model_name_map,
+                field_mapping=field_mapping,
+                separate_input_output_schemas=separate_input_output_schemas,
+            )
+            if result:
+                path, security_schemes, path_definitions = result
+                if path:
+                    paths.setdefault(route.path_format, {}).update(path)
+                if security_schemes:
+                    components.setdefault("securitySchemes", {}).update(
+                        security_schemes
+                    )
+                if path_definitions:
+                    definitions.update(path_definitions)
+    for webhook in webhooks or []:
+        if isinstance(webhook, routing.APIRoute):
+            result = get_openapi_path(
+                route=webhook,
+                operation_ids=operation_ids,
+                model_name_map=model_name_map,
+                field_mapping=field_mapping,
+                separate_input_output_schemas=separate_input_output_schemas,
+            )
+            if result:
+                path, security_schemes, path_definitions = result
+                if path:
+                    webhook_paths.setdefault(webhook.path_format, {}).update(path)
+                if security_schemes:
+                    components.setdefault("securitySchemes", {}).update(
+                        security_schemes
+                    )
+                if path_definitions:
+                    definitions.update(path_definitions)
+    if definitions:
+        components["schemas"] = {k: definitions[k] for k in sorted(definitions)}
+    if components:
+        output["components"] = components
+    output["paths"] = paths
+    if webhook_paths:
+        output["webhooks"] = webhook_paths
+    if tags:
+        output["tags"] = tags
+    if external_docs:
+        output["externalDocs"] = external_docs
+    return jsonable_encoder(OpenAPI(**output), by_alias=True, exclude_none=True)  # type: ignore

backend_service/venv/lib/python3.13/site-packages/fastapi/params.py

@@ -0,0 +1,774 @@
+import warnings
+from dataclasses import dataclass
+from enum import Enum
+from typing import Any, Callable, Dict, List, Optional, Sequence, Union
+
+from fastapi.openapi.models import Example
+from pydantic.fields import FieldInfo
+from typing_extensions import Annotated, Literal, deprecated
+
+from ._compat import (
+    PYDANTIC_V2,
+    PYDANTIC_VERSION_MINOR_TUPLE,
+    Undefined,
+)
+
+_Unset: Any = Undefined
+
+
+class ParamTypes(Enum):
+    query = "query"
+    header = "header"
+    path = "path"
+    cookie = "cookie"
+
+
+class Param(FieldInfo):  # type: ignore[misc]
+    in_: ParamTypes
+
+    def __init__(
+        self,
+        default: Any = Undefined,
+        *,
+        default_factory: Union[Callable[[], Any], None] = _Unset,
+        annotation: Optional[Any] = None,
+        alias: Optional[str] = None,
+        alias_priority: Union[int, None] = _Unset,
+        # TODO: update when deprecating Pydantic v1, import these types
+        # validation_alias: str | AliasPath | AliasChoices | None
+        validation_alias: Union[str, None] = None,
+        serialization_alias: Union[str, None] = None,
+        title: Optional[str] = None,
+        description: Optional[str] = None,
+        gt: Optional[float] = None,
+        ge: Optional[float] = None,
+        lt: Optional[float] = None,
+        le: Optional[float] = None,
+        min_length: Optional[int] = None,
+        max_length: Optional[int] = None,
+        pattern: Optional[str] = None,
+        regex: Annotated[
+            Optional[str],
+            deprecated(
+                "Deprecated in FastAPI 0.100.0 and Pydantic v2, use `pattern` instead."
+            ),
+        ] = None,
+        discriminator: Union[str, None] = None,
+        strict: Union[bool, None] = _Unset,
+        multiple_of: Union[float, None] = _Unset,
+        allow_inf_nan: Union[bool, None] = _Unset,
+        max_digits: Union[int, None] = _Unset,
+        decimal_places: Union[int, None] = _Unset,
+        examples: Optional[List[Any]] = None,
+        example: Annotated[
+            Optional[Any],
+            deprecated(
+                "Deprecated in OpenAPI 3.1.0 that now uses JSON Schema 2020-12, "
+                "although still supported. Use examples instead."
+            ),
+        ] = _Unset,
+        openapi_examples: Optional[Dict[str, Example]] = None,
+        deprecated: Union[deprecated, str, bool, None] = None,
+        include_in_schema: bool = True,
+        json_schema_extra: Union[Dict[str, Any], None] = None,
+        **extra: Any,
+    ):
+        if example is not _Unset:
+            warnings.warn(
+                "`example` has been deprecated, please use `examples` instead",
+                category=DeprecationWarning,
+                stacklevel=4,
+            )
+        self.example = example
+        self.include_in_schema = include_in_schema
+        self.openapi_examples = openapi_examples
+        kwargs = dict(
+            default=default,
+            default_factory=default_factory,
+            alias=alias,
+            title=title,
+            description=description,
+            gt=gt,
+            ge=ge,
+            lt=lt,
+            le=le,
+            min_length=min_length,
+            max_length=max_length,
+            discriminator=discriminator,
+            multiple_of=multiple_of,
+            allow_inf_nan=allow_inf_nan,
+            max_digits=max_digits,
+            decimal_places=decimal_places,
+            **extra,
+        )
+        if examples is not None:
+            kwargs["examples"] = examples
+        if regex is not None:
+            warnings.warn(
+                "`regex` has been deprecated, please use `pattern` instead",
+                category=DeprecationWarning,
+                stacklevel=4,
+            )
+        current_json_schema_extra = json_schema_extra or extra
+        if PYDANTIC_VERSION_MINOR_TUPLE < (2, 7):
+            self.deprecated = deprecated
+        else:
+            kwargs["deprecated"] = deprecated
+        if PYDANTIC_V2:
+            kwargs.update(
+                {
+                    "annotation": annotation,
+                    "alias_priority": alias_priority,
+                    "validation_alias": validation_alias,
+                    "serialization_alias": serialization_alias,
+                    "strict": strict,
+                    "json_schema_extra": current_json_schema_extra,
+                }
+            )
+            kwargs["pattern"] = pattern or regex
+        else:
+            kwargs["regex"] = pattern or regex
+            kwargs.update(**current_json_schema_extra)
+        use_kwargs = {k: v for k, v in kwargs.items() if v is not _Unset}
+
+        super().__init__(**use_kwargs)
+
+    def __repr__(self) -> str:
+        return f"{self.__class__.__name__}({self.default})"
+
+
+class Path(Param):  # type: ignore[misc]
+    in_ = ParamTypes.path
+
+    def __init__(
+        self,
+        default: Any = ...,
+        *,
+        default_factory: Union[Callable[[], Any], None] = _Unset,
+        annotation: Optional[Any] = None,
+        alias: Optional[str] = None,
+        alias_priority: Union[int, None] = _Unset,
+        # TODO: update when deprecating Pydantic v1, import these types
+        # validation_alias: str | AliasPath | AliasChoices | None
+        validation_alias: Union[str, None] = None,
+        serialization_alias: Union[str, None] = None,
+        title: Optional[str] = None,
+        description: Optional[str] = None,
+        gt: Optional[float] = None,
+        ge: Optional[float] = None,
+        lt: Optional[float] = None,
+        le: Optional[float] = None,
+        min_length: Optional[int] = None,
+        max_length: Optional[int] = None,
+        pattern: Optional[str] = None,
+        regex: Annotated[
+            Optional[str],
+            deprecated(
+                "Deprecated in FastAPI 0.100.0 and Pydantic v2, use `pattern` instead."
+            ),
+        ] = None,
+        discriminator: Union[str, None] = None,
+        strict: Union[bool, None] = _Unset,
+        multiple_of: Union[float, None] = _Unset,
+        allow_inf_nan: Union[bool, None] = _Unset,
+        max_digits: Union[int, None] = _Unset,
+        decimal_places: Union[int, None] = _Unset,
+        examples: Optional[List[Any]] = None,
+        example: Annotated[
+            Optional[Any],
+            deprecated(
+                "Deprecated in OpenAPI 3.1.0 that now uses JSON Schema 2020-12, "
+                "although still supported. Use examples instead."
+            ),
+        ] = _Unset,
+        openapi_examples: Optional[Dict[str, Example]] = None,
+        deprecated: Union[deprecated, str, bool, None] = None,
+        include_in_schema: bool = True,
+        json_schema_extra: Union[Dict[str, Any], None] = None,
+        **extra: Any,
+    ):
+        assert default is ..., "Path parameters cannot have a default value"
+        self.in_ = self.in_
+        super().__init__(
+            default=default,
+            default_factory=default_factory,
+            annotation=annotation,
+            alias=alias,
+            alias_priority=alias_priority,
+            validation_alias=validation_alias,
+            serialization_alias=serialization_alias,
+            title=title,
+            description=description,
+            gt=gt,
+            ge=ge,
+            lt=lt,
+            le=le,
+            min_length=min_length,
+            max_length=max_length,
+            pattern=pattern,
+            regex=regex,
+            discriminator=discriminator,
+            strict=strict,
+            multiple_of=multiple_of,
+            allow_inf_nan=allow_inf_nan,
+            max_digits=max_digits,
+            decimal_places=decimal_places,
+            deprecated=deprecated,
+            example=example,
+            examples=examples,
+            openapi_examples=openapi_examples,
+            include_in_schema=include_in_schema,
+            json_schema_extra=json_schema_extra,
+            **extra,
+        )
+
+
+class Query(Param):  # type: ignore[misc]
+    in_ = ParamTypes.query
+
+    def __init__(
+        self,
+        default: Any = Undefined,
+        *,
+        default_factory: Union[Callable[[], Any], None] = _Unset,
+        annotation: Optional[Any] = None,
+        alias: Optional[str] = None,
+        alias_priority: Union[int, None] = _Unset,
+        # TODO: update when deprecating Pydantic v1, import these types
+        # validation_alias: str | AliasPath | AliasChoices | None
+        validation_alias: Union[str, None] = None,
+        serialization_alias: Union[str, None] = None,
+        title: Optional[str] = None,
+        description: Optional[str] = None,
+        gt: Optional[float] = None,
+        ge: Optional[float] = None,
+        lt: Optional[float] = None,
+        le: Optional[float] = None,
+        min_length: Optional[int] = None,
+        max_length: Optional[int] = None,
+        pattern: Optional[str] = None,
+        regex: Annotated[
+            Optional[str],
+            deprecated(
+                "Deprecated in FastAPI 0.100.0 and Pydantic v2, use `pattern` instead."
+            ),
+        ] = None,
+        discriminator: Union[str, None] = None,
+        strict: Union[bool, None] = _Unset,
+        multiple_of: Union[float, None] = _Unset,
+        allow_inf_nan: Union[bool, None] = _Unset,
+        max_digits: Union[int, None] = _Unset,
+        decimal_places: Union[int, None] = _Unset,
+        examples: Optional[List[Any]] = None,
+        example: Annotated[
+            Optional[Any],
+            deprecated(
+                "Deprecated in OpenAPI 3.1.0 that now uses JSON Schema 2020-12, "
+                "although still supported. Use examples instead."
+            ),
+        ] = _Unset,
+        openapi_examples: Optional[Dict[str, Example]] = None,
+        deprecated: Union[deprecated, str, bool, None] = None,
+        include_in_schema: bool = True,
+        json_schema_extra: Union[Dict[str, Any], None] = None,
+        **extra: Any,
+    ):
+        super().__init__(
+            default=default,
+            default_factory=default_factory,
+            annotation=annotation,
+            alias=alias,
+            alias_priority=alias_priority,
+            validation_alias=validation_alias,
+            serialization_alias=serialization_alias,
+            title=title,
+            description=description,
+            gt=gt,
+            ge=ge,
+            lt=lt,
+            le=le,
+            min_length=min_length,
+            max_length=max_length,
+            pattern=pattern,
+            regex=regex,
+            discriminator=discriminator,
+            strict=strict,
+            multiple_of=multiple_of,
+            allow_inf_nan=allow_inf_nan,
+            max_digits=max_digits,
+            decimal_places=decimal_places,
+            deprecated=deprecated,
+            example=example,
+            examples=examples,
+            openapi_examples=openapi_examples,
+            include_in_schema=include_in_schema,
+            json_schema_extra=json_schema_extra,
+            **extra,
+        )
+
+
+class Header(Param):  # type: ignore[misc]
+    in_ = ParamTypes.header
+
+    def __init__(
+        self,
+        default: Any = Undefined,
+        *,
+        default_factory: Union[Callable[[], Any], None] = _Unset,
+        annotation: Optional[Any] = None,
+        alias: Optional[str] = None,
+        alias_priority: Union[int, None] = _Unset,
+        # TODO: update when deprecating Pydantic v1, import these types
+        # validation_alias: str | AliasPath | AliasChoices | None
+        validation_alias: Union[str, None] = None,
+        serialization_alias: Union[str, None] = None,
+        convert_underscores: bool = True,
+        title: Optional[str] = None,
+        description: Optional[str] = None,
+        gt: Optional[float] = None,
+        ge: Optional[float] = None,
+        lt: Optional[float] = None,
+        le: Optional[float] = None,
+        min_length: Optional[int] = None,
+        max_length: Optional[int] = None,
+        pattern: Optional[str] = None,
+        regex: Annotated[
+            Optional[str],
+            deprecated(
+                "Deprecated in FastAPI 0.100.0 and Pydantic v2, use `pattern` instead."
+            ),
+        ] = None,
+        discriminator: Union[str, None] = None,
+        strict: Union[bool, None] = _Unset,
+        multiple_of: Union[float, None] = _Unset,
+        allow_inf_nan: Union[bool, None] = _Unset,
+        max_digits: Union[int, None] = _Unset,
+        decimal_places: Union[int, None] = _Unset,
+        examples: Optional[List[Any]] = None,
+        example: Annotated[
+            Optional[Any],
+            deprecated(
+                "Deprecated in OpenAPI 3.1.0 that now uses JSON Schema 2020-12, "
+                "although still supported. Use examples instead."
+            ),
+        ] = _Unset,
+        openapi_examples: Optional[Dict[str, Example]] = None,
+        deprecated: Union[deprecated, str, bool, None] = None,
+        include_in_schema: bool = True,
+        json_schema_extra: Union[Dict[str, Any], None] = None,
+        **extra: Any,
+    ):
+        self.convert_underscores = convert_underscores
+        super().__init__(
+            default=default,
+            default_factory=default_factory,
+            annotation=annotation,
+            alias=alias,
+            alias_priority=alias_priority,
+            validation_alias=validation_alias,
+            serialization_alias=serialization_alias,
+            title=title,
+            description=description,
+            gt=gt,
+            ge=ge,
+            lt=lt,
+            le=le,
+            min_length=min_length,
+            max_length=max_length,
+            pattern=pattern,
+            regex=regex,
+            discriminator=discriminator,
+            strict=strict,
+            multiple_of=multiple_of,
+            allow_inf_nan=allow_inf_nan,
+            max_digits=max_digits,
+            decimal_places=decimal_places,
+            deprecated=deprecated,
+            example=example,
+            examples=examples,
+            openapi_examples=openapi_examples,
+            include_in_schema=include_in_schema,
+            json_schema_extra=json_schema_extra,
+            **extra,
+        )
+
+
+class Cookie(Param):  # type: ignore[misc]
+    in_ = ParamTypes.cookie
+
+    def __init__(
+        self,
+        default: Any = Undefined,
+        *,
+        default_factory: Union[Callable[[], Any], None] = _Unset,
+        annotation: Optional[Any] = None,
+        alias: Optional[str] = None,
+        alias_priority: Union[int, None] = _Unset,
+        # TODO: update when deprecating Pydantic v1, import these types
+        # validation_alias: str | AliasPath | AliasChoices | None
+        validation_alias: Union[str, None] = None,
+        serialization_alias: Union[str, None] = None,
+        title: Optional[str] = None,
+        description: Optional[str] = None,
+        gt: Optional[float] = None,
+        ge: Optional[float] = None,
+        lt: Optional[float] = None,
+        le: Optional[float] = None,
+        min_length: Optional[int] = None,
+        max_length: Optional[int] = None,
+        pattern: Optional[str] = None,
+        regex: Annotated[
+            Optional[str],
+            deprecated(
+                "Deprecated in FastAPI 0.100.0 and Pydantic v2, use `pattern` instead."
+            ),
+        ] = None,
+        discriminator: Union[str, None] = None,
+        strict: Union[bool, None] = _Unset,
+        multiple_of: Union[float, None] = _Unset,
+        allow_inf_nan: Union[bool, None] = _Unset,
+        max_digits: Union[int, None] = _Unset,
+        decimal_places: Union[int, None] = _Unset,
+        examples: Optional[List[Any]] = None,
+        example: Annotated[
+            Optional[Any],
+            deprecated(
+                "Deprecated in OpenAPI 3.1.0 that now uses JSON Schema 2020-12, "
+                "although still supported. Use examples instead."
+            ),
+        ] = _Unset,
+        openapi_examples: Optional[Dict[str, Example]] = None,
+        deprecated: Union[deprecated, str, bool, None] = None,
+        include_in_schema: bool = True,
+        json_schema_extra: Union[Dict[str, Any], None] = None,
+        **extra: Any,
+    ):
+        super().__init__(
+            default=default,
+            default_factory=default_factory,
+            annotation=annotation,
+            alias=alias,
+            alias_priority=alias_priority,
+            validation_alias=validation_alias,
+            serialization_alias=serialization_alias,
+            title=title,
+            description=description,
+            gt=gt,
+            ge=ge,
+            lt=lt,
+            le=le,
+            min_length=min_length,
+            max_length=max_length,
+            pattern=pattern,
+            regex=regex,
+            discriminator=discriminator,
+            strict=strict,
+            multiple_of=multiple_of,
+            allow_inf_nan=allow_inf_nan,
+            max_digits=max_digits,
+            decimal_places=decimal_places,
+            deprecated=deprecated,
+            example=example,
+            examples=examples,
+            openapi_examples=openapi_examples,
+            include_in_schema=include_in_schema,
+            json_schema_extra=json_schema_extra,
+            **extra,
+        )
+
+
+class Body(FieldInfo):  # type: ignore[misc]
+    def __init__(
+        self,
+        default: Any = Undefined,
+        *,
+        default_factory: Union[Callable[[], Any], None] = _Unset,
+        annotation: Optional[Any] = None,
+        embed: Union[bool, None] = None,
+        media_type: str = "application/json",
+        alias: Optional[str] = None,
+        alias_priority: Union[int, None] = _Unset,
+        # TODO: update when deprecating Pydantic v1, import these types
+        # validation_alias: str | AliasPath | AliasChoices | None
+        validation_alias: Union[str, None] = None,
+        serialization_alias: Union[str, None] = None,
+        title: Optional[str] = None,
+        description: Optional[str] = None,
+        gt: Optional[float] = None,
+        ge: Optional[float] = None,
+        lt: Optional[float] = None,
+        le: Optional[float] = None,
+        min_length: Optional[int] = None,
+        max_length: Optional[int] = None,
+        pattern: Optional[str] = None,
+        regex: Annotated[
+            Optional[str],
+            deprecated(
+                "Deprecated in FastAPI 0.100.0 and Pydantic v2, use `pattern` instead."
+            ),
+        ] = None,
+        discriminator: Union[str, None] = None,
+        strict: Union[bool, None] = _Unset,
+        multiple_of: Union[float, None] = _Unset,
+        allow_inf_nan: Union[bool, None] = _Unset,
+        max_digits: Union[int, None] = _Unset,
+        decimal_places: Union[int, None] = _Unset,
+        examples: Optional[List[Any]] = None,
+        example: Annotated[
+            Optional[Any],
+            deprecated(
+                "Deprecated in OpenAPI 3.1.0 that now uses JSON Schema 2020-12, "
+                "although still supported. Use examples instead."
+            ),
+        ] = _Unset,
+        openapi_examples: Optional[Dict[str, Example]] = None,
+        deprecated: Union[deprecated, str, bool, None] = None,
+        include_in_schema: bool = True,
+        json_schema_extra: Union[Dict[str, Any], None] = None,
+        **extra: Any,
+    ):
+        self.embed = embed
+        self.media_type = media_type
+        if example is not _Unset:
+            warnings.warn(
+                "`example` has been deprecated, please use `examples` instead",
+                category=DeprecationWarning,
+                stacklevel=4,
+            )
+        self.example = example
+        self.include_in_schema = include_in_schema
+        self.openapi_examples = openapi_examples
+        kwargs = dict(
+            default=default,
+            default_factory=default_factory,
+            alias=alias,
+            title=title,
+            description=description,
+            gt=gt,
+            ge=ge,
+            lt=lt,
+            le=le,
+            min_length=min_length,
+            max_length=max_length,
+            discriminator=discriminator,
+            multiple_of=multiple_of,
+            allow_inf_nan=allow_inf_nan,
+            max_digits=max_digits,
+            decimal_places=decimal_places,
+            **extra,
+        )
+        if examples is not None:
+            kwargs["examples"] = examples
+        if regex is not None:
+            warnings.warn(
+                "`regex` has been deprecated, please use `pattern` instead",
+                category=DeprecationWarning,
+                stacklevel=4,
+            )
+        current_json_schema_extra = json_schema_extra or extra
+        if PYDANTIC_VERSION_MINOR_TUPLE < (2, 7):
+            self.deprecated = deprecated
+        else:
+            kwargs["deprecated"] = deprecated
+        if PYDANTIC_V2:
+            kwargs.update(
+                {
+                    "annotation": annotation,
+                    "alias_priority": alias_priority,
+                    "validation_alias": validation_alias,
+                    "serialization_alias": serialization_alias,
+                    "strict": strict,
+                    "json_schema_extra": current_json_schema_extra,
+                }
+            )
+            kwargs["pattern"] = pattern or regex
+        else:
+            kwargs["regex"] = pattern or regex
+            kwargs.update(**current_json_schema_extra)
+
+        use_kwargs = {k: v for k, v in kwargs.items() if v is not _Unset}
+
+        super().__init__(**use_kwargs)
+
+    def __repr__(self) -> str:
+        return f"{self.__class__.__name__}({self.default})"
+
+
+class Form(Body):  # type: ignore[misc]
+    def __init__(
+        self,
+        default: Any = Undefined,
+        *,
+        default_factory: Union[Callable[[], Any], None] = _Unset,
+        annotation: Optional[Any] = None,
+        media_type: str = "application/x-www-form-urlencoded",
+        alias: Optional[str] = None,
+        alias_priority: Union[int, None] = _Unset,
+        # TODO: update when deprecating Pydantic v1, import these types
+        # validation_alias: str | AliasPath | AliasChoices | None
+        validation_alias: Union[str, None] = None,
+        serialization_alias: Union[str, None] = None,
+        title: Optional[str] = None,
+        description: Optional[str] = None,
+        gt: Optional[float] = None,
+        ge: Optional[float] = None,
+        lt: Optional[float] = None,
+        le: Optional[float] = None,
+        min_length: Optional[int] = None,
+        max_length: Optional[int] = None,
+        pattern: Optional[str] = None,
+        regex: Annotated[
+            Optional[str],
+            deprecated(
+                "Deprecated in FastAPI 0.100.0 and Pydantic v2, use `pattern` instead."
+            ),
+        ] = None,
+        discriminator: Union[str, None] = None,
+        strict: Union[bool, None] = _Unset,
+        multiple_of: Union[float, None] = _Unset,
+        allow_inf_nan: Union[bool, None] = _Unset,
+        max_digits: Union[int, None] = _Unset,
+        decimal_places: Union[int, None] = _Unset,
+        examples: Optional[List[Any]] = None,
+        example: Annotated[
+            Optional[Any],
+            deprecated(
+                "Deprecated in OpenAPI 3.1.0 that now uses JSON Schema 2020-12, "
+                "although still supported. Use examples instead."
+            ),
+        ] = _Unset,
+        openapi_examples: Optional[Dict[str, Example]] = None,
+        deprecated: Union[deprecated, str, bool, None] = None,
+        include_in_schema: bool = True,
+        json_schema_extra: Union[Dict[str, Any], None] = None,
+        **extra: Any,
+    ):
+        super().__init__(
+            default=default,
+            default_factory=default_factory,
+            annotation=annotation,
+            media_type=media_type,
+            alias=alias,
+            alias_priority=alias_priority,
+            validation_alias=validation_alias,
+            serialization_alias=serialization_alias,
+            title=title,
+            description=description,
+            gt=gt,
+            ge=ge,
+            lt=lt,
+            le=le,
+            min_length=min_length,
+            max_length=max_length,
+            pattern=pattern,
+            regex=regex,
+            discriminator=discriminator,
+            strict=strict,
+            multiple_of=multiple_of,
+            allow_inf_nan=allow_inf_nan,
+            max_digits=max_digits,
+            decimal_places=decimal_places,
+            deprecated=deprecated,
+            example=example,
+            examples=examples,
+            openapi_examples=openapi_examples,
+            include_in_schema=include_in_schema,
+            json_schema_extra=json_schema_extra,
+            **extra,
+        )
+
+
+class File(Form):  # type: ignore[misc]
+    def __init__(
+        self,
+        default: Any = Undefined,
+        *,
+        default_factory: Union[Callable[[], Any], None] = _Unset,
+        annotation: Optional[Any] = None,
+        media_type: str = "multipart/form-data",
+        alias: Optional[str] = None,
+        alias_priority: Union[int, None] = _Unset,
+        # TODO: update when deprecating Pydantic v1, import these types
+        # validation_alias: str | AliasPath | AliasChoices | None
+        validation_alias: Union[str, None] = None,
+        serialization_alias: Union[str, None] = None,
+        title: Optional[str] = None,
+        description: Optional[str] = None,
+        gt: Optional[float] = None,
+        ge: Optional[float] = None,
+        lt: Optional[float] = None,
+        le: Optional[float] = None,
+        min_length: Optional[int] = None,
+        max_length: Optional[int] = None,
+        pattern: Optional[str] = None,
+        regex: Annotated[
+            Optional[str],
+            deprecated(
+                "Deprecated in FastAPI 0.100.0 and Pydantic v2, use `pattern` instead."
+            ),
+        ] = None,
+        discriminator: Union[str, None] = None,
+        strict: Union[bool, None] = _Unset,
+        multiple_of: Union[float, None] = _Unset,
+        allow_inf_nan: Union[bool, None] = _Unset,
+        max_digits: Union[int, None] = _Unset,
+        decimal_places: Union[int, None] = _Unset,
+        examples: Optional[List[Any]] = None,
+        example: Annotated[
+            Optional[Any],
+            deprecated(
+                "Deprecated in OpenAPI 3.1.0 that now uses JSON Schema 2020-12, "
+                "although still supported. Use examples instead."
+            ),
+        ] = _Unset,
+        openapi_examples: Optional[Dict[str, Example]] = None,
+        deprecated: Union[deprecated, str, bool, None] = None,
+        include_in_schema: bool = True,
+        json_schema_extra: Union[Dict[str, Any], None] = None,
+        **extra: Any,
+    ):
+        super().__init__(
+            default=default,
+            default_factory=default_factory,
+            annotation=annotation,
+            media_type=media_type,
+            alias=alias,
+            alias_priority=alias_priority,
+            validation_alias=validation_alias,
+            serialization_alias=serialization_alias,
+            title=title,
+            description=description,
+            gt=gt,
+            ge=ge,
+            lt=lt,
+            le=le,
+            min_length=min_length,
+            max_length=max_length,
+            pattern=pattern,
+            regex=regex,
+            discriminator=discriminator,
+            strict=strict,
+            multiple_of=multiple_of,
+            allow_inf_nan=allow_inf_nan,
+            max_digits=max_digits,
+            decimal_places=decimal_places,
+            deprecated=deprecated,
+            example=example,
+            examples=examples,
+            openapi_examples=openapi_examples,
+            include_in_schema=include_in_schema,
+            json_schema_extra=json_schema_extra,
+            **extra,
+        )
+
+
+@dataclass
+class Depends:
+    dependency: Optional[Callable[..., Any]] = None
+    use_cache: bool = True
+    scope: Union[Literal["function", "request"], None] = None
+
+
+@dataclass
+class Security(Depends):
+    scopes: Optional[Sequence[str]] = None

backend_service/venv/lib/python3.13/site-packages/fastapi/requests.py

@@ -0,0 +1,2 @@
+from starlette.requests import HTTPConnection as HTTPConnection  # noqa: F401
+from starlette.requests import Request as Request  # noqa: F401

backend_service/venv/lib/python3.13/site-packages/fastapi/responses.py

@@ -0,0 +1,48 @@
+from typing import Any
+
+from starlette.responses import FileResponse as FileResponse  # noqa
+from starlette.responses import HTMLResponse as HTMLResponse  # noqa
+from starlette.responses import JSONResponse as JSONResponse  # noqa
+from starlette.responses import PlainTextResponse as PlainTextResponse  # noqa
+from starlette.responses import RedirectResponse as RedirectResponse  # noqa
+from starlette.responses import Response as Response  # noqa
+from starlette.responses import StreamingResponse as StreamingResponse  # noqa
+
+try:
+    import ujson
+except ImportError:  # pragma: nocover
+    ujson = None  # type: ignore
+
+
+try:
+    import orjson
+except ImportError:  # pragma: nocover
+    orjson = None  # type: ignore
+
+
+class UJSONResponse(JSONResponse):
+    """
+    JSON response using the high-performance ujson library to serialize data to JSON.
+
+    Read more about it in the
+    [FastAPI docs for Custom Response - HTML, Stream, File, others](https://fastapi.tiangolo.com/advanced/custom-response/).
+    """
+
+    def render(self, content: Any) -> bytes:
+        assert ujson is not None, "ujson must be installed to use UJSONResponse"
+        return ujson.dumps(content, ensure_ascii=False).encode("utf-8")
+
+
+class ORJSONResponse(JSONResponse):
+    """
+    JSON response using the high-performance orjson library to serialize data to JSON.
+
+    Read more about it in the
+    [FastAPI docs for Custom Response - HTML, Stream, File, others](https://fastapi.tiangolo.com/advanced/custom-response/).
+    """
+
+    def render(self, content: Any) -> bytes:
+        assert orjson is not None, "orjson must be installed to use ORJSONResponse"
+        return orjson.dumps(
+            content, option=orjson.OPT_NON_STR_KEYS | orjson.OPT_SERIALIZE_NUMPY
+        )

backend_service/venv/lib/python3.13/site-packages/fastapi/security/__init__.py

@@ -0,0 +1,15 @@
+from .api_key import APIKeyCookie as APIKeyCookie
+from .api_key import APIKeyHeader as APIKeyHeader
+from .api_key import APIKeyQuery as APIKeyQuery
+from .http import HTTPAuthorizationCredentials as HTTPAuthorizationCredentials
+from .http import HTTPBasic as HTTPBasic
+from .http import HTTPBasicCredentials as HTTPBasicCredentials
+from .http import HTTPBearer as HTTPBearer
+from .http import HTTPDigest as HTTPDigest
+from .oauth2 import OAuth2 as OAuth2
+from .oauth2 import OAuth2AuthorizationCodeBearer as OAuth2AuthorizationCodeBearer
+from .oauth2 import OAuth2PasswordBearer as OAuth2PasswordBearer
+from .oauth2 import OAuth2PasswordRequestForm as OAuth2PasswordRequestForm
+from .oauth2 import OAuth2PasswordRequestFormStrict as OAuth2PasswordRequestFormStrict
+from .oauth2 import SecurityScopes as SecurityScopes
+from .open_id_connect_url import OpenIdConnect as OpenIdConnect

backend_service/venv/lib/python3.13/site-packages/fastapi/security/api_key.py

@@ -0,0 +1,289 @@
+from typing import Optional
+
+from annotated_doc import Doc
+from fastapi.openapi.models import APIKey, APIKeyIn
+from fastapi.security.base import SecurityBase
+from starlette.exceptions import HTTPException
+from starlette.requests import Request
+from starlette.status import HTTP_403_FORBIDDEN
+from typing_extensions import Annotated
+
+
+class APIKeyBase(SecurityBase):
+    @staticmethod
+    def check_api_key(api_key: Optional[str], auto_error: bool) -> Optional[str]:
+        if not api_key:
+            if auto_error:
+                raise HTTPException(
+                    status_code=HTTP_403_FORBIDDEN, detail="Not authenticated"
+                )
+            return None
+        return api_key
+
+
+class APIKeyQuery(APIKeyBase):
+    """
+    API key authentication using a query parameter.
+
+    This defines the name of the query parameter that should be provided in the request
+    with the API key and integrates that into the OpenAPI documentation. It extracts
+    the key value sent in the query parameter automatically and provides it as the
+    dependency result. But it doesn't define how to send that API key to the client.
+
+    ## Usage
+
+    Create an instance object and use that object as the dependency in `Depends()`.
+
+    The dependency result will be a string containing the key value.
+
+    ## Example
+
+    ```python
+    from fastapi import Depends, FastAPI
+    from fastapi.security import APIKeyQuery
+
+    app = FastAPI()
+
+    query_scheme = APIKeyQuery(name="api_key")
+
+
+    @app.get("/items/")
+    async def read_items(api_key: str = Depends(query_scheme)):
+        return {"api_key": api_key}
+    ```
+    """
+
+    def __init__(
+        self,
+        *,
+        name: Annotated[
+            str,
+            Doc("Query parameter name."),
+        ],
+        scheme_name: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme name.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        description: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme description.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        auto_error: Annotated[
+            bool,
+            Doc(
+                """
+                By default, if the query parameter is not provided, `APIKeyQuery` will
+                automatically cancel the request and send the client an error.
+
+                If `auto_error` is set to `False`, when the query parameter is not
+                available, instead of erroring out, the dependency result will be
+                `None`.
+
+                This is useful when you want to have optional authentication.
+
+                It is also useful when you want to have authentication that can be
+                provided in one of multiple optional ways (for example, in a query
+                parameter or in an HTTP Bearer token).
+                """
+            ),
+        ] = True,
+    ):
+        self.model: APIKey = APIKey(
+            **{"in": APIKeyIn.query},
+            name=name,
+            description=description,
+        )
+        self.scheme_name = scheme_name or self.__class__.__name__
+        self.auto_error = auto_error
+
+    async def __call__(self, request: Request) -> Optional[str]:
+        api_key = request.query_params.get(self.model.name)
+        return self.check_api_key(api_key, self.auto_error)
+
+
+class APIKeyHeader(APIKeyBase):
+    """
+    API key authentication using a header.
+
+    This defines the name of the header that should be provided in the request with
+    the API key and integrates that into the OpenAPI documentation. It extracts
+    the key value sent in the header automatically and provides it as the dependency
+    result. But it doesn't define how to send that key to the client.
+
+    ## Usage
+
+    Create an instance object and use that object as the dependency in `Depends()`.
+
+    The dependency result will be a string containing the key value.
+
+    ## Example
+
+    ```python
+    from fastapi import Depends, FastAPI
+    from fastapi.security import APIKeyHeader
+
+    app = FastAPI()
+
+    header_scheme = APIKeyHeader(name="x-key")
+
+
+    @app.get("/items/")
+    async def read_items(key: str = Depends(header_scheme)):
+        return {"key": key}
+    ```
+    """
+
+    def __init__(
+        self,
+        *,
+        name: Annotated[str, Doc("Header name.")],
+        scheme_name: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme name.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        description: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme description.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        auto_error: Annotated[
+            bool,
+            Doc(
+                """
+                By default, if the header is not provided, `APIKeyHeader` will
+                automatically cancel the request and send the client an error.
+
+                If `auto_error` is set to `False`, when the header is not available,
+                instead of erroring out, the dependency result will be `None`.
+
+                This is useful when you want to have optional authentication.
+
+                It is also useful when you want to have authentication that can be
+                provided in one of multiple optional ways (for example, in a header or
+                in an HTTP Bearer token).
+                """
+            ),
+        ] = True,
+    ):
+        self.model: APIKey = APIKey(
+            **{"in": APIKeyIn.header},
+            name=name,
+            description=description,
+        )
+        self.scheme_name = scheme_name or self.__class__.__name__
+        self.auto_error = auto_error
+
+    async def __call__(self, request: Request) -> Optional[str]:
+        api_key = request.headers.get(self.model.name)
+        return self.check_api_key(api_key, self.auto_error)
+
+
+class APIKeyCookie(APIKeyBase):
+    """
+    API key authentication using a cookie.
+
+    This defines the name of the cookie that should be provided in the request with
+    the API key and integrates that into the OpenAPI documentation. It extracts
+    the key value sent in the cookie automatically and provides it as the dependency
+    result. But it doesn't define how to set that cookie.
+
+    ## Usage
+
+    Create an instance object and use that object as the dependency in `Depends()`.
+
+    The dependency result will be a string containing the key value.
+
+    ## Example
+
+    ```python
+    from fastapi import Depends, FastAPI
+    from fastapi.security import APIKeyCookie
+
+    app = FastAPI()
+
+    cookie_scheme = APIKeyCookie(name="session")
+
+
+    @app.get("/items/")
+    async def read_items(session: str = Depends(cookie_scheme)):
+        return {"session": session}
+    ```
+    """
+
+    def __init__(
+        self,
+        *,
+        name: Annotated[str, Doc("Cookie name.")],
+        scheme_name: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme name.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        description: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme description.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        auto_error: Annotated[
+            bool,
+            Doc(
+                """
+                By default, if the cookie is not provided, `APIKeyCookie` will
+                automatically cancel the request and send the client an error.
+
+                If `auto_error` is set to `False`, when the cookie is not available,
+                instead of erroring out, the dependency result will be `None`.
+
+                This is useful when you want to have optional authentication.
+
+                It is also useful when you want to have authentication that can be
+                provided in one of multiple optional ways (for example, in a cookie or
+                in an HTTP Bearer token).
+                """
+            ),
+        ] = True,
+    ):
+        self.model: APIKey = APIKey(
+            **{"in": APIKeyIn.cookie},
+            name=name,
+            description=description,
+        )
+        self.scheme_name = scheme_name or self.__class__.__name__
+        self.auto_error = auto_error
+
+    async def __call__(self, request: Request) -> Optional[str]:
+        api_key = request.cookies.get(self.model.name)
+        return self.check_api_key(api_key, self.auto_error)

backend_service/venv/lib/python3.13/site-packages/fastapi/security/base.py

@@ -0,0 +1,6 @@
+from fastapi.openapi.models import SecurityBase as SecurityBaseModel
+
+
+class SecurityBase:
+    model: SecurityBaseModel
+    scheme_name: str

backend_service/venv/lib/python3.13/site-packages/fastapi/security/http.py

@@ -0,0 +1,424 @@
+import binascii
+from base64 import b64decode
+from typing import Optional
+
+from annotated_doc import Doc
+from fastapi.exceptions import HTTPException
+from fastapi.openapi.models import HTTPBase as HTTPBaseModel
+from fastapi.openapi.models import HTTPBearer as HTTPBearerModel
+from fastapi.security.base import SecurityBase
+from fastapi.security.utils import get_authorization_scheme_param
+from pydantic import BaseModel
+from starlette.requests import Request
+from starlette.status import HTTP_401_UNAUTHORIZED, HTTP_403_FORBIDDEN
+from typing_extensions import Annotated
+
+
+class HTTPBasicCredentials(BaseModel):
+    """
+    The HTTP Basic credentials given as the result of using `HTTPBasic` in a
+    dependency.
+
+    Read more about it in the
+    [FastAPI docs for HTTP Basic Auth](https://fastapi.tiangolo.com/advanced/security/http-basic-auth/).
+    """
+
+    username: Annotated[str, Doc("The HTTP Basic username.")]
+    password: Annotated[str, Doc("The HTTP Basic password.")]
+
+
+class HTTPAuthorizationCredentials(BaseModel):
+    """
+    The HTTP authorization credentials in the result of using `HTTPBearer` or
+    `HTTPDigest` in a dependency.
+
+    The HTTP authorization header value is split by the first space.
+
+    The first part is the `scheme`, the second part is the `credentials`.
+
+    For example, in an HTTP Bearer token scheme, the client will send a header
+    like:
+
+    ```
+    Authorization: Bearer deadbeef12346
+    ```
+
+    In this case:
+
+    * `scheme` will have the value `"Bearer"`
+    * `credentials` will have the value `"deadbeef12346"`
+    """
+
+    scheme: Annotated[
+        str,
+        Doc(
+            """
+            The HTTP authorization scheme extracted from the header value.
+            """
+        ),
+    ]
+    credentials: Annotated[
+        str,
+        Doc(
+            """
+            The HTTP authorization credentials extracted from the header value.
+            """
+        ),
+    ]
+
+
+class HTTPBase(SecurityBase):
+    def __init__(
+        self,
+        *,
+        scheme: str,
+        scheme_name: Optional[str] = None,
+        description: Optional[str] = None,
+        auto_error: bool = True,
+    ):
+        self.model = HTTPBaseModel(scheme=scheme, description=description)
+        self.scheme_name = scheme_name or self.__class__.__name__
+        self.auto_error = auto_error
+
+    async def __call__(
+        self, request: Request
+    ) -> Optional[HTTPAuthorizationCredentials]:
+        authorization = request.headers.get("Authorization")
+        scheme, credentials = get_authorization_scheme_param(authorization)
+        if not (authorization and scheme and credentials):
+            if self.auto_error:
+                raise HTTPException(
+                    status_code=HTTP_403_FORBIDDEN, detail="Not authenticated"
+                )
+            else:
+                return None
+        return HTTPAuthorizationCredentials(scheme=scheme, credentials=credentials)
+
+
+class HTTPBasic(HTTPBase):
+    """
+    HTTP Basic authentication.
+
+    ## Usage
+
+    Create an instance object and use that object as the dependency in `Depends()`.
+
+    The dependency result will be an `HTTPBasicCredentials` object containing the
+    `username` and the `password`.
+
+    Read more about it in the
+    [FastAPI docs for HTTP Basic Auth](https://fastapi.tiangolo.com/advanced/security/http-basic-auth/).
+
+    ## Example
+
+    ```python
+    from typing import Annotated
+
+    from fastapi import Depends, FastAPI
+    from fastapi.security import HTTPBasic, HTTPBasicCredentials
+
+    app = FastAPI()
+
+    security = HTTPBasic()
+
+
+    @app.get("/users/me")
+    def read_current_user(credentials: Annotated[HTTPBasicCredentials, Depends(security)]):
+        return {"username": credentials.username, "password": credentials.password}
+    ```
+    """
+
+    def __init__(
+        self,
+        *,
+        scheme_name: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme name.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        realm: Annotated[
+            Optional[str],
+            Doc(
+                """
+                HTTP Basic authentication realm.
+                """
+            ),
+        ] = None,
+        description: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme description.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        auto_error: Annotated[
+            bool,
+            Doc(
+                """
+                By default, if the HTTP Basic authentication is not provided (a
+                header), `HTTPBasic` will automatically cancel the request and send the
+                client an error.
+
+                If `auto_error` is set to `False`, when the HTTP Basic authentication
+                is not available, instead of erroring out, the dependency result will
+                be `None`.
+
+                This is useful when you want to have optional authentication.
+
+                It is also useful when you want to have authentication that can be
+                provided in one of multiple optional ways (for example, in HTTP Basic
+                authentication or in an HTTP Bearer token).
+                """
+            ),
+        ] = True,
+    ):
+        self.model = HTTPBaseModel(scheme="basic", description=description)
+        self.scheme_name = scheme_name or self.__class__.__name__
+        self.realm = realm
+        self.auto_error = auto_error
+
+    async def __call__(  # type: ignore
+        self, request: Request
+    ) -> Optional[HTTPBasicCredentials]:
+        authorization = request.headers.get("Authorization")
+        scheme, param = get_authorization_scheme_param(authorization)
+        if self.realm:
+            unauthorized_headers = {"WWW-Authenticate": f'Basic realm="{self.realm}"'}
+        else:
+            unauthorized_headers = {"WWW-Authenticate": "Basic"}
+        if not authorization or scheme.lower() != "basic":
+            if self.auto_error:
+                raise HTTPException(
+                    status_code=HTTP_401_UNAUTHORIZED,
+                    detail="Not authenticated",
+                    headers=unauthorized_headers,
+                )
+            else:
+                return None
+        invalid_user_credentials_exc = HTTPException(
+            status_code=HTTP_401_UNAUTHORIZED,
+            detail="Invalid authentication credentials",
+            headers=unauthorized_headers,
+        )
+        try:
+            data = b64decode(param).decode("ascii")
+        except (ValueError, UnicodeDecodeError, binascii.Error):
+            raise invalid_user_credentials_exc  # noqa: B904
+        username, separator, password = data.partition(":")
+        if not separator:
+            raise invalid_user_credentials_exc
+        return HTTPBasicCredentials(username=username, password=password)
+
+
+class HTTPBearer(HTTPBase):
+    """
+    HTTP Bearer token authentication.
+
+    ## Usage
+
+    Create an instance object and use that object as the dependency in `Depends()`.
+
+    The dependency result will be an `HTTPAuthorizationCredentials` object containing
+    the `scheme` and the `credentials`.
+
+    ## Example
+
+    ```python
+    from typing import Annotated
+
+    from fastapi import Depends, FastAPI
+    from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
+
+    app = FastAPI()
+
+    security = HTTPBearer()
+
+
+    @app.get("/users/me")
+    def read_current_user(
+        credentials: Annotated[HTTPAuthorizationCredentials, Depends(security)]
+    ):
+        return {"scheme": credentials.scheme, "credentials": credentials.credentials}
+    ```
+    """
+
+    def __init__(
+        self,
+        *,
+        bearerFormat: Annotated[Optional[str], Doc("Bearer token format.")] = None,
+        scheme_name: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme name.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        description: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme description.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        auto_error: Annotated[
+            bool,
+            Doc(
+                """
+                By default, if the HTTP Bearer token is not provided (in an
+                `Authorization` header), `HTTPBearer` will automatically cancel the
+                request and send the client an error.
+
+                If `auto_error` is set to `False`, when the HTTP Bearer token
+                is not available, instead of erroring out, the dependency result will
+                be `None`.
+
+                This is useful when you want to have optional authentication.
+
+                It is also useful when you want to have authentication that can be
+                provided in one of multiple optional ways (for example, in an HTTP
+                Bearer token or in a cookie).
+                """
+            ),
+        ] = True,
+    ):
+        self.model = HTTPBearerModel(bearerFormat=bearerFormat, description=description)
+        self.scheme_name = scheme_name or self.__class__.__name__
+        self.auto_error = auto_error
+
+    async def __call__(
+        self, request: Request
+    ) -> Optional[HTTPAuthorizationCredentials]:
+        authorization = request.headers.get("Authorization")
+        scheme, credentials = get_authorization_scheme_param(authorization)
+        if not (authorization and scheme and credentials):
+            if self.auto_error:
+                raise HTTPException(
+                    status_code=HTTP_403_FORBIDDEN, detail="Not authenticated"
+                )
+            else:
+                return None
+        if scheme.lower() != "bearer":
+            if self.auto_error:
+                raise HTTPException(
+                    status_code=HTTP_403_FORBIDDEN,
+                    detail="Invalid authentication credentials",
+                )
+            else:
+                return None
+        return HTTPAuthorizationCredentials(scheme=scheme, credentials=credentials)
+
+
+class HTTPDigest(HTTPBase):
+    """
+    HTTP Digest authentication.
+
+    ## Usage
+
+    Create an instance object and use that object as the dependency in `Depends()`.
+
+    The dependency result will be an `HTTPAuthorizationCredentials` object containing
+    the `scheme` and the `credentials`.
+
+    ## Example
+
+    ```python
+    from typing import Annotated
+
+    from fastapi import Depends, FastAPI
+    from fastapi.security import HTTPAuthorizationCredentials, HTTPDigest
+
+    app = FastAPI()
+
+    security = HTTPDigest()
+
+
+    @app.get("/users/me")
+    def read_current_user(
+        credentials: Annotated[HTTPAuthorizationCredentials, Depends(security)]
+    ):
+        return {"scheme": credentials.scheme, "credentials": credentials.credentials}
+    ```
+    """
+
+    def __init__(
+        self,
+        *,
+        scheme_name: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme name.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        description: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme description.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        auto_error: Annotated[
+            bool,
+            Doc(
+                """
+                By default, if the HTTP Digest is not provided, `HTTPDigest` will
+                automatically cancel the request and send the client an error.
+
+                If `auto_error` is set to `False`, when the HTTP Digest is not
+                available, instead of erroring out, the dependency result will
+                be `None`.
+
+                This is useful when you want to have optional authentication.
+
+                It is also useful when you want to have authentication that can be
+                provided in one of multiple optional ways (for example, in HTTP
+                Digest or in a cookie).
+                """
+            ),
+        ] = True,
+    ):
+        self.model = HTTPBaseModel(scheme="digest", description=description)
+        self.scheme_name = scheme_name or self.__class__.__name__
+        self.auto_error = auto_error
+
+    async def __call__(
+        self, request: Request
+    ) -> Optional[HTTPAuthorizationCredentials]:
+        authorization = request.headers.get("Authorization")
+        scheme, credentials = get_authorization_scheme_param(authorization)
+        if not (authorization and scheme and credentials):
+            if self.auto_error:
+                raise HTTPException(
+                    status_code=HTTP_403_FORBIDDEN, detail="Not authenticated"
+                )
+            else:
+                return None
+        if scheme.lower() != "digest":
+            if self.auto_error:
+                raise HTTPException(
+                    status_code=HTTP_403_FORBIDDEN,
+                    detail="Invalid authentication credentials",
+                )
+            else:
+                return None
+        return HTTPAuthorizationCredentials(scheme=scheme, credentials=credentials)

backend_service/venv/lib/python3.13/site-packages/fastapi/security/oauth2.py

@@ -0,0 +1,654 @@
+from typing import Any, Dict, List, Optional, Union, cast
+
+from annotated_doc import Doc
+from fastapi.exceptions import HTTPException
+from fastapi.openapi.models import OAuth2 as OAuth2Model
+from fastapi.openapi.models import OAuthFlows as OAuthFlowsModel
+from fastapi.param_functions import Form
+from fastapi.security.base import SecurityBase
+from fastapi.security.utils import get_authorization_scheme_param
+from starlette.requests import Request
+from starlette.status import HTTP_401_UNAUTHORIZED, HTTP_403_FORBIDDEN
+
+# TODO: import from typing when deprecating Python 3.9
+from typing_extensions import Annotated
+
+
+class OAuth2PasswordRequestForm:
+    """
+    This is a dependency class to collect the `username` and `password` as form data
+    for an OAuth2 password flow.
+
+    The OAuth2 specification dictates that for a password flow the data should be
+    collected using form data (instead of JSON) and that it should have the specific
+    fields `username` and `password`.
+
+    All the initialization parameters are extracted from the request.
+
+    Read more about it in the
+    [FastAPI docs for Simple OAuth2 with Password and Bearer](https://fastapi.tiangolo.com/tutorial/security/simple-oauth2/).
+
+    ## Example
+
+    ```python
+    from typing import Annotated
+
+    from fastapi import Depends, FastAPI
+    from fastapi.security import OAuth2PasswordRequestForm
+
+    app = FastAPI()
+
+
+    @app.post("/login")
+    def login(form_data: Annotated[OAuth2PasswordRequestForm, Depends()]):
+        data = {}
+        data["scopes"] = []
+        for scope in form_data.scopes:
+            data["scopes"].append(scope)
+        if form_data.client_id:
+            data["client_id"] = form_data.client_id
+        if form_data.client_secret:
+            data["client_secret"] = form_data.client_secret
+        return data
+    ```
+
+    Note that for OAuth2 the scope `items:read` is a single scope in an opaque string.
+    You could have custom internal logic to separate it by colon characters (`:`) or
+    similar, and get the two parts `items` and `read`. Many applications do that to
+    group and organize permissions, you could do it as well in your application, just
+    know that that it is application specific, it's not part of the specification.
+    """
+
+    def __init__(
+        self,
+        *,
+        grant_type: Annotated[
+            Union[str, None],
+            Form(pattern="^password$"),
+            Doc(
+                """
+                The OAuth2 spec says it is required and MUST be the fixed string
+                "password". Nevertheless, this dependency class is permissive and
+                allows not passing it. If you want to enforce it, use instead the
+                `OAuth2PasswordRequestFormStrict` dependency.
+                """
+            ),
+        ] = None,
+        username: Annotated[
+            str,
+            Form(),
+            Doc(
+                """
+                `username` string. The OAuth2 spec requires the exact field name
+                `username`.
+                """
+            ),
+        ],
+        password: Annotated[
+            str,
+            Form(json_schema_extra={"format": "password"}),
+            Doc(
+                """
+                `password` string. The OAuth2 spec requires the exact field name
+                `password`.
+                """
+            ),
+        ],
+        scope: Annotated[
+            str,
+            Form(),
+            Doc(
+                """
+                A single string with actually several scopes separated by spaces. Each
+                scope is also a string.
+
+                For example, a single string with:
+
+                ```python
+                "items:read items:write users:read profile openid"
+                ````
+
+                would represent the scopes:
+
+                * `items:read`
+                * `items:write`
+                * `users:read`
+                * `profile`
+                * `openid`
+                """
+            ),
+        ] = "",
+        client_id: Annotated[
+            Union[str, None],
+            Form(),
+            Doc(
+                """
+                If there's a `client_id`, it can be sent as part of the form fields.
+                But the OAuth2 specification recommends sending the `client_id` and
+                `client_secret` (if any) using HTTP Basic auth.
+                """
+            ),
+        ] = None,
+        client_secret: Annotated[
+            Union[str, None],
+            Form(json_schema_extra={"format": "password"}),
+            Doc(
+                """
+                If there's a `client_password` (and a `client_id`), they can be sent
+                as part of the form fields. But the OAuth2 specification recommends
+                sending the `client_id` and `client_secret` (if any) using HTTP Basic
+                auth.
+                """
+            ),
+        ] = None,
+    ):
+        self.grant_type = grant_type
+        self.username = username
+        self.password = password
+        self.scopes = scope.split()
+        self.client_id = client_id
+        self.client_secret = client_secret
+
+
+class OAuth2PasswordRequestFormStrict(OAuth2PasswordRequestForm):
+    """
+    This is a dependency class to collect the `username` and `password` as form data
+    for an OAuth2 password flow.
+
+    The OAuth2 specification dictates that for a password flow the data should be
+    collected using form data (instead of JSON) and that it should have the specific
+    fields `username` and `password`.
+
+    All the initialization parameters are extracted from the request.
+
+    The only difference between `OAuth2PasswordRequestFormStrict` and
+    `OAuth2PasswordRequestForm` is that `OAuth2PasswordRequestFormStrict` requires the
+    client to send the form field `grant_type` with the value `"password"`, which
+    is required in the OAuth2 specification (it seems that for no particular reason),
+    while for `OAuth2PasswordRequestForm` `grant_type` is optional.
+
+    Read more about it in the
+    [FastAPI docs for Simple OAuth2 with Password and Bearer](https://fastapi.tiangolo.com/tutorial/security/simple-oauth2/).
+
+    ## Example
+
+    ```python
+    from typing import Annotated
+
+    from fastapi import Depends, FastAPI
+    from fastapi.security import OAuth2PasswordRequestForm
+
+    app = FastAPI()
+
+
+    @app.post("/login")
+    def login(form_data: Annotated[OAuth2PasswordRequestFormStrict, Depends()]):
+        data = {}
+        data["scopes"] = []
+        for scope in form_data.scopes:
+            data["scopes"].append(scope)
+        if form_data.client_id:
+            data["client_id"] = form_data.client_id
+        if form_data.client_secret:
+            data["client_secret"] = form_data.client_secret
+        return data
+    ```
+
+    Note that for OAuth2 the scope `items:read` is a single scope in an opaque string.
+    You could have custom internal logic to separate it by colon characters (`:`) or
+    similar, and get the two parts `items` and `read`. Many applications do that to
+    group and organize permissions, you could do it as well in your application, just
+    know that that it is application specific, it's not part of the specification.
+
+
+    grant_type: the OAuth2 spec says it is required and MUST be the fixed string "password".
+        This dependency is strict about it. If you want to be permissive, use instead the
+        OAuth2PasswordRequestForm dependency class.
+    username: username string. The OAuth2 spec requires the exact field name "username".
+    password: password string. The OAuth2 spec requires the exact field name "password".
+    scope: Optional string. Several scopes (each one a string) separated by spaces. E.g.
+        "items:read items:write users:read profile openid"
+    client_id: optional string. OAuth2 recommends sending the client_id and client_secret (if any)
+        using HTTP Basic auth, as: client_id:client_secret
+    client_secret: optional string. OAuth2 recommends sending the client_id and client_secret (if any)
+        using HTTP Basic auth, as: client_id:client_secret
+    """
+
+    def __init__(
+        self,
+        grant_type: Annotated[
+            str,
+            Form(pattern="^password$"),
+            Doc(
+                """
+                The OAuth2 spec says it is required and MUST be the fixed string
+                "password". This dependency is strict about it. If you want to be
+                permissive, use instead the `OAuth2PasswordRequestForm` dependency
+                class.
+                """
+            ),
+        ],
+        username: Annotated[
+            str,
+            Form(),
+            Doc(
+                """
+                `username` string. The OAuth2 spec requires the exact field name
+                `username`.
+                """
+            ),
+        ],
+        password: Annotated[
+            str,
+            Form(),
+            Doc(
+                """
+                `password` string. The OAuth2 spec requires the exact field name
+                `password`.
+                """
+            ),
+        ],
+        scope: Annotated[
+            str,
+            Form(),
+            Doc(
+                """
+                A single string with actually several scopes separated by spaces. Each
+                scope is also a string.
+
+                For example, a single string with:
+
+                ```python
+                "items:read items:write users:read profile openid"
+                ````
+
+                would represent the scopes:
+
+                * `items:read`
+                * `items:write`
+                * `users:read`
+                * `profile`
+                * `openid`
+                """
+            ),
+        ] = "",
+        client_id: Annotated[
+            Union[str, None],
+            Form(),
+            Doc(
+                """
+                If there's a `client_id`, it can be sent as part of the form fields.
+                But the OAuth2 specification recommends sending the `client_id` and
+                `client_secret` (if any) using HTTP Basic auth.
+                """
+            ),
+        ] = None,
+        client_secret: Annotated[
+            Union[str, None],
+            Form(),
+            Doc(
+                """
+                If there's a `client_password` (and a `client_id`), they can be sent
+                as part of the form fields. But the OAuth2 specification recommends
+                sending the `client_id` and `client_secret` (if any) using HTTP Basic
+                auth.
+                """
+            ),
+        ] = None,
+    ):
+        super().__init__(
+            grant_type=grant_type,
+            username=username,
+            password=password,
+            scope=scope,
+            client_id=client_id,
+            client_secret=client_secret,
+        )
+
+
+class OAuth2(SecurityBase):
+    """
+    This is the base class for OAuth2 authentication, an instance of it would be used
+    as a dependency. All other OAuth2 classes inherit from it and customize it for
+    each OAuth2 flow.
+
+    You normally would not create a new class inheriting from it but use one of the
+    existing subclasses, and maybe compose them if you want to support multiple flows.
+
+    Read more about it in the
+    [FastAPI docs for Security](https://fastapi.tiangolo.com/tutorial/security/).
+    """
+
+    def __init__(
+        self,
+        *,
+        flows: Annotated[
+            Union[OAuthFlowsModel, Dict[str, Dict[str, Any]]],
+            Doc(
+                """
+                The dictionary of OAuth2 flows.
+                """
+            ),
+        ] = OAuthFlowsModel(),
+        scheme_name: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme name.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        description: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme description.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        auto_error: Annotated[
+            bool,
+            Doc(
+                """
+                By default, if no HTTP Authorization header is provided, required for
+                OAuth2 authentication, it will automatically cancel the request and
+                send the client an error.
+
+                If `auto_error` is set to `False`, when the HTTP Authorization header
+                is not available, instead of erroring out, the dependency result will
+                be `None`.
+
+                This is useful when you want to have optional authentication.
+
+                It is also useful when you want to have authentication that can be
+                provided in one of multiple optional ways (for example, with OAuth2
+                or in a cookie).
+                """
+            ),
+        ] = True,
+    ):
+        self.model = OAuth2Model(
+            flows=cast(OAuthFlowsModel, flows), description=description
+        )
+        self.scheme_name = scheme_name or self.__class__.__name__
+        self.auto_error = auto_error
+
+    async def __call__(self, request: Request) -> Optional[str]:
+        authorization = request.headers.get("Authorization")
+        if not authorization:
+            if self.auto_error:
+                raise HTTPException(
+                    status_code=HTTP_403_FORBIDDEN, detail="Not authenticated"
+                )
+            else:
+                return None
+        return authorization
+
+
+class OAuth2PasswordBearer(OAuth2):
+    """
+    OAuth2 flow for authentication using a bearer token obtained with a password.
+    An instance of it would be used as a dependency.
+
+    Read more about it in the
+    [FastAPI docs for Simple OAuth2 with Password and Bearer](https://fastapi.tiangolo.com/tutorial/security/simple-oauth2/).
+    """
+
+    def __init__(
+        self,
+        tokenUrl: Annotated[
+            str,
+            Doc(
+                """
+                The URL to obtain the OAuth2 token. This would be the *path operation*
+                that has `OAuth2PasswordRequestForm` as a dependency.
+                """
+            ),
+        ],
+        scheme_name: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme name.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        scopes: Annotated[
+            Optional[Dict[str, str]],
+            Doc(
+                """
+                The OAuth2 scopes that would be required by the *path operations* that
+                use this dependency.
+                """
+            ),
+        ] = None,
+        description: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme description.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        auto_error: Annotated[
+            bool,
+            Doc(
+                """
+                By default, if no HTTP Authorization header is provided, required for
+                OAuth2 authentication, it will automatically cancel the request and
+                send the client an error.
+
+                If `auto_error` is set to `False`, when the HTTP Authorization header
+                is not available, instead of erroring out, the dependency result will
+                be `None`.
+
+                This is useful when you want to have optional authentication.
+
+                It is also useful when you want to have authentication that can be
+                provided in one of multiple optional ways (for example, with OAuth2
+                or in a cookie).
+                """
+            ),
+        ] = True,
+        refreshUrl: Annotated[
+            Optional[str],
+            Doc(
+                """
+                The URL to refresh the token and obtain a new one.
+                """
+            ),
+        ] = None,
+    ):
+        if not scopes:
+            scopes = {}
+        flows = OAuthFlowsModel(
+            password=cast(
+                Any,
+                {
+                    "tokenUrl": tokenUrl,
+                    "refreshUrl": refreshUrl,
+                    "scopes": scopes,
+                },
+            )
+        )
+        super().__init__(
+            flows=flows,
+            scheme_name=scheme_name,
+            description=description,
+            auto_error=auto_error,
+        )
+
+    async def __call__(self, request: Request) -> Optional[str]:
+        authorization = request.headers.get("Authorization")
+        scheme, param = get_authorization_scheme_param(authorization)
+        if not authorization or scheme.lower() != "bearer":
+            if self.auto_error:
+                raise HTTPException(
+                    status_code=HTTP_401_UNAUTHORIZED,
+                    detail="Not authenticated",
+                    headers={"WWW-Authenticate": "Bearer"},
+                )
+            else:
+                return None
+        return param
+
+
+class OAuth2AuthorizationCodeBearer(OAuth2):
+    """
+    OAuth2 flow for authentication using a bearer token obtained with an OAuth2 code
+    flow. An instance of it would be used as a dependency.
+    """
+
+    def __init__(
+        self,
+        authorizationUrl: str,
+        tokenUrl: Annotated[
+            str,
+            Doc(
+                """
+                The URL to obtain the OAuth2 token.
+                """
+            ),
+        ],
+        refreshUrl: Annotated[
+            Optional[str],
+            Doc(
+                """
+                The URL to refresh the token and obtain a new one.
+                """
+            ),
+        ] = None,
+        scheme_name: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme name.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        scopes: Annotated[
+            Optional[Dict[str, str]],
+            Doc(
+                """
+                The OAuth2 scopes that would be required by the *path operations* that
+                use this dependency.
+                """
+            ),
+        ] = None,
+        description: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme description.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        auto_error: Annotated[
+            bool,
+            Doc(
+                """
+                By default, if no HTTP Authorization header is provided, required for
+                OAuth2 authentication, it will automatically cancel the request and
+                send the client an error.
+
+                If `auto_error` is set to `False`, when the HTTP Authorization header
+                is not available, instead of erroring out, the dependency result will
+                be `None`.
+
+                This is useful when you want to have optional authentication.
+
+                It is also useful when you want to have authentication that can be
+                provided in one of multiple optional ways (for example, with OAuth2
+                or in a cookie).
+                """
+            ),
+        ] = True,
+    ):
+        if not scopes:
+            scopes = {}
+        flows = OAuthFlowsModel(
+            authorizationCode=cast(
+                Any,
+                {
+                    "authorizationUrl": authorizationUrl,
+                    "tokenUrl": tokenUrl,
+                    "refreshUrl": refreshUrl,
+                    "scopes": scopes,
+                },
+            )
+        )
+        super().__init__(
+            flows=flows,
+            scheme_name=scheme_name,
+            description=description,
+            auto_error=auto_error,
+        )
+
+    async def __call__(self, request: Request) -> Optional[str]:
+        authorization = request.headers.get("Authorization")
+        scheme, param = get_authorization_scheme_param(authorization)
+        if not authorization or scheme.lower() != "bearer":
+            if self.auto_error:
+                raise HTTPException(
+                    status_code=HTTP_401_UNAUTHORIZED,
+                    detail="Not authenticated",
+                    headers={"WWW-Authenticate": "Bearer"},
+                )
+            else:
+                return None  # pragma: nocover
+        return param
+
+
+class SecurityScopes:
+    """
+    This is a special class that you can define in a parameter in a dependency to
+    obtain the OAuth2 scopes required by all the dependencies in the same chain.
+
+    This way, multiple dependencies can have different scopes, even when used in the
+    same *path operation*. And with this, you can access all the scopes required in
+    all those dependencies in a single place.
+
+    Read more about it in the
+    [FastAPI docs for OAuth2 scopes](https://fastapi.tiangolo.com/advanced/security/oauth2-scopes/).
+    """
+
+    def __init__(
+        self,
+        scopes: Annotated[
+            Optional[List[str]],
+            Doc(
+                """
+                This will be filled by FastAPI.
+                """
+            ),
+        ] = None,
+    ):
+        self.scopes: Annotated[
+            List[str],
+            Doc(
+                """
+                The list of all the scopes required by dependencies.
+                """
+            ),
+        ] = scopes or []
+        self.scope_str: Annotated[
+            str,
+            Doc(
+                """
+                All the scopes required by all the dependencies in a single string
+                separated by spaces, as defined in the OAuth2 specification.
+                """
+            ),
+        ] = " ".join(self.scopes)

backend_service/venv/lib/python3.13/site-packages/fastapi/security/open_id_connect_url.py

@@ -0,0 +1,85 @@
+from typing import Optional
+
+from annotated_doc import Doc
+from fastapi.openapi.models import OpenIdConnect as OpenIdConnectModel
+from fastapi.security.base import SecurityBase
+from starlette.exceptions import HTTPException
+from starlette.requests import Request
+from starlette.status import HTTP_403_FORBIDDEN
+from typing_extensions import Annotated
+
+
+class OpenIdConnect(SecurityBase):
+    """
+    OpenID Connect authentication class. An instance of it would be used as a
+    dependency.
+    """
+
+    def __init__(
+        self,
+        *,
+        openIdConnectUrl: Annotated[
+            str,
+            Doc(
+                """
+            The OpenID Connect URL.
+            """
+            ),
+        ],
+        scheme_name: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme name.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        description: Annotated[
+            Optional[str],
+            Doc(
+                """
+                Security scheme description.
+
+                It will be included in the generated OpenAPI (e.g. visible at `/docs`).
+                """
+            ),
+        ] = None,
+        auto_error: Annotated[
+            bool,
+            Doc(
+                """
+                By default, if no HTTP Authorization header is provided, required for
+                OpenID Connect authentication, it will automatically cancel the request
+                and send the client an error.
+
+                If `auto_error` is set to `False`, when the HTTP Authorization header
+                is not available, instead of erroring out, the dependency result will
+                be `None`.
+
+                This is useful when you want to have optional authentication.
+
+                It is also useful when you want to have authentication that can be
+                provided in one of multiple optional ways (for example, with OpenID
+                Connect or in a cookie).
+                """
+            ),
+        ] = True,
+    ):
+        self.model = OpenIdConnectModel(
+            openIdConnectUrl=openIdConnectUrl, description=description
+        )
+        self.scheme_name = scheme_name or self.__class__.__name__
+        self.auto_error = auto_error
+
+    async def __call__(self, request: Request) -> Optional[str]:
+        authorization = request.headers.get("Authorization")
+        if not authorization:
+            if self.auto_error:
+                raise HTTPException(
+                    status_code=HTTP_403_FORBIDDEN, detail="Not authenticated"
+                )
+            else:
+                return None
+        return authorization

backend_service/venv/lib/python3.13/site-packages/fastapi/security/utils.py

@@ -0,0 +1,10 @@
+from typing import Optional, Tuple
+
+
+def get_authorization_scheme_param(
+    authorization_header_value: Optional[str],
+) -> Tuple[str, str]:
+    if not authorization_header_value:
+        return "", ""
+    scheme, _, param = authorization_header_value.partition(" ")
+    return scheme, param

backend_service/venv/lib/python3.13/site-packages/fastapi/staticfiles.py

@@ -0,0 +1 @@
+from starlette.staticfiles import StaticFiles as StaticFiles  # noqa

backend_service/venv/lib/python3.13/site-packages/fastapi/temp_pydantic_v1_params.py

@@ -0,0 +1,724 @@
+import warnings
+from typing import Any, Callable, Dict, List, Optional, Union
+
+from fastapi.openapi.models import Example
+from fastapi.params import ParamTypes
+from typing_extensions import Annotated, deprecated
+
+from ._compat.may_v1 import FieldInfo, Undefined
+from ._compat.shared import PYDANTIC_VERSION_MINOR_TUPLE
+
+_Unset: Any = Undefined
+
+
+class Param(FieldInfo):  # type: ignore[misc]
+    in_: ParamTypes
+
+    def __init__(
+        self,
+        default: Any = Undefined,
+        *,
+        default_factory: Union[Callable[[], Any], None] = _Unset,
+        annotation: Optional[Any] = None,
+        alias: Optional[str] = None,
+        alias_priority: Union[int, None] = _Unset,
+        # TODO: update when deprecating Pydantic v1, import these types
+        # validation_alias: str | AliasPath | AliasChoices | None
+        validation_alias: Union[str, None] = None,
+        serialization_alias: Union[str, None] = None,
+        title: Optional[str] = None,
+        description: Optional[str] = None,
+        gt: Optional[float] = None,
+        ge: Optional[float] = None,
+        lt: Optional[float] = None,
+        le: Optional[float] = None,
+        min_length: Optional[int] = None,
+        max_length: Optional[int] = None,
+        pattern: Optional[str] = None,
+        regex: Annotated[
+            Optional[str],
+            deprecated(
+                "Deprecated in FastAPI 0.100.0 and Pydantic v2, use `pattern` instead."
+            ),
+        ] = None,
+        discriminator: Union[str, None] = None,
+        strict: Union[bool, None] = _Unset,
+        multiple_of: Union[float, None] = _Unset,
+        allow_inf_nan: Union[bool, None] = _Unset,
+        max_digits: Union[int, None] = _Unset,
+        decimal_places: Union[int, None] = _Unset,
+        examples: Optional[List[Any]] = None,
+        example: Annotated[
+            Optional[Any],
+            deprecated(
+                "Deprecated in OpenAPI 3.1.0 that now uses JSON Schema 2020-12, "
+                "although still supported. Use examples instead."
+            ),
+        ] = _Unset,
+        openapi_examples: Optional[Dict[str, Example]] = None,
+        deprecated: Union[deprecated, str, bool, None] = None,
+        include_in_schema: bool = True,
+        json_schema_extra: Union[Dict[str, Any], None] = None,
+        **extra: Any,
+    ):
+        if example is not _Unset:
+            warnings.warn(
+                "`example` has been deprecated, please use `examples` instead",
+                category=DeprecationWarning,
+                stacklevel=4,
+            )
+        self.example = example
+        self.include_in_schema = include_in_schema
+        self.openapi_examples = openapi_examples
+        kwargs = dict(
+            default=default,
+            default_factory=default_factory,
+            alias=alias,
+            title=title,
+            description=description,
+            gt=gt,
+            ge=ge,
+            lt=lt,
+            le=le,
+            min_length=min_length,
+            max_length=max_length,
+            discriminator=discriminator,
+            multiple_of=multiple_of,
+            allow_inf_nan=allow_inf_nan,
+            max_digits=max_digits,
+            decimal_places=decimal_places,
+            **extra,
+        )
+        if examples is not None:
+            kwargs["examples"] = examples
+        if regex is not None:
+            warnings.warn(
+                "`regex` has been deprecated, please use `pattern` instead",
+                category=DeprecationWarning,
+                stacklevel=4,
+            )
+        current_json_schema_extra = json_schema_extra or extra
+        if PYDANTIC_VERSION_MINOR_TUPLE < (2, 7):
+            self.deprecated = deprecated
+        else:
+            kwargs["deprecated"] = deprecated
+        kwargs["regex"] = pattern or regex
+        kwargs.update(**current_json_schema_extra)
+        use_kwargs = {k: v for k, v in kwargs.items() if v is not _Unset}
+
+        super().__init__(**use_kwargs)
+
+    def __repr__(self) -> str:
+        return f"{self.__class__.__name__}({self.default})"
+
+
+class Path(Param):  # type: ignore[misc]
+    in_ = ParamTypes.path
+
+    def __init__(
+        self,
+        default: Any = ...,
+        *,
+        default_factory: Union[Callable[[], Any], None] = _Unset,
+        annotation: Optional[Any] = None,
+        alias: Optional[str] = None,
+        alias_priority: Union[int, None] = _Unset,
+        # TODO: update when deprecating Pydantic v1, import these types
+        # validation_alias: str | AliasPath | AliasChoices | None
+        validation_alias: Union[str, None] = None,
+        serialization_alias: Union[str, None] = None,
+        title: Optional[str] = None,
+        description: Optional[str] = None,
+        gt: Optional[float] = None,
+        ge: Optional[float] = None,
+        lt: Optional[float] = None,
+        le: Optional[float] = None,
+        min_length: Optional[int] = None,
+        max_length: Optional[int] = None,
+        pattern: Optional[str] = None,
+        regex: Annotated[
+            Optional[str],
+            deprecated(
+                "Deprecated in FastAPI 0.100.0 and Pydantic v2, use `pattern` instead."
+            ),
+        ] = None,
+        discriminator: Union[str, None] = None,
+        strict: Union[bool, None] = _Unset,
+        multiple_of: Union[float, None] = _Unset,
+        allow_inf_nan: Union[bool, None] = _Unset,
+        max_digits: Union[int, None] = _Unset,
+        decimal_places: Union[int, None] = _Unset,
+        examples: Optional[List[Any]] = None,
+        example: Annotated[
+            Optional[Any],
+            deprecated(
+                "Deprecated in OpenAPI 3.1.0 that now uses JSON Schema 2020-12, "
+                "although still supported. Use examples instead."
+            ),
+        ] = _Unset,
+        openapi_examples: Optional[Dict[str, Example]] = None,
+        deprecated: Union[deprecated, str, bool, None] = None,
+        include_in_schema: bool = True,
+        json_schema_extra: Union[Dict[str, Any], None] = None,
+        **extra: Any,
+    ):
+        assert default is ..., "Path parameters cannot have a default value"
+        self.in_ = self.in_
+        super().__init__(
+            default=default,
+            default_factory=default_factory,
+            annotation=annotation,
+            alias=alias,
+            alias_priority=alias_priority,
+            validation_alias=validation_alias,
+            serialization_alias=serialization_alias,
+            title=title,
+            description=description,
+            gt=gt,
+            ge=ge,
+            lt=lt,
+            le=le,
+            min_length=min_length,
+            max_length=max_length,
+            pattern=pattern,
+            regex=regex,
+            discriminator=discriminator,
+            strict=strict,
+            multiple_of=multiple_of,
+            allow_inf_nan=allow_inf_nan,
+            max_digits=max_digits,
+            decimal_places=decimal_places,
+            deprecated=deprecated,
+            example=example,
+            examples=examples,
+            openapi_examples=openapi_examples,
+            include_in_schema=include_in_schema,
+            json_schema_extra=json_schema_extra,
+            **extra,
+        )
+
+
+class Query(Param):  # type: ignore[misc]
+    in_ = ParamTypes.query
+
+    def __init__(
+        self,
+        default: Any = Undefined,
+        *,
+        default_factory: Union[Callable[[], Any], None] = _Unset,
+        annotation: Optional[Any] = None,
+        alias: Optional[str] = None,
+        alias_priority: Union[int, None] = _Unset,
+        # TODO: update when deprecating Pydantic v1, import these types
+        # validation_alias: str | AliasPath | AliasChoices | None
+        validation_alias: Union[str, None] = None,
+        serialization_alias: Union[str, None] = None,
+        title: Optional[str] = None,
+        description: Optional[str] = None,
+        gt: Optional[float] = None,
+        ge: Optional[float] = None,
+        lt: Optional[float] = None,
+        le: Optional[float] = None,
+        min_length: Optional[int] = None,
+        max_length: Optional[int] = None,
+        pattern: Optional[str] = None,
+        regex: Annotated[
+            Optional[str],
+            deprecated(
+                "Deprecated in FastAPI 0.100.0 and Pydantic v2, use `pattern` instead."
+            ),
+        ] = None,
+        discriminator: Union[str, None] = None,
+        strict: Union[bool, None] = _Unset,
+        multiple_of: Union[float, None] = _Unset,
+        allow_inf_nan: Union[bool, None] = _Unset,
+        max_digits: Union[int, None] = _Unset,
+        decimal_places: Union[int, None] = _Unset,
+        examples: Optional[List[Any]] = None,
+        example: Annotated[
+            Optional[Any],
+            deprecated(
+                "Deprecated in OpenAPI 3.1.0 that now uses JSON Schema 2020-12, "
+                "although still supported. Use examples instead."
+            ),
+        ] = _Unset,
+        openapi_examples: Optional[Dict[str, Example]] = None,
+        deprecated: Union[deprecated, str, bool, None] = None,
+        include_in_schema: bool = True,
+        json_schema_extra: Union[Dict[str, Any], None] = None,
+        **extra: Any,
+    ):
+        super().__init__(
+            default=default,
+            default_factory=default_factory,
+            annotation=annotation,
+            alias=alias,
+            alias_priority=alias_priority,
+            validation_alias=validation_alias,
+            serialization_alias=serialization_alias,
+            title=title,
+            description=description,
+            gt=gt,
+            ge=ge,
+            lt=lt,
+            le=le,
+            min_length=min_length,
+            max_length=max_length,
+            pattern=pattern,
+            regex=regex,
+            discriminator=discriminator,
+            strict=strict,
+            multiple_of=multiple_of,
+            allow_inf_nan=allow_inf_nan,
+            max_digits=max_digits,
+            decimal_places=decimal_places,
+            deprecated=deprecated,
+            example=example,
+            examples=examples,
+            openapi_examples=openapi_examples,
+            include_in_schema=include_in_schema,
+            json_schema_extra=json_schema_extra,
+            **extra,
+        )
+
+
+class Header(Param):  # type: ignore[misc]
+    in_ = ParamTypes.header
+
+    def __init__(
+        self,
+        default: Any = Undefined,
+        *,
+        default_factory: Union[Callable[[], Any], None] = _Unset,
+        annotation: Optional[Any] = None,
+        alias: Optional[str] = None,
+        alias_priority: Union[int, None] = _Unset,
+        # TODO: update when deprecating Pydantic v1, import these types
+        # validation_alias: str | AliasPath | AliasChoices | None
+        validation_alias: Union[str, None] = None,
+        serialization_alias: Union[str, None] = None,
+        convert_underscores: bool = True,
+        title: Optional[str] = None,
+        description: Optional[str] = None,
+        gt: Optional[float] = None,
+        ge: Optional[float] = None,
+        lt: Optional[float] = None,
+        le: Optional[float] = None,
+        min_length: Optional[int] = None,
+        max_length: Optional[int] = None,
+        pattern: Optional[str] = None,
+        regex: Annotated[
+            Optional[str],
+            deprecated(
+                "Deprecated in FastAPI 0.100.0 and Pydantic v2, use `pattern` instead."
+            ),
+        ] = None,
+        discriminator: Union[str, None] = None,
+        strict: Union[bool, None] = _Unset,
+        multiple_of: Union[float, None] = _Unset,
+        allow_inf_nan: Union[bool, None] = _Unset,
+        max_digits: Union[int, None] = _Unset,
+        decimal_places: Union[int, None] = _Unset,
+        examples: Optional[List[Any]] = None,
+        example: Annotated[
+            Optional[Any],
+            deprecated(
+                "Deprecated in OpenAPI 3.1.0 that now uses JSON Schema 2020-12, "
+                "although still supported. Use examples instead."
+            ),
+        ] = _Unset,
+        openapi_examples: Optional[Dict[str, Example]] = None,
+        deprecated: Union[deprecated, str, bool, None] = None,
+        include_in_schema: bool = True,
+        json_schema_extra: Union[Dict[str, Any], None] = None,
+        **extra: Any,
+    ):
+        self.convert_underscores = convert_underscores
+        super().__init__(
+            default=default,
+            default_factory=default_factory,
+            annotation=annotation,
+            alias=alias,
+            alias_priority=alias_priority,
+            validation_alias=validation_alias,
+            serialization_alias=serialization_alias,
+            title=title,
+            description=description,
+            gt=gt,
+            ge=ge,
+            lt=lt,
+            le=le,
+            min_length=min_length,
+            max_length=max_length,
+            pattern=pattern,
+            regex=regex,
+            discriminator=discriminator,
+            strict=strict,
+            multiple_of=multiple_of,
+            allow_inf_nan=allow_inf_nan,
+            max_digits=max_digits,
+            decimal_places=decimal_places,
+            deprecated=deprecated,
+            example=example,
+            examples=examples,
+            openapi_examples=openapi_examples,
+            include_in_schema=include_in_schema,
+            json_schema_extra=json_schema_extra,
+            **extra,
+        )
+
+
+class Cookie(Param):  # type: ignore[misc]
+    in_ = ParamTypes.cookie
+
+    def __init__(
+        self,
+        default: Any = Undefined,
+        *,
+        default_factory: Union[Callable[[], Any], None] = _Unset,
+        annotation: Optional[Any] = None,
+        alias: Optional[str] = None,
+        alias_priority: Union[int, None] = _Unset,
+        # TODO: update when deprecating Pydantic v1, import these types
+        # validation_alias: str | AliasPath | AliasChoices | None
+        validation_alias: Union[str, None] = None,
+        serialization_alias: Union[str, None] = None,
+        title: Optional[str] = None,
+        description: Optional[str] = None,
+        gt: Optional[float] = None,
+        ge: Optional[float] = None,
+        lt: Optional[float] = None,
+        le: Optional[float] = None,
+        min_length: Optional[int] = None,
+        max_length: Optional[int] = None,
+        pattern: Optional[str] = None,
+        regex: Annotated[
+            Optional[str],
+            deprecated(
+                "Deprecated in FastAPI 0.100.0 and Pydantic v2, use `pattern` instead."
+            ),
+        ] = None,
+        discriminator: Union[str, None] = None,
+        strict: Union[bool, None] = _Unset,
+        multiple_of: Union[float, None] = _Unset,
+        allow_inf_nan: Union[bool, None] = _Unset,
+        max_digits: Union[int, None] = _Unset,
+        decimal_places: Union[int, None] = _Unset,
+        examples: Optional[List[Any]] = None,
+        example: Annotated[
+            Optional[Any],
+            deprecated(
+                "Deprecated in OpenAPI 3.1.0 that now uses JSON Schema 2020-12, "
+                "although still supported. Use examples instead."
+            ),
+        ] = _Unset,
+        openapi_examples: Optional[Dict[str, Example]] = None,
+        deprecated: Union[deprecated, str, bool, None] = None,
+        include_in_schema: bool = True,
+        json_schema_extra: Union[Dict[str, Any], None] = None,
+        **extra: Any,
+    ):
+        super().__init__(
+            default=default,
+            default_factory=default_factory,
+            annotation=annotation,
+            alias=alias,
+            alias_priority=alias_priority,
+            validation_alias=validation_alias,
+            serialization_alias=serialization_alias,
+            title=title,
+            description=description,
+            gt=gt,
+            ge=ge,
+            lt=lt,
+            le=le,
+            min_length=min_length,
+            max_length=max_length,
+            pattern=pattern,
+            regex=regex,
+            discriminator=discriminator,
+            strict=strict,
+            multiple_of=multiple_of,
+            allow_inf_nan=allow_inf_nan,
+            max_digits=max_digits,
+            decimal_places=decimal_places,
+            deprecated=deprecated,
+            example=example,
+            examples=examples,
+            openapi_examples=openapi_examples,
+            include_in_schema=include_in_schema,
+            json_schema_extra=json_schema_extra,
+            **extra,
+        )
+
+
+class Body(FieldInfo):  # type: ignore[misc]
+    def __init__(
+        self,
+        default: Any = Undefined,
+        *,
+        default_factory: Union[Callable[[], Any], None] = _Unset,
+        annotation: Optional[Any] = None,
+        embed: Union[bool, None] = None,
+        media_type: str = "application/json",
+        alias: Optional[str] = None,
+        alias_priority: Union[int, None] = _Unset,
+        # TODO: update when deprecating Pydantic v1, import these types
+        # validation_alias: str | AliasPath | AliasChoices | None
+        validation_alias: Union[str, None] = None,
+        serialization_alias: Union[str, None] = None,
+        title: Optional[str] = None,
+        description: Optional[str] = None,
+        gt: Optional[float] = None,
+        ge: Optional[float] = None,
+        lt: Optional[float] = None,
+        le: Optional[float] = None,
+        min_length: Optional[int] = None,
+        max_length: Optional[int] = None,
+        pattern: Optional[str] = None,
+        regex: Annotated[
+            Optional[str],
+            deprecated(
+                "Deprecated in FastAPI 0.100.0 and Pydantic v2, use `pattern` instead."
+            ),
+        ] = None,
+        discriminator: Union[str, None] = None,
+        strict: Union[bool, None] = _Unset,
+        multiple_of: Union[float, None] = _Unset,
+        allow_inf_nan: Union[bool, None] = _Unset,
+        max_digits: Union[int, None] = _Unset,
+        decimal_places: Union[int, None] = _Unset,
+        examples: Optional[List[Any]] = None,
+        example: Annotated[
+            Optional[Any],
+            deprecated(
+                "Deprecated in OpenAPI 3.1.0 that now uses JSON Schema 2020-12, "
+                "although still supported. Use examples instead."
+            ),
+        ] = _Unset,
+        openapi_examples: Optional[Dict[str, Example]] = None,
+        deprecated: Union[deprecated, str, bool, None] = None,
+        include_in_schema: bool = True,
+        json_schema_extra: Union[Dict[str, Any], None] = None,
+        **extra: Any,
+    ):
+        self.embed = embed
+        self.media_type = media_type
+        if example is not _Unset:
+            warnings.warn(
+                "`example` has been deprecated, please use `examples` instead",
+                category=DeprecationWarning,
+                stacklevel=4,
+            )
+        self.example = example
+        self.include_in_schema = include_in_schema
+        self.openapi_examples = openapi_examples
+        kwargs = dict(
+            default=default,
+            default_factory=default_factory,
+            alias=alias,
+            title=title,
+            description=description,
+            gt=gt,
+            ge=ge,
+            lt=lt,
+            le=le,
+            min_length=min_length,
+            max_length=max_length,
+            discriminator=discriminator,
+            multiple_of=multiple_of,
+            allow_inf_nan=allow_inf_nan,
+            max_digits=max_digits,
+            decimal_places=decimal_places,
+            **extra,
+        )
+        if examples is not None:
+            kwargs["examples"] = examples
+        if regex is not None:
+            warnings.warn(
+                "`regex` has been deprecated, please use `pattern` instead",
+                category=DeprecationWarning,
+                stacklevel=4,
+            )
+        current_json_schema_extra = json_schema_extra or extra
+        if PYDANTIC_VERSION_MINOR_TUPLE < (2, 7):
+            self.deprecated = deprecated
+        else:
+            kwargs["deprecated"] = deprecated
+        kwargs["regex"] = pattern or regex
+        kwargs.update(**current_json_schema_extra)
+
+        use_kwargs = {k: v for k, v in kwargs.items() if v is not _Unset}
+
+        super().__init__(**use_kwargs)
+
+    def __repr__(self) -> str:
+        return f"{self.__class__.__name__}({self.default})"
+
+
+class Form(Body):  # type: ignore[misc]
+    def __init__(
+        self,
+        default: Any = Undefined,
+        *,
+        default_factory: Union[Callable[[], Any], None] = _Unset,
+        annotation: Optional[Any] = None,
+        media_type: str = "application/x-www-form-urlencoded",
+        alias: Optional[str] = None,
+        alias_priority: Union[int, None] = _Unset,
+        # TODO: update when deprecating Pydantic v1, import these types
+        # validation_alias: str | AliasPath | AliasChoices | None
+        validation_alias: Union[str, None] = None,
+        serialization_alias: Union[str, None] = None,
+        title: Optional[str] = None,
+        description: Optional[str] = None,
+        gt: Optional[float] = None,
+        ge: Optional[float] = None,
+        lt: Optional[float] = None,
+        le: Optional[float] = None,
+        min_length: Optional[int] = None,
+        max_length: Optional[int] = None,
+        pattern: Optional[str] = None,
+        regex: Annotated[
+            Optional[str],
+            deprecated(
+                "Deprecated in FastAPI 0.100.0 and Pydantic v2, use `pattern` instead."
+            ),
+        ] = None,
+        discriminator: Union[str, None] = None,
+        strict: Union[bool, None] = _Unset,
+        multiple_of: Union[float, None] = _Unset,
+        allow_inf_nan: Union[bool, None] = _Unset,
+        max_digits: Union[int, None] = _Unset,
+        decimal_places: Union[int, None] = _Unset,
+        examples: Optional[List[Any]] = None,
+        example: Annotated[
+            Optional[Any],
+            deprecated(
+                "Deprecated in OpenAPI 3.1.0 that now uses JSON Schema 2020-12, "
+                "although still supported. Use examples instead."
+            ),
+        ] = _Unset,
+        openapi_examples: Optional[Dict[str, Example]] = None,
+        deprecated: Union[deprecated, str, bool, None] = None,
+        include_in_schema: bool = True,
+        json_schema_extra: Union[Dict[str, Any], None] = None,
+        **extra: Any,
+    ):
+        super().__init__(
+            default=default,
+            default_factory=default_factory,
+            annotation=annotation,
+            media_type=media_type,
+            alias=alias,
+            alias_priority=alias_priority,
+            validation_alias=validation_alias,
+            serialization_alias=serialization_alias,
+            title=title,
+            description=description,
+            gt=gt,
+            ge=ge,
+            lt=lt,
+            le=le,
+            min_length=min_length,
+            max_length=max_length,
+            pattern=pattern,
+            regex=regex,
+            discriminator=discriminator,
+            strict=strict,
+            multiple_of=multiple_of,
+            allow_inf_nan=allow_inf_nan,
+            max_digits=max_digits,
+            decimal_places=decimal_places,
+            deprecated=deprecated,
+            example=example,
+            examples=examples,
+            openapi_examples=openapi_examples,
+            include_in_schema=include_in_schema,
+            json_schema_extra=json_schema_extra,
+            **extra,
+        )
+
+
+class File(Form):  # type: ignore[misc]
+    def __init__(
+        self,
+        default: Any = Undefined,
+        *,
+        default_factory: Union[Callable[[], Any], None] = _Unset,
+        annotation: Optional[Any] = None,
+        media_type: str = "multipart/form-data",
+        alias: Optional[str] = None,
+        alias_priority: Union[int, None] = _Unset,
+        # TODO: update when deprecating Pydantic v1, import these types
+        # validation_alias: str | AliasPath | AliasChoices | None
+        validation_alias: Union[str, None] = None,
+        serialization_alias: Union[str, None] = None,
+        title: Optional[str] = None,
+        description: Optional[str] = None,
+        gt: Optional[float] = None,
+        ge: Optional[float] = None,
+        lt: Optional[float] = None,
+        le: Optional[float] = None,
+        min_length: Optional[int] = None,
+        max_length: Optional[int] = None,
+        pattern: Optional[str] = None,
+        regex: Annotated[
+            Optional[str],
+            deprecated(
+                "Deprecated in FastAPI 0.100.0 and Pydantic v2, use `pattern` instead."
+            ),
+        ] = None,
+        discriminator: Union[str, None] = None,
+        strict: Union[bool, None] = _Unset,
+        multiple_of: Union[float, None] = _Unset,
+        allow_inf_nan: Union[bool, None] = _Unset,
+        max_digits: Union[int, None] = _Unset,
+        decimal_places: Union[int, None] = _Unset,
+        examples: Optional[List[Any]] = None,
+        example: Annotated[
+            Optional[Any],
+            deprecated(
+                "Deprecated in OpenAPI 3.1.0 that now uses JSON Schema 2020-12, "
+                "although still supported. Use examples instead."
+            ),
+        ] = _Unset,
+        openapi_examples: Optional[Dict[str, Example]] = None,
+        deprecated: Union[deprecated, str, bool, None] = None,
+        include_in_schema: bool = True,
+        json_schema_extra: Union[Dict[str, Any], None] = None,
+        **extra: Any,
+    ):
+        super().__init__(
+            default=default,
+            default_factory=default_factory,
+            annotation=annotation,
+            media_type=media_type,
+            alias=alias,
+            alias_priority=alias_priority,
+            validation_alias=validation_alias,
+            serialization_alias=serialization_alias,
+            title=title,
+            description=description,
+            gt=gt,
+            ge=ge,
+            lt=lt,
+            le=le,
+            min_length=min_length,
+            max_length=max_length,
+            pattern=pattern,
+            regex=regex,
+            discriminator=discriminator,
+            strict=strict,
+            multiple_of=multiple_of,
+            allow_inf_nan=allow_inf_nan,
+            max_digits=max_digits,
+            decimal_places=decimal_places,
+            deprecated=deprecated,
+            example=example,
+            examples=examples,
+            openapi_examples=openapi_examples,
+            include_in_schema=include_in_schema,
+            json_schema_extra=json_schema_extra,
+            **extra,
+        )

backend_service/venv/lib/python3.13/site-packages/fastapi/templating.py

@@ -0,0 +1 @@
+from starlette.templating import Jinja2Templates as Jinja2Templates  # noqa

backend_service/venv/lib/python3.13/site-packages/fastapi/testclient.py

@@ -0,0 +1 @@
+from starlette.testclient import TestClient as TestClient  # noqa

backend_service/venv/lib/python3.13/site-packages/fastapi/types.py

@@ -0,0 +1,11 @@
+import types
+from enum import Enum
+from typing import Any, Callable, Dict, Optional, Set, Tuple, Type, TypeVar, Union
+
+from pydantic import BaseModel
+
+DecoratedCallable = TypeVar("DecoratedCallable", bound=Callable[..., Any])
+UnionType = getattr(types, "UnionType", Union)
+ModelNameMap = Dict[Union[Type[BaseModel], Type[Enum]], str]
+IncEx = Union[Set[int], Set[str], Dict[int, Any], Dict[str, Any]]
+DependencyCacheKey = Tuple[Optional[Callable[..., Any]], Tuple[str, ...], str]

backend_service/venv/lib/python3.13/site-packages/fastapi/utils.py

@@ -0,0 +1,254 @@
+import re
+import warnings
+from dataclasses import is_dataclass
+from typing import (
+    TYPE_CHECKING,
+    Any,
+    Dict,
+    MutableMapping,
+    Optional,
+    Set,
+    Type,
+    Union,
+    cast,
+)
+from weakref import WeakKeyDictionary
+
+import fastapi
+from fastapi._compat import (
+    PYDANTIC_V2,
+    BaseConfig,
+    ModelField,
+    PydanticSchemaGenerationError,
+    Undefined,
+    UndefinedType,
+    Validator,
+    annotation_is_pydantic_v1,
+    lenient_issubclass,
+    may_v1,
+)
+from fastapi.datastructures import DefaultPlaceholder, DefaultType
+from pydantic import BaseModel
+from pydantic.fields import FieldInfo
+from typing_extensions import Literal
+
+if TYPE_CHECKING:  # pragma: nocover
+    from .routing import APIRoute
+
+# Cache for `create_cloned_field`
+_CLONED_TYPES_CACHE: MutableMapping[Type[BaseModel], Type[BaseModel]] = (
+    WeakKeyDictionary()
+)
+
+
+def is_body_allowed_for_status_code(status_code: Union[int, str, None]) -> bool:
+    if status_code is None:
+        return True
+    # Ref: https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.1.0.md#patterned-fields-1
+    if status_code in {
+        "default",
+        "1XX",
+        "2XX",
+        "3XX",
+        "4XX",
+        "5XX",
+    }:
+        return True
+    current_status_code = int(status_code)
+    return not (current_status_code < 200 or current_status_code in {204, 205, 304})
+
+
+def get_path_param_names(path: str) -> Set[str]:
+    return set(re.findall("{(.*?)}", path))
+
+
+_invalid_args_message = (
+    "Invalid args for response field! Hint: "
+    "check that {type_} is a valid Pydantic field type. "
+    "If you are using a return type annotation that is not a valid Pydantic "
+    "field (e.g. Union[Response, dict, None]) you can disable generating the "
+    "response model from the type annotation with the path operation decorator "
+    "parameter response_model=None. Read more: "
+    "https://fastapi.tiangolo.com/tutorial/response-model/"
+)
+
+
+def create_model_field(
+    name: str,
+    type_: Any,
+    class_validators: Optional[Dict[str, Validator]] = None,
+    default: Optional[Any] = Undefined,
+    required: Union[bool, UndefinedType] = Undefined,
+    model_config: Union[Type[BaseConfig], None] = None,
+    field_info: Optional[FieldInfo] = None,
+    alias: Optional[str] = None,
+    mode: Literal["validation", "serialization"] = "validation",
+    version: Literal["1", "auto"] = "auto",
+) -> ModelField:
+    class_validators = class_validators or {}
+
+    v1_model_config = may_v1.BaseConfig
+    v1_field_info = field_info or may_v1.FieldInfo()
+    v1_kwargs = {
+        "name": name,
+        "field_info": v1_field_info,
+        "type_": type_,
+        "class_validators": class_validators,
+        "default": default,
+        "required": required,
+        "model_config": v1_model_config,
+        "alias": alias,
+    }
+
+    if (
+        annotation_is_pydantic_v1(type_)
+        or isinstance(field_info, may_v1.FieldInfo)
+        or version == "1"
+    ):
+        from fastapi._compat import v1
+
+        try:
+            return v1.ModelField(**v1_kwargs)  # type: ignore[no-any-return]
+        except RuntimeError:
+            raise fastapi.exceptions.FastAPIError(_invalid_args_message) from None
+    elif PYDANTIC_V2:
+        from ._compat import v2
+
+        field_info = field_info or FieldInfo(
+            annotation=type_, default=default, alias=alias
+        )
+        kwargs = {"mode": mode, "name": name, "field_info": field_info}
+        try:
+            return v2.ModelField(**kwargs)  # type: ignore[return-value,arg-type]
+        except PydanticSchemaGenerationError:
+            raise fastapi.exceptions.FastAPIError(_invalid_args_message) from None
+    # Pydantic v2 is not installed, but it's not a Pydantic v1 ModelField, it could be
+    # a Pydantic v1 type, like a constrained int
+    from fastapi._compat import v1
+
+    try:
+        return v1.ModelField(**v1_kwargs)  # type: ignore[no-any-return]
+    except RuntimeError:
+        raise fastapi.exceptions.FastAPIError(_invalid_args_message) from None
+
+
+def create_cloned_field(
+    field: ModelField,
+    *,
+    cloned_types: Optional[MutableMapping[Type[BaseModel], Type[BaseModel]]] = None,
+) -> ModelField:
+    if PYDANTIC_V2:
+        from ._compat import v2
+
+        if isinstance(field, v2.ModelField):
+            return field
+
+    from fastapi._compat import v1
+
+    # cloned_types caches already cloned types to support recursive models and improve
+    # performance by avoiding unnecessary cloning
+    if cloned_types is None:
+        cloned_types = _CLONED_TYPES_CACHE
+
+    original_type = field.type_
+    if is_dataclass(original_type) and hasattr(original_type, "__pydantic_model__"):
+        original_type = original_type.__pydantic_model__
+    use_type = original_type
+    if lenient_issubclass(original_type, v1.BaseModel):
+        original_type = cast(Type[v1.BaseModel], original_type)
+        use_type = cloned_types.get(original_type)
+        if use_type is None:
+            use_type = v1.create_model(original_type.__name__, __base__=original_type)
+            cloned_types[original_type] = use_type
+            for f in original_type.__fields__.values():
+                use_type.__fields__[f.name] = create_cloned_field(
+                    f,
+                    cloned_types=cloned_types,
+                )
+    new_field = create_model_field(name=field.name, type_=use_type, version="1")
+    new_field.has_alias = field.has_alias  # type: ignore[attr-defined]
+    new_field.alias = field.alias  # type: ignore[misc]
+    new_field.class_validators = field.class_validators  # type: ignore[attr-defined]
+    new_field.default = field.default  # type: ignore[misc]
+    new_field.default_factory = field.default_factory  # type: ignore[attr-defined]
+    new_field.required = field.required  # type: ignore[misc]
+    new_field.model_config = field.model_config  # type: ignore[attr-defined]
+    new_field.field_info = field.field_info
+    new_field.allow_none = field.allow_none  # type: ignore[attr-defined]
+    new_field.validate_always = field.validate_always  # type: ignore[attr-defined]
+    if field.sub_fields:  # type: ignore[attr-defined]
+        new_field.sub_fields = [  # type: ignore[attr-defined]
+            create_cloned_field(sub_field, cloned_types=cloned_types)
+            for sub_field in field.sub_fields  # type: ignore[attr-defined]
+        ]
+    if field.key_field:  # type: ignore[attr-defined]
+        new_field.key_field = create_cloned_field(  # type: ignore[attr-defined]
+            field.key_field,  # type: ignore[attr-defined]
+            cloned_types=cloned_types,
+        )
+    new_field.validators = field.validators  # type: ignore[attr-defined]
+    new_field.pre_validators = field.pre_validators  # type: ignore[attr-defined]
+    new_field.post_validators = field.post_validators  # type: ignore[attr-defined]
+    new_field.parse_json = field.parse_json  # type: ignore[attr-defined]
+    new_field.shape = field.shape  # type: ignore[attr-defined]
+    new_field.populate_validators()  # type: ignore[attr-defined]
+    return new_field
+
+
+def generate_operation_id_for_path(
+    *, name: str, path: str, method: str
+) -> str:  # pragma: nocover
+    warnings.warn(
+        "fastapi.utils.generate_operation_id_for_path() was deprecated, "
+        "it is not used internally, and will be removed soon",
+        DeprecationWarning,
+        stacklevel=2,
+    )
+    operation_id = f"{name}{path}"
+    operation_id = re.sub(r"\W", "_", operation_id)
+    operation_id = f"{operation_id}_{method.lower()}"
+    return operation_id
+
+
+def generate_unique_id(route: "APIRoute") -> str:
+    operation_id = f"{route.name}{route.path_format}"
+    operation_id = re.sub(r"\W", "_", operation_id)
+    assert route.methods
+    operation_id = f"{operation_id}_{list(route.methods)[0].lower()}"
+    return operation_id
+
+
+def deep_dict_update(main_dict: Dict[Any, Any], update_dict: Dict[Any, Any]) -> None:
+    for key, value in update_dict.items():
+        if (
+            key in main_dict
+            and isinstance(main_dict[key], dict)
+            and isinstance(value, dict)
+        ):
+            deep_dict_update(main_dict[key], value)
+        elif (
+            key in main_dict
+            and isinstance(main_dict[key], list)
+            and isinstance(update_dict[key], list)
+        ):
+            main_dict[key] = main_dict[key] + update_dict[key]
+        else:
+            main_dict[key] = value
+
+
+def get_value_or_default(
+    first_item: Union[DefaultPlaceholder, DefaultType],
+    *extra_items: Union[DefaultPlaceholder, DefaultType],
+) -> Union[DefaultPlaceholder, DefaultType]:
+    """
+    Pass items or `DefaultPlaceholder`s by descending priority.
+
+    The first one to _not_ be a `DefaultPlaceholder` will be returned.
+
+    Otherwise, the first item (a `DefaultPlaceholder`) will be returned.
+    """
+    items = (first_item,) + extra_items
+    for item in items:
+        if not isinstance(item, DefaultPlaceholder):
+            return item
+    return first_item

backend_service/venv/lib/python3.13/site-packages/fastapi/websockets.py

@@ -0,0 +1,3 @@
+from starlette.websockets import WebSocket as WebSocket  # noqa
+from starlette.websockets import WebSocketDisconnect as WebSocketDisconnect  # noqa
+from starlette.websockets import WebSocketState as WebSocketState  # noqa