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/pygments/lexers/ptx.py

@@ -0,0 +1,119 @@
+"""
+    pygments.lexers.ptx
+    ~~~~~~~~~~~~~~~~~~~
+
+    Lexer for other PTX language.
+
+    :copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pygments.lexer import RegexLexer, include, words
+from pygments.token import Comment, Keyword, Name, String, Number, \
+    Punctuation, Whitespace, Operator
+
+__all__ = ["PtxLexer"]
+
+
+class PtxLexer(RegexLexer):
+    """
+    For NVIDIA `PTX <https://docs.nvidia.com/cuda/parallel-thread-execution/>`_
+    source.
+    """
+    name = 'PTX'
+    url = "https://docs.nvidia.com/cuda/parallel-thread-execution/"
+    filenames = ['*.ptx']
+    aliases = ['ptx']
+    mimetypes = ['text/x-ptx']
+    version_added = '2.16'
+
+    #: optional Comment or Whitespace
+    string = r'"[^"]*?"'
+    followsym = r'[a-zA-Z0-9_$]'
+    identifier = r'([-a-zA-Z$._][\w\-$.]*|' + string + ')'
+    block_label = r'(' + identifier + r'|(\d+))'
+
+    tokens = {
+        'root': [
+            include('whitespace'),
+
+            (block_label + r'\s*:', Name.Label),
+
+            include('keyword'),
+
+            (r'%' + identifier, Name.Variable),
+            (r'%\d+', Name.Variable.Anonymous),
+            (r'c?' + string, String),
+            (identifier, Name.Variable),
+            (r';', Punctuation),
+            (r'[*+-/]', Operator),
+
+            (r'0[xX][a-fA-F0-9]+', Number),
+            (r'-?\d+(?:[.]\d+)?(?:[eE][-+]?\d+(?:[.]\d+)?)?', Number),
+
+            (r'[=<>{}\[\]()*.,!]|x\b', Punctuation)
+
+        ],
+        'whitespace': [
+            (r'(\n|\s+)+', Whitespace),
+            (r'//.*?\n', Comment)
+        ],
+
+        'keyword': [
+            # Instruction keywords
+            (words((
+                'abs', 'discard', 'min', 'shf', 'vadd',
+                'activemask', 'div', 'mma', 'shfl', 'vadd2',
+                'add', 'dp2a', 'mov', 'shl', 'vadd4',
+                'addc', 'dp4a', 'movmatrix', 'shr', 'vavrg2',
+                'alloca', 'elect', 'mul', 'sin', 'vavrg4',
+                'and', 'ex2', 'mul24', 'slct', 'vmad',
+                'applypriority', 'exit', 'multimem', 'sqrt', 'vmax',
+                'atom', 'fence', 'nanosleep', 'st', 'vmax2',
+                'bar', 'fma', 'neg', 'stackrestore', 'vmax4',
+                'barrier', 'fns', 'not', 'stacksave', 'vmin',
+                'bfe', 'getctarank', 'or', 'stmatrix', 'vmin2',
+                'bfi', 'griddepcontrol', 'pmevent', 'sub', 'vmin4',
+                'bfind', 'isspacep', 'popc', 'subc', 'vote',
+                'bmsk', 'istypep', 'prefetch', 'suld', 'vset',
+                'bra', 'ld', 'prefetchu', 'suq', 'vset2',
+                'brev', 'ldmatrix', 'prmt', 'sured', 'vset4',
+                'brkpt', 'ldu', 'rcp', 'sust', 'vshl',
+                'brx', 'lg2', 'red', 'szext', 'vshr',
+                'call', 'lop3', 'redux', 'tanh', 'vsub',
+                'clz', 'mad', 'rem', 'testp', 'vsub2',
+                'cnot', 'mad24', 'ret', 'tex', 'vsub4',
+                'copysign', 'madc', 'rsqrt', 'tld4', 'wgmma',
+                'cos', 'mapa', 'sad', 'trap', 'wmma',
+                'cp', 'match', 'selp', 'txq', 'xor',
+                'createpolicy', 'max', 'set', 'vabsdiff', 'cvt',
+                'mbarrier', 'setmaxnreg', 'vabsdiff2', 'cvta',
+                'membar', 'setp', 'vabsdiff4')), Keyword),
+            # State Spaces and Suffixes
+            (words((
+                'reg', '.sreg', '.const', '.global',
+                '.local', '.param', '.shared', '.tex',
+                '.wide', '.loc'
+            )), Keyword.Pseudo),
+            # PTX Directives
+            (words((
+                '.address_size', '.explicitcluster', '.maxnreg', '.section',
+                '.alias', '.extern', '.maxntid', '.shared',
+                '.align', '.file', '.minnctapersm', '.sreg',
+                '.branchtargets', '.func', '.noreturn', '.target',
+                '.callprototype', '.global', '.param', '.tex',
+                '.calltargets', '.loc', '.pragma', '.version',
+                '.common', '.local', '.reg', '.visible',
+                '.const', '.maxclusterrank', '.reqnctapercluster', '.weak',
+                '.entry', '.maxnctapersm', '.reqntid')), Keyword.Reserved),
+            # Fundamental Types
+            (words((
+                '.s8', '.s16', '.s32', '.s64',
+                '.u8', '.u16', '.u32', '.u64',
+                '.f16', '.f16x2', '.f32', '.f64',
+                '.b8', '.b16', '.b32', '.b64',
+                '.pred'
+            )), Keyword.Type)
+        ],
+
+    }