chore: 添加项目配置文件

- 添加 Python 项目配置 (pyproject.toml)
- 添加环境变量示例 (.env.example)
- 添加 Docker 忽略文件 (.dockerignore)
- 添加 TypeScript 配置 (tsconfig.json, tsconfig.node.json)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/.dockerignore

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+# Git
+.git
+.gitignore
+
+# Python
+__pycache__
+*.py[cod]
+*$py.class
+*.so
+.Python
+venv/
+.venv/
+env/
+.env
+*.egg-info/
+dist/
+build/
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# Testing
+.pytest_cache/
+.coverage
+htmlcov/
+
+# Logs
+*.log
+logs/
+
+# Database
+*.db
+*.sqlite
+*.sqlite3
+
+# Uploads (should be persisted separately)
+uploads/*
+!uploads/.gitkeep
+
+# Docker
+Dockerfile
+.dockerignore
+
+# Misc
+.DS_Store
+*.md
+docs/

backend/.env.example

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+# Application
+APP_NAME=YG-Dataset
+DEBUG=true
+HOST=0.0.0.0
+PORT=8000
+ALLOWED_ORIGINS=*
+
+# Database - Use SQLite for development, PostgreSQL for production
+DATABASE_URL=sqlite+aiosqlite:///./ygdataset.db
+DATABASE_URL_SYNC=sqlite:///./ygdataset.db
+
+# Security
+SECRET_KEY=your-secret-key-change-in-production
+
+# File Storage
+UPLOAD_DIR=./uploads
+MAX_FILE_SIZE=104857600
+
+# LLM Settings
+DEFAULT_MODEL_PROVIDER=openai
+DEFAULT_MODEL_NAME=gpt-4o-mini
+
+# Logging
+LOG_LEVEL=INFO

backend/pyproject.toml

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+[build-system]
+requires = ["setuptools>=61.0", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "yg-dataset"
+version = "1.0.0"
+description = "Dataset Generation Platform API"
+readme = "README.md"
+requires-python = ">=3.11"
+license = {text = "MIT"}
+authors = [
+    {name = "YG-Dataset Team", email = "team@yg-dataset.com"}
+]
+keywords = ["dataset", "machine-learning", "llm", "data-generation"]
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Framework :: FastAPI",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: MIT License",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+]
+
+dependencies = [
+    "fastapi>=0.115.0",
+    "uvicorn[standard]>=0.30.0",
+    "python-multipart>=0.0.9",
+    "sqlalchemy>=2.0.0",
+    "alembic>=1.13.0",
+    "pydantic>=2.0.0",
+    "pydantic-settings>=2.0.0",
+    "pdfplumber>=0.10.4",
+    "python-docx>=1.1.0",
+    "openpyxl>=3.1.2",
+    "pandas>=2.2.0",
+    "ebooklib>=0.5",
+    "PyMuPDF>=1.24.0",
+    "langchain>=0.3.0",
+    "langchain-community>=0.2.0",
+    "langchain-openai>=0.1.0",
+    "tiktoken>=0.7.0",
+    "python-dotenv>=1.0.0",
+    "python-dateutil>=2.8.2",
+    "httpx>=0.27.0",
+    "aiofiles>=23.2.1",
+]
+
+[project.optional-dependencies]
+dev = [
+    "pytest>=8.0.0",
+    "pytest-asyncio>=0.23.0",
+    "pytest-cov>=4.1.0",
+    "ruff>=0.3.0",
+    "mypy>=1.8.0",
+    "pre-commit>=3.6.0",
+    "black>=24.2.0",
+]
+
+[tool.uv]
+dev-dependencies = [
+    "pytest>=8.0.0",
+    "pytest-asyncio>=0.23.0",
+    "pytest-cov>=4.1.0",
+    "ruff>=0.3.0",
+    "mypy>=1.8.0",
+]
+
+[tool.ruff]
+line-length = 100
+target-version = "py311"
+
+[tool.ruff.lint]
+select = [
+    "E",   # pycodestyle errors
+    "W",   # pycodestyle warnings
+    "F",   # pyflakes
+    "I",   # isort
+    "B",   # flake8-bugbear
+    "C4",  # flake8-comprehensions
+    "UP",  # pyupgrade
+]
+ignore = [
+    "E501",  # line too long (handled by formatter)
+    "B008",  # do not perform function calls in argument defaults
+]
+
+[tool.mypy]
+python_version = "3.11"
+warn_return_any = true
+warn_unused_configs = true
+disallow_untyped_defs = false
+disallow_incomplete_defs = false
+check_untyped_defs = true
+no_implicit_optional = true
+warn_redundant_casts = true
+warn_unused_ignores = true
+warn_no_return = true
+
+[tool.pytest.ini_options]
+asyncio_mode = "auto"
+testpaths = ["tests"]
+python_files = ["test_*.py"]
+python_classes = ["Test*"]
+python_functions = ["test_*"]
+addopts = "-v --tb=short"
+
+[tool.coverage.run]
+source = ["app"]
+omit = [
+    "*/tests/*",
+    "*/venv/*",
+]
+
+[tool.coverage.report]
+exclude_lines = [
+    "pragma: no cover",
+    "def __repr__",
+    "raise AssertionError",
+    "raise NotImplementedError",
+    "if __name__ == .__main__.:",
+]
+
+[project.scripts]
+yg-dataset = "app.main:main"

frontend/tsconfig.json

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+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "useDefineForClassFields": true,
+    "module": "ESNext",
+    "lib": ["ES2020", "DOM", "DOM.Iterable"],
+    "skipLibCheck": true,
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "noEmit": true,
+    "jsx": "preserve",
+    "strict": true,
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noFallthroughCasesInSwitch": true,
+    "paths": {
+      "@/*": ["./src/*"]
+    },
+    "baseUrl": ".",
+    "types": ["vite/client"]
+  },
+  "include": ["src/**/*.ts", "src/**/*.tsx", "src/**/*.vue"],
+  "references": [{ "path": "./tsconfig.node.json" }]
+}

frontend/tsconfig.node.json

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+{
+  "compilerOptions": {
+    "composite": true,
+    "skipLibCheck": true,
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "allowSyntheticDefaultImports": true,
+    "strict": true
+  },
+  "include": ["vite.config.ts"]
+}