Initial project setup and dependencies

Set up Python 3.12.11 FastAPI project with security-focused dependency management.

Dependencies:
- FastAPI 0.123.9: Modern web framework
- Uvicorn 0.38.0: ASGI server with standard extras
- Pydantic 2.12.5: Data validation (updated for pydantic-ai)
- PydanticAI 1.27.0: LLM agent framework with Ollama support
- HTTPX 0.28.1: Async HTTP client
- SSE-Starlette 3.0.2: Server-Sent Events for streaming
- python-dotenv 1.2.1: Environment configuration

Security:
- All packages checked for CVEs (as of 2025-12-06)
- Minor version locking (>=X.Y,<X.(Y+1)) for supply chain protection
- CVE status documented in requirements.txt

Development tools:
- pytest 8.3.5 + pytest-asyncio for async testing
- pytest-cov 6.0.0 for coverage reporting
- ruff 0.8.6 for linting and formatting
- mypy 1.14.1 for type checking

Configuration:
- pyproject.toml: Build system, coverage, ruff, and mypy config
- .env.example: Environment variable template
- .gitignore: Comprehensive Python/FastAPI patterns

Target model: mistral-nemo:latest on external Ollama instance

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

.gitignore

@@ -0,0 +1,97 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# Virtual environments
+venv/
+env/
+ENV/
+.venv/
+.venv-*
+
+# PyCharm
+.idea/
+
+# VS Code
+.vscode/
+*.code-workspace
+
+# Environment variables
+.env
+.env.local
+.env.*.local
+
+# Jupyter Notebooks
+.ipynb_checkpoints/
+*.ipynb
+
+# Testing & Coverage
+.pytest_cache/
+.coverage
+.coverage.*
+coverage.xml
+htmlcov/
+.tox/
+.nox/
+*.cover
+.hypothesis/
+
+# Type checking
+.mypy_cache/
+.dmypy.json
+dmypy.json
+.pyre/
+.pytype/
+
+# Linting
+.ruff_cache/
+
+# Logs
+logs/
+*.log
+
+# Database
+*.db
+*.sqlite
+*.sqlite3
+
+# Ollama (if running locally)
+ollama_data/
+
+# Temporary & Backup files
+*.tmp
+*.bak
+*.swp
+*~
+*-backup-*.txt
+
+# OS-specific
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+Desktop.ini