requirements-api.txt

# requirements-api.txt
# Lightweight dependencies for the API server only.
# Fine-tuning packages (torch, peft, bitsandbytes, trl) are NOT included here
# — they are only needed when running fine_tuning/train.py on a GPU machine.

# ── API framework ─────────────────────────────────────────────────────────────
fastapi>=0.111.0
uvicorn[standard]>=0.29.0
websockets>=12.0
python-dotenv>=1.0.0
pydantic>=2.7.0
pydantic-settings>=2.2.0
httpx>=0.27.0
tenacity>=8.3.0

# ── LLM providers (free) ──────────────────────────────────────────────────────
groq>=0.9.0
google-generativeai>=0.7.0

# ── Retrieval & Localisation ──────────────────────────────────────────────────
rank-bm25>=0.2.2
sentence-transformers>=3.0.0   # includes torch (CPU), but much smaller than full torch
networkx>=3.3
numpy>=1.26.0
scipy>=1.13.0
scikit-learn>=1.4.0

# ── AST & Code Understanding ──────────────────────────────────────────────────
tree-sitter>=0.22.0
tree-sitter-python>=0.22.0

# ── Caching & Redis ───────────────────────────────────────────────────────────
diskcache>=5.6.3
redis>=5.0.4

# ── Observability ─────────────────────────────────────────────────────────────
structlog>=24.1.0
prometheus-client>=0.20.0
slowapi>=0.1.9

# ── Utilities ─────────────────────────────────────────────────────────────────
gitpython>=3.1.43
unidiff>=0.7.5
rich>=13.7.0