# ─── Core LLM & RAG ───────────────────────────────────────────────────────────
langchain>=0.2.16,<1.0.0
langchain-core>=0.2.0,<1.0.0
langchain-community>=0.2.16,<1.0.0
langchain-huggingface>=0.0.3,<1.0.0
langchain-text-splitters>=0.2.0,<1.0.0

# ─── Hugging Face ─────────────────────────────────────────────────────────────
transformers>=4.44.2,<5.0.0
huggingface-hub>=0.24.6
sentence-transformers>=3.0.1,<4.0.0
torch>=2.6.0

# ─── Vector Store ─────────────────────────────────────────────────────────────
faiss-cpu>=1.8.0

# ─── Document Loading ─────────────────────────────────────────────────────────
pypdf>=4.3.1
python-docx>=1.1.2

# ─── Utilities ────────────────────────────────────────────────────────────────
# NOTE: do NOT add gradio here — HF Spaces installs gradio==4.42.0 itself.
python-dotenv>=1.0.1
pydantic>=2.8.2
tqdm>=4.66.5