Update requirements.txt

requirements.txt

@@ -1,27 +1,54 @@
-# === Web framework ===
+# === Core Backend Framework ===
 fastapi
 uvicorn
 python-multipart
 pydantic
 
-# === OCR & PDF tools ===
+# === ML / DL Frameworks ===
+torch
+sentence-transformers
+scikit-learn
+ctranslate2
+sentencepiece
+transformers
+
+# === Vision / OCR ===
+opencv-python-headless
 paddleocr
 paddlepaddle
-PyMuPDF
+doctr
+camelot-py[cv]
 pdf2image
+PyMuPDF
 pdfplumber
-camelot-py[cv]
+python-docx
 Pillow
-opencv-python-headless
 
-sentence-transformers
+# === Text / Translation ===
+langdetect
+google-generativeai
 
-# === Storage / Caching ===
+# === Data / Storage ===
+pandas
+openpyxl
 boto3
-tinydb
 
-# === Utility ===
+# === Signature Detection ===
+inference
 requests
 
+# === LLM Clients ===
+mistralai
+
+# === Misc ===
+langgraph>=0.0.30
+langchain
+gradio
+gradio_client
+python-dotenv
+
 # === Vector Store ===
 qdrant-client
+
+ultralytics
+docx2pdf