Update requirements.txt

requirements.txt

@@ -1,3 +1,34 @@
-altair
-pandas
-streamlit
+streamlit>=1.31.0
+pymongo[srv]>=4.3.3
+python-dotenv>=1.0.0
+
+opencv-python-headless>=4.8.0.74
+Pillow>=10.1.0
+numpy>=1.24.0
+
+fer>=22.5.0
+mtcnn>=0.1.1
+tensorflow-cpu==2.14.0
+
+sentence-transformers>=2.2.2
+faiss-cpu>=1.7.4
+
+huggingface-hub>=0.20.2
+
+plotly>=5.18.0
+pandas>=2.1.0
+
+requests>=2.31.0
+bcrypt>=4.1.2
+
+# Speech recognition (optional, comment out if not used)
+SpeechRecognition>=3.10.0
+
+# Audio output safety
+pyttsx3>=2.90
+
+# Streamlit camera + UI assets
+altair>=5.2.0
+
+# DB caching
+cachetools>=5.3.2