Update requirements.txt

requirements.txt

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+# HIVE AI Tutor Assistant - Complete Dependencies
+# Auto-installation enabled in app.py, but listing all for HF Spaces deployment
+
+# Core ML & Interface
+torch>=2.0.0
+transformers>=4.44.0
+accelerate>=0.33.0
+gradio>=4.44.0
+numpy>=1.24.0
+psutil==5.9.8
+scikit-learn>=1.1.0
+
+# Knowledge & Memory
+sentence-transformers>=3.0.0
+faiss-cpu>=1.8.0
+datasets>=2.21.0
+huggingface-hub>=0.23.0,<1.0
+
+# Voice System (ASR/TTS/VAD/Phonics)
+faster-whisper>=1.0.0
+piper-tts>=1.2.0
+g2p_en>=2.1.0
+soundfile>=0.12.1
+librosa>=0.10.1
+webrtcvad>=2.0.10
+
+# Online Features
+requests>=2.31.0
+duckduckgo-search>=6.2.10
+feedparser>=6.0.11
+langid>=1.1.6
+
+# System Integration
+keyring>=24.3.1
+
+# Video (optional - enable with HIVE_VIDEO_ENABLED=1)
+# opencv-python>=4.8.0
+# pytesseract>=0.3.10
+# pillow>=10.0.0
+gradio>=4.44.0
+numpy>=1.24.0
+psutil==5.9.8
+requests>=2.31.0