🟡 [MEDIUM] Implement voice embedding generation

[ucguy4u]

Description

Implement voice embedding generation for cross-meeting speaker recognition.

Tasks

• Choose embedding model (AssemblyAI or custom)
• Generate embeddings from audio segments
• Store embeddings in Firestore/Cloud Storage
• Add embedding retrieval logic
• Test embedding quality

Estimated Time

2 days

Priority

MEDIUM - Enhances speaker recognition

Dependencies

• AssemblyAI integration complete
• Firestore setup complete

Related Files

• src/persona/voice_memory.py
• src/validation/audio_processor.py