- Add EncryptedTextField for transparent Fernet encryption
- Create EmailAccount model with encrypted IMAP credentials
- Create EmailSyncStatus model for sync state tracking
- Create Email model with 30-day retention logic
- Follow existing blueprint patterns from users/conversation
- Update llm.py to use OpenAI client with custom base_url for llama-server
- Update agents.py to use ChatOpenAI instead of ChatOllama
- Remove unused ollama imports from main.py, chunker.py, query.py
- Add LLAMA_SERVER_URL and LLAMA_MODEL_NAME env vars
- Remove ollama and langchain-ollama dependencies
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
