- Use NextcloudClient with BasicAuth instead of raw httpx
- Replace direct HTTP POST with notes.create_note() method
- Add close() method to LLMProvider Protocol for proper cleanup
- Fix type annotations for dataset iteration
This improves code reuse and consistency with the rest of the codebase.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>