- Add LLM-based verification to decide if generated notes should be kept
- Uses GPT-4o-mini to evaluate note quality and meaningfulness
- Prevents empty or idle-only notes from being created
- Update version to 0.9.1 in all package files
- Update Homebrew cask with new SHA256 hashes

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>