Create agentd web subcommand that provides a web dashboard for inspecting agent state.
Features:
- Browse, search, and manage notes (from notes table)
- Browse, search, and manage memory/knowledge graph
- Show embeddings status, enable similarity search
- Visualize memory connections
- Filter by user and topic
- Allow deletion of stale memories
Implementation:
- Define in
Omni/Agentd/Web.hs - Use Servant for HTTP server and Lucid for HTML templates
- Reference:
Omni/Jr/Web.hs was deleted but can be recovered from git history for patterns
Consolidates t-257 and t-258.