Release v0.1.2.\n\nChanges:\n- Replaces the update stub with distribution-aware update checks and package-manager upgrade commands.\n- Makes general, repos, and conversations ingest modes mode-aware instead of naive splitters.\n- Implements bounded graph expansion helpers and fixes reverse-edge traversal in SQLite graph neighbors.\n\nPublished crates: paperfoot-engram* 0.1.2. Homebrew: paperfoot/tap/engram 0.1.2.