Replace mock git history with real `git log` data via new `get_file_history`
Tauri command. Adds git.rs module with commands for file history, modified files,
file diff, commit, and push (all registered, later tasks wire up the UI).
Updates GitCommit type to include shortHash field.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Scaffold Vite + React + TypeScript frontend
- Add Tauri v2 backend with Rust
- Implement list_vault command: recursively scans .md files, parses
YAML frontmatter (Is A, aliases, Belongs to, Related to, Status,
Owner, Cadence), extracts title from H1 or filename
- 10 passing Rust tests for frontmatter parsing and vault scanning
- Configure Vitest and Playwright (test infrastructure)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>