Adds FilterBuilder, TrackerConfig, TrackerList components and routes
the /projects/:projectId/trackers/new path to TrackerConfig.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Manually scaffolded Tauri 2 + React + TypeScript + Vite project
structure since the CLI requires an interactive terminal. Preserves
existing docs/ and .git history.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>