Add hidden notes feature, note filters, detail view edit/delete, and dynamic styling
- Hidden notes feature: hide/unhide notes with dedicated view, matching main list styling
- Filter buttons: All Notes, My Shared, Shared With Me, Job Notes, Manager Notes, Personal Notes
- Note detail view: dynamic background colors matching note card styling
- Edit functionality: double-click title/body to edit, inline save/cancel
- Soft delete: delete button with confirmation, sets delete=true in database
- Icon updates: magnifying glass for hide/unhide actions (14px)
- Session log: documented all feature changes
aewing
1b751742dc