Update TODO.md with completed UI enhancements

- Add new section "Post-MVP UI Enhancements" with all completed tasks
- Update progress snapshot with current date and status
- Document date formatting, breadcrumbs, menu restructuring, and clickable rows

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

TODO.md

@@ -150,11 +150,31 @@ Status legend: `[ ] todo` `[-] in progress` `[x] done` `[!] blocked`
 
 ---
 
+## Post-MVP UI Enhancements
+
+**Goal:** improve operator experience and UI usability.
+
+- [x] Date formatting (YYYY-MM-DD with hover tooltip for full timestamp)
+- [x] Breadcrumb navigation with hospital icon across all pages
+- [x] Restructured main menu with grouped dropdowns (Hardware, Health, Settings)
+- [x] Clickable table rows on Dashboard, Assets, and Components pages
+- [x] Customers page with list view
+- [x] Improved dropdown menu stability with hover delay
+
+**Definition of done:**
+- UI provides intuitive navigation and improved date readability
+- All pages have consistent breadcrumb navigation
+
+**Completed:** 2026-02-14
+
+---
+
 ## Progress Snapshot
 
 Update this section after each merged PR.
 
-- Last update: 2026-02-05
-- Current milestone: Cross-Cutting Tasks
-- MVP-1 progress: 5/5 milestones completed (Milestone 0 done, Milestone 1 done, Milestone 2 done, Milestone 3 done, Milestone 4 done)
+- Last update: 2026-02-14
+- Current milestone: Post-MVP UI Enhancements (completed), Cross-Cutting Tasks
+- MVP-1 progress: 5/5 milestones completed (Milestone 0 done, Milestone 1 done, Milestone 2 done, Milestone 3 done, Milestone 4 done, Milestone 5 done)
+- UI Enhancements: 6/6 tasks completed
 - Active blockers: none