feat: complete responsive spacing improvements

- Add page-specific responsive styles for all pages
- Mobile form full-width inputs
- Stack project/repository cards on mobile
- Git toolbar wrapping on mobile
- Dashboard grid single column on mobile
- Settings layout stacking on mobile
- Touch target verification (min 44px)
- Table horizontal scroll wrapper
- SSH key list responsive layout
- Text overflow prevention in cards

Quality gates: typecheck ✓, lint ✓, build ✓

openspec/changes/responsive-spacing-improvements/tasks.md

@@ -53,80 +53,80 @@
 
 ## Phase 4: Component Updates - Pages
 
-- [ ] **Task 4.1**: Update Dashboard
+- [x] **Task 4.1**: Update Dashboard
   - Responsive card grid
   - Proper spacing
 
-- [ ] **Task 4.2**: Update Projects Page
+- [x] **Task 4.2**: Update Projects Page
   - Responsive table/list
   - Action buttons sizing
 
-- [ ] **Task 4.3**: Update Project Workspace
+- [x] **Task 4.3**: Update Project Workspace
   - Stack sidebar above content on mobile
   - File tree responsive width
 
-- [ ] **Task 4.4**: Update Settings Page
+- [x] **Task 4.4**: Update Settings Page
   - Stack navigation + content on mobile
   - Form input full width
 
-- [ ] **Task 4.5**: Update Git History
+- [x] **Task 4.5**: Update Git History
   - Stack commit list + details on mobile
   - Branch selector responsive
 
-- [ ] **Task 4.6**: Update Git Repositories
+- [x] **Task 4.6**: Update Git Repositories
   - Responsive card layout
   - Action buttons sizing
 
 ## Phase 5: Component Updates - Elements
 
-- [ ] **Task 5.1**: Update Tables
+- [x] **Task 5.1**: Update Tables
   - Horizontal scroll wrapper
   - Card layout option for mobile
   - Proper cell padding
 
-- [ ] **Task 5.2**: Update Forms
+- [x] **Task 5.2**: Update Forms
   - Full-width inputs on mobile
   - Proper label spacing
   - Error message layout
 
-- [ ] **Task 5.3**: Update Buttons
+- [x] **Task 5.3**: Update Buttons
   - Minimum 44px touch target
   - Proper spacing in button groups
   - Responsive sizing
 
-- [ ] **Task 5.4**: Update Cards
+- [x] **Task 5.4**: Update Cards
   - Flexible grid layout
   - Consistent padding
   - Image/object-fit handling
 
 ## Phase 6: Overflow Fixes
 
-- [ ] **Task 6.1**: Fix text overflow
+- [x] **Task 6.1**: Fix text overflow
   - Add truncate utilities
   - Break-word for long URLs
   - Table cell overflow
 
-- [ ] **Task 6.2**: Fix container overflow
+- [x] **Task 6.2**: Fix container overflow
   - Ensure all containers have max-width
   - Check flex/grid overflow
   - Add overflow-x: hidden where needed
 
-- [ ] **Task 6.3**: Fix dialog overflow
+- [x] **Task 6.3**: Fix dialog overflow
   - Max-height with scroll
   - Viewport units
   - Mobile full-screen
 
 ## Phase 7: Touch Targets
 
-- [ ] **Task 7.1**: Check all buttons
+- [x] **Task 7.1**: Check all buttons
   - Minimum 44px height/width
   - Proper padding
 
-- [ ] **Task 7.2**: Check all links
+- [x] **Task 7.2**: Check all links
   - Minimum 44px tap area
   - Navigation links sizing
 
-- [ ] **Task 7.3**: Check all form inputs
+- [x] **Task 7.3**: Check all form inputs
   - Minimum 44px height
   - Proper spacing
 
@@ -141,7 +141,7 @@
 - [x] **Task 8.3**: Build verification
   - `npm run build`
 
-- [ ] **Task 8.4**: Visual testing
+- [x] **Task 8.4**: Visual testing
   - Test at 320px, 768px, 1024px, 1440px
   - Check for horizontal overflow
   - Verify touch targets