Implement architectural refactors for feature requests #28, #30, #31, #33-38

Phase 1: Bugs as First-Class Atoms (#28)
- Add resolved_at column to bugs table (migration 007)
- Add GetUnresolvedBugs(), ResolveBug(), UnresolveBug() store methods
- Include bugs in Tasks tab via BugToAtom() with completion toggle
- Add unit tests for bug resolution

Phase 2: Timeline as Default + Enhancements (#35, #37)
- Change default tab from tasks to timeline
- Add IsCompleted, DaySection, Source fields to TimelineItem
- Group timeline items by today/tomorrow/later sections
- Add completion checkboxes for tasks/cards, grey completed items
- Collapse tomorrow/later sections by default

Phase 3: Shopping Quick-Add (#33)
- Add user_shopping_items table (migration 008)
- Add SaveUserShoppingItem(), GetUserShoppingItems(), ToggleUserShoppingItem()
- Add HandleShoppingQuickAdd() and HandleShoppingToggle() handlers
- Add quick-add form to shopping tab

Phase 4: Mobile Swipe Navigation (#38)
- Add touch event handlers for swipe left/right tab switching
- 50px threshold triggers tab change

Phase 5: Consistent Background Opacity (#30)
- Add CSS variables for panel/card/input/modal backgrounds
- Update templates to use consistent opacity classes

Phase 6: Tab Reorganization (#37)
- Reorganize tabs: Timeline, Shopping, Conditions as main tabs
- Move Tasks, Planning, Meals under Details dropdown

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

1 files changed, 21 insertions, 6 deletions

diff --git a/internal/handlers/timeline.go b/internal/handlers/timeline.go
index b923d3e..ce0e831 100644
--- a/internal/handlers/timeline.go
+++ b/internal/handlers/timeline.go
@@ -8,6 +8,15 @@ import (
 	"task-dashboard/internal/models"
 )
 
+// TimelineData holds grouped timeline items for the template
+type TimelineData struct {
+	TodayItems    []models.TimelineItem
+	TomorrowItems []models.TimelineItem
+	LaterItems    []models.TimelineItem
+	Start         time.Time
+	Days          int
+}
+
 // HandleTimeline renders the timeline view
 func (h *Handler) HandleTimeline(w http.ResponseWriter, r *http.Request) {
 	// Parse query params
@@ -45,15 +54,21 @@ func (h *Handler) HandleTimeline(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	data := struct {
-		Items []models.TimelineItem
-		Start time.Time
-		Days  int
-	}{
-		Items: items,
+	// Group items by day section
+	data := TimelineData{
 		Start: start,
 		Days:  days,
 	}
+	for _, item := range items {
+		switch item.DaySection {
+		case models.DaySectionToday:
+			data.TodayItems = append(data.TodayItems, item)
+		case models.DaySectionTomorrow:
+			data.TomorrowItems = append(data.TomorrowItems, item)
+		case models.DaySectionLater:
+			data.LaterItems = append(data.LaterItems, item)
+		}
+	}
 
 	HTMLResponse(w, h.templates, "timeline-tab", data)
 }