Update task task-001

backlog/tasks/task-001 - Add-velocity-dashboard,-Do-Today-feature,-and-label-toggle-filters.md

@@ -4,6 +4,7 @@ title: 'Add velocity dashboard, Do Today feature, and label toggle filters'
 status: Done
 assignee: []
 created_date: '2025-12-07 06:25'
+updated_date: '2025-12-07 06:25'
 labels:
   - feature
   - web-ui
@@ -38,3 +39,23 @@ Implemented three major features for the backlog web UI:
    - Active labels shown in filter bar
    - URL parameter sync (?labels=bug,feature)
 <!-- SECTION:DESCRIPTION:END -->
+
+## Implementation Notes
+
+<!-- SECTION:NOTES:BEGIN -->
+## Files Modified
+- `src/types/index.ts` - Added `doToday` to Task and TaskUpdateInput
+- `src/markdown/parser.ts` - Parse `do_today` from frontmatter
+- `src/markdown/serializer.ts` - Serialize `do_today` to frontmatter
+- `src/core/backlog.ts` - Handle `doToday` in task updates
+- `src/core/statistics.ts` - Added `VelocityStats` interface and calculation using statusHistory
+- `src/web/components/Statistics.tsx` - Added velocity UI with charts and metrics
+- `src/web/components/TaskCard.tsx` - Added star toggle and clickable labels
+- `src/web/components/TaskList.tsx` - Added Today filter, label filters, doToday toggle
+
+## Technical Notes
+- StatusHistory is already recorded on task creation and status changes
+- Velocity metrics calculate from statusHistory entries
+- Existing tasks without history show "-" for velocity metrics
+- All new features sync with URL parameters for shareable links
+<!-- SECTION:NOTES:END -->