final feature set

tasks/discover-categories-fix/20-category-filter-debug.md

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+# 20. Debug Category Filter Implementation
+
+meta:
+  id: discover-categories-fix-20
+  feature: discover-categories-fix
+  priority: P2
+  depends_on: []
+  tags: [debugging, discover, categories]
+
+objective:
+- Identify why category filter is not working
+- Analyze CategoryFilter component behavior
+- Trace state flow from category selection to show filtering
+
+deliverables:
+- Debugged category filter logic
+- Identified root cause of issue
+- Test cases to verify fix
+
+steps:
+1. Review CategoryFilter component implementation
+2. Review DiscoverPage category selection handler
+3. Review discover store category filtering logic
+4. Add console logging to trace state changes
+5. Test with various category selections
+
+tests:
+- Debug: Test category selection in UI
+- Debug: Verify state updates in console
+- Manual: Select different categories and observe behavior
+
+acceptance_criteria:
+- Root cause of category filter issue identified
+- State flow from category to shows is traced
+- Specific code causing issue identified
+
+validation:
+- Run app and select categories
+- Check console for state updates
+- Verify which component is not responding correctly
+
+notes:
+- Check if categoryIndex signal is updated
+- Verify discoverStore.setSelectedCategory() is called
+- Check if filteredPodcasts() is recalculated
+- Look for race conditions or state sync issues
+- Add temporary logging to trace state changes

tasks/discover-categories-fix/21-category-state-sync.md

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+# 21. Fix Category State Synchronization
+
+meta:
+  id: discover-categories-fix-21
+  feature: discover-categories-fix
+  priority: P2
+  depends_on: [discover-categories-fix-20]
+  tags: [state-management, discover, categories]
+
+objective:
+- Ensure category state is properly synchronized across components
+- Fix state updates not triggering re-renders
+- Ensure category selection persists correctly
+
+deliverables:
+- Fixed state synchronization logic
+- Updated category selection handlers
+- Verified state propagation
+
+steps:
+1. Fix category state update handlers in DiscoverPage
+2. Ensure discoverStore.setSelectedCategory() is called correctly
+3. Fix signal updates to trigger component re-renders
+4. Test state synchronization across component updates
+5. Verify category state persists on navigation
+
+tests:
+- Unit: Test state update handlers
+- Integration: Test category selection and state updates
+- Manual: Navigate between tabs and verify category state
+
+acceptance_criteria:
+- Category state updates propagate correctly
+- Component re-renders when category changes
+- Category selection persists across navigation
+
+validation:
+- Select category and verify show list updates
+- Switch tabs and back, verify category still selected
+- Test category navigation with keyboard
+
+notes:
+- Check if signals are properly created and updated
+- Verify discoverStore state is reactive
+- Ensure CategoryFilter and TrendingShows receive updated data
+- Test with multiple category selections
+- Add state persistence if needed

tasks/discover-categories-fix/22-category-navigation-fix.md

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+# 22. Fix Category Keyboard Navigation
+
+meta:
+  id: discover-categories-fix-22
+  feature: discover-categories-fix
+  priority: P2
+  depends_on: [discover-categories-fix-21]
+  tags: [keyboard, navigation, discover]
+
+objective:
+- Fix keyboard navigation for categories
+- Ensure category selection works with arrow keys
+- Fix category index tracking during navigation
+
+deliverables:
+- Fixed keyboard navigation handlers
+- Updated category index tracking
+- Verified navigation works correctly
+
+steps:
+1. Review keyboard navigation in DiscoverPage
+2. Fix category index signal updates
+3. Ensure categoryIndex signal is updated on arrow key presses
+4. Test category navigation with arrow keys
+5. Fix category selection on Enter key
+
+tests:
+- Integration: Test category navigation with keyboard
+- Manual: Navigate categories with arrow keys
+- Edge case: Test category navigation from shows list
+
+acceptance_criteria:
+- Arrow keys navigate categories correctly
+- Category index updates on navigation
+- Enter key selects category and updates shows list
+
+validation:
+- Use arrow keys to navigate categories
+- Verify category highlight moves correctly
+- Press Enter to select category and verify show list updates
+
+notes:
+- Check if categoryIndex signal is bound correctly
+- Ensure arrow keys update categoryIndex signal
+- Verify categoryIndex is used in filteredPodcasts()
+- Test category navigation from shows list back to categories
+- Add keyboard hints in UI

tasks/discover-categories-fix/README.md

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+# Discover Categories Shortcuts Fix
+
+Objective: Fix broken discover category filter functionality
+
+Status legend: [ ] todo, [~] in-progress, [x] done
+
+Tasks
+- [ ] 20 — Debug category filter implementation → `20-category-filter-debug.md`
+- [ ] 21 — Fix category state synchronization → `21-category-state-sync.md`
+- [ ] 22 — Fix category keyboard navigation → `22-category-navigation-fix.md`
+
+Dependencies
+- 20 -> 21
+- 21 -> 22
+
+Exit criteria
+- Category filter correctly updates show list
+- Keyboard navigation works for categories
+- Category selection persists during navigation