final feature set

tasks/episode-downloads/16-download-progress-tracking.md

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+# 16. Implement Download Progress Tracking
+
+meta:
+  id: episode-downloads-16
+  feature: episode-downloads
+  priority: P2
+  depends_on: [episode-downloads-15]
+  tags: [progress, state-management, downloads]
+
+objective:
+- Track download progress for each episode
+- Update download state in real-time
+- Store download progress in persistent storage
+
+deliverables:
+- Download progress state in app store
+- Progress update utility
+- Integration with download utility
+
+steps:
+1. Add download state to app store
+2. Update progress during download
+3. Save progress to persistent storage
+4. Handle download completion
+5. Test progress tracking accuracy
+
+tests:
+- Unit: Test progress update logic
+- Integration: Test progress tracking with download
+- Persistence: Verify progress saved and restored
+
+acceptance_criteria:
+- Download progress is tracked accurately
+- Progress updates in real-time
+- Progress persists across app restarts
+
+validation:
+- Download a large file and watch progress
+- Verify progress updates at intervals
+- Restart app and verify progress restored
+
+notes:
+- Use existing progress store for episode playback
+- Create separate download progress store
+- Update progress every 1-2 seconds
+- Handle download cancellation by resetting progress
+- Store progress in XDG_CONFIG_HOME directory