chore(backlog): add tasks for media keys and loop-once bugs

Author: pythoninthegrass

backlog/tasks/task-283 - Fix-media-keys-F7-F9-prev-next-not-working-on-macOS.md

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+---
+id: TASK-283
+title: Fix media keys (F7/F9 prev/next) not working on macOS
+status: To Do
+assignee: []
+created_date: '2026-02-22 22:16'
+labels:
+  - bug
+  - macos
+  - media-keys
+  - playback
+dependencies: []
+priority: medium
+---
+
+## Description
+
+<!-- SECTION:DESCRIPTION:BEGIN -->
+The builtin macOS media keys F7 (previous track) and F9 (next track) are not functioning in the app. These should trigger prev/next track playback control.
+<!-- SECTION:DESCRIPTION:END -->
+
+## Acceptance Criteria
+<!-- AC:BEGIN -->
+- [ ] #1 F7 key triggers previous track
+- [ ] #2 F9 key triggers next track
+- [ ] #3 Media keys work when app is in focus
+- [ ] #4 Media keys work when app is in background (if applicable to macOS media key behavior)
+<!-- AC:END -->

backlog/tasks/task-284 - Fix-loop-once-not-re-queuing-current-track.md

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+---
+id: TASK-284
+title: Fix loop-once not re-queuing current track
+status: To Do
+assignee: []
+created_date: '2026-02-22 22:16'
+labels:
+  - bug
+  - playback
+  - loop
+dependencies: []
+priority: medium
+---
+
+## Description
+
+<!-- SECTION:DESCRIPTION:BEGIN -->
+Loop once mode fails to re-queue the current track when it ends. The track should restart from the beginning instead of advancing to the next track.
+<!-- SECTION:DESCRIPTION:END -->
+
+## Acceptance Criteria
+<!-- AC:BEGIN -->
+- [ ] #1 When loop-once is active, the current track restarts when it ends
+- [ ] #2 After restarting once, playback proceeds normally to the next track
+- [ ] #3 Loop-once state is correctly cleared after the single repeat
+- [ ] #4 Other loop modes (loop-all, no-loop) are unaffected
+<!-- AC:END -->