Complete app backend persistence queue

[Cmochance]

Summary

• finish P16-P30 app backend persistence with app-state and shared media-library storage
• add server-backed music, video, PDF, paint, calculator/game/radio persistence paths
• update README, CHANGELOG, technical notes, and v1.0.2 release notes

Validation

• npm run build
• git diff --check
• git diff --cached --check

[chatgpt-codex-connector]

💡 Codex Review

mochan-linux/web/src/apps/MusicPlayer.tsx

Line 170 in bb02325

if (!loadedRef.current || !payloadPath || !isAudioName(payloadPath)) return;

Trigger payload import after initial media load

The payload-open effect is gated by loadedRef.current, but loadedRef is a ref mutation and does not trigger a re-render. When a window is opened from File Manager, payloadPath is usually already set on first render, so this effect runs once, bails out (loadedRef.current === false), and never runs again after the async library load completes; the requested file is therefore not opened. This breaks the open-with flow for this app (and the same pattern appears in the new Video/PDF handlers).

---

mochan-linux/web/src/apps/Camera.tsx

Lines 221 to 223 in bb02325

	const deletePhoto = (id: string) => {
	setPhotos(prev => prev.filter(p => p.id !== id));
	if (lightboxPhoto === id) setLightboxPhoto(null);

Persist camera deletions to shared photo state

Deleting a photo only updates the local photos state, but this component now reloads captures from the shared photo library on mount. As a result, deleted camera photos reappear after reopening the app or refreshing because their metadata was never removed from persisted storage. The delete path should also update the shared photo library/app-state record, not just in-memory UI state.

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