zzstoatzz.io
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STATUS.md
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STATUS.md
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### December 2025
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#### pagination & album management (PRs #550-554, Dec 9-10)
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**tracks list pagination** (PR #554):
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- cursor-based pagination on `/tracks/` endpoint (default 50 per page)
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- infinite scroll on homepage using native IntersectionObserver
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- zero new dependencies - uses browser APIs only
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- pagination state persisted to localStorage for fast subsequent loads
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**album management improvements** (PRs #550-552):
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- album delete and track reorder fixes
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- album page edit mode matching playlist UX (inline title editing, cover upload)
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- optimistic UI updates for album title changes (instant feedback)
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- ATProto record sync when album title changes (updates all track records + list record)
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**playlist show on profile** (PR #553):
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- restored "show on profile" toggle that was lost during inline editing refactor
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- users can now control whether playlists appear on their public profile
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---
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#### public cost dashboard (PR #548, Dec 9)
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- `/costs` page showing live platform infrastructure costs
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---
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this is a living document. last updated 2025-12-10.
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docs/backend/background-tasks.md
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docs/backend/background-tasks.md
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background tasks handle operations that shouldn't block the request/response cycle:
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- **copyright scanning** - analyzes uploaded tracks for potential copyright matches
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- **media export** - downloads all tracks, zips them, and uploads to R2
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- **ATProto sync** - syncs records to user's PDS on login
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- **teal scrobbling** - scrobbles plays to user's PDS
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## architecture
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docs/frontend/state-management.md
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docs/frontend/state-management.md
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### tracks cache (`frontend/src/lib/tracks.svelte.ts`)
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- caches track list globally in localStorage
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- provides instant navigation by serving cached data
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- invalidates on new uploads
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- includes like status for each track (when authenticated)
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- simple invalidation model - no time-based expiry
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### tracks cache (`frontend/src/lib/tracks.svelte.ts`)
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- caches track list globally in localStorage
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- provides instant navigation by serving cached data
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- cursor-based pagination with `fetchMore()` for infinite scroll
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- pagination state (`nextCursor`, `hasMore`) persisted alongside tracks
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- invalidates on new uploads (resets to first page)
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- includes like status for each track (when authenticated)
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- simple invalidation model - no time-based expiry
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