415 lines
23 KiB
Markdown
415 lines
23 KiB
Markdown
# Implementation summaries
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## captures follow-up: W on queues and bookmarks (2026-07-21)
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Small fix on top of the captures feature: `/queues` and `/bookmarks`
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nodes are now `W`-capturable. `fsdy::Client` gained
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`with_downloadable_nodes()` (instance-wide `is_downloadable`, applied to
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the queues and bookmarks mounts; `/fs` and `/captures` stay off), and
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the download sink softens all-or-nothing for exactly one case: a track
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whose source cannot be captured — stream resolution fails, or resolves
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to a non-http(s) target like a local file playable — is skipped with a
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warning instead of aborting, since queue/bookmark captures mix
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providers. Real download failures (bad status, transport, timeout) stay
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fatal. `architecture/captures.md` D3/D4 reconciled; new tests
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`downloadable_instances_flag_every_node` (fsdy) and
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`download_capture_skips_uncapturable_tracks` (capture store).
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## youtube-provider (2026-07-21)
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Built per `plan/youtube-provider.md`: a new workspace crate **`ytdy`**
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mounts YouTube at `/youtube`, backed by a `yt-dlp` subprocess (declared
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in `devenv.nix`). All extraction goes through one `Engine` seam:
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argv-only invocations with `--no-warnings`, an optional `--cookies`
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flag, a per-call timeout (`kill_on_drop`), a 32 MiB stdout cap, and
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typed `EngineError`s — tests drive the whole provider through a fake
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shell-script binary, no network.
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Search needs no login and mirrors tidal's search exactly: `%` on
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`/youtube/search` creates an in-memory term (deduplicated, implicitly
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recreated on stale paths, rename re-searches, delete idempotent), whose
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node lists the top N (`ytsearchN:`, default 20) results as queueable,
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downloadable tracks. With a readable cookies file configured in
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`ytdy.toml` ("logged in"), a `playlists` subtree appears
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(`feed/playlists` flat listing → playlist nodes with tracks); an
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unreadable cookies file degrades to logged-out with a warning, never a
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failed init. Streams resolve via `-f bestaudio/best -g`; captures work
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end to end (`extension_for` gained `audio/webm → webm`). The
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orchestrator wires `/youtube` non-fatally: a failed `--version` probe
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disables the provider, nothing else.
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Deviations: `Entry` keeps separate `uploader`/`channel` fields with an
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`artist()` preference — the planned serde alias rejects real yt-dlp
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output as a duplicate field (found by the live probe). The live probe
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validated search, stream resolution, and a real download capture
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(252 KB webm) through the capture store; the **playlists feed
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invocation is live-unvalidated** (no cookies on this machine) — flagged
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in `architecture/youtube-provider.md` as the standing risk. 150
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workspace tests green (8 new in `ytdy`); every gate in
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`quality/youtube-provider.md` checked.
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## captures (2026-07-21)
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Built per `plan/captures.md`: `W` (shift) on a downloadable library
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selection captures the subtree like a bookmark, but into
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`<config>/crabidy/captures/<name>/` with every track's audio
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**downloaded** next to its order-prefixed toml — the toml's playable is
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the audio file's *relative* name (`TrackFile::from_track_with_file`), so
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a capture plays with no provider round trip and the folder stays
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relocatable. `/captures` is a fourth `fsdy` instance (editable top
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level, nothing reserved): browse, queue, rename (`e`), delete (`d`),
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and re-capture to refresh; the audio files are invisible to listings
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(only dirs and `*.cbd-track.toml` count).
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The bookmark walk was extracted into `capture.rs`
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(`capture_into`/`write_tree`, `Caps`, one `CaptureError` for both
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stores) parameterized by a per-track `Sink` — `Link` is byte-identical
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bookmark behavior, `Download` fetches the first `get_urls_for_track`
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URL through one shared reqwest client (30 s connect timeout, 600 s
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per-track deadline, no retries), streams the body to disk against a
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capture-wide byte budget, picks the extension from `Content-Type` (URL
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path, then `bin`, as fallbacks), and writes the toml only after the
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audio succeeded. Download caps: 1 000 dirs, 500 tracks, 4 GiB. Still
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all-or-nothing with temp cleanup; downloads are sequential inside the
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one spawned capture task. Download error messages carry the track's
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library path, never the stream URL (`reqwest::Error::without_url`).
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Nodes opt in via new additive proto flags
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(`LibraryNode.is_downloadable = 8`, `LibraryNodeChild = 7`). Tidal sets
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them centrally at the end of `get_lib_node`: downloadable = queueable
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**or lists tracks** (so search-term track results are downloadable even
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though the term node isn't queueable); children mirror `is_queable`;
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tracks inherit their node's flag in the TUI. The server re-enforces at
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the capture root (`Unsupported` → `failed_precondition`); the rpc
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gained `CaptureLibraryNodeRequest.download = 3` (additive; old clients
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keep bookmarking).
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Deviations from the plan/architecture: the naming helper ended up
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`audio_file_name` (the path variant was clippy-dead); the tidal flag
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rule grew the "or lists tracks" clause (architecture D4 reconciled);
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the live probe downloaded a single real track (8.6 MB m4a,
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Content-Type-derived extension, replayed through a `/captures`
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instance) instead of a whole album — the multi-track walk is
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unit-covered and a full album download is needlessly heavy for a smoke
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test. 142 workspace tests green (1 new in `fsdy`, 8 in
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`capture`/`capture_store`, 3 TUI + 1 extended); every gate in
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`quality/captures.md` checked.
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## bookmarks (2026-07-21)
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Built per `plan/bookmarks.md`: `w` on a queueable library selection now
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captures the whole subtree as a **bookmark** — a structure-preserving
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snapshot under `<config>/crabidy/bookmarks/<name>/`, mounted read-only at
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`/bookmarks` by a third `fsdy` instance. The capture runs on the
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orchestrator (a spawned task walking `get_lib_node` iteratively across
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any provider): every child node becomes an order-prefixed folder
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(`fsdy::dir_name`, sharing the queue entries' sanitizer), every track an
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order-prefixed link file, so the case-insensitive listing reproduces the
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source order and replaying is plain fs-provider behavior. Caps (1 000
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dirs / 20 000 tracks) abort cleanly with the temp folder removed; writes
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are tmp-and-swap; re-capturing a name overwrites it. The wire gained one
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additive rpc, `CaptureLibraryNode(path, name)` (invalid name/source →
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`invalid_argument`, over-cap/disabled → `failed_precondition`). The TUI
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opens the existing input overlay prefilled with the selection's title
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(`bookmark`), gated on a queueable bare selection.
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On top, `fsdy::Client` gained `with_editable_top_level(reserved)`:
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editable instances mark their root's child folders
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`is_editable`/`is_deletable` and implement rename (no-merge, validated
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titles, returns the renamed node) and delete (idempotent, returns the
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refreshed root). Applied to `/bookmarks` (nothing reserved) **and
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`/queues`** (reserved: `current`) — saved queues are now renamable and
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deletable through the existing `e`/`d` flows with zero TUI changes.
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`/fs` stays immutable. All 130 workspace tests green (6 new in `fsdy`, 7
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in `bookmark_store`, 2 TUI); every gate in `quality/bookmarks.md`
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checked. A temporary live probe (removed after passing) captured a
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19-track album from the live Tidal API, browsed it with editable flags,
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renamed it, resolved it in order, and fetched a stream URL for a
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captured link.
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The whole feature ran autonomously per standing instruction; decisions
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are recorded in `architecture/bookmarks.md` (options + rationale).
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### Deviations from plan / architecture (bookmarks)
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- **Capture is all-or-nothing**: any provider or write failure mid-walk
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aborts the whole capture (temp folder removed) instead of skipping the
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failing subtree with a warning — a bookmark that *looks* complete must
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*be* complete. The architecture only specified the unreadable-*root*
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case; this extends it to every node.
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- **Rename to the current name is a no-op success** (returns the node),
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not a collision error — the target "exists" only because it is the
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source.
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- **Rename targets don't pass `disk_path`**: the new folder name is
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validated by `validate_folder_name` (no separators, NUL, or leading
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dots), which makes it a plain sibling name by construction; the
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traversal gate still covers every client-supplied *path*.
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- **`track_file_name` was refactored onto a shared `ordered_name`**
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helper rather than duplicated for `dir_name` (planned as "shared
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sanitizer", realized as one function).
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- **Environment note**: builds/tests again ran with a session-local
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`CARGO_TARGET_DIR`; no repo change.
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## queue-persistence (2026-07-21)
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Built per `plan/queue-persistence.md`: queues now survive server restarts,
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realized entirely on top of the fs provider. `fsdy::Client` became
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instance-mountable (`Client::new(provider_root, disk_root)`); the
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orchestrator mounts a second, read-only instance at `/queues` over
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`<config>/crabidy/queues/`, so saved queues are ordinary browsable,
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queueable library folders. Every queue is a folder of order-prefixed
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(`0001 <title>.cbd-track.toml`) **link** files — metadata copied from the
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queue entry, `playable.link = Track.path` — written only by the new
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`crabidy_server::queue_store::QueueStore` (tmp-and-swap, hidden
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`.queue-state.toml` sidecar for position/repeat/shuffle). The playback
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loop feeds every queue-state change into a latest-wins `watch` channel; a
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persister task debounces, skips unchanged snapshots, and rewrites
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`queues/current/`. On startup the server restores tracks, position, and
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modifiers from `current/` without ever starting playback. `w` on the TUI
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queue pane opens the existing input overlay (`save queue`) and drives the
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previously stubbed `SaveQueue` rpc (invalid name → `invalid_argument`,
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empty queue/disabled persistence → `failed_precondition`). Reloading a
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saved queue is just queueing `/queues/<name>` — the listing rewrites each
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link back to its target, so zero new resolve mechanisms. All 116
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workspace tests green (10 new in `fsdy`, 9 in `queue_store`, 5 playback,
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3 TUI); every gate in `quality/queue-persistence.md` checked. A temporary
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live probe (removed after passing) round-tripped a mixed queue — a track
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fetched from the live Tidal API plus an fs url track — through persist,
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reload, `/queues` listing, and the resolve walk, and the reloaded Tidal
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path still yielded a stream URL.
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The whole feature ran autonomously per standing instruction; decisions
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are recorded in `architecture/queue-persistence.md` (options + rationale).
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### Deviations from plan / architecture (queue-persistence)
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- **The "no links into `/fs`" rule was dropped** (fs-provider D3): queue
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entries persist as links to whatever path the queue held, including
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`/fs/...` tracks. Replaced by the one-hop argument —
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`get_urls_for_track` never follows a link, so chains die at play time
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and cycles cannot recurse. `architecture/fs-provider.md` reconciled.
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- **`SaveQueueError` gained `Disabled` and `State` variants** beyond the
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stub: `Disabled` (no usable queues directory) maps to
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`failed_precondition` instead of masquerading as I/O; `State` covers
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sidecar serialization.
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- **The orchestrator mounts `/queues` independently of `QueueStore`**:
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both derive the directory from `queue_store::queues_dir()`, so a
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mount over a not-yet-created folder simply lists as missing until the
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store (created in `main`) writes it. No plumbing between the two.
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- **Shuffle order is not persisted** (documented in D3/D4 but worth
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repeating): restoring `shuffle = true` reshuffles around the restored
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current track.
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- **The live probe needed no bespoke server run**: provider-layer clients
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plus `QueueStore` cover the full D2/D5 story; the gRPC and TUI layers
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above are unit-tested.
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- **Environment note**: builds/tests again ran with a session-local
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`CARGO_TARGET_DIR`; no repo change.
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## fs-provider (2026-07-21)
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Built per `plan/fs-provider.md`: a second media provider (crate `fsdy`,
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`/fs`) that walks one configured root directory and treats
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`*.cbd-track.toml` files as serialized track nodes — metadata plus exactly
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one playable reference: a local audio file (absolute or relative to the
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track file), an http(s) URL, or a crabidy-internal link. The wire types
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are unchanged (architecture D1): the only new datastructure is the
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on-disk TOML schema. Link tracks rewrite `Track.path` to the target at
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listing time (D2), so playback routes to the owning provider through the
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orchestrator's existing prefix routing with zero new mechanisms; links
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into `/fs` are rejected at parse time, making chains impossible.
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Directories list sorted and queue via the default chunked resolve walk;
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client paths are decoded and validated in a single helper so they cannot
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escape the root; symlinks, hidden entries, and broken files are skipped
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with warnings. `ProviderOrchestrator` gained an optional fs client
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(non-fatal init from `fsdy.toml`, default root `dirs::audio_dir()`) and
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`/fs` routing arms in every trait method. No player or TUI changes were
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needed. All 91 workspace tests green (15 new in `fsdy`); every gate in
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`quality/fs-provider.md` checked. A temporary live probe (removed after
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passing) built a real tree whose link track pointed at a track fetched
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from the live Tidal API: listing order held, the link path was
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rewritten, and the target resolved a stream URL — the full D2 story
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end-to-end.
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The whole feature ran autonomously per standing instruction; decisions
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are recorded in `architecture/fs-provider.md` (options + rationale).
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### Deviations from plan / architecture (fs-provider)
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- **Extension renamed to `.cbd-track.toml`** (user request, follow-up
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commit): the original `.track.toml` was too generic; the `cbd-` prefix
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makes the files unmistakably crabidy's.
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- **`TrackFileError::UrlScheme` carries only the scheme**, not the URL:
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the parse error ends up in skip-warnings, and a private stream URL may
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embed a token (quality gate "no file contents in logs"). The
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architecture's schema and behavior are otherwise as designed.
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- **The live probe ran at the provider layer**, not against a running
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server (no interactive terminal/audio device here, same as previous
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features): `fsdy` and `tidaldy` clients driven directly, mimicking the
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orchestrator's routing exactly. It also had to *fetch* its link target
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first — the well-known id from the progressive-queueing probe is an
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album path, and a link must point at a track.
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- **`get_lib_node` on a track path is `MalformedPath`** — implicit in
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the design, made explicit so the default resolve walk can never
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mistake a track file for a directory.
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- **Environment note**: builds/tests again ran with a session-local
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`CARGO_TARGET_DIR` (owner-built artifacts in `target/`); no repo
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change.
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## progressive-queueing (2026-07-21)
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Built per `plan/progressive-queueing.md`: queueing a large nested collection
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now fills the queue progressively instead of freezing until the full
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resolve. `ProviderClient` gained `resolve_tracks_into` (chunk-streaming over
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a bounded channel; sender-drop = done, receiver-drop = cancel) with a
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default pre-order walk; tidaldy overrides it so playlists and albums emit
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one chunk per fetched 50-track page. The playback loop registers a pending
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op per queue command, spawns a forwarder, applies chunks on the loop
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(single-writer preserved), broadcasts after every chunk, and starts playback
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with the first chunk that makes a track current. `Replace`/`Clear` cancel
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in-flight resolves down to the HTTP fetch. The wire gained
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`Queue.resolving = 4` (additive); the TUI renders an animated one-to-three
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dots pseudo-item after the last queue row while it is set. All 76 workspace
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tests green; every gate in `quality/progressive-queueing.md` checked.
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Verified against the live Tidal API with a temporary ignored probe (removed
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after passing): a 71-album artist streamed its first 19-track chunk (first
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album, listing order) while the walk was still running, and dropping the
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receiver mid-stream ended the resolve cleanly in 1.8 s instead of draining
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the discography.
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The whole feature ran autonomously per standing instruction; decisions are
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recorded in `architecture/progressive-queueing.md` (options + rationale).
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### Deviations from plan / architecture (progressive-queueing)
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- **`make_paginated_request_into` became `stream_track_pages_into`**: the
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planned generic `AsyncFnMut` page sink dies on a rustc
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"implementation of `Send` is not general enough" limitation inside
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`async_trait` methods. The concrete method (fixed `Track` item type,
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proto mapping and channel send inlined) sidesteps it with the same
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page-loop and cancellation semantics.
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- **Zero-track warning lives in the forwarder, not `finish_resolve`**: the
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forwarder sees each path and its chunk count, so the existing per-path
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"resolved to no playable tracks" message survives verbatim; the planned
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op-level warning would have had to smuggle paths into `PendingResolve`.
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- **Fixed alongside (user-reported)**: Enter on a non-queueable library
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item used to blank the queue while audio kept playing. Two causes, both
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fixed: `Library::get_selected` now gates the bare selection on
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`is_queable` (marks were already gated), and a replace that resolves to
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zero tracks no longer touches the queue at all — structurally, since the
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queue is only mutated by arriving chunks. Regression test
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`queue_ops_ignore_non_queueable_selections`.
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- **`Queue` (play-next) captures the current position when the command
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arrives**, not per chunk: chunks of one op stay contiguous after the
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track the user was on when they pressed the key, even if playback
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advances mid-resolve.
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- **Live probe scope**: the first full-discography probe was cut short
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(hundreds of album fetches for no extra signal) and replaced by a
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receive-two-chunks-then-cancel probe — which also exercises mid-stream
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cancellation against the live API, which the drain-everything version
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could not.
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- **Environment note**: builds/tests again ran with a session-local
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`CARGO_TARGET_DIR` (owner-built artifacts in `target/`); no repo change.
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## node-editing (2026-07-20)
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Built per `plan/node-editing.md`: search-term nodes (created via `%`) are now
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modifiable — `e` opens the input overlay prefilled with the current title and
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renames (re-running the search; merge on title collision), `d` deletes
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without confirmation (documented decision, architecture/node-editing.md D4).
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Capabilities travel as `LibraryNodeChild.is_editable`/`is_deletable` (fields
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5/6, child-only — no consumer for node-level copies), surfaced as a `[ed]`
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marker; two new rpcs `RenameLibraryNode` (returns the renamed node, TUI
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navigates into it) and `DeleteLibraryNode` (returns the refreshed parent).
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All 59 workspace tests green; every gate in `quality/node-editing.md`
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checked. Verified against the live Tidal API with a temporary ignored probe
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(removed after passing): create `beatles` → rename to `rolling stones`
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(in-place, 20 tracks / 40 children) → a track queued under the old term
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still resolved a stream URL → delete emptied the listing.
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The whole feature ran autonomously per standing instruction; decisions are
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recorded in `architecture/node-editing.md` (options + rationale per topic).
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### Deviations from plan / architecture (node-editing)
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- **Self-rename bug caught by the gate tests**: the first
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`rename_search_term` implementation deleted a term renamed to itself (the
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merge branch removed the "old" slot). Fixed with an explicit `old != new`
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guard; the architecture text ("merge on collision") now implicitly means
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*distinct* titles.
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- **`pane_bindings_only_match_their_own_pane` (help-modal suite) updated**:
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it asserted plain `d` is unbound in the library — now it is
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`LibraryDeleteNode` by design; the test's queue-only example key moved to
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`c`.
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- **`delete_library_node` also maps `InvalidInput` → `invalid_argument`**
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although no provider raises it for delete today — keeps the error contract
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uniform across the three node-mutation rpcs.
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- **End-to-end check ran at the provider layer** (as with search): no
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interactive terminal/audio device in this environment; the gRPC handler
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and TUI layers above it are covered by unit tests and review.
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- **Environment note**: builds/tests again ran with a session-local
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`CARGO_TARGET_DIR` (owner-built artifacts in `target/`); no repo change.
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## search (2026-07-20)
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Built per `plan/search.md`: `%` inside `/tidal/search` opens a one-line input;
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the term becomes a persistent (per-process) tree node holding Tidal search
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results — 20 tracks queueable in place, plus artist/album results as canonical
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`/tidal/artists/...` children. Creatable nodes carry an `is_creatable` flag
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end-to-end (proto → provider → TUI marker `[%]` + pane hint). All 48 workspace
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tests green; every gate in `quality/search.md` checked. Verified against the
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live Tidal API: payload shapes match the existing models (probe kept as the
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ignored `probe_search_shapes` test), and a full create→list→resolve-URL round
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trip succeeded (`beatles` → 20 tracks / 40 children, idempotent, playable
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stream URL from a search-track path).
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||
The whole feature ran autonomously on user instruction; decisions were taken
|
||
without mid-stage confirmation and recorded in `architecture/search.md`
|
||
(options + decision per topic).
|
||
|
||
### Deviations from plan / architecture (search)
|
||
|
||
- **`Library::update` now concatenates tracks and children** (tracks first).
|
||
The old code showed tracks *instead of* children, which would have hidden
|
||
the artist/album results on term nodes — architecture assumed both would
|
||
render. Existing nodes are unaffected (they only ever carry one kind).
|
||
- **Search categories degrade independently**: a failing category logs and
|
||
contributes nothing; only all three failing is a `FetchError`. The plan
|
||
did not specify partial-failure behavior.
|
||
- **`get_lib_node` no longer requires a user id up front** — the gate moved
|
||
into the favorites arms (planned), which also means `create_lib_node`
|
||
validation works fully offline (used by the new unit tests).
|
||
- **End-to-end check ran at the provider layer** (temporary ignored test,
|
||
removed after passing) rather than driving the full TUI + server — no
|
||
interactive terminal/audio device in this environment. The gRPC handler and
|
||
TUI layers above it are covered by unit tests and review.
|
||
- **Environment note**: `target/` contains owner-built artifacts not writable
|
||
by this agent's user; builds/tests ran with a session-local
|
||
`CARGO_TARGET_DIR`. No repo change involved.
|
||
|
||
## help-modal (2026-07-20)
|
||
|
||
Built per `plan/help-modal.md`: `app/bindings.rs` (declarative
|
||
`BINDINGS` table + `lookup` + `key_label`), `app/help.rs` (overlay), the
|
||
`App::dispatch`/`DispatchResult` seam, and the rewired event loop in
|
||
`main.rs`. All 20 tests pass; every gate in `quality/help-modal.md` checked.
|
||
|
||
### Deviations from plan / architecture (help-modal)
|
||
|
||
- **Two-column modal layout.** The architecture assumed a single-column list;
|
||
the full table is ~50 rows and would not fit even a 100×40 frame. The modal
|
||
renders Global in the left column and Library + Queue stacked in the right
|
||
column, with the close keys as a footer line (`Close help: ?, Esc, q`)
|
||
derived from the `Scope::Help` bindings instead of a fourth listed group.
|
||
The open question "scroll vs truncate" stays resolved as truncate — but
|
||
after the column split the content fits ~34×94, so truncation only kicks in
|
||
on genuinely small terminals.
|
||
- **`Scope` derives `Hash`** (not in the stub) so the chord-uniqueness test
|
||
can use a `HashSet`.
|
||
- **`QueueInsertHere` description reworded** to "Insert library selection
|
||
after this track": `crabidy-server`'s `insert_tracks` splices at
|
||
`position + 1`. Same check confirmed the planned "Queue selection after
|
||
current track" wording for `LibraryQueueNext`.
|
||
- **`main.rs`** passes `tx` to `App::new` without the now-unneeded clone; the
|
||
`KeyCode`/`KeyModifiers`/`UiFocus`/`StatefulList` imports moved out with the
|
||
old match.
|