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feat(webapp): wire the comfort layer — ratings, genres, history, random, lyrics - #173

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feat(webapp): wire the comfort layer — ratings, genres, history, random, lyrics#173
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@InstaZDLL InstaZDLL commented Sep 6, 2026

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Lot B of web-client-gap-analysis.md. Stacked on #172 — review that one first; this PR's base is its branch, so the diff here is lot B alone.

Six of the seven items. Not one line of server code.

Ratings Five stars on the song table, as a radio group. The favourite becomes a heart.
Genres A two-column list and a page each, with a server-drawn shuffle of the genre.
Recently played GET /history, deduplicated, most recent first.
Random Its own page, with a redraw.
Lyrics A now-playing view; a synced sheet follows the head.
Saved positions One bookmark per track, replaced not added.

The library selector is deliberately absent. It is the first of the plan's three open questions — one library at a time, or aggregated with a filter — and settling it in passing would decide what a browsing session is without saying so. Every other item was a fetch; this one is a decision.

Found by building, not by reading

  • GET /history answers plays, not songstrack_id, submission, played_at — so a screen wanting titles resolves them itself. It orders played_at DESC (playback.rs:162), which is what lets "most recent first" be true rather than hoped.
  • GET /songs?genre= takes the display string and canonicalises before matching, so "Hip-Hop" and "hip hop" are one genre server-side.
  • The index column was showing album track numbers outside any album. Pre-existing, and these three new lists quadrupled it. The default is now the row's place in the list; the album page asks for the sleeve number explicitly.
  • A td set to display: flex stops being a table cell and the row borders drift. Caught in a screenshot, not by a test.
  • A genre named "Rock/Pop" routes as %2F. It works — now asserted in tests/service.rs, added to the existing fallback test rather than beside it, because this suite's hash_password fixture raises a fresh critical CodeQL alert for every new test that creates an account.

The serif

The plan's open typography question rested on a false premise: the serif was never orphaned on the login screen. It carries h1, h2, h3 — every page title — the brand, the missing-cover letter and the 404. It was declared four times in two spellings, three of which omitted "Palatino Linotype". Making it "a system" came down to naming it. That is the fifth claim in the plan this work has had to correct.

Incidentally, the four navigation entries this lot adds closed "the sidebar void" the plan asked about. The right order: the space wanted content, and the content now exists.

Verification

biome · tsc · 38 unit tests · 14 Playwright tests, three of them WCAG A/AA sweeps now covering the album page and the genre pages as well · cargo fmt, clippy -D warnings, 162 Rust tests across 17 targets.

Summary by CodeRabbit

  • Nouvelles fonctionnalités

    • Ajout de pages pour les genres, l’historique, la lecture aléatoire, la lecture en cours et les paroles synchronisées.
    • Ajout du tri et du filtrage des albums, d’actions de lecture et de mise en file, ainsi que des évaluations, favoris et signets.
    • Ajout de nouvelles options de navigation et de traductions françaises et anglaises.
  • Améliorations

    • Meilleure adaptation mobile, accessibilité clavier et prise en charge de la réduction des animations.
    • Interface enrichie avec de nouvelles icônes et des contrôles de notation améliorés.
  • Correctifs

    • Correction de la navigation vers certains genres contenant des caractères encodés.

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  • webapp/e2e/studio-nocturne.spec.ts
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📝 Walkthrough

Walkthrough

Le client web ajoute des API et des pages pour les genres, l’historique, la lecture aléatoire et la lecture en cours. Il ajoute aussi le tri, les filtres, les évaluations, les paroles synchronisées, les signets, la mise en file et les tests associés.

Changes

Fonctionnalités du client web

Layer / File(s) Summary
Contrats API et file de lecture
webapp/src/api.ts, webapp/src/api.test.ts, webapp/src/player.tsx
Les API de tri, d’évaluation, de paroles, de signets, de genres, d’historique et de lecture aléatoire sont ajoutées. enqueue ajoute des morceaux sans lancer automatiquement la lecture.
Albums, filtres et évaluations
webapp/src/pages.tsx, webapp/src/icons.tsx, webapp/src/styles.css, webapp/e2e/studio-nocturne.spec.ts
Les albums prennent en charge le tri serveur, le filtrage local, la lecture et la mise en file. Les tableaux ajoutent les évaluations et les favoris.
Pages média et navigation
webapp/src/main.tsx, webapp/src/pages.tsx, webapp/src/i18n.tsx, webapp/src/lyrics.test.ts, webapp/e2e/studio-nocturne.spec.ts
Les routes et pages des genres, de l’historique, de la lecture aléatoire et de la lecture en cours sont ajoutées. Les paroles synchronisées et les signets sont gérés dans la page de lecture.
Présentation, documentation et routage du shell
webapp/src/styles.css, docs/web-client-gap-analysis.md, tests/service.rs
Les styles centralisent la typographie, les contrôles, les cartes, les évaluations et les vues média. La documentation met à jour l’état des lots. Le shell accepte les genres avec slash encodé.

Estimated code review effort: 4 (Complex) | ~60 minutes

Merge Risk: ⚪ Minimal · up to 6377a

This change adds web playback-library features including ratings, genres, history, random playback, lyrics, and saved positions. The bounded history behavior and covered client interactions indicate no remaining merge-blocking risk.

Sequence Diagram(s)

sequenceDiagram
  participant Client
  participant AlbumsPage
  participant listAlbums
  participant PlayerState
  Client->>AlbumsPage: sélectionne un tri ou une action
  AlbumsPage->>listAlbums: demande les albums avec sort
  listAlbums-->>AlbumsPage: retourne les données paginées
  AlbumsPage->>PlayerState: appelle enqueue avec les morceaux
  PlayerState-->>Client: met à jour la file sans autoplay
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🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 34.21% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 38 functions across 10 files. Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (4 passed)
Check name Status Explanation
Title check ✅ Passed Le titre décrit clairement la fonctionnalité principale et cite les six fonctionnalités ajoutées au webapp.
Description check ✅ Passed La description présente l’objectif du lot B, les changements principaux, les décisions exclues, les corrections associées et la vérification réalisée. Elle ne reprend pas exactement les en-têtes du mo…
Linked Issues check ✅ Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check ✅ Passed Check skipped because no linked issues were found for this pull request.
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  • Resolve merge conflict in branch feat/web-client-comfort
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@github-actions github-actions Bot added scope: server Server core (Rust) scope: web Embedded web player (React) scope: routes Web routes scope: components Web UI components scope: docs Docs, README, assets type: feat New feature size: xl > 500 lines labels Sep 6, 2026
Base automatically changed from feat/web-client-density to main September 6, 2026 20:28
@github-actions github-actions Bot added type: feat New feature and removed type: feat New feature labels Sep 6, 2026

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Actionable comments posted: 2

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only still-valid issues, skip the rest with a brief reason, keep changes
minimal, and validate.

Inline comments:
In `@webapp/e2e/studio-nocturne.spec.ts`:
- Around line 286-287: Synchronize the test with the album-2 response by
awaiting the promise returned by withSongs through the fastQueue click flow,
rather than clicking independently and then checking the button state. Update
the interaction around fastQueue.click so the assertion runs only after the
request completes, without adding a toBeDisabled check.

In `@webapp/src/pages.tsx`:
- Around line 1019-1031: Limit the history tracks resolved in the flow around
listHistory, ordered, and getTrack to a bounded number of recent unique entries,
such as the first 50, before Promise.allSettled runs. Preserve the existing
deduplication order and track-resolution behavior for the retained entries.

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📒 Files selected for processing (12)
  • docs/web-client-gap-analysis.md
  • tests/service.rs
  • webapp/e2e/studio-nocturne.spec.ts
  • webapp/src/api.test.ts
  • webapp/src/api.ts
  • webapp/src/i18n.tsx
  • webapp/src/icons.tsx
  • webapp/src/lyrics.test.ts
  • webapp/src/main.tsx
  • webapp/src/pages.tsx
  • webapp/src/player.tsx
  • webapp/src/styles.css

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Comment thread webapp/e2e/studio-nocturne.spec.ts
Comment thread webapp/src/pages.tsx
@github-actions github-actions Bot added type: feat New feature and removed type: feat New feature labels Sep 7, 2026
`PUT /api/v2/ratings/{type}/{id}` and `Song.user_rating` have both been
there since the native API landed; nothing on screen read either.

The rating is a radio group, not five buttons. "Exactly one of five" is
what a radio group means, it gives arrow-key selection without writing
any, and each group is named after its row — one shared name would make
every rating on the page a single choice. Clicking the star already set
sends `rating: 0`, which is how the server spells "no rating"; without
it a rating could be changed but never withdrawn.

The favourite becomes a heart. It was a star, and putting five more
stars beside it would have made one control out of two questions —
"keep this" and "how good is it". The sidebar has called favourites a
heart all along.

Two things the screen taught: a `td` set to `display: flex` stops being
a table cell, and the row borders drift out of line — the flex box is
now an inner div. And the accessibility sweep had only ever loaded the
albums grid, which has no song table, so it had never seen a form
control in a row; it now visits an album too.

Claude-Session: https://claude.ai/code/session_01TyKunaKXS16hyFDBHwc5KK
Signed-off-by: InstaZDLL <github.105mh@8shield.net>
Four of the eleven routes the plan lists as served-but-unused. None of
them needed a line of server code.

**Genres** get a two-column list and a page each. The genre travels into
`GET /songs?genre=` as a display string, which is correct: the server
canonicalises before matching, so "Hip-Hop" and "hip hop" are one genre
there. A genre page also offers `GET /songs/random?genre=`, which is a
different thing from shuffling the listing — it samples the whole genre
rather than the page that happens to be loaded.

**Recently played** resolves `GET /history`. The route answers plays and
not songs — `track_id`, `submission`, `played_at` — and the same track
recurs, so the first sighting of each id wins and each track is asked
for once. What is lost is the repetition; what is kept is a playable
list in the order things were last heard.

**Random** is its own page with a redraw, because it is what a music
server is for when nothing in particular is wanted.

**Now playing** shows the cover, the track, and the lyrics that travel
with the file. A synced sheet follows the head: `currentLyricLine` is
the line already begun and not yet succeeded, and it is unit-tested
because an off-by-one there shows a line before it is sung. An unsynced
sheet has no starts and highlights nothing, rather than pretending to a
timeline it does not have.

**Saved positions** sit under it. One bookmark per track, replaced not
added, so the button reads "save" whether or not one exists and saving
again simply moves it.

The sidebar gained four entries, which incidentally closes most of the
gap the plan called "the sidebar void" — the honest fix, since the space
wanted content and this is content that exists.

Verified: biome, tsc, 38 unit tests, 12 Playwright tests, with the WCAG
sweep now covering the genres list and a genre page as well.

Claude-Session: https://claude.ai/code/session_01TyKunaKXS16hyFDBHwc5KK
Signed-off-by: InstaZDLL <github.105mh@8shield.net>
A track's number belongs to its sleeve. `SongTable` was showing it
everywhere — `song.track ?? position + 1` — so favourites, a playlist
and a search result were labelling their rows with positions from
albums that were not on screen. A recently-played list reading 3, 1, 2
is the clearest form of the defect.

The default is now the row's place in the list being shown, and the
album page, the one place a sleeve is on screen, asks for the track
number explicitly.

The plan is updated with what lot B branched and what it deliberately
did not: the library selector is the first of the three open questions,
and settling it in passing would decide what a browsing session is
without saying so. The sidebar void is struck out — the four navigation
entries this lot added closed it, which was the right order, since the
space wanted content and the content now exists.

Claude-Session: https://claude.ai/code/session_01TyKunaKXS16hyFDBHwc5KK
Signed-off-by: InstaZDLL <github.105mh@8shield.net>
The operator's answer to the plan's open typography question was "make
it a system". Reading the code first turned that into a smaller job than
it looked, and turned up a fifth false claim in the plan on the way.

The serif was never orphaned on the login screen. It carries `h1, h2,
h3` — every page title and section heading — the sidebar brand, the
letter that stands in for a missing cover, and the 404 code. It was
already a system.

What made it read as an accident is that it was declared four times in
two spellings, and three of the four omitted "Palatino Linotype", so
the fallback differed depending on which screen was being looked at.
Both faces are now one token each, `--font-display` and `--font-body`,
and every use points at them. Nothing moves on screen except that the
three short stacks gain the fallback the long one always had.

Claude-Session: https://claude.ai/code/session_01TyKunaKXS16hyFDBHwc5KK
Signed-off-by: InstaZDLL <github.105mh@8shield.net>
Genres are the case that raises it. "Rock/Pop" is one tag, and the
client now routes a genre page as `/genres/{name}`, so that link is
`/genres/Rock%2FPop`. Shared or reloaded, it reaches the server rather
than the router, and the fallback has to answer the shell — an encoded
slash decoding into a second path segment would match nothing and hand
the visitor a 404 for a genre that exists.

It already behaves. The assertion is here because the client did not
depend on it until this week, and nothing else in the suite would
notice if path normalisation were added ahead of the fallback.

Added to the existing fallback test rather than beside it: this suite's
`hash_password` fixture raises a fresh critical CodeQL alert for every
new test that creates an account, and the ruleset refuses the branch
until someone dismisses it.

Claude-Session: https://claude.ai/code/session_01TyKunaKXS16hyFDBHwc5KK
Signed-off-by: InstaZDLL <github.105mh@8shield.net>
…e wire

Two review findings on this branch.

**Recently played fired one request per distinct track, unbounded.**
`GET /history` answers plays and not songs, so the screen resolves each
id itself, and `Promise.allSettled` sends them together — up to two
hundred round trips for a list nobody reads to the bottom of. The
window asked for stays 200 plays, so a session spent replaying one
album still reaches back past it; only what is resolved is capped, at
fifty.

**The concurrency test's synchronisation was illusory.** It waited for
the second card's button to be enabled, but that button is enabled
before the click too, so the wait could resolve on its first poll —
before React had applied the disabling update. The assertion that
follows would then run at a moment when nothing had happened, which is
exactly when the old single-slot guard still looks correct. It waits on
the album-2 response now, which is an edge that cannot be observed
early.

Both new assertions were checked by taking the fix away. That took
three attempts on the cap, and the first two were the same mistake in
different clothes: a `replace` that missed because the formatter had
reflowed the line, then a build that failed on the now-unused constant
so the suite ran against a stale bundle. Both times the test passed and
proved nothing. A verification that cannot fail is not one.

Claude-Session: https://claude.ai/code/session_01TyKunaKXS16hyFDBHwc5KK
Signed-off-by: InstaZDLL <github.105mh@8shield.net>
@InstaZDLL
InstaZDLL force-pushed the feat/web-client-comfort branch from 3d76c3e to 6377a2c Compare September 7, 2026 14:06
@github-actions github-actions Bot added type: feat New feature and removed type: feat New feature labels Sep 7, 2026
@InstaZDLL
InstaZDLL merged commit 89fdbe3 into main Sep 7, 2026
13 checks passed
@InstaZDLL
InstaZDLL deleted the feat/web-client-comfort branch September 7, 2026 14:09
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scope: components Web UI components scope: docs Docs, README, assets scope: routes Web routes scope: server Server core (Rust) scope: web Embedded web player (React) size: xl > 500 lines type: feat New feature

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