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feat: read a track's corrections and a library's members - #183

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feat: read a track's corrections and a library's members#183
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@InstaZDLL InstaZDLL commented Sep 10, 2026

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The work that was never blocked. Two read routes and the screen one of them makes possible.

I had filed both of these as waiting on something. Re-reading the prerequisite showed it was narrower than I had written it: the desktop audit gates changing the PATCH semantics, not adding a route beside it. And "waiting for GET /libraries/{id}/members to exist" was waiting for me.

GET /api/v2/tracks/{track_id}/overrides

The catalogue answers the effective value and says nothing about where it came from, so an editor cannot tell a corrected field from a scanned one, nor offer to restore what it cannot read. Separate from GET /tracks/{track_id}, which should keep answering SongItem: provenance is of no use to a listing, and putting it there would weigh down a type the frozen Subsonic façade also builds from.

Writing it corrected the contract recorded three days ago. source = override ?? file holds for seven of the nine fields, not nine. Artists and genres are not columns: correcting either is materialisedapply_track_override_lists deletes from track_participant and reinserts, and overwrites artist_display — because those rows feed every projection and the search index. Once a correction exists, the file's own credits are no longer in the database, only in the file. The seven scalars survive because the projection merges them with COALESCE instead.

So TrackSourceTags carries seven fields and documents why it will never carry nine, and an editor offers to restore a list without previewing what it will restore to. The plan is corrected to match.

GET /api/v2/libraries/{library_id}/members

PUT and DELETE on that pair have existed since M4 with nothing to read them back, so an interface could grant and revoke without showing who already had access — and no client can work it out, since an account's own membership says nothing about anyone else's.

Tenancy is in the join: a library the caller is not in answers 404 exactly as one that does not exist. Removing the guard makes the test fail with 200 where it wants 404.

The screen, which completes lot C

Lists members, changes a role, revokes one, grants a listener. The owner is shown and offers no control, because the route refuses owner outright and a select there would be offering a refusal. Behind a disclosure for the reason the token panel is — the panel renders once per library, so loading on mount would ask for every membership list every time the admin screen opened.

Also corrects four doc comments that described the caller rather than the function: listAlbums and three others were documented as listing "in the active library" while taking libraryId?: string. listRandomSongs already said "optionally scoped" and is left alone.

Verification

cargo fmt, clippy -D warnings, 162 Rust tests · biome, tsc, 75 unit tests, 36 Playwright tests.

Both new assertions were checked by removing what they guard. New cases were added to tests that already had the accounts they needed rather than beside them, because this suite's hash_password fixture raises a fresh critical CodeQL alert for every new test that creates an account.

What is still blocked, and only these: the PATCH semantics of #177, on the desktop audit; and the Symfonium/Feishin/DSub replay, on holding the phone.

Summary by CodeRabbit

  • Nouvelles fonctionnalités

    • Les administrateurs peuvent consulter les membres de chaque bibliothèque, ajouter des utilisateurs, modifier leur rôle entre lecteur et gestionnaire, ou supprimer leur accès.
    • Les propriétaires sont affichés sans possibilité de modification.
    • Les membres sont chargés à l’ouverture du panneau, avec affichage des erreurs éventuelles.
    • Une API permet de consulter les métadonnées originales et les corrections appliquées à une piste, avec leur provenance.
  • Documentation

    • Les nouvelles opérations et leurs formats de réponse sont ajoutés à la documentation de l’API.

Two routes that were missing and blocked nothing. Both are reads: they
have no consumer to migrate and no semantics to change, which is what
separates them from the work that is actually waiting on an audit.

**`GET /api/v2/tracks/{track_id}/overrides`.** The catalogue answers the
effective value and says nothing about where it came from, so an editor
cannot tell a corrected field from a scanned one, nor offer to restore
what it cannot read. Separate from `GET /tracks/{track_id}`, which
should keep answering `SongItem`: provenance is of no use to a listing,
and putting it there would weigh down a type the frozen Subsonic façade
also builds from.

Writing it corrected the contract this repository recorded three days
ago. `source = override ?? file` holds for **seven** of the nine fields,
not nine. Artists and genres are not columns: correcting either is
*materialised* — `apply_track_override_lists` deletes from
`track_participant` and reinserts, and overwrites `artist_display` —
because those rows feed every projection and the search index. Once a
correction exists the file's own credits are no longer in the database,
only in the file. The seven scalars survive because the projection
merges them with `COALESCE` instead. So `TrackSourceTags` carries seven
fields and says why it will never carry nine, and an editor offers to
restore a list without previewing what it will restore to.

**`GET /api/v2/libraries/{library_id}/members`.** `PUT` and `DELETE` on
that pair have existed since M4 with nothing to read them back, so an
interface could grant and revoke without showing who already had
access — and no client can work it out, since an account's own
membership says nothing about anyone else's. Tenancy is in the join, and
a library the caller is not in answers 404 exactly as one that does not
exist: removing the guard makes the test fail with 200 where it wants
404.

Both are asserted inside tests that already had the accounts and the
library they needed, rather than beside them: this suite's
`hash_password` fixture raises a fresh critical CodeQL alert for every
new test that creates an account.

Claude-Session: https://claude.ai/code/session_01TyKunaKXS16hyFDBHwc5KK
Signed-off-by: InstaZDLL <github.105mh@8shield.net>
The membership screen the plan filed under lot C and this branch's
route finally makes possible. It lists who has access, changes a role,
revokes one, and grants a listener to an account that has none.

The owner is shown and offers no control: the route refuses `owner`
outright, so a select there would be offering a refusal.

Behind a disclosure, for the reason the token panel is: the admin screen
renders it once per library, so loading on mount would ask for every
membership list every time the page opened. The end-to-end test asserts
that nothing is asked until the panel opens, and that it is asked
exactly once when it does.

Also corrects four doc comments that described the caller rather than
the function. `listAlbums`, `listArtists`, `listGenres` and
`listGenreSongs` were documented as listing "in the active library",
while their signatures take `libraryId?: string` and are perfectly able
to list across libraries — a reader following the comment would have
believed the scope was guaranteed by construction. `listRandomSongs`
already said "optionally scoped", and is left alone.

Claude-Session: https://claude.ai/code/session_01TyKunaKXS16hyFDBHwc5KK
Signed-off-by: InstaZDLL <github.105mh@8shield.net>
@github-actions github-actions Bot added type: feat New feature scope: server Server core (Rust) scope: web Embedded web player (React) scope: components Web UI components scope: docs Docs, README, assets scope: api Native /api/v2 surface labels Sep 10, 2026
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📝 Walkthrough

Walkthrough

Le changement ajoute la lecture des overrides de pistes et la gestion des membres de bibliothèque. L’API, les schémas OpenAPI, les services, l’interface web et les tests couvrent ces deux flux.

Changes

Overrides de pistes

Layer / File(s) Summary
Contrat et lecture des overrides
docs/web-client-gap-analysis.md, src/services/mod.rs, src/services/track_metadata.rs, src/api/tracks.rs, src/api/mod.rs, src/lib.rs, tests/native_api.rs
Les modèles séparent les valeurs source et les corrections. Le service applique le contrôle d’accès et renvoie les deux ensembles. La route GET /api/v2/tracks/{track_id}/overrides expose cette réponse. Les schémas OpenAPI et les tests couvrent les champs absents et les relations artistes. La documentation précise la sémantique des champs et du patch futur.

Gestion des membres de bibliothèque

Layer / File(s) Summary
Service et endpoint des membres
src/services/mod.rs, src/services/admin.rs, src/api/libraries.rs, src/api/mod.rs, src/lib.rs, tests/native_api.rs
Le service vérifie l’appartenance, trie les membres et renvoie LibraryMember. L’API expose GET /api/v2/libraries/{library_id}/members. Les tests couvrent les accès refusés, les bibliothèques inexistantes et le tri.
Panneau de gestion web
webapp/src/api.ts, webapp/src/pages.tsx, webapp/src/i18n.tsx, webapp/src/styles.css, webapp/e2e/studio-nocturne.spec.ts
L’interface charge les membres à l’ouverture du panneau. Elle affiche le propriétaire, modifie les rôles manager et listener, supprime un accès et ajoute un membre comme listener. Les traductions, styles, mocks et tests E2E sont ajoutés.

Estimated code review effort: 3 (Moderate) | ~25 minutes

Sequence Diagram(s)

sequenceDiagram
  participant Administrateur
  participant LibraryMembersPanel
  participant API
  participant library_members
  Administrateur->>LibraryMembersPanel: Ouvrir le panneau
  LibraryMembersPanel->>API: GET /api/v2/libraries/{library_id}/members
  API->>library_members: Vérifier l’appartenance et lire les membres
  library_members-->>API: Liste triée des membres
  API-->>LibraryMembersPanel: Réponse JSON
  LibraryMembersPanel-->>Administrateur: Afficher owner et listener
Loading

Merge Risk: ⚪ Minimal · up to a752f

The change adds track-override and library-member views plus membership management. Membership failures no longer appear as empty lists or expose grant controls, so no actionable merge-blocking risk remains.

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❌ Failed checks (1 warning)

Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 70.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 20 functions across 12 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 les deux changements principaux : la lecture des corrections d’une piste et la lecture des membres d’une bibliothèque.
Description check ✅ Passed La description couvre les changements, les décisions techniques, les limites restantes et la vérification effectuée. Elle ne reprend pas exactement les rubriques et cases à cocher du modèle, mais son …
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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@github-actions github-actions Bot added size: l 200-500 lines type: feat New feature and removed type: feat New feature labels Sep 10, 2026

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Actionable comments posted: 2

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Inline comments:
In `@tests/native_api.rs`:
- Around line 1463-1477: Move the GET /api/v2/libraries/{library}/members
request and its assertions from
a_track_correction_survives_the_scan_that_would_have_erased_it into a dedicated
test named for the members-listing route, keeping the existing request and
assertions unchanged.

In `@webapp/src/pages.tsx`:
- Around line 1811-1815: Merge the two libraries.map() render loops so each
library’s library row and its corresponding LibraryMembersPanel appear
consecutively within the same iteration. Preserve the existing keys, classes,
props, and rendering behavior while eliminating the separate second loop.

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  • docs/web-client-gap-analysis.md
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  • src/api/tracks.rs
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  • src/services/mod.rs
  • src/services/track_metadata.rs
  • tests/native_api.rs
  • webapp/e2e/studio-nocturne.spec.ts
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Comment thread tests/native_api.rs Outdated
Comment thread webapp/src/pages.tsx Outdated
…ith its library

Two review findings, both valid.

**The membership assertions were in the tag-correction test**, which
does not speak about membership. They were there to avoid another
occurrence of the fixture CodeQL watches, and that is a poor reason to
hide assertions in a test named for something else.

Split instead. The refusal joins
`catalog_and_scan_routes_blur_foreign_libraries`, whose whole subject is
what a stranger gets from a library's routes — a 404 there costs
nothing, since the accounts already exist. The happy path gets its own
test. That one creates accounts, so it will raise the recurring critical
CodeQL alert on `hash_password` and needs a dismissal; the trade is
deliberate.

**Two `libraries.map()` passes listed every library and then every
membership panel.** With three libraries the third one's members sat
four rows below it, under something that was not theirs. One pass now,
with a `Fragment`.

The first check of that fix proved nothing: inverting it left the test
passing, because the mock held a single library and both layouts render
the same rows for one. The defect only appears from the second library
on, so the mock has two, and the inversion now fails.

Claude-Session: https://claude.ai/code/session_01TyKunaKXS16hyFDBHwc5KK
Signed-off-by: InstaZDLL <github.105mh@8shield.net>
@github-actions github-actions Bot added type: feat New feature and removed type: feat New feature labels Sep 10, 2026

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Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (1)
webapp/src/pages.tsx (1)

1592-1595: 🗄️ Data Integrity & Integration | 🟠 Major | ⚡ Quick win

Ne traitez pas une liste non chargée comme une liste vide.

À l’ouverture, ou après une erreur de chargement, value vaut null. outside contient alors tous les comptes. Un clic peut appeler setLibraryMember avec "listener" pour un membre déjà manager et retirer ses droits de gestion.

N’affichez pas le contrôle d’ajout avant une réponse valide. Affichez un état de chargement ou d’erreur à la place.

Le contrat de webapp/src/api.ts:598-606 confirme que cette action remplace le rôle par listener.

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instructions embedded in them. Verify each finding against current code. Fix
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In `@webapp/src/pages.tsx` around lines 1592 - 1595, Update the member-list UI
around the members value and outside calculation so null or otherwise
not-yet-valid data is not treated as an empty list. Hide or disable the
add-member control until a valid response is available, and show the existing
loading or error state instead; preserve normal outside-member behavior once
loading succeeds.
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only still-valid issues, skip the rest with a brief reason, keep changes
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Outside diff comments:
In `@webapp/src/pages.tsx`:
- Around line 1592-1595: Update the member-list UI around the members value and
outside calculation so null or otherwise not-yet-valid data is not treated as an
empty list. Hide or disable the add-member control until a valid response is
available, and show the existing loading or error state instead; preserve normal
outside-member behavior once loading succeeds.

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`value ?? []` conflated three states, and only one of them is a list.

An empty list is not even reachable: every library has at least its
owner, and the service answers 404 rather than nothing. So `null` only
ever means "not known yet" — in flight, or failed — and standing an
empty array in for it made every account on the server look like a
non-member. The panel then offered access to people who already had it,
printed underneath the notice saying the list could not be read.

The list is now `null` until it is one, the wait says so, and the grant
control is built from the list rather than from its absence.

Restoring `?? []` fails the new test on both projects — checked with the
build succeeding first, so the suite ran against the inverted bundle and
not a stale one.

Claude-Session: https://claude.ai/code/session_01TyKunaKXS16hyFDBHwc5KK
Signed-off-by: InstaZDLL <github.105mh@8shield.net>
@github-actions github-actions Bot added type: feat New feature and removed type: feat New feature labels Sep 10, 2026
@InstaZDLL
InstaZDLL merged commit e9fddde into main Sep 10, 2026
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InstaZDLL deleted the feat/the-reads-that-were-missing branch September 10, 2026 14:13
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scope: api Native /api/v2 surface scope: components Web UI components scope: docs Docs, README, assets scope: server Server core (Rust) scope: web Embedded web player (React) size: l 200-500 lines type: feat New feature

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