fix(webapp): point the end-to-end mock at the renamed genre route

[InstaZDLL]

CI (Web) is failing on main at 4fc7410, and this is the two-line fix.

#181 moved the route to /api/v2/songs/by-genre and moved the client with it. The end-to-end mock still answered /api/v2/songs, so the genre page loaded nothing and its accessibility sweep never reached a page.

Mine, and avoidable

I checked that rename with cargo fmt, clippy -D warnings, 162 Rust tests, biome, tsc and the web build — and not with test:e2e, which is the one gate that exercises the client against the paths it actually calls. The Rust suite caught its own stale reference to the old path; nothing else was watching the browser's.

Extracted on its own branch so main goes green without waiting for the larger branch this was found on.

Verification

34 Playwright tests pass on this change against main, including the three WCAG A/AA sweeps.

Summary by CodeRabbit

• Tests
  • Mise à jour des tests de navigation par genre pour utiliser le point d’accès dédié aux chansons par genre.
  • Conservation des vérifications du filtrage des résultats et du paramètre de genre.

[coderabbitai]

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📥 Commits

Reviewing files that changed from the base of the PR and between 4fc7410 and 064e49f.

📒 Files selected for processing (1)

• webapp/e2e/studio-nocturne.spec.ts

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📝 Walkthrough

Walkthrough

Le test E2E de navigation par genre utilise désormais /api/v2/songs/by-genre pour le mock et la validation des requêtes. Le filtrage par genre reste inchangé.

Changes

Navigation par genre

Layer / File(s)	Summary
Alignement du mock et des assertions webapp/e2e/studio-nocturne.spec.ts	Le mock API et le test de navigation ciblent /api/v2/songs/by-genre. Le paramètre genre et le filtrage de la réponse restent inchangés.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to 064e4

The genre-navigation E2E coverage now matches the renamed API route, restoring the mocked data flow and accessibility checks. No merge-blocking risk remains.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 1 functions across 1 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 précisément la correction principale : le mock end-to-end utilise la nouvelle route de filtrage par genre.
Description check	✅ Passed	La description explique la cause, la correction, l’impact utilisateur et la validation effectuée avec 34 tests Playwright. Elle ne reprend pas tous les en-têtes du modèle ni l’attestation DCO, mais el…
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.

• Fix all pre-merge checks with AI

✨ Finishing Touches 💡 1

📝 Generate docstrings 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/point-the-e2e-mock-at-the-renamed-route

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