Files
Mangalord/frontend/package.json
MechaCat02 80ab119750 bugfix: wrap manga + chapter uploads in a DB transaction
Previously a storage failure mid-chapter-upload left a partial chapter
row pointing at a `page_count` that didn't match what was on disk, plus
any successfully-inserted page rows. Same shape for a manga create
where the cover put or cover_image_path UPDATE failed after the manga
row was already inserted.

Fix at the DB layer: open `pool.begin()` at the start of the create,
do all DB writes against `&mut *tx`, commit only after the full
sequence succeeds. If anything before commit fails, the transaction is
rolled back on drop and the DB stays consistent. Bytes already written
to storage on a rolled-back transaction become orphans on disk; a
future reaper can sweep them, and we prioritise DB consistency over
storage tidiness in this branch.

- repo::manga::create / set_cover_image_path: signature changed to
  `impl PgExecutor<'_>` so handlers can pass either `&PgPool` or
  `&mut *tx`. set_cover_image_path is new — replaces the inline
  `UPDATE` in the manga upload handler so the call site stays
  consistent.
- repo::chapter::create / set_page_count: same shape.
- repo::page::create: same.
- api::mangas::create and api::chapters::create both open a
  transaction around their DB writes; storage puts happen inside the
  transaction window (since they must precede the page-row insert), so
  a failed put aborts before commit.

New integration test (api_uploads::chapter_upload_rolls_back_when_
storage_fails_mid_loop) uses a `FailingStorage` helper that errors on
the N-th `put`. With N=1 (page 2 fails), the handler returns 500 and
the chapter + page tables stay empty.

`harness_with_failing_storage` is exposed alongside the existing
`harness` so future tests can reuse it for other fault-injection
cases.

Lockstep version bump to 0.9.3.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-16 23:25:13 +02:00

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{
"name": "mangalord-frontend",
"version": "0.9.3",
"private": true,
"type": "module",
"scripts": {
"dev": "vite dev",
"build": "vite build",
"preview": "vite preview",
"check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json",
"test": "vitest run",
"test:watch": "vitest",
"test:e2e": "playwright test"
},
"devDependencies": {
"@playwright/test": "^1.48.0",
"@sveltejs/adapter-node": "^5.2.0",
"@sveltejs/kit": "^2.7.0",
"@sveltejs/vite-plugin-svelte": "^4.0.0",
"@testing-library/jest-dom": "^6.6.0",
"@testing-library/svelte": "^5.2.0",
"@types/node": "^22.7.0",
"jsdom": "^25.0.0",
"svelte": "^5.0.0",
"svelte-check": "^4.0.0",
"tslib": "^2.7.0",
"typescript": "^5.6.0",
"vite": "^5.4.0",
"vitest": "^2.1.0"
}
}