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feat(geschichte): bound title and JOURNEY intro at all three layers

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Title: requireTitle() turns the VARCHAR(255) DB bound into a friendly 400
(GESCHICHTE_TITLE_TOO_LONG). JOURNEY intro: MAX_INTRO_LENGTH = 4000 in
bodyForType() plus a V75 CHECK as atomic backstop (defensive clamp first,
STORY bodies exempt) — GESCHICHTE_INTRO_TOO_LONG. Both codes wired through
ErrorCode.java, errors.ts, getErrorMessage and de/en/es. DB-layer boundary
pins added: exactly-2000 note insert (V74 CHECK) and 4000/4001 intro
inserts against real Postgres. Docs: error-code lists, db puml diagrams.

The matching maxlength attributes land with the component commits.

Review round 3: Markus (b), Nora (1), Sara (DB 2000 boundary).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Marcel
2026-06-11 08:28:08 +02:00
parent 98805f596a
commit b9bed19610
14 changed files with 244 additions and 5 deletions
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CLAUDE.md
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@@ -163,7 +163,7 @@ Input DTOs live flat in the domain package. Response types are the model entitie
→ See [CONTRIBUTING.md §Error handling](./CONTRIBUTING.md#error-handling)
**LLM reminder:** use `DomainException.notFound/forbidden/conflict/internal()` from service methods — never throw raw exceptions. When adding a new `ErrorCode`: (1) add to `ErrorCode.java`, (2) add to `ErrorCode` type in `frontend/src/lib/shared/errors.ts`, (3) add a `case` in `getErrorMessage()`, (4) add i18n keys in `messages/{de,en,es}.json`. Valid error codes include: `TOO_MANY_LOGIN_ATTEMPTS` (returned by `LoginRateLimiter` as HTTP 429 when a brute-force threshold is exceeded); `JOURNEY_NOTE_TOO_LONG`, `JOURNEY_DOCUMENT_ALREADY_ADDED`, `GESCHICHTE_TYPE_IMMUTABLE` (journey/geschichte domain constraints).
**LLM reminder:** use `DomainException.notFound/forbidden/conflict/internal()` from service methods — never throw raw exceptions. When adding a new `ErrorCode`: (1) add to `ErrorCode.java`, (2) add to `ErrorCode` type in `frontend/src/lib/shared/errors.ts`, (3) add a `case` in `getErrorMessage()`, (4) add i18n keys in `messages/{de,en,es}.json`. Valid error codes include: `TOO_MANY_LOGIN_ATTEMPTS` (returned by `LoginRateLimiter` as HTTP 429 when a brute-force threshold is exceeded); `JOURNEY_NOTE_TOO_LONG`, `JOURNEY_DOCUMENT_ALREADY_ADDED`, `GESCHICHTE_TYPE_IMMUTABLE`, `GESCHICHTE_TITLE_TOO_LONG`, `GESCHICHTE_INTRO_TOO_LONG` (journey/geschichte domain constraints).
### Security / Permissions
@@ -271,7 +271,7 @@ Back button pattern — use the shared `<BackButton>` component from `$lib/share
→ See [CONTRIBUTING.md §Error handling](./CONTRIBUTING.md#error-handling)
**LLM reminder:** when adding a new `ErrorCode`: (1) add to `ErrorCode.java`, (2) add to `ErrorCode` type in `frontend/src/lib/shared/errors.ts`, (3) add a `case` in `getErrorMessage()`, (4) add i18n keys in `messages/{de,en,es}.json`. Valid error codes include: `TOO_MANY_LOGIN_ATTEMPTS` (returned by `LoginRateLimiter` as HTTP 429 when a brute-force threshold is exceeded); `JOURNEY_NOTE_TOO_LONG`, `JOURNEY_DOCUMENT_ALREADY_ADDED`, `GESCHICHTE_TYPE_IMMUTABLE` (journey/geschichte domain constraints).
**LLM reminder:** when adding a new `ErrorCode`: (1) add to `ErrorCode.java`, (2) add to `ErrorCode` type in `frontend/src/lib/shared/errors.ts`, (3) add a `case` in `getErrorMessage()`, (4) add i18n keys in `messages/{de,en,es}.json`. Valid error codes include: `TOO_MANY_LOGIN_ATTEMPTS` (returned by `LoginRateLimiter` as HTTP 429 when a brute-force threshold is exceeded); `JOURNEY_NOTE_TOO_LONG`, `JOURNEY_DOCUMENT_ALREADY_ADDED`, `GESCHICHTE_TYPE_IMMUTABLE`, `GESCHICHTE_TITLE_TOO_LONG`, `GESCHICHTE_INTRO_TOO_LONG` (journey/geschichte domain constraints).
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