veza/docs/archive/backend-sessions-2026/API_CONTRACT_FINAL.md
senke 0e7097ed1b chore(cleanup): J1 — purge 220MB debris, archive session docs (complete)
First-attempt commit 3a5c6e184 only captured the .gitignore change; the
pre-commit hook silently dropped the 343 staged moves/deletes during
lint-staged's "no matching task" path. This commit re-applies the intended
J1 content on top of bec75f143 (which was pushed in parallel).

Uses --no-verify because:
- J1 only touches .md/.json/.log/.png/binaries — zero code that would
  benefit from lint-staged, typecheck, or vitest
- The hook demonstrated it corrupts pure-rename commits in this repo
- Explicitly authorized by user for this one commit

Changes (343 total: 169 deletions + 174 renames):

Binaries purged (~167 MB):
- veza-backend-api/{server,modern-server,encrypt_oauth_tokens,seed,seed-v2}

Generated reports purged:
- 9 apps/web/lint_report*.json (~32 MB)
- 8 apps/web/tsc_*.{log,txt} + ts_*.log (TS error snapshots)
- 3 apps/web/storybook_*.json (1375+ stored errors)
- apps/web/{build_errors*,build_output,final_errors}.txt
- 70 veza-backend-api/coverage*.out + coverage_groups/ (~4 MB)
- 3 veza-backend-api/internal/handlers/*.bak

Root cleanup:
- 54 audit-*.png (visual regression baselines, ~11 MB)
- 9 stale MVP-era scripts (Jan 27, hardcoded v0.101):
  start_{iteration,mvp,recovery}.sh,
  test_{mvp_endpoints,protected_endpoints,user_journey}.sh,
  validate_v0101.sh, verify_logs_setup.sh, gen_hash.py

Session docs archived (not deleted — preserved under docs/archive/):
- 78 apps/web/*.md     → docs/archive/frontend-sessions-2026/
- 43 veza-backend-api/*.md → docs/archive/backend-sessions-2026/
- 53 docs/{RETROSPECTIVE_V,SMOKE_TEST_V,PLAN_V0_,V0_*_RELEASE_SCOPE,
          AUDIT_,PLAN_ACTION_AUDIT,REMEDIATION_PROGRESS}*.md
                        → docs/archive/v0-history/

README.md and CONTRIBUTING.md preserved in apps/web/ and veza-backend-api/.

Note: The .gitignore rules preventing recurrence were already pushed in
3a5c6e184 and remain in place — this commit does not modify .gitignore.

Refs: AUDIT_REPORT.md §11
2026-04-14 17:12:03 +02:00

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Markdown

# Veza API Contract (Finalized)
## 1. Overview
This document defines the finalized API contract for the Veza backend. All endpoints adhere to strict JSON standards, snake_case naming conventions, and a unified response envelope.
## 2. Global Standards
- **Protocol**: HTTP/1.1
- **Content-Type**: `application/json`
- **Charset**: `utf-8`
- **Date Format**: ISO 8601 (`YYYY-MM-DDThh:mm:ssZ`)
- **Naming Convention**: `snake_case` for all JSON keys.
## 3. Response Envelope
Every API response (Success or Error) is wrapped in a unified envelope.
### 3.1. Success Response
HTTP Status: `200 OK`, `201 Created`
```json
{
"success": true,
"data": {
// Resource or Object
"id": "123",
"name": "example"
},
"error": null
}
```
### 3.2. Error Response
HTTP Status: `4xx`, `5xx`
```json
{
"success": false,
"data": null,
"error": {
"code": 400,
"message": "Validation failed",
"details": [
{
"field": "email",
"message": "Invalid email format"
}
],
"request_id": "req_123xyz"
}
}
```
## 4. Error Handling
Frontend clients should check the `success` boolean.
- If `success` is `false`, read the `error` object.
- `error.code` maps to standard HTTP status codes but provides application-level context.
- `error.details` is an optional array of field-specific errors (useful for form validation).
## 5. Authentication
- **Header**: `Authorization: Bearer <token>`
- **Token Type**: JWT (Access Token)
- **Refresh**: Use `/api/v1/auth/refresh` to rotate tokens.
## 6. Pagination
Endpoints returning lists support cursor-based or offset-based pagination.
Helper structure in `data`:
```json
{
"list": [...],
"pagination": {
"page": 1,
"limit": 20,
"total": 100,
"has_next": true
}
}
```
## 7. Versioning
- Current Version: `v1`
- Base Path: `/api/v1`
## 8. Key Changes (Remediation Phase)
- **Unified Handlers**: All handlers now use `RespondSuccess` and `RespondWithAppError`.
- **Snake Case**: All DTOs enforce `snake_case`.
- **Validation**: Strict validation on all request bodies using `go-playground/validator`.