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claude-howto/02-memory/directory-api-CLAUDE.md
Luong NGUYEN 7f2e77337e docs: update Last Updated date and Claude Code version across all files
Update all documentation footers from generic "April 2026 / 2.1+" to
the specific sync date (April 9, 2026) and documented version (2.3.0).
Also add version/date footers to zh/CATALOG.md and
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Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>
2026-04-09 06:41:16 +02:00

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# API Module Standards
This file overrides root CLAUDE.md for everything in /src/api/
## API-Specific Standards
### Request Validation
- Use Zod for schema validation
- Always validate input
- Return 400 with validation errors
- Include field-level error details
### Authentication
- All endpoints require JWT token
- Token in Authorization header
- Token expires after 24 hours
- Implement refresh token mechanism
### Response Format
All responses must follow this structure:
```json
{
"success": true,
"data": { /* actual data */ },
"timestamp": "2025-11-06T10:30:00Z",
"version": "1.0"
}
```
Error responses:
```json
{
"success": false,
"error": {
"code": "VALIDATION_ERROR",
"message": "User message",
"details": { /* field errors */ }
},
"timestamp": "2025-11-06T10:30:00Z"
}
```
### Pagination
- Use cursor-based pagination (not offset)
- Include `hasMore` boolean
- Limit max page size to 100
- Default page size: 20
### Rate Limiting
- 1000 requests per hour for authenticated users
- 100 requests per hour for public endpoints
- Return 429 when exceeded
- Include retry-after header
### Caching
- Use Redis for session caching
- Cache duration: 5 minutes default
- Invalidate on write operations
- Tag cache keys with resource type
---
**Last Updated**: April 9, 2026