feat: cursor pagination for /api/usage#570
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greatest0fallt1me merged 7 commits intoJun 28, 2026
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- Add cursor-based pagination to GET /api/usage endpoint - Support both cursor and offset/limit pagination (backwards compatible) - Cursor format: base64 encoded 'created_at|id' - Add validation for malformed cursors (returns 400) - Use composite index on (created_at DESC, id DESC) for O(log n) performance - Update repository interfaces to support cursor parameter - Update InMemoryUsageEventsRepository to handle cursor pagination - Regenerate error codes and OpenAPI documentation - All tests passing (77/77) Closes CalloraOrg#406
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- Remove unused cursorPaginatedResponse import - Remove unused UsageResponse import - Fix limit variable in cursor branch - Clean up ESLint errors
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Closes #406
Description
This PR adds cursor-based pagination to the
/api/usageendpoint to replace offset/limit pagination for large data sets.Changes
(created_at, id)keysetcreated_at|idWhy
Offset/limit pagination degrades performance on tables with millions of records. Cursor pagination using keyset on
(created_at, id)provides O(log n) performance even on deep pages.Testing
Performance
(created_at DESC, id DESC)