fix(dashboard): fix pagination

[jog1t]

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[railway-app]

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Service	Status	Web	Updated (UTC)
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[jog1t]

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• fix(dashboard): fix pagination #4083 👈 (View in Graphite)
• feat(dashboard): add usage alerts #4082
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commit: b650c8f

[claude]

PR Review: fix(dashboard): fix pagination

Summary

This PR migrates from cursor-based pagination to offset-based pagination for the Cloud API endpoints (namespaces.list and projects.list), while maintaining cursor-based pagination for the Engine API.

Code Quality & Best Practices

Good Practices:

• Clean separation of concerns between Cloud and Engine pagination strategies
• Proper type safety with TypeScript
• Consistent use of RECORDS_PER_PAGE constant

Concerns:

1. Dummy pagination object (cloud-data-provider.tsx:117): Creating a dummy pagination object that does not match the API response could be confusing. Consider removing the pagination field or documenting why needed.

2. Missing type assertion safety (lines 113, 147): The code assumes pageParam is always a valid numeric string. Consider adding validation.

3. Code duplication: The getNextPageParam logic is duplicated. Consider extracting into a shared helper function.

Potential Bugs

Critical Issue - Offset calculation:

The getNextPageParam implementation has a bug when calculating the next offset by counting all items across all pages. This assumes all previous pages returned exactly RECORDS_PER_PAGE items. If any page returned fewer items (due to deletions or data changes), the offset will be incorrect, leading to skipping or duplicate records.

Recommendation: Keep track of the actual offset separately by using the previous page param and adding the last page length, rather than recalculating from all pages.

Test Coverage

Missing tests: This PR does not include tests for pagination changes. Given the critical nature of pagination, I recommend adding unit tests for getNextPageParam logic, integration tests for multi-page scenarios, and edge case tests.

Recommendations

High Priority:

• Fix the offset calculation bug in getNextPageParam
• Add validation for pageParam parsing

Medium Priority:

• Add test coverage for pagination logic
• Extract duplicated getNextPageParam logic into a helper
• Add explanatory comments for the dummy pagination object

---

Overall, this is a functional implementation but has a critical bug in the offset calculation that could cause data skipping or duplication. The lack of test coverage is also concerning for such core functionality.

[graphite-app]

Merge activity

• Jan 31, 2:06 AM UTC: jog1t added this pull request to the Graphite merge queue.
• Jan 31, 2:06 AM UTC: CI is running for this pull request on a draft pull request (#4084) due to your merge queue CI optimization settings.
• Jan 31, 2:07 AM UTC: Merged by the Graphite merge queue via draft PR: #4084.

[graphite-app]

Graphite Automations

"Test" took an action on this PR • (01/31/26)

1 assignee was added to this PR based on Kacper Wojciechowski's automation.