⚡ Bolt: Eliminate redundant API request on project detail page by aicoder2009 · Pull Request #141 · aicoder2009/opencitation

aicoder2009 · 2026-06-01T08:18:53Z

💡 What: The optimization implemented

Removed a redundant network call (/api/projects/[id]/lists) in the Project details page (src/app/projects/[id]/page.tsx). The lists belonging to the current project are now derived in-memory by filtering the allLists array (fetched via /api/lists).

🎯 Why: The performance problem it solves

The page was previously making two independent database queries (and network requests) to fetch list data: one for all lists (getUserLists) and another specifically for the project's lists (getProjectLists, which itself calls getUserLists backend-side and filters). This caused duplicate database lookups and unnecessarily increased the payload size over the network.

📊 Impact

Reduces database reads by eliminating the duplicate getUserLists call on the backend.
Eliminates 1 outgoing network request (reducing bandwidth).
Saves frontend processing time by preventing an extra JSON parsing step.

🔬 Measurement

Load the project detail page and monitor the Network tab. You will now observe only 2 concurrent API requests (/api/projects/[id] and /api/lists) instead of 3, while preserving all existing functionality and rendering.

PR created automatically by Jules for task 12385135960809278255 started by @aicoder2009

Summary by CodeRabbit

Documentation
- Added performance guidance for handling global datasets and derived subsets via client-side filtering.
Performance
- Optimized data fetching by eliminating redundant API requests; project-specific data is now derived client-side from global datasets.

- Removed redundant `/api/projects/[id]/lists` request. - Derived `projectLists` in-memory by filtering the globally fetched `allLists`. - Appended journal entry in `.jules/bolt.md` documenting this performance pattern. Co-authored-by: aicoder2009 <127642633+aicoder2009@users.noreply.github.com>

vercel · 2026-06-01T08:18:54Z

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Project	Deployment	Actions	Updated (UTC)
opencitation	Ready	Preview, Comment	Jun 1, 2026 8:20am

google-labs-jules · 2026-06-01T08:18:55Z

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coderabbitai · 2026-06-01T08:19:06Z

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: 44559f90-7e02-4459-887e-3951149387dc

📥 Commits

Reviewing files that changed from the base of the PR and between b872925 and 3f64a9e.

📒 Files selected for processing (2)

.jules/bolt.md
src/app/projects/[id]/page.tsx

📝 Walkthrough

Walkthrough

This PR optimizes data fetching in ProjectDetailPage by eliminating a redundant API call. Instead of fetching project and global lists separately, the page now fetches only the project and global lists concurrently, then derives project-specific lists client-side via filtering. A new performance guidance note documents this pattern.

Changes

Client-side filtering optimization

Layer / File(s)	Summary
Performance pattern guidance `.jules/bolt.md`	Documents that components should compute filtered subsets in-memory from already-fetched global datasets instead of issuing additional API requests.
Apply filtering to project lists `src/app/projects/[id]/page.tsx`	`fetchProjectAndLists` removes the dedicated project-lists API call and instead filters the fetched global lists by `projectId` to populate the page's `lists` state, while populating `allLists` from the global response.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Poem

🐰 One list to rule them all, so wise,
Filter local, avoid the skies,
Network calls cut in half today,
Hop less, fetch once—the rabbit way! 🌿

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and specifically describes the main change: eliminating a redundant API request on the project detail page, which directly corresponds to the core change of removing the dedicated project lists API call.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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Commit on current branch

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Create PR with unit tests
Commit unit tests in branch bolt-optimize-project-lists-fetching-12385135960809278255

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Copilot

Pull request overview

This PR optimizes the Project detail page data loading by removing a redundant project-lists API call and instead deriving the project’s lists from the already-fetched global lists collection.

Changes:

Remove the /api/projects/[id]/lists request from the project detail page and filter the /api/lists result in-memory to get project-specific lists.
Update internal Bolt learnings documentation to capture the “derive subsets from a global collection” optimization pattern.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
`src/app/projects/[id]/page.tsx`	Eliminates the redundant project-lists fetch and derives `lists` by filtering `allLists` in-memory.
`.jules/bolt.md`	Documents the in-memory filtering optimization as a reusable performance guideline.

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      if (allListsResult.success) {
-        setAllLists(allListsResult.data);
+        const globalLists = allListsResult.data as List[];
+        setAllLists(globalLists);
+
+        // Derive the project-specific lists in-memory to avoid an extra API request
+        const projectLists = globalLists.filter(list => list.projectId === projectId);
+        setLists(projectLists);
      }


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⚡ Bolt: Eliminate redundant API request on project detail page#141

⚡ Bolt: Eliminate redundant API request on project detail page#141
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bolt-optimize-project-lists-fetching-12385135960809278255

aicoder2009 commented Jun 1, 2026 •

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aicoder2009 commented Jun 1, 2026 • edited by coderabbitai Bot Loading Uh oh! There was an error while loading. Please reload this page.

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💡 What: The optimization implemented

🎯 Why: The performance problem it solves

📊 Impact

🔬 Measurement

Summary by CodeRabbit

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aicoder2009 commented Jun 1, 2026 •

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