perf(server): yield between filtered workspace search pages

[leoisadev1]

Problem

Content searches can process many filtered native grep pages without yielding, delaying unrelated server work until the search budget expires.

Changes

Yield between subsequent grep pages and recheck the deadline before starting another native call. Keep the first-page behavior and search results unchanged. Add regressions for concurrent work, budget expiration during the yield, interruption, and finder cleanup.

Verification

• Parent verification passed all 41 tests across WorkspaceSearchIndex and WorkspaceEntries, including real native index/search behavior in isolated temporary workspaces.
• Targeted lint, focused TypeScript checking, and diff checks passed.
• No client, provider adapter, contract, or migration changes. No browser UI behavior or end-to-end latency percentage is claimed; the scheduling and cancellation regressions use deterministic test controls.
• Full repository and configured Effect compiler checks are left to CI.

Implemented and verified by gpt-6-astra in T3 Code through the Grok harness.

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1 Skipped Deployment

Project	Deployment	Actions	Updated
akeru-bot-landing	Skipped		Sep 8, 2026 7:32pm UTC

[greptile-apps]

Greptile Summary

This PR improves filtered, paginated workspace content searches in WorkspaceSearchIndex.ts. It yields before requesting a subsequent native grep page, rechecks the search deadline after yielding, and adds coverage confirming that interrupted searches do not issue another native call and still release their finder.

Confidence Score: 5/5

Safe to merge; the changed paginated-search behavior is covered by focused execution checks.

No findings remain. The targeted before-and-after checks confirm that queued work runs before the next native grep page, an expired deadline prevents another native call, and interruption preserves cleanup.

Files Needing Attention: No files need additional attention. The focused changes in apps/server/src/workspace/WorkspaceSearchIndex.ts and apps/server/src/workspace/WorkspaceSearchIndex.test.ts were exercised.

T-Rex Logs

What T-Rex did

• Reviewed the paginated content-search loop with a focus on scheduling, deadline handling, interruption, and finder cleanup.
• Compared the PR against the earlier implementation using three targeted checks; the older approach did not yield before the next grep and could begin another grep after the simulated deadline, while the PR passed all three checks.
• Validated the PR validation output showing Tests 3 passed | 8 skipped (11).
• Confirmed the before-and-after comparison script is retained and does not modify source files.
• Captured and retained the exact validation script and its before/after outputs as artifacts for review.

_{Ran code and verified through T-Rex}

_{Reviews (2): Last reviewed commit: "Merge remote-tracking branch 'origin/mai..." | Re-trigger Greptile}