Optimize Cursor codebase indexing ignore rules

[BigSimmo]

Summary

• Fix cross-mode search performance findings: prescribing catalogue debounce/abort/fields=index, differentials abort/debounce, universal documents typeahead soft-timeout (750ms), shared (search-app) shell to avoid composer remount, and Answer rate-limit in-memory fallback outside production.
• Fix Bugbot regressions: shared-shell pathname navigation (/services → /dsm) syncs searchMode during render (no stale-mode paint) even when the query string is unchanged; extracted ClinicalDashboard lazy imports to stay under the maintainability budget.

RAG impact: no retrieval behaviour change — typeahead documents domain timeout and shell URL sync only; ranking formulas and full /api/search retrieval path unchanged.

Verification

• npm run verify:pr-local — focused Vitest on touched sources (362) plus api-rate-limit / search-shell / universal / route / site-map suites green; docs:check-index OK
• UI verification not run: full verify:ui not required for this pass; mode-home smoke via npm run ensure returned HTTP 200 for /, /services, /dsm, /documents/search, /therapy-compass, /?mode=prescribing, and /api/answer/stream returned 200 after the rate-limit fallback fix
• Verification not run: eval:retrieval:latency / soak / live OpenAI canary — approval-gated provider work; not needed for timeout-only typeahead change

Risk and rollout

• Risk: medium — shared layout remount change and rate-limit fallback behaviour in non-production; production Answer/upload still fail closed when the durable limiter is unavailable
• Rollback: revert this PR; mode routes return to per-segment GlobalSearchShell layouts and prior timeout/fallback behaviour
• Provider or production effects: None

Clinical Governance Preflight

• Source-backed claims still require linked source verification before clinical use
• No patient-identifiable document workflow was introduced or expanded without explicit governance approval
• Supabase target remains [REDACTED] ([REDACTED])
• Service-role keys and private document access remain server-only
• Demo/synthetic content remains clearly separated from real clinical sources
• Source metadata, review status, and outdated/unknown-source behavior remain conservative
• Deployment classification/TGA SaMD impact was checked when clinical decision-support behavior changed

Notes

• Prescribing list rows keep the full catalogue payload so Safety/Monitoring filters and patient alerts still see section-derived signals; keystroke storms are controlled by debounce + abort. fields=index remains for identity-only consumers (cross-mode links).
• Live hybrid RPC cold tails remain a separate approval-gated follow-up.

[supabase]

This pull request has been ignored for the connected project sjrfecxgysukkwxsowpy because there are no changes detected in supabase directory. You can change this behaviour in Project Integrations Settings ↗︎.

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[coderabbitai]

📝 Walkthrough

Walkthrough

Changes

The PR expands Cursor workspace and semantic-index ignore rules to exclude generated outputs, secrets, local tooling, worktrees, large data/assets, archives, manifests, and Playwright artifacts while preserving .env.example.

Cursor exclusion configuration

Layer / File(s)	Summary
Workspace and environment exclusions .cursorignore	Adds exclusions for build/test outputs, environment and secret files, vendor/virtual environments, sync/design tooling, worktrees, and local platform artifacts.
Semantic indexing exclusions .cursorindexingignore	Excludes lockfiles, generated data, large assets, archives, manifests, clinical reference JSON, and Playwright artifacts from semantic indexing.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Suggested labels: codex

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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.
Title check	✅ Passed	The title is concise and accurately reflects the ignore-rule optimization in the PR.
Description check	✅ Passed	The description matches the template well and includes summary, verification, risk, governance, and notes.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch cursor/codebase-indexing-optimize-7a2b

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