[BigSimmo]

User description

Requested by Josh · project thread

Summary

1. Source-number taps.
Before: when two or three source numbers sit side by side after a sentence, tapping the middle of "1" on a phone opened source 2. Each number has an invisible 48 px tap square, and the squares overlapped, with the later number winning.
After: each tap opens the number drawn under the finger. Between two numbers the tap area stops halfway across the gap. The outer sides of a cluster and the full 48 px height are unchanged. CSS only (.answer-source-mark::before in globals.css), a follow-up to #3519.

2. Keyword search cut off at 30 seconds.
Before: since #3454 (11 Oct) the shared service-role Supabase client aborts every call after 30 s. The keyword RPC match_document_chunks_text_v3 takes 31 to 48 s for some questions, so it returned nothing for 9 of the 36 golden cases in every eval canary since 11 Oct (0 of 36 on 4 Oct). Search then leaned on vector and table-fact results, and "alcohol CIWA threshold" lost the Alcohol Withdrawal guideline from its top 10 (a child protection SOP ranked first). This also stops the ranking snapshot from refreshing: every rebuild since 4 Oct fails tests/ranking-tuning.test.ts on that case, and the snapshot expires on 3 Nov.
After: the search path in rag.ts uses the unbounded admin client again and keeps the caller's own abort signal, exactly as before #3454. No other caller changes.

Areas touched: Design system, Answer engine

RAG impact: behaviour change — restores pre-#3454 keyword retrieval. Canary pair 38419027058 (13 Oct, main, 9/36 cases with zero keyword candidates) -> post-merge canary to be dispatched with the owner's approval; regression means immediate single-commit revert.

Verification

• Tap fix, phone-width Chromium (375 px, demo answer, three-mark cluster), probing what a tap at each mark's left edge, centre and right edge hits. Before: {"idx":"0","centre":"1","right":"1"}. After: every probe hits its own mark, each tap area still 48 px tall.
• npm run test:focused -- --files src/lib/rag/rag.ts: Test Files 60 passed (60), Tests 1217 passed (1217)
• npm run typecheck: exit 0
• tests/answer-source-marks.dom.test.tsx, tests/answer-support-priority.dom.test.tsx: Tests 20 passed (20)
• Cause evidence, from the eval-canary artifacts (no new provider calls): 4 Oct run 37226742946, text_candidates > 0 on 36/36 cases. 11 Oct run 38162943170 and 13 Oct run 38419027058, text_candidates = 0 on 9/36, with match_document_chunks_text AbortError lines in the log.
• UI verification not run: browser suite left to CI.
• Live verification not run before merge: the eval canary only runs from main, so the post pair is dispatched after merge.

Clinical Governance Preflight

• This change does not alter privacy controls, patient-data handling, authentication, authorization, or document-access behavior.
• Supabase service-role credentials remain server-side only and are not exposed to clients.
• This change does not alter the configured Supabase project/target or perform a production database migration.
• This change does not alter demo/synthetic content separation from real clinical sources.
• This change does not alter source metadata, review status, or how outdated/unknown sources are handled.

The search change restores retrieval behaviour that was live and canary-validated up to 4 Oct. It changes which sources can rank, so it is a clinical decision-support-adjacent change, proven by the post-merge canary.

Risk and rollout

• Risk: medium for the search change. A slow keyword query can now take up to about 48 s again instead of failing fast at 30 s. That was the behaviour before 11 Oct.
• Rollback: revert the single search commit.
• Provider or production effects: merging deploys to production. One post-merge eval canary (about $1 to 2), approved by the owner on 15 Oct 2026.

Notes

• Draft until Josh has reviewed it. Josh approved the search change on 15 Oct 2026.
• The keyword RPC taking 30 to 48 s is slow in itself and is worth separate investigation.

🤖 Generated with Claude Code

https://claude.ai/code/session_01VkKjYakMrMXofU8foQCgbq

---

CodeAnt-AI Description

Restore long-running keyword search and fix citation taps

What Changed

• Keyword searches can now finish when they take longer than 30 seconds, restoring results that were previously cut off. Caller-requested cancellation still applies.
• Tapping a citation in a tight cluster now opens the source under the finger instead of a neighboring source.

Impact

✅ Fewer missing keyword search results
✅ Correct sources open from clustered citation taps

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Summary by CodeRabbit

• Bug Fixes
  • Improved citation tap areas so clustered marks no longer have overlapping targets.
  • Removed the default time limit for retrieval operations while preserving cancellation support.

[coderabbitai]

📝 Walkthrough

The changes adjust source-mark tap targets and remove the Supabase admin client’s default timeout from retrieval operations. Retrieval continues to use the caller’s abort signal.

Changes: Source-Mark Hit Areas

Layer / File(s)	Summary
Edge-anchored source-mark hit targets src/app/globals.css	Tap targets extend from mark edges. Adjacent marks divide the gap between their hit areas, while the cluster’s outer edges retain the full extension.

Retrieval Timeout

Layer / File(s)	Summary
Retrieval admin client timeout src/lib/rag/rag.ts	searchChunksWithTiming creates the Supabase admin client with timeoutMs: null. Retrieval continues to use the caller’s abort signal.

Priority: ⬆️ High

Estimated code review effort: 2 (Simple) | ~10 minutes

Change: Bug fix

Suggested reviewers: claude

Merge Risk: 🔵 Low · up to 0219d

A stalled clinical-query correction can leave affected searches pending despite caller cancellation. This is limited to the correction path, but should be bounded in follow-up.

Pre-merge checks: 4 · 1

Failed checks: 1 warning

Check name	Status	Explanation	Resolution
Docstring Coverage		Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 1 functions across 1 files. (1 skipped: 1 …	Write docstrings for the functions missing them to satisfy the coverage threshold.

Passed checks: 4 passed

Check name	Status	Explanation
Title check		The title clearly and concisely describes both primary changes: correcting source-number taps and removing the 30-second keyword-search cutoff.
Description check		The description follows the repository template and provides a complete summary, verification results, risk and rollout details, rollback plan, provider effects, governance checks, and notes. It also …
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 1 functions across 1 files. (1 skipped: 1 unsupported.)

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🏁 CodeAnt Quality Gate Results

Commit: 0219d2ea
Scan Time: 2026-10-15 15:46:08 UTC

✅ Overall Status: PASSED

Quality Gate Details

Quality Gate	Status	Details
Secrets	✅ PASSED	0 secrets found
Duplicate Code	✅ PASSED	0.0% duplicated
SAST	✅ PASSED	No security issues
Bugs	✅ PASSED	Rating S: No bugs
IAC	✅ PASSED	No IAC issues

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🤖 CodeAnt AI — Review Status

Status	Commit	Started (UTC)	Finished (UTC)
✅ Incremental review completed	6c1c297	Oct 15, 2026 · 15:00	15:01
✅ Reviewed your PR	2ffd7dd	Oct 15, 2026 · 13:18	13:22

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[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-10-15T13:22:16.283378Z	024b468	Draft marked ready

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[claude]

Claude encountered an error after 2s —— View job

---

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[qodo-code-review]

PR Summary by Qodo

Fix source-mark taps and restore slow keyword retrieval

🐞 Bug fix 🕐 20-40 Minutes

AI Description

• Prevent adjacent source marks from intercepting taps intended for their neighbours.
• Remove the search client's 30-second deadline so slow keyword results can reach ranking.

Diagram

graph TD
  CSS["Source-mark CSS"] --> Mark["Source-mark button"] --> Drawer["Source drawer"]
  Search["RAG search"] --> Admin["Unbounded admin client"] --> RPC["Keyword RPC"] --> Results["Ranked results"]

Loading

High-Level Assessment

The following are alternative approaches to this PR:

1. Use a longer search-specific deadline

• ➕ Limits the duration of a stalled database request.
• ➖ Could still discard valid keyword results when corpus latency exceeds the new limit.
• ➖ Requires a justified timeout threshold and ongoing latency monitoring.

Recommendation: Use the PR's unbounded client to restore the previous search behaviour while retaining the caller's abort signal. Consider a search-specific deadline later if production latency data supports one.

Files changed (2) +23 / -7

Bug fix (2) +23 / -7

globals.cssKeep adjacent source-mark tap areas from overlapping +18/-6

Keep adjacent source-mark tap areas from overlapping

• Limits each tap area's inner edge to the midpoint between neighbouring marks. Outer edges retain their reach, and every mark retains the full tap-area height.

src/app/globals.css

rag.tsRemove the default admin-client deadline from search +5/-1

Remove the default admin-client deadline from search

• Creates an unbounded admin client for the search path so keyword RPCs can finish after 30 seconds. The caller's abort signal remains available.

src/lib/rag/rag.ts

[qodo-code-review]

Qodo Fixer

No findings are available for this PR yet. Findings appear here once Qodo has reviewed the PR.

[codeant-ai]

CodeAnt Nitpicks

1 code suggestion

1. correct_clinical_query_terms is awaited without args.signal; removing the client timeout means a stalled correction RPC can ignore request cancellation and hold the search indefinitely.

Possible bug · src/lib/rag/rag.ts:1155

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Reviewed commit: 024b46802b

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[BigSimmo]

Re the CodeAnt nitpick on correct_clinical_query_terms: this stays as is. Before #3454 the correction RPC ran on the same unbounded client without args.signal, so this PR restores the old behaviour exactly. Wiring the caller's signal into every search RPC is a reasonable follow-up, but it is outside this fix.

---

Generated by Claude Code

[codeant-ai]

CodeAnt PR Risk: Medium Risk

• The PR needs attention before merging because keyword searches no longer have the shared 30-second client deadline.
• Confirm caller cancellation reliably limits slow or stalled RPCs; the change allows searches to run beyond the documented 30–48-second query times.

Assessed commit: 6c1c297a42ef

[qodo-code-review]

Code Review by Qodo

🐞 Bugs (0) 📘 Rule violations (0) 🔗 Cross-repo conflicts (0) 📜 Skill insights (1)

No findings for this group

No findings for this group

1. Wrapped source marks lose tap space 🟡 Low 📜 Skill insight ≡ Correctness

Description

The adjacent-sibling rules trim both tap-area edges whenever marks are siblings, even if the
inline-block buttons wrap onto separate lines. At a phone-width line break, those marks have no
physical neighbour on the trimmed side, so part of the intended 48-pixel touch area disappears.

Code

src/app/globals.css[R2805-2810]

+.answer-source-mark + .answer-source-mark::before {
+  left: calc(-0.5 * var(--answer-mark-gap));
+}
+
+.answer-source-mark:has(+ .answer-source-mark)::before {
+  right: calc(-0.5 * var(--answer-mark-gap));

Relevance

● Weak

Exact recent precedent rejected the same adjacent-mark hit-area concern in PR #3519.

PR-#3519

ⓘ Recommendations generated based on similar findings in past PRs

Evidence

The ux-review skill specifically requires checking mobile touch boundaries. The new selectors use
DOM sibling relationships to constrain the touch area, whereas the mark is an inline-block button
that can wrap independently of its sibling.

src/app/globals.css[2795-2811]
src/app/globals.css[2770-2782]
src/components/clinical-dashboard/answer-source-mark.tsx[59-70]
Skill: ux-review

Agent prompt

The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

## Issue description
Sibling selectors assume adjacent source marks are on the same line. When a cluster wraps, they unnecessarily shrink the outer touch areas of marks on different lines.
## Fix Focus Areas
- src/app/globals.css[2795-2811]
- src/components/clinical-dashboard/answer-source-mark.tsx[59-70]
## Recommended Fix
Keep each mark's full touch area when adjacent marks render on different lines, while preventing overlap for marks that share a line. Add a phone-width browser check with a cluster forced across a line break.

ⓘ Copy this prompt and use it to remediate the issue with your preferred AI generation tools

Dismiss ↗ | View ↗

---

Resolved findings

1. Cancelled searches keep querying ✗ Dismissed

Description

searchChunksWithTiming creates an admin client without a database timeout, but the
correct_clinical_query_terms fallback and memory-card retrieval and hydration queries do not
attach the available search signal. When text variants return no matches or memory-card loading
stalls after cancellation, those database requests can remain pending until the database or network
responds, even though the keyword retrieval path can use the signal.

Code

src/lib/rag/rag.ts[1155]

+  const supabase = createAdminClient({ timeoutMs: null });

Relevance

●●● Strong

Recent reliability precedents accept bounded cancellation for hung database reads and propagation
across shared requests.

PR-#2967
PR-#2805
PR-#3363

ⓘ Recommendations generated based on similar findings in past PRs

Evidence

Passing timeoutMs: null disables the admin client's database timeout for this search. The search
route supplies a cancellation signal, and the versioned text RPC passes it, but the no-results
correction RPC does not; the cited memory-card path likewise omits the signal from retrieval and the
awaited document and chunk queries.

src/lib/rag/rag.ts[1151-1155]
src/lib/rag/rag-candidate-sources.ts[698-711]
src/lib/rag/rag-candidate-sources.ts[770-787]
src/lib/supabase/admin.ts[27-43]
src/lib/supabase/admin.ts[66-82]
src/app/api/search/route.ts[1030-1037]
src/lib/rag/rag.ts[1335-1344]
src/lib/rag/rag.ts[1508-1517]
src/lib/rag/rag-candidate-sources.ts[1740-1766]
src/lib/rag/rag-candidate-sources.ts[1173-1210]
Skill: rag

Agent prompt

The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

## Issue description
The unbounded search client leaves correction and memory-card database requests without a client-side limit where they do not receive the caller's abort signal. Cancellation can therefore leave those requests pending.

## Fix Focus Areas
- src/lib/rag/rag.ts[1151-1155]
- src/lib/rag/rag.ts[1339-1343]
- src/lib/rag/rag.ts[1509-1517]
- src/lib/rag/rag-candidate-sources.ts[771-786]
- src/lib/rag/rag-candidate-sources.ts[1165-1211]
- src/lib/rag/rag-candidate-sources.ts[1724-1770]

## Recommended Fix
Preserve the longer allowance for slow keyword retrieval, but attach `args.signal` to the correction RPC in `searchTextChunkCandidates` and the analogous correction call in `rag.ts`. Pass the search signal through memory-artifact loading and memory-card retrieval, attaching it to the document and chunk queries, and add a focused cancellation test for the no-text-results fallback.

ⓘ Copy this prompt and use it to remediate the issue with your preferred AI generation tools

---

Context sources

✅ Compliance rules (platform): 9 rules

✅ Skills: 13 invoked

  accessibility-review

  design-review

  ux-review

  ai-architecture-review

  performance-review

  supabase

  rag

  clinical

  review

  testing-review

  ui

  performance

  source-governance

✅ Cross-repo context — repo relationships

Review mode: Auto: ⚖️ Balanced: Touches interactive CSS behavior and unbounded search-client timeout semantics.

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[qodo-code-review]

No code changes since the last review — review skipped

[gitar-bot]

Code Review ✅ Approved

🟡 Medium risk · Removing the 30-second keyword-search deadline restores slow retrieval but could surface different clinical guidance or delay results for users.

Fixes overlapping invisible tap squares on adjacent source-number marks so each tap opens the number under the finger, and restores the unbounded admin Supabase client in the RAG search path so keyword RPC results are no longer cut off at 30 seconds. No issues found.

Verification

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Functional validation Not enabled

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[coderabbitai]

Actionable comments posted: 1

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• 🪄 Fix comments: Fix CodeRabbit comments on this PR

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Inline comments:
Review comments at @src/lib/rag/rag.ts:
- Line 1155: Restrict the `timeoutMs: null` client created by
`createAdminClient` to the slow keyword RPC; keep `correct_clinical_query_terms`
on a client with a finite deadline, or attach `args.signal` and retain a finite
fallback deadline for that call.

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