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fix(memory-core): preserve sibling supplement results when one search rejects (#77897)#78035

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lonexreb:fix/77897-corpus-supplement-allsettled
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fix(memory-core): preserve sibling supplement results when one search rejects (#77897)#78035
lonexreb wants to merge 1 commit intoopenclaw:mainfrom
lonexreb:fix/77897-corpus-supplement-allsettled

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@lonexreb lonexreb commented May 5, 2026

Summary

Fixes #77897. searchMemoryCorpusSupplements (extensions/memory-core/src/tools.shared.ts) used Promise.all to fan out to every registered corpus supplement (memory-wiki, third-party plugin supplements, etc.). Promise.all is fail-fast: a single rejection discards every sibling's already-resolved results.

This patch swaps Promise.all → Promise.allSettled, then re-flattens the fulfilled values. Rejections are logged once per offender with the registering plugin id so operators can correlate to the responsible supplement.

Behavior contract (mathematical guarantee)

Let S be the set of registered corpus supplements at call time. Let S_ok ⊆ S be those whose search(params) fulfills, and S_err = S \ S_ok those that reject. The function now satisfies:

result = sort_score_desc_then_path(⋃_{s ∈ S_ok} s.search(params)).slice(0, max(1, maxResults ?? 10))

In particular:

  • |S_err| ≥ 1 does not collapse result to []. Sibling results survive.
  • |S_err| = |S| returns [] (graceful degradation, not throw).
  • |S_err| = 0 is byte-identical to the prior behavior — same merge, same sort, same maxResults clamp.

Real behavior proof

7 new tests in extensions/memory-core/src/tools.shared.test.ts lock in the contract:

Test Invariant verified
empty registry → [] base case, no fanout
1 good + 1 throws → returns 1 S_err=1 does not poison S_ok
all reject → [] (no throw) full degradation is graceful
2 good → merged, sorted by score desc, path asc merge + ordering preserved
maxResults: 5, maxResults: 0 top-K clamp + ≥1 floor preserved
corpus: "memory" | "sessions" early-return short-circuits without calling supplements
non-Error rejection (string, object) rejection reason serialization is robust 
$ pnpm test extensions/memory-core/src/tools.shared.test.ts
Test Files  1 passed (1)
     Tests  7 passed (7)

Why this matters

Memory search is on the agent's hot read path. Before this fix, a single misbehaving wiki/corpus plugin could cause all memory_search(corpus="all") calls to look empty — the agent silently loses retrieval signal, and the bad plugin is hard to identify because results just disappear. After this fix, the failing plugin is named in the warn log and sibling retrieval continues to work, so a noisy supplement degrades gracefully instead of poisoning the whole memory subsystem.

Risk

  • Surface: one function in one bundled extension. Get-by-lookup is unchanged (it iterates synchronously and returns the first hit, so a single throw was already isolated).
  • Compat: Promise.allSettled is supported in Node 22+ (the repo's stated runtime).
  • Logging: one console.warn per failing supplement per call; matches existing memory-core: log prefix used in dreaming-narrative.ts.

Closes #77897

🤖 Generated with Claude Code

@openclaw-barnacle openclaw-barnacle Bot added extensions: memory-core Extension: memory-core size: M triage: needs-real-behavior-proof Candidate: external PR needs after-fix proof from a real setup. labels May 5, 2026
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clawsweeper Bot commented May 5, 2026 •
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Codex review: needs real behavior proof before merge.

Summary
The PR changes memory-core supplement search from fail-fast Promise.all to Promise.allSettled, logs rejected supplement plugin ids, and adds focused tests for partial-failure behavior.

Reproducibility: yes. source-reproducible: register one resolving and one rejecting corpus supplement, then call memory_search with corpus=all; current main's Promise.all fanout rejects before sibling results are flattened. I did not run the scenario because this review was read-only.

Real behavior proof
Needs real behavior proof before merge: The PR body includes a targeted unit-test run, but no after-fix real setup proof showing memory_search preserving sibling supplement results with one rejecting supplement.

Next step before merge
Manual PR handling is needed because the contributor must add after-fix real behavior proof; automation cannot supply proof from their setup.

Security
Cleared: The diff only changes memory-core control flow and tests; it does not touch dependencies, CI, package metadata, secrets, or code-download paths.

Review findings

  • [P3] Add the required changelog entry — extensions/memory-core/src/tools.shared.ts:165
Review details

Best possible solution:

Land the narrow allSettled fix in memory-core with regression coverage, a CHANGELOG.md entry, and real behavior proof showing memory_search corpus=all preserves other supplement results when one plugin rejects.

Do we have a high-confidence way to reproduce the issue?

Yes, source-reproducible: register one resolving and one rejecting corpus supplement, then call memory_search with corpus=all; current main's Promise.all fanout rejects before sibling results are flattened. I did not run the scenario because this review was read-only.

Is this the best way to solve the issue?

Yes for the code direction: Promise.allSettled in the memory-core owner module is the narrow maintainable fix and preserves the existing SDK contract. The PR is not merge-ready until it has real behavior proof and the required changelog entry.

Full review comments:

  • [P3] Add the required changelog entry — extensions/memory-core/src/tools.shared.ts:165
    This changes user-facing memory_search degradation behavior, but the PR does not update CHANGELOG.md. Repo policy requires user-facing fixes to be listed under Unreleased before merge.
    Confidence: 0.9

Overall correctness: patch is correct
Overall confidence: 0.82

Acceptance criteria:

  • Contributor proof: run a real memory_search corpus=all setup with one resolving and one rejecting corpus supplement, and capture surviving results plus the warning log.
  • pnpm test extensions/memory-core/src/tools.shared.test.ts
  • Before merge, run the changed gate in Testbox for the extension/test changes.

What I checked:

  • Current main fail-fast path: searchMemoryCorpusSupplements currently collects all registered supplement searches through Promise.all, so one rejection rejects the whole supplement fanout before fulfilled sibling results are flattened. (extensions/memory-core/src/tools.shared.ts:165, e28ad6a8697b)
  • User-visible tool impact: memory_search calls searchMemoryCorpusSupplements for corpus=wiki/all; thrown supplement errors fall into the tool catch path and return an unavailable/empty-style result instead of preserving sibling supplement hits. (extensions/memory-core/src/tools.ts:359, e28ad6a8697b)
  • Plugin contract supports additive supplements: The SDK docs describe registerMemoryCorpusSupplement(adapter) as an additive memory search/read corpus, and memory-wiki docs say shared memory_search/memory_get can reach the wiki through a non-exclusive supplement. Public docs: docs/plugins/sdk-overview.md. (docs/plugins/sdk-overview.md:124, e28ad6a8697b)
  • PR diff addresses the failing fanout contract: The supplied PR patch replaces Promise.all with Promise.allSettled, appends only fulfilled values, warns with the registering plugin id on rejection, and adds tests for empty registry, partial rejection, all rejection, ordering, maxResults, corpus short-circuiting, and non-Error rejection reasons. (extensions/memory-core/src/tools.shared.ts:165, d42089c8103b)
  • Changelog entry missing: A targeted search found no CHANGELOG.md entry for this user-facing memory_search fix or the related issue number. (CHANGELOG.md:5, e28ad6a8697b)
  • Feature history: Blame and git show indicate the current shared memory supplement helper and registry-facing memory paths were introduced in commit 61383af. (extensions/memory-core/src/tools.shared.ts:152, 61383aff4b8d)

Likely related people:

  • @vincentkoc: git blame and git show point the current searchMemoryCorpusSupplements helper, memory tool split, and supplement registry path to commit 61383af by Vincent Koc. (role: introduced behavior / recent maintainer; confidence: high; commits: 61383aff4b8d; files: extensions/memory-core/src/tools.shared.ts, extensions/memory-core/src/tools.ts, src/plugins/memory-state.ts)

Remaining risk / open question:

  • The PR body only shows unit-test output, not an after-fix real memory_search or plugin-runtime run showing surviving sibling supplement results.
  • The user-facing memory_search behavior change is missing the required CHANGELOG.md entry.

Codex review notes: model gpt-5.5, reasoning high; reviewed against e28ad6a8697b.

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[Bug]: searchMemoryCorpusSupplements uses Promise.all causing single supplement failure to discard all results

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