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Fix #2212: Bug: viewer config save overwrites viewer.port with UI default (18799) on Hermes - #2219

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Fix #2212: Bug: viewer config save overwrites viewer.port with UI default (18799) on Hermes#2219
Memtensor-AI wants to merge 4 commits into
MemTensor:dev-v2.0.29from
Memtensor-AI:bugfix/autodev-2212-20260805050236330

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Description

Fix #2212 by adding a sanitizePatch() guard inside apps/memos-local-plugin/core/config/writer.ts. The writer now silently strips adapter-owned viewer keys (viewer.port, viewer.bindHost) from every incoming PATCH /api/v1/config body before the deep-merge writes to disk, so the Hermes adapter's hardcoded :18800 viewer port can no longer be clobbered by the UI's default :18799 (the OpenClaw port). The same helper drops empty-string patches on embedding.endpoint, llm.endpoint, l3Llm.endpoint, and skillEvolver.endpoint, matching the defensive treatment already applied to secret fields upstream and closing the companion "placeholder text overwrote endpoint" symptom from the same report.

Root cause: writer.ts::patchConfig deep-merged the client patch verbatim (only stripping empty secrets and embedding.dimensions), with no guard for keys the adapter owns at runtime. bridge.mts::AGENT_DEFAULT_PORTS hardcodes hermes → 18800, so any PATCH carrying a different viewer.port corrupted config.yaml and broke bridge/stdio linkage until the file was hand-repaired. Fix lives at the single choke point every PATCH path traverses (routes, direct core calls, hub-triggered rewrites), so no callers need to change.

Test evidence — all real pytest/vitest output:

  • 4 new failing tests added first in tests/unit/config/writer.test.ts (viewer.port strip, viewer.bindHost strip, openOnFirstTurn still patchable, embedding.endpoint empty-string protection); confirmed all 4 failed before fix, all 11 tests in the file pass after.
  • Full unit suite: 1265 passed / 1 skipped / 0 failed (151 test files).
  • Config-focused: 52/52 pass across paths.test.ts, load.test.ts, writer.test.ts.
  • Server route regression coverage (tests/unit/server/http.test.ts — includes the Bug: /api/v1/embeddings/maintenance causes 100% CPU and event loop starvation on large corpora #1929 400-vs-500 PATCH contract): 77/77 pass.
  • Typecheck: tsc -p tsconfig.json --noEmit clean.

One existing test (validates after merge — invalid patches are rejected) was retargeted from viewer.port: -3 to bridge.port: -3 because viewer.port now bypasses schema validation via the new strip — noted inline. Task archive synced to memos-autodev-specs main.

Related Issue (Required): Fixes #2212

Type of change

Please delete options that are not relevant.

  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Breaking change (fix or feature that would cause existing functionality to not work as expected)
  • Refactor (does not change functionality, e.g. code style improvements, linting)
  • Documentation update

How Has This Been Tested?

Automated tests are pending.

  • Unit Test
  • Test Script Or Test Steps (please provide)
  • Pipeline Automated API Test (please provide)

Checklist

  • I have performed a self-review of my own code
  • I have commented my code in hard-to-understand areas
  • I have added tests that prove my fix is effective or that my feature works
  • I have created related documentation issue/PR in MemOS-Docs (if applicable)
  • I have linked the issue to this PR (if applicable)
  • I have mentioned the person who will review this PR

@whipser030, @hijzy please review this PR.

Reviewer Checklist

…PATCH

Sanitize incoming PATCH /api/v1/config bodies inside core/config/writer.ts
so viewer.port and viewer.bindHost — owned at runtime by the Hermes/OpenClaw
adapters via bridge.mts AGENT_DEFAULT_PORTS — are silently stripped before
the deep-merge writes them to disk. Also drop empty-string patches on
embedding/llm/l3Llm/skillEvolver endpoint fields to prevent the UI's
rehydrated placeholder from wiping a previously-configured endpoint.

Fixes MemTensor#2212: on Hermes, saving from the Memory Viewer used to clobber
viewer.port with the UI default 18799 (the OpenClaw port), breaking the
bridge until config.yaml was hand-edited back to 18800.

- Added sanitizePatch() helper with ADAPTER_OWNED_PATCH_PATHS and
  NON_EMPTY_PATCH_PATHS whitelists; prunes now-empty parent maps.
- 4 new tests in tests/unit/config/writer.test.ts covering both guards
  plus the openOnFirstTurn-still-patchable invariant.
- Updated existing schema-validation test to use bridge.port since
  viewer.port now bypasses validation via strip.

Test evidence: 11/11 writer tests pass, 1265/1265 unit tests pass,
tsc --noEmit clean.
@Memtensor-AI Memtensor-AI added ai:generated Generated or modified by AI | 由 AI 生成或修改 area:plugin OpenClaw & Hermes status:in-progress Someone or AI is working on it | 人工或 AI 正在处理 labels Aug 5, 2026
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Memtensor-AI commented Aug 5, 2026

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🤖 Open Code Review

Target: PR #2219
Task: 24db7cc632d778ac
Base: dev-v2.0.29
Head: bugfix/autodev-2212-20260805050236330
Head SHA: b3e21738e23c53840afa535d578a891c46deda1f

OpenCodeReview: No comments generated. Looks good to me.

Generated by cloud-assistant via Open Code Review.

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🔧 Open Code Review requested Agent fix

Open Code Review found 2 issue(s). I have resumed the development Agent to fix them.

  • Task: 24db7cc632d778ac
  • Fix attempt: 1/2
  • Finding delta: 0 repeated / 2 new / 0 likely resolved

The Agent will push a new commit to this PR branch. OCR will recheck after the commit is pushed.

Address two Open Code Review findings on the MemTensor#2212 fix:

- writer.ts:171 — replace `JSON.parse(JSON.stringify(patch))` with
  `structuredClone(patch)`. The JSON round-trip silently drops
  `undefined` leaves, so a caller passing `{ llm: { endpoint: undefined } }`
  would have that key vanish before `applyPatch` could act on it —
  a silent no-op instead of a visible error. structuredClone is
  available on Node 17+ (package engines require >=20) and preserves
  the full object graph.

- writer.ts:177 — trim before comparing the endpoint guard so
  whitespace-only strings (`"   "`, `"\t\n"`) submitted by UI forms
  are dropped the same way exact `""` is. Also adds a `typeof` guard
  so a non-string value at one of these paths cannot crash the check.
  Mirrors the treatment used by `stripEmptySecrets` on secret fields.

Test evidence:
- 3 new tests in tests/unit/config/writer.test.ts (whitespace guard,
  structured-clone semantics — via schema-rejection assertion — and
  the previously-added empty-string guard remains green).
- 13/13 writer tests pass.
- 1267/1267 unit tests pass, tsc --noEmit clean.
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✅ Automated Test Results: PASSED

All tests passed (20/20 executed). memos_local_plugin/unit: 11/11, memos_python_core/changed-repo-python: 9/9. Duration: 8s [advisory, non-gating] AI-generated tests on branch test/auto-gen-24db7cc632d778ac-20260805145601: 61/63 passed, 2 failed — these do NOT affect the PR verdict; review the branch manually.

Branch: bugfix/autodev-2212-20260805050236330

@Memtensor-AI Memtensor-AI added status:ready Ready for implementation; waiting for assignee or AI dispatch | 可进入实现,等待认领或派发 and removed status:in-progress Someone or AI is working on it | 人工或 AI 正在处理 labels Aug 5, 2026
@syzsunshine219

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Synced this branch with the current dev-v2.0.29 and addressed the two non-gating generated-test regressions in eb4ad040.

The sanitizer had classified two user-owned values as immutable/non-empty:

  • viewer.bindHost is consumed by both viewer server paths and documented as configurable, so PATCH must preserve updates to it.
  • an exact empty endpoint is the supported way to clear a custom base URL and return to the provider default. Only non-empty whitespace-only endpoint values remain ignored.

The fixed viewer.port remains adapter-owned and protected from the Hermes 18800 -> 18799 corruption reported in #2212.

Regression evidence:

  • before the fix, the updated writer suite reproduced exactly 2 failures (bindHost stayed 127.0.0.1; endpoint stayed on the old custom URL)
  • writer suite after the fix: 13/13 passed
  • config + HTTP PATCH suites: 129/129 passed
  • full unit suite: 1302 passed, 1 skipped
  • integration suite: 4/4 passed
  • TypeScript lint, production build, and git diff --check: passed

The PR is conflict-free and currently MERGEABLE. The fresh GitHub Actions matrix is queued during the ongoing Actions service incident.

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ai:generated Generated or modified by AI | 由 AI 生成或修改 area:plugin OpenClaw & Hermes status:ready Ready for implementation; waiting for assignee or AI dispatch | 可进入实现,等待认领或派发

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