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fix(vision): let an explicit custom row outrank the provider vision hints - #5163

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robin-bially:codex/vision-custom-row-precedence
Sep 20, 2026
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lidge-jun merged 4 commits into
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robin-bially:codex/vision-custom-row-precedence

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@robin-bially robin-bially commented Sep 19, 2026 •

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Summary

A model added as a manual custom row with inputModalities: ["text", "image"] still had every attachment replaced by the vision-sidecar omission marker [image omitted: this model is text-only and the vision sidecar is unavailable (no ChatGPT login)].

The two halves of one config disagreed. src/codex/catalog/routed-gather.ts already copies customModels[].inputModalities onto the advertised row, which is why the dashboard showed "text, image". The request path consulted only providers[].noVisionModels and modelInputModalities, concluded text-only, and called stripImagesInPlace before dispatch. Nothing on the image path ever read config.customModels; grep over src/vision/, src/routing/ and src/server/responses/ found no access at all.

Reproduced against a real config: with the provider row naming the model text-only and a custom row declaring ["text", "image"], requiresVisionPreprocessing returned true and modelAcceptsImageInput returned false. Removing the provider-level statements in memory — leaving the custom row as the only evidence — changed nothing, so the override was not merely outranked; it was never consulted.

The capability predicates in src/vision/eligibility.ts and src/vision/plan.ts now read the custom row for the exact provider/modelId identity through the new customRowInputModalities. Precedence is:

  1. modelCapabilities.<id>.inputModalities — the dedicated per-model capability axis, including the write made by ocx provider edit <provider> --model <id> --text-only
  2. an explicit custom row for the same routed identity
  3. noVisionModels
  4. modelInputModalities
  5. registry/vendor metadata

A custom row that declares no modalities stays silent rather than becoming a text-only claim, and the provider-only fallback used by legacy unit callers is unchanged. The sidecar picker and the web-search verbalizer read the same predicate, so they follow.

Maintainer review found the custom-row branch applying a narrower test than the modelCapabilities branch above it, and the routed describer ANDing a provider-only check on top of modelAcceptsImageInput. Both now answer "can this model see the image" with one rule: image is absent from the declaration. The note about which helper the catalog overlay uses was corrected as well.

Verification

  • bun test tests/vision/vision-custom-row-precedence.test.ts — 12 pass. The two cases added for the maintainer review (the audio-only declaration and the routed describer) fail when both source files are reverted to the previous commit, so they are not vacuously green.
  • bun run typecheck, bun run structure:check, bun run privacy:scan — all green.
  • bun run test --parallel=2 — 27203 pass, 35 skip, 10 fail. All ten reproduce on an unmodified origin/dev checkout at dbaad90ab: the file-size ratchet reports two dev-side offenders (src/codex/history-provider.ts oversized, tests/server/server-combo-failover-e2e.test.ts grown), three Reserve actual catalog finalization lifecycle cases, WP13 composed toggle acceptance, resolveCodexRuntime, the connected-client runtime probe, the two remote workspace Linux command sandbox bubblewrap cases, and the version-manager shim destruction (#2412) 5 s timeout. The run needs --parallel=2 on this machine: the default 4x phase made Bun itself panic with a SIGSEGV in tests/routing/probe-lease.test.ts (1.6 GB RSS per worker, "This indicates a bug in Bun"); that file passes in isolation here and on dev, and it imports nothing from the changed area. Rebased onto origin/dev at 920d8d7b2 after the branch moved past the gate's ten-commit tolerance; the rebase is patch-identical (git patch-id equal for every commit).
  • bun test tests/vision — 210 pass; the two failures in that directory (sidecar-settings-vision-filter test 10, vision-reasoning-contract native rows) reproduce identically on unmodified dev.
  • End-to-end against a live config: requiresVisionPreprocessing flipped from true to false and modelAcceptsImageInput from false to true for a model whose provider row says text-only and whose custom row says ["text", "image"].

Docs: structure/config.md states the precedence, structure/runtime.md lists the evidence order, and docs-site/src/content/docs/reference/configuration/providers.md documents the custom-row override under the per-model capability section — including the image-absent rule, which a second maintainer review found missing from the public page while structure/config.md already carried it.

Checklist

  • Scope stays focused and avoids unrelated cleanup.
  • Docs or release notes were updated when needed.
  • Security-sensitive changes were reviewed for secrets, auth, and unsafe defaults.

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Summary by CodeRabbit

  • New Features

    • Custom model input-modality settings now take precedence over provider-level vision hints for the matching provider and model.
    • Image-capable models receive images directly, while models without image support use vision preprocessing.
    • Blank or unspecified custom modalities inherit provider capabilities.
    • Audio- or video-only declarations are treated as unable to accept images.
    • Dedicated model capability settings remain highest priority, with matching limited to the exact provider and model.
  • Documentation

    • Updated configuration and runtime guidance to explain capability precedence and fallback behavior.

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📝 Walkthrough

Walkthrough

Changes

Vision capability precedence

Layer / File(s) Summary
Eligibility predicate support
src/vision/eligibility.ts
Vision capability configuration accepts optional customModels. Matching custom rows with non-empty inputModalities affect sidecar-consumer checks, image-input checks, eligibility, and model options. modelCapabilities remains higher priority.
Preprocessing precedence
src/vision/plan.ts, src/vision/eligibility.ts
requiresVisionPreprocessing checks modelCapabilities, then matching custom-row modalities, before existing provider and text-only checks. Routed model selection uses the shared image-input predicate.
Validation and documented contract
tests/vision/vision-custom-row-precedence.test.ts, tests/fixtures/test-layout-expected.json, scripts/test-layout/layout.json, docs-site/src/content/docs/reference/configuration/providers.md, structure/config.md, structure/runtime.md
Tests cover precedence, missing declarations, identity mismatches, native candidates, audio-only rows, and provider-only fallback. Documentation describes the capability order, and test-layout metadata registers the new test.

Priority: ⬇️ Low

Estimated code review effort: 3 (Moderate) | ~20 minutes

Change: Bug fix

Sequence Diagram(s)

sequenceDiagram
  participant VisionPlan
  participant Eligibility
  participant CustomModels
  VisionPlan->>Eligibility: evaluate modelCapabilities
  Eligibility->>CustomModels: match provider/model custom row
  CustomModels-->>Eligibility: modalities or undefined
  Eligibility-->>VisionPlan: image-input capability result
  VisionPlan-->>VisionPlan: select preprocessing or routed vision path
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Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title clearly and concisely describes the primary change: explicit custom-row vision modalities now take precedence over provider-level vision hints.
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Docstring coverage is 64.29% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 14 functions across 3 files. (1 skipped: 1 unsupported.)

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@github-actions github-actions Bot added the bug Something isn't working label Sep 19, 2026
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✅ Deterministic PR hygiene checks passed.

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Maintainers: @lidge-jun @Ingwannu

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Actionable comments posted: 1


  • 🪄 Fix CodeRabbit comments on this PR
🤖 Prompt to fix review comments
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Inline comments:
In `@src/vision/eligibility.ts`:
- Around line 208-259: Update isVisionSidecarConsumerWithCache and
modelAcceptsImageInputWithCache to apply capability sources in this order:
modelCapabilities, matching custom row, noVisionModels, modelInputModalities,
then provider or registry metadata. Ensure native-model handling does not call
isModelVisionSidecarConsumer before checking the higher-priority
modelCapabilities and custom-row declarations, and preserve existing fallback
behavior after all explicit sources are exhausted.

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📒 Files selected for processing (8)
  • docs-site/src/content/docs/reference/configuration/providers.md
  • scripts/test-layout/layout.json
  • src/vision/eligibility.ts
  • src/vision/plan.ts
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  • structure/runtime.md
  • tests/fixtures/test-layout-expected.json
  • tests/vision/vision-custom-row-precedence.test.ts

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Comment thread src/vision/eligibility.ts
@robin-bially

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@coderabbitai review

The auto-review was skipped because the gate auto-drafted the PR, and the pushed commits contain the fix for your finding. One review of the current head, please.

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@RobinBially I will review the current head of #5163.

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@lidge-jun
lidge-jun force-pushed the codex/vision-custom-row-precedence branch from d71a86c to fcbdbdd Compare September 19, 2026 12:32
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robin-bially force-pushed the codex/vision-custom-row-precedence branch from fcbdbdd to 03d0b23 Compare September 19, 2026 13:43
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리뷰 · 우선순위 48 / 80

화면과 실제 요청이 같은 모델을 다르게 보고 있었습니다. 대시보드의 커스텀 모델 줄에는 입력으로 글과 그림을 켜 두었는데, 요청을 보낼 때는 그 줄을 아예 안 봤습니다. 공급자 설정에 "이 모델은 글만 받는다"고 적혀 있으면 그림을 설명으로 바꾸거나, 로그인된 비전 도우미가 없으면 [image omitted: ...] 같은 빠짐 표시로 지웠습니다. 화면은 그림을 받는다고 하고, 서버는 그림을 버렸습니다.

이번 수정은 그 순서를 한곳으로 모읍니다. 모델마다 적어 둔 modelCapabilities가 제일 셉니다. 그다음이 같은 공급자 이름, 같은 모델 이름의 커스텀 줄입니다. 그다음이 공급자의 noVisionModels와 modelInputModalities이고, 마지막이 레지스트리 정보입니다. 칸을 비운 커스텀 줄은 "글만"이라고 주장하지 않고 조용히 넘어갑니다. 테스트 10개가 이 순서를 고정합니다. 베이스는 dev입니다.

src/vision/plan.ts:129 - 커스텀 줄이 그림을 빼는 기준이, 바로 위 121행의 modelCapabilities와 다릅니다. 위는 목록에 image가 없으면 그림을 뺍니다. 커스텀 줄은 text가 있고 image가 없을 때만 뺍니다. 커스텀 줄이 audio나 video만 적혀 있으면 modelAcceptsImageInput(src/vision/eligibility.ts:83)은 "그림 못 받음"인데, requiresVisionPreprocessing은 "그림 그대로 보내"가 됩니다. 못 보는 모델로 그림이 나갑니다. 테스트는 text와 text, image만 있어서 이 갈림은 안 잡힙니다.

src/vision/plan.ts:149 - 라우팅된 비전 도우미가 쓸 모델을 고를 때, 새 판정인 modelAcceptsImageInput을 통과해도 옛 판정 isModelTextOnly가 한 번 더 막습니다. 옛 판정은 커스텀 줄을 안 봅니다. 공급자 목록이 글만이라고 하면, 커스텀 줄이 그림을 켜도 그 모델은 설명 모델로 쓰이지 못하고 OpenAI 쪽으로 떨어집니다. 고르는 목록과 실제로 쓰는 문이 다릅니다.

structure/config.md:448 - 카탈로그도 customRowInputModalities를 본다고 적혀 있습니다. 이번 변경은 src/codex/catalog/routed-gather.ts를 안 고칩니다. 카탈로그는 커스텀 줄의 칸을 그대로 복사하고, 도우미 때문에 그림 칸을 덧붙일 때는 예전 함수 isModelVisionSidecarConsumer만 봅니다. 이번 신고(커스텀은 그림, 공급자는 글만)는 그 복사가 이미 맞아서 화면과 요청이 같아집니다. 문서의 함수 이름만 사실과 어긋납니다.

메인테이너의 판단이 필요한 지점

#5164는 같은 모델(zen-go의 deepseek-v4.1-flash)을 레지스트리에서 그림을 받는 쪽으로 바꿉니다. 그쪽이 들어가면 이번 신고의 그 모델은 커스텀 줄 없이도 그림이 갑니다. 이 PR은 다른 공급자에서 커스텀 줄과 공급자 힌트가 다를 때를 위한 일반 규칙이라, 둘을 같은 수정으로 닫으면 안 됩니다. 오디오만 있는 커스텀 줄에 그림을 그대로 보낼지, 설명으로 바꿀지는 코드에 아직 한 가지로 안 적혀 있습니다.

너의 추천

신고된 경우는 고쳐져 있습니다. 머지 전에 커스텀 줄도 121행처럼, 목록에 image가 없으면 그림을 빼게 맞추는 편이 낫습니다. 오디오만 있는 모델은 일부러 그대로 둘 거면 그 예외를 문서와 테스트에 한 줄로 남기면 됩니다. usableRoutedVisionModel의 두 번째 isModelTextOnly 검사는 빼도 됩니다. 앞의 modelAcceptsImageInput이 이미 커스텀 줄을 봅니다. #5164와 같이 둬도 됩니다.

이 댓글은 grok-bot이 작성했습니다

robin-bially added a commit to robin-bially/opencodex that referenced this pull request Sep 19, 2026
Maintainer review on lidge-jun#5163 found the custom-row branch applying a narrower test than
the `modelCapabilities` branch above it. `requiresVisionPreprocessing` asked for
`includes("text") && !includes("image")` while `modelAcceptsImageInput` answers "no
image" for the same declaration, so a row declaring only `audio` or `video` was
image-incapable to one and an image target to the other. Both now use the same rule:
image is absent from the list.

`usableRoutedVisionModel` also ANDed a provider-only `isModelTextOnly` on top of
`modelAcceptsImageInput`. That second predicate never reads a custom row, so a
describer the operator had declared image-capable was refused for the provider hint
that same row overrides; the check could only subtract and is now gone.

`structure/config.md` said the catalog overlay reads the field through
`customRowInputModalities`; it copies `customModels[].inputModalities` directly. Only
the request-path predicates go through the helper, and the note now says so.

Three tests come with it: the audio-only row, the routed describer a custom row
unlocks, and the existing ones stay. The first two fail with the source fix stashed.
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All three points verified against the current code and addressed in 00ccc8d.

src/vision/plan.ts:129 — declaration rule. The custom-row branch now applies the same rule as modelCapabilities on line 121: image is absent from the list. An audio- or video-only row is image-incapable in both requiresVisionPreprocessing and modelAcceptsImageInput instead of being a text model to one and an image target to the other. New test an audio-only custom row is image-incapable in both predicates; it fails with the source fix stashed.

src/vision/plan.ts:149 — routed describer. The ANDed provider-only isModelTextOnly is gone. modelAcceptsImageInput resolves the whole chain including the custom row, so the second check could only subtract; it refused a describer the operator had declared image-capable for the very hint the row overrides. New test a custom row lets a provider-declared text-only model serve as the routed describer — the routed plan is present with the row and absent without it.

structure/config.md:448 — function name. The sentence no longer claims routed-gather.ts reads through customRowInputModalities. It now says the catalog overlay copies customModels[].inputModalities directly, that only the two request-path predicates go through the helper, and a following paragraph states the single rule both predicates apply.

Kept separate from #5164 as recommended: that PR changes the registry classification for one id, this one is the general precedence rule. The audio case is no longer an undocumented exception — it is pinned in code and in the config note.

bun run test: 27048 pass, 34 skip, 5 fail — four are the known environment failures and the fifth is a macOS timeout that reproduces on an unmodified dev checkout at 49c79f366.

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추가 리뷰 · 우선순위 22 / 80

지난 리뷰의 세 지점이 커밋 00ccc8d에서 닫혔습니다. 커스텀 줄도 위쪽 modelCapabilities와 같은 규칙을 씁니다. 목록에 image가 없으면 그림을 설명으로 바꿉니다. audio만 적힌 줄은 requiresVisionPreprocessing과 modelAcceptsImageInput이 둘 다 "그림 못 봄"입니다. 라우팅된 설명 모델을 고를 때 붙던 isModelTextOnly 검사는 빠졌습니다. 커스텀 줄이 그림을 켜 두면 그 모델이 설명 쪽으로 남습니다. structure/config.md는 카탈로그가 칸을 그대로 복사한다고 맞게 고쳤고, 오디오 규칙도 그 문서에 한 단락으로 남았습니다. 새 테스트 두 개는 이 갈림을 고정합니다.

docs-site/src/content/docs/reference/configuration/providers.md:1134 - 공개 문서는 아직 "글만 적으면 설명으로 보낸다"만 말합니다. 코드는 audio나 video만 있어도 그림을 뺍니다. structure/config.md에는 그 문장이 있는데 공개 문서에는 없습니다.

메인테이너의 판단이 필요한 지점

#5164는 아직 열려 있습니다. 같은 모델 하나를 레지스트리에서 그림 모델로 바꿉니다. 이 PR과 따로 두는 쪽이 맞습니다.

너의 추천

코드는 머지해도 됩니다. 공개 문서에 "목록에 image가 없으면 그림을 뺀다"는 한 줄을 보태면 두 문서가 같아집니다. 없어도 요청 경로는 이미 맞습니다.

이 댓글은 grok-bot이 작성했습니다

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@robin-bially

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Re: additional review (priority 22/80) — addressed in e3af7fd10.

The gap you named was real: structure/config.md already carried the image-absent rule, the public page did not. docs-site/src/content/docs/reference/configuration/providers.md now ends the custom-row paragraph with the same sentence — one rule for every consumer, so a row declaring only audio or video counts as image-incapable instead of being a text model to one predicate and an image target to the other. No locale copy of that paragraph exists in the translated trees, so nothing else needed the same edit.

Keeping #5163 and #5164 separate is the intent: one PR is the capability precedence on the request path, the other is the registry classification and its saved-config repair. Nothing here depends on the other landing first.

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@lidge-jun

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추가 리뷰 · 우선순위 8 / 80

지난 리뷰에서 남은 일은 공개 문서 한 줄이었습니다. 커밋 e3af7fd가 그 줄을 넣었습니다.

docs-site/src/content/docs/reference/configuration/providers.md는 이제 이렇게 말합니다. 목록에 image가 없으면 그 모델은 그림을 못 받습니다. audio만 적혀 있거나 video만 적혀 있어도 같습니다. 내부 문서 structure/config.md에는 이미 같은 문장이 있었습니다. 두 문서의 말이 맞습니다. 이번 커밋은 코드를 안 건드리고 문서에 4줄만 더했습니다.

남은 문제 없음.

메인테이너의 판단이 필요한 지점

#5164는 아직 열려 있습니다. 모델 하나를 레지스트리에서 그림 모델로 바꿉니다. 이 PR과는 따로 두는 편이 맞습니다. 일본어, 중국어, 러시아어, 한국어 providers.md에는 이 단락 자체가 없습니다. 이번 커밋이 만든 구멍은 아닙니다.

너의 추천

머지해도 됩니다. 요청을 보낼 때 쓰는 규칙과 두 문서가 같습니다.

이 댓글은 grok-bot이 작성했습니다

…ints

A model added as a manual custom row with inputModalities ["text", "image"] still
had every attachment replaced by the omission marker. The catalog half was
already right: src/codex/catalog/routed-gather.ts copies the custom row's
modalities onto the advertised row, which is why the dashboard showed "text,
image". The request path consulted only providers[].noVisionModels and
modelInputModalities, concluded text-only, and stripped the image before
dispatch. One config, two answers.

The capability predicates in src/vision/eligibility.ts and
src/vision/plan.ts now read the custom row for the exact provider/model
identity through customRowInputModalities. Precedence is modelCapabilities (the
dedicated per-model capability axis, including the ocx provider edit
--text-only write), then the custom row, then noVisionModels, then
modelInputModalities, then registry/vendor metadata. A custom row that declares
no modalities stays silent instead of becoming a text-only claim, and the
provider-only fallback used by legacy unit callers is unchanged.

The new test file pins the request-path seam and the shared predicate, which is
what the sidecar picker and the web-search verbalizer read. Three of its cases
fail without the fix.
CodeRabbit found the order violated in two places. \`isVisionSidecarConsumerWithCache\`
read the custom row before \`modelCapabilities\`, and the native arm of
\`modelAcceptsImageInputWithCache\` ran the sidecar-consumer check before the custom
row, so a \`noVisionModels\` listing the catalog had already overridden still
forced text-only on the request path.

Both predicates now resolve sources highest-first: \`modelCapabilities\`, the
explicit custom row, \`noVisionModels\`, \`modelInputModalities\`, then
registry/vendor metadata. Two tests pin the order at the shared predicate, and
both fail without this change.
Maintainer review on lidge-jun#5163 found the custom-row branch applying a narrower test than
the `modelCapabilities` branch above it. `requiresVisionPreprocessing` asked for
`includes("text") && !includes("image")` while `modelAcceptsImageInput` answers "no
image" for the same declaration, so a row declaring only `audio` or `video` was
image-incapable to one and an image target to the other. Both now use the same rule:
image is absent from the list.

`usableRoutedVisionModel` also ANDed a provider-only `isModelTextOnly` on top of
`modelAcceptsImageInput`. That second predicate never reads a custom row, so a
describer the operator had declared image-capable was refused for the provider hint
that same row overrides; the check could only subtract and is now gone.

`structure/config.md` said the catalog overlay reads the field through
`customRowInputModalities`; it copies `customModels[].inputModalities` directly. Only
the request-path predicates go through the helper, and the note now says so.

Three tests come with it: the audio-only row, the routed describer a custom row
unlocks, and the existing ones stay. The first two fail with the source fix stashed.
The maintainer review noted the public page still described only the text-only case, while
structure/config.md already records that a row declaring only audio or video is
image-incapable in both predicates. The public page now carries the same sentence, so the
two documents agree.
@robin-bially
robin-bially force-pushed the codex/vision-custom-row-precedence branch from e3af7fd to 296dfe3 Compare September 19, 2026 17:42
@github-actions
github-actions Bot marked this pull request as draft September 19, 2026 17:43
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추가 리뷰 · 우선순위 4 / 80

이번 푸시는 그림 판정을 다시 고친 것이 아닙니다. dev가 앞으로 가서, 이 브랜치를 그 위에 다시 올렸습니다. 지난 리뷰가 본 끝 e3af7fd와 지금 끝 296dfe3를 파일로 비교했습니다.

요청 경로의 코드는 한 글자도 안 바뀌었습니다. src/vision/eligibility.ts, src/vision/plan.ts, tests/vision/vision-custom-row-precedence.test.ts가 같습니다. 공개 문서와 structure/config.md의 문장도 같습니다. 목록에 image가 없으면 그 모델은 그림을 못 받습니다. audio만 있거나 video만 있어도 같습니다.

문서 파일의 다른 줄이 달라 보이는 이유는 이 PR이 아닙니다. 그 사이 dev에 들어온 다른 수정이 같은 파일에 줄을 넣었습니다. 카탈로그는 여전히 커스텀 줄의 칸을 그대로 복사합니다. 화면과 요청이 다시 어긋나지는 않습니다.

남은 문제 없음.

메인테이너의 판단이 필요한 지점

#5164는 아직 열려 있습니다. 모델 하나를 레지스트리에서 그림 모델로 바꿉니다. 이 PR과는 따로 두는 편이 맞습니다.

너의 추천

머지해도 됩니다. 요청을 보낼 때 쓰는 규칙은 지난 리뷰 때와 같습니다.

이 댓글은 grok-bot이 작성했습니다

@github-actions
github-actions Bot marked this pull request as ready for review September 19, 2026 18:43
@lidge-jun
lidge-jun merged commit c9793b0 into lidge-jun:dev Sep 20, 2026
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