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A case-varied operator key in modelReasoningEffortMap claimed nothing: nestedMapFill kept the registry-spelled row beside it, and the case-folded runtime lookup hit the registry row first. The outer key now claims case-insensitively while the claimed row's inner entries still fill underneath the operator's inner map.
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Included review availability: Your plan provides up to 10 included reviews per hour; 8 remain after this review. 📝 WalkthroughWalkthroughProvider enrichment and policy merging now match model keys case-insensitively. Case-varied operator entries claim registry rows. Tests cover enrichment, routing, destination fallback, nested maps, folded lookup, and operator provenance. ChangesProvider override claims
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~20 minutes Change: Bug fix · Severity of issue fixed: Medium Merge Risk: ⚪ Minimal · up to Case-varied provider overrides now preserve operator values and provenance across enrichment and policy lookup, with no actionable merge-blocking risk remaining. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
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Inline comments:
In `@src/providers/resolved-model-policy-merge.ts`:
- Line 37: Update legacyModelSource to derive provenance from the same
case-insensitive merged map used by mapFill, rather than checking the exact
registry key first. Ensure case-varied registry and operator keys report the
operator provenance, and add a regression assertion covering the Claude-Opus
lookup scenario.
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src/providers/derive.tssrc/providers/resolved-model-policy-merge.tsstructure/catalog.mdstructure/config.mdtests/providers/provider-registry-parity.test.tstests/providers/resolved-model-policy.test.ts
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리뷰 · 우선순위 46 / 80이 PR은 모델 이름을 대소문자만 다르게 적었을 때, 운영자가 넣은 추론 강도 설정이 레지스트리 기본값에 가려지던 문제를 고칩니다. 조회는 대소문자를 접어서 찾습니다. 합치는 쪽은 예전에는 두 키를 둘 다 남겼습니다.
라인 라인 메인테이너의 판단이 필요한 지점 출처가 너의 추천
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abhisheksharma2411
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The diagnosis holds up exactly as written, and the root cause is worth spelling out because it's subtler than "case sensitivity":
// legacyModelValue
const folded = modelId.toLowerCase();
return Object.entries(record).find(([key]) => key.toLowerCase() === folded)?.[1];The folded lookup returns the first entry in insertion order, and { ...registry, ...operator } puts registry keys first. So with claude-opus-5 from the registry and Claude-Opus-5 from the operator, both keys survive the merge and the registry row wins the scan — the operator's override is present in the map and unreachable. Claiming the row instead of shadowing it is the right fix, and doing it in mapFill/nestedMapFill rather than at the lookup keeps the two planes consistent. bun test tests/providers/provider-registry-parity.test.ts tests/providers/resolved-model-policy.test.ts → 97 pass / 0 fail at 0fa7712, matching your table.
The nestedMapFill handling is the part I'd expected to get wrong and it doesn't: staging the claimed registry row in claimedInner keyed by the folded name, then seeding the operator's entry from it, means the registry's inner entries still fill underneath while the outer key becomes the operator's. The claimedInner[folded] = { ...(claimedInner[folded] ?? {}), ...value } accumulate also does the right thing when the registry itself holds two case-variants of one model.
Two things worth considering, neither a blocker.
1. The same class of bug is still live one file over, on the operator's raw config.
src/codex/catalog/routed-gather.ts:816-817:
const userContext = configured.modelContextWindows?.[id] ?? configured.contextWindow;
const userMaxInput = configured.modelMaxInputTokens?.[id];Those index the operator's own per-model maps by exact key, bypassing modelRecordValue (src/reasoning-effort.ts:124), which exists precisely to fold case. So the operator who writes Claude-Opus-5 gets their reasoning effort honored after this PR, and their context-window and max-input-token overrides still silently ignored in the routed catalog. Same symptom, same user, adjacent site. I don't think it belongs in this PR — but it does mean "case-varied operator keys work now" won't be true from the operator's point of view, so it's worth either a follow-up issue or a line in the structure docs saying which maps fold and which don't.
2. mapFill still leaves operator-vs-operator duplicates shadowing each other.
claimed is built from the operator's keys, so registry rows get claimed correctly — but if the operator's own map contains both Claude-Opus-5 and claude-opus-5, both survive into merged and legacyModelValue again returns whichever landed first. That's misconfiguration rather than a product defect, and I'd argue against silently picking a winner. But since the merge is now the place that understands case folding, it's the natural place to notice: a one-line warn when the operator's map has two keys that fold together would turn a silently-ignored config line into a fixable one. Your call whether that's in scope.
On the docs: structure/catalog.md now says explicit user entries win "matched case-insensitively", which is accurate for what this changes. Given (1), I'd consider naming the maps that fold rather than leaving it general — otherwise the sentence reads as a property of operator overrides as a whole, and modelContextWindows doesn't have it.
Good fix, and the comment updates pointing mergeRecordFill in src/router.ts → mapFill in src/providers/resolved-model-policy-merge.ts are a nice bonus; those stale pointers would have cost the next reader real time.
Per review on lidge-jun#5466: provenance answered 'registry' when the winning key was registry-spelled but case-equal to an operator key, even though mapFill semantics mean the operator value won. legacyModelSource now claims case-equal registry keys into the operator row before the walk, matching the merged map the value lookup sees. Adds a provenance regression test for model id claude-opus-5 with operator key Claude-Opus-5.
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- 🪄 Fix CodeRabbit comments on this PR
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Inline comments:
In `@tests/providers/resolved-model-policy.test.ts`:
- Line 827: Update the resolveModelPolicy test invocation to pass the registry
fixture through the registryEntry input key instead of entry when
transportMatchedRegistry is true, so the registry context is used and the
case-folded operator-over-registry resolution is exercised.
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abhisheksharma2411
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The legacyModelSource change is correct and it's a good catch — provenance answering from a different map than the value lookup is its own bug, and I'd missed it. Verified the behaviour directly at 84e64177:
legacyModelSource({"Claude-Opus-5": …}, {"claude-opus-5": …}, "claude-opus-5")
with the fold -> "operator"
fold reverted -> "registry"
So the function genuinely changes, and mirroring mapFill's claiming loop is the right shape.
But the regression test added for it does not pin it. I reverted the fold in legacyModelSource and ran:
bun test --isolate tests/providers/resolved-model-policy.test.ts \
-t "case-varied operator key reports operator provenance"
→ 1 pass / 0 fail
and the whole file: 38 pass / 0 fail with the fix reverted, same as with it. The direct probe above fails under that exact mutation, so the mutation is in effect — the test simply doesn't reach the changed line. It passes for some other reason and would keep passing if this regressed.
I couldn't pin down why from reading: provenance.model.contextWindow is set by modelOrProviderSource (resolved-model-policy.ts:353), which calls modelSource → legacyModelSource and returns exact whenever it isn't "unknown", so on the face of it the reverted path should surface "registry" and fail the assertion. Something between the fixture and that call is absorbing it. Worth finding, because whatever it is also means the contextWindow provenance path is not exercised by this test the way it looks like it is.
Cheapest fix is probably to assert the unit directly, alongside the integration one:
expect(legacyModelSource({ "Claude-Opus-5": 150_000 }, { "claude-opus-5": 200_000 }, "claude-opus-5"))
.toBe("operator");That fails on the pre-fix code, which is the property you want recorded.
On my earlier points, for the record — you noted positiveCapMap as out of scope, which is fine, but that wasn't the one I raised. Mine was routed-gather.ts:816-817, still unchanged here:
const userContext = configured.modelContextWindows?.[id] ?? configured.contextWindow;
const userMaxInput = configured.modelMaxInputTokens?.[id];Exact-key reads of the operator's own config, bypassing modelRecordValue. So after this PR the same operator gets their reasoning effort honored and their context-window override still silently ignored in the routed catalog. I said then it doesn't belong in this PR and I still think that — just flagging that it's a different item from the one you closed out, so it doesn't get lost.
bun test --isolate tests/providers/resolved-model-policy.test.ts tests/providers/provider-registry-parity.test.ts → 98 pass / 0 fail, matching your number.
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Consolidated into #5529 in native Stack #5505. Source head: Source commits match by stable Git patch ID. Follow-up d11f35f fixes case-folded cap handling and moves the unchanged exclusion regression into a registered sibling file. Focused combined-head tests: 44 passed; prepared catalog tests: 515 passed. Full CI, docs build and independent review remain pending. Closing this duplicate standalone review entry at the author's request after verifying migration. This is not a merge or release claim; remaining integration checks and reviews are tracked on the draft replacement. Original branches are retained. |
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Motivation
Claude-Opus-5vsclaude-opus-5) was shadowed by the registry row: per-model lookups fold case, but the merge kept both keys so the earlier registry entry won.Description
mapFill: a case-varied operator key now claims the registry row instead of leaving a shadowing duplicate.nestedMapFill: the outer model key folds case the same way while the claimed row's inner entries still fill underneath the operator's inner map.structure/catalog.mdandstructure/config.mddocument the case-folded claim.Testing
bun test tests/providers/provider-registry-parity.test.ts tests/providers/resolved-model-policy.test.ts: 97 tests pass.Summary by CodeRabbit
Bug Fixes
Documentation
Tests