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fix(catalog): recognize YYMMDD/MMDD/YYMM dated model id suffixes (#3024) - #3034

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fix(catalog): recognize YYMMDD/MMDD/YYMM dated model id suffixes (#3024)#3034
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kaicot:fix/dated-variant-suffix-formats

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@kaicot kaicot commented Aug 31, 2026

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Fixes the safely-fixable half of #3024, in the scope you picked (widen the suffix format, keep the fold one-directional) with the YY = 2\d tightening from your review.

Summary

isDatedVariantId only accepted an 8-digit YYYYMMDD suffix, so the dated-alias fold in mergeConfiguredModelsIntoLiveCatalog never fired for providers that publish shorter release dates. Enumerating every numeric-suffixed id pair on a real multi-provider install, the \d{8} rule matched 0 of 26 — so DeepSeek, Kimi, Mistral, Qwen and Solar aliases all fell through to droppedConfiguredIds even when a live row for the same model was present.

This widens the suffix to the formats upstreams actually publish, behind a calendar guard:

Format Example Before After
YYYYMMDD claude-haiku-4-5-20251001 yes yes
YYMMDD solar-pro4-260806, syn-pro-251021 no yes
MMDD deepseek-v4-pro-0813, kimi-k2-0905, gpt-3.5-turbo-0613 no yes
YYMM mistral-large-2407, qwen3-235b-a22b-2507 no yes
YYYY-MM-DD gpt-4o-2024-08-06 no no (out of scope)
MM-DD gemini-2.5-pro-preview-05-06 no no (out of scope)

The matcher now parses and validates real calendar dates. YYYYMMDD and YYMMDD apply Gregorian leap-year rules, MMDD is accepted only when the date occurs in at least one calendar year, and YYMM remains restricted to the 2020s. Impossible values such as 20250229, 250229, and 0431 are rejected. Ordinary numeric suffixes -2048, -4096, and -8192 remain rejected. -1024 is still the one irreducible collision because October 24th is a real date; an explicit regression test documents that accepted cost.

Two things this deliberately does not do:

The 8-digit path is intentionally stricter than the historical bare \d{8} rule: impossible calendar dates no longer fold. This follows the review decision and is covered by month-end and leap-day regression tests.

Verification

Revalidated after rebasing onto the then-current dev commit 44b4de39d on Windows 11 with Bun 1.4.0:

bun test tests/codex-catalog.test.ts  # 251 pass, 0 fail
bun run typecheck                      # exit 0
bun run privacy:scan                   # Privacy scan passed
git diff --check upstream/dev...HEAD   # exit 0

The CodeRabbit finding is covered by explicit valid/invalid leap-day and month-end cases for YYYYMMDD, YYMMDD, and MMDD.

The repository-wide bun run test continued making progress but reached the runner's 900-second Windows limit. Failures observed outside this catalog change were Windows ACL/temporary-directory locking and existing 5-second integration-test timeouts. As a control, the Kiro file that failed with EBUSY in the parallel suite passed alone (15 pass, 0 fail). responses-state.test.ts still fails alone when its ACL-backed spill path is unavailable on this D: volume. I am therefore leaving the local-all-green readiness box unticked and treating GitHub CI as the authority, as requested in review.

Tests remain table-driven in the existing isDatedVariantId section. Added calendar regressions include valid 20240229 / 240229 / 0229, invalid 20250229 / 250229, and invalid April 31 values in all applicable widths.

Checklist

  • Scope stays focused and avoids unrelated cleanup.
  • Docs or release notes were updated when needed. (No user-facing docs describe this fold; the rationale lives in the JSDoc on the pattern.)
  • Security-sensitive changes were reviewed for secrets, auth, and unsafe defaults. (Pure predicate change; no auth, network, or config surface touched. bun run privacy:scan passes.)

Review readiness checklist

This PR stays in draft until every box below is ticked. Tick all four boxes once the requirements are met:

  • All CI tests are green on my local testing.

  • I pushed my PR to the latest dev commit.

  • I resolved all correct Codex and CodeRabbit findings.

  • My PR is ready for review.

Summary by CodeRabbit

  • Bug Fixes

    • Improved recognition of dated model aliases using multiple date formats.
    • Prevented valid aliases from being incorrectly excluded from configured model listings.
    • Continued rejecting version numbers, context sizes, invalid dates, and unrelated suffixes.
  • Tests

    • Expanded coverage for supported date formats and edge cases, including the accepted -1024 suffix behavior.

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Deterministic PR hygiene checks passed.

@github-actions github-actions Bot added the bug Something isn't working label Aug 31, 2026
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github-actions Bot marked this pull request as draft August 31, 2026 02:09
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Review Change Stack

📝 Walkthrough

Walkthrough

The catalog now recognizes dated model aliases with YYYYMMDD, YYMMDD, MMDD, and YYMM suffixes. Tests cover supported formats, rejected suffixes, the accepted -1024 collision, and one-directional folding.

Changes

Dated variant matching

Layer / File(s) Summary
Date suffix matching
src/codex/catalog/provider-fetch.ts
The matcher adds constrained month, day, and 2020s year patterns. It accepts four numeric release-date suffix formats and replaces the previous eight-digit-only check.
Date suffix validation
tests/codex-catalog.test.ts
Tests cover provider examples, invalid suffixes, context-size values, the accepted -1024 collision, and one-directional folding.

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

Merge Risk: 🔵 Low · up to e082b

The change broadens dated model matching, but it currently treats some impossible dates as valid dated variants, which could create incorrect catalog aliases for affected provider IDs. The risk is localized and mergeable with explicit owner awareness or a follow-up to validate month/day combinations.

Suggested reviewers: ingwannu, lidge-jun

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 2 functions across 2 files. Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (4 passed)
Check name Status Explanation
Linked Issues check ✅ Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check ✅ Passed Check skipped because no linked issues were found for this pull request.
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title clearly and concisely describes the main change: support for YYMMDD, MMDD, and YYMM dated model ID suffixes in catalog detection. It matches the implementation in src/codex/catalog/provider-…
Full details: Title check

Explanation

The title clearly and concisely describes the main change: support for YYMMDD, MMDD, and YYMM dated model ID suffixes in catalog detection. It matches the implementation in src/codex/catalog/provider-fetch.ts and the related tests.

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Actionable comments posted: 1

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Inline comments:
In `@src/codex/catalog/provider-fetch.ts`:
- Line 939: Update isDatedVariantId and the date-pattern validation around
DATED_VARIANT_DD to validate month/day combinations rather than accepting every
day through 31. Apply leap-year rules for YYYYMMDD and YYMMDD formats, while
allowing MMDD only when the date occurs in at least one calendar year, and add
regression coverage in the existing codex catalog tests for invalid month-end
and leap-day inputs.
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📒 Files selected for processing (2)
  • src/codex/catalog/provider-fetch.ts
  • tests/codex-catalog.test.ts

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Comment thread src/codex/catalog/provider-fetch.ts Outdated
@lidge-jun

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리뷰 · 우선순위 66 / 80

설명

이 PR은 열린 이슈 #3024 의 「안전하게 고칠 수 있는 절반」만 다룬다. 지금 dev (7666f7d2a) 의 src/codex/catalog/provider-fetch.tsisDatedVariantId 는 아직 /^\d{8}$/ 한 줄이다. 설정에 짧은 이름(base)이 있고 라이브 카탈로그에 날짜 붙은 이름(dated)이 있을 때만 그 둘을 같은 모델로 접어 주는 함수다. 여덟 자리 YYYYMMDD 만 날짜로 인정하니, 실제로 DeepSeek·Kimi·Mistral·Qwen·Solar 가 쓰는 YYMMDD / MMDD / YYMM 접미사는 전부 날짜가 아니라고 판정되고, 설정 쪽 짧은 id 가 droppedConfiguredIds 로 떨어진다. 작성자가 실제 멀티 프로바이더 설치에서 숫자 접미사 쌍 26개를 세어 보니 옛 규칙에 맞은 것이 0개였다고 한다.

고치는 방식은 단순하다. 월·일 모양 가드가 있는 정규식 네 갈래(YYYYMMDD / YYMMDD / MMDD / YYMM) 로 넓힌다. 연도 두 자리는 2\d 로 묶어서 -1301 같은 불가능한 YYMM 을 막고, -2048 / -4096 / -8192 같은 컨텍스트 크기 접미사는 월이 20·40·81 이라서 자연히 거절된다. 반대로 -1024 는 10월 24일로 읽혀서 통과한다. 이건 버그가 아니라 MMDD 를 허용하는 한 피할 수 없는 충돌이고, 테스트로 그 비용을 고정해 두었다. 하이픈이 들어간 ISO 날짜(-2024-08-06, -05-06) 는 일부러 범위 밖이다.

더 중요한 설계 선택은 「접기는 한쪽 방향만」이다. 설정=짧은이름 → 라이브=날짜이름 만 접고, 설정=날짜이름 → 라이브=짧은이름 은 접지 않는다. 그래서 이슈를 연 예시 alibaba-token-plan-intl/deepseek-v4-pro-0813 처럼 설정에 날짜 id 만 남아 있고 프로바이더가 짧은 id 만 주는 경우는 이 PR 후에도 여전히 떨어진다. 그건 실수가 아니라 #1690 retain/allow-list 쪽 일감으로 남기라는 메인테이너 리뷰를 따른 것이다. shouldRetainConfiguredProviderModel 과 retainModels 경로도 안 건드린다. 테스트는 tests/codex-catalog.test.ts 에 표 형태로 포맷별 통과·거절·컨텍스트 크기·1024 충돌·역방향 거절을 추가한다. types.ts/config.ts 분할과 무관하다.

점수 66/80. 범위가 분명하고 HEAD 의 실제 병목(여덟 자리만 인정)을 정확히 겨냥하며, 알려진 비용을 테스트로 박아 두었다. 다만 이슈 제목의 「callable 인데 떨어짐」 전체 중 설정=dated 쪽은 일부러 안 고쳤고, 체크리스트 네 칸이 아직 비어 있으며, 작성자도 전체 prepush 를 끝까지 못 돌렸다. CI 초록이 권위다.

라인 provider-fetch.ts ~938 (HEAD) - 현재는 /^\d{8}$/ 한 줄. PR 이 여기만 교체한다. 범위 좋다.
경로 DATED_VARIANT_DD = 3[01] - 2월 31일 같은 「달력에 없는 날」도 모양만 맞으면 통과한다. 진짜 달력 검증은 아니다. 의도가 「월·일 자리 모양」이면 문서/주석에 그 한계를 한 줄 더 적어도 좋다.
경로 8자리 갈래 - 이제 달력 모양을 요구하므로 예전의 「아무 여덟 숫자」보다 조금 더 빡세다. 작성자가 PR 본문에서 이미 물어봤다. -99999999 같은 가짜 여덟 자리는 더 이상 접히지 않는다.
경로 역방향 접기 없음 - deepseek-v4-pro-0813 설정 vs deepseek-v4-pro 라이브는 계속 false. 이슈 #3024 제목 사례 중 설정=dated 쪽은 고치지 않는다. 의도된 잔여다.
PR 본문 체크리스트 - CI 로컬 완료 / 최신 dev 기준 push / Codex·CodeRabbit 반영 / ready 네 칸이 비어 있다. draft 해제 전에 채워야 하는 저장소 관례다.
검증 주장 - typecheck 와 catalog 관련 테스트·privacy:scan 통과는 적혀 있으나 전체 test:changed / prepush 는 작성자가 중단했다. CI 결과를 본다.

메인테이너의 판단이 필요한 지점

너의 추천

CI 가 초록이면 merge 후보로 둔다. 범위 확대해서 역방향 접기나 retainModels 를 이 PR에 싣지 말 것 — #1690 과 섞이면 분할 캠페인·다른 카탈로그 PR 과 충돌한다. merge 후 #3024 에는 「suffix half landed via #<이 PR>, reverse/retain 잔여」 댓글을 남기고 이슈는 열어 두거나 부분 완료로 표시한다. 8자리 조임과 -1024 비용은 작성자 제안대로 받아들이는 쪽이 일관적이다.

이 댓글은 grok-bot이 작성했습니다

ntdatt812 added a commit to ntdatt812/opencodex that referenced this pull request Aug 31, 2026
Ingwannu is right and this drops the reverse fold.

A live dated row proves that model answers, so serving it under the configured
base id is backed by discovery. A live base row proves nothing about a
configured dated snapshot: folding on name similarity would put a retired or
plan-removed id back in the authoritative catalog with no callability signal
behind it. The reporter proved one specific id by hand; the merge has no
equivalent signal, so it must not generalise from a name.

The reverse case already has a home. mergeConfiguredModelsIntoLiveCatalog
retains a configured id when seedVertexDefault, shouldRetainConfiguredProviderModel
or retainConfiguredModelIds says so — a decision someone made, rather than an
inference. A test now shows the same input retained that way.

What remains is the half the reporter actually demonstrated: isDateSuffix accepts
MMDD as well as YYYYMMDD, so `deepseek-v4-pro-0813` folds into `deepseek-v4-pro`
in the direction discovery supports. A four-digit suffix must be a real month and
day, which keeps version and size suffixes (2025, 2048, 4096, 8192) separate, and
the unavoidable `-1024` collision stays pinned by its own test.

Three tests replace the one that asserted the reverse fold: the inference is
refused, the explicit retention still works, and the forward fold covers MMDD.
Reverting either half of the change fails tests — the reverse fold fails 1, and
narrowing isDateSuffix back to YYYYMMDD fails 4.

Not superseding lidge-jun#3034: the broader YYMMDD and YYMM formats belong to that PR and
I have not taken them. lidge-jun#3024 should not close as fully fixed on this alone — the
reverse case is deliberately left to an explicit retention contract.
…ge-jun#3024)

`isDatedVariantId` only accepted an 8-digit `YYYYMMDD` suffix, so the
dated-alias fold in `mergeConfiguredModelsIntoLiveCatalog` never fired for
providers that publish shorter release dates. On a real multi-provider
install the `\d{8}` rule matched none of the 26 numeric-suffixed ids
present, dropping DeepSeek, Kimi, Mistral, Qwen and Solar aliases into
`droppedConfiguredIds` even though a live row for the same model existed.

Widen the suffix to the formats upstreams actually publish -- `YYYYMMDD`,
`YYMMDD`, `MMDD` and `YYMM` -- behind a calendar guard so ordinary numeric
suffixes are not read as dates. `-2048`, `-4096` and `-8192` are rejected;
`YY` is `2\d` rather than `\d\d` so `1301` is rejected too. `-1024` is a
valid `MMDD` and is therefore accepted -- an irreducible collision, pinned
by a test so it stays a known cost.

The fold stays one-directional (`configured=base` -> `live=dated`). A
configured id the provider no longer lists must not be retained on the
strength of a format match alone; lidge-jun#1690 is the explicit opt-in for that.
Hyphenated ISO suffixes (`-2024-08-06`, `-05-06`) remain out of scope.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
@kaicot
kaicot force-pushed the fix/dated-variant-suffix-formats branch from e082b73 to 0a6393d Compare August 31, 2026 14:32
lidge-jun added a commit that referenced this pull request Aug 31, 2026
…t the predicate

#3034 widens the dated-suffix matcher and pins it with a predicate test that the
fold stays one-way: isDatedVariantId("deepseek-v4-pro", "deepseek-v4-pro-0813")
is false. That assertion is true of every implementation, including one whose
merge loop calls the predicate a second time with the arguments swapped -- which
is exactly what #3041 originally proposed and then withdrew.

So the guard is moved to where the resurrection would actually happen. These
three drive mergeConfiguredModelsIntoLiveCatalog itself, carried from #3041:

- a live base row must not resurrect a configured dated id
- a live MMDD dated row still folds onto its configured base
- a dated id named in retainConfiguredModelIds survives

Both directions were mutation-checked. Adding
|| isDatedVariantId(candidate.id, live.id) to the merge loop fails only the
first test (253 pass / 1 fail); narrowing the suffix back to /^\d{8}$/ fails 13,
including the MMDD and YYMM folds. Neither mutation is caught by the predicate
test alone.

The retention test is labelled for what it actually covers: production fills
retainConfiguredModelIds from combo targets, not from providers.*.models, so it
pins the OCX-111 path. The operator-facing opt-in is #1690's retainModels, which
does not exist yet -- and until it does, the dated id #3024 reports is still
dropped. This lands the safe half of #3024 and says so.

(cherry picked from commit a909682)
@lidge-jun

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Superseded by #3100, which cherry-picks this commit with your authorship intact and adds three merge-loop regressions carried from #3041.

Your calendar matcher is the better of the two: it rejects 20250229 and 0231, which #3041's bare /^\d{8}$/ plus day <= 31 both accept. #3100 keeps it unchanged.

What it adds is where the direction guard lives. Your does not fold configured=dated against live=base asserts on the predicate, and that assertion is true of every implementation — including one whose merge loop calls the predicate a second time with the arguments swapped, which is what #3041 first proposed. Mutation-checked: adding || isDatedVariantId(candidate.id, live.id) to the merge loop leaves your predicate test green and fails only the new merge-loop test.

Please keep an eye on #3100; if you would rather land this yourself, say so and I will close mine instead.

Triaged in the 2026-08-31 non-priority-70 bug round.

lidge-jun added a commit that referenced this pull request Sep 1, 2026
… the merge loop (#3100)

* fix(catalog): recognize YYMMDD/MMDD/YYMM dated model id suffixes (#3024)

`isDatedVariantId` only accepted an 8-digit `YYYYMMDD` suffix, so the
dated-alias fold in `mergeConfiguredModelsIntoLiveCatalog` never fired for
providers that publish shorter release dates. On a real multi-provider
install the `\d{8}` rule matched none of the 26 numeric-suffixed ids
present, dropping DeepSeek, Kimi, Mistral, Qwen and Solar aliases into
`droppedConfiguredIds` even though a live row for the same model existed.

Widen the suffix to the formats upstreams actually publish -- `YYYYMMDD`,
`YYMMDD`, `MMDD` and `YYMM` -- behind a calendar guard so ordinary numeric
suffixes are not read as dates. `-2048`, `-4096` and `-8192` are rejected;
`YY` is `2\d` rather than `\d\d` so `1301` is rejected too. `-1024` is a
valid `MMDD` and is therefore accepted -- an irreducible collision, pinned
by a test so it stays a known cost.

The fold stays one-directional (`configured=base` -> `live=dated`). A
configured id the provider no longer lists must not be retained on the
strength of a format match alone; #1690 is the explicit opt-in for that.
Hyphenated ISO suffixes (`-2024-08-06`, `-05-06`) remain out of scope.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
(cherry picked from commit 0a6393d)
(cherry picked from commit 6dd0850)

* test(catalog): guard the dated fold's direction at the merge loop, not the predicate

#3034 widens the dated-suffix matcher and pins it with a predicate test that the
fold stays one-way: isDatedVariantId("deepseek-v4-pro", "deepseek-v4-pro-0813")
is false. That assertion is true of every implementation, including one whose
merge loop calls the predicate a second time with the arguments swapped -- which
is exactly what #3041 originally proposed and then withdrew.

So the guard is moved to where the resurrection would actually happen. These
three drive mergeConfiguredModelsIntoLiveCatalog itself, carried from #3041:

- a live base row must not resurrect a configured dated id
- a live MMDD dated row still folds onto its configured base
- a dated id named in retainConfiguredModelIds survives

Both directions were mutation-checked. Adding
|| isDatedVariantId(candidate.id, live.id) to the merge loop fails only the
first test (253 pass / 1 fail); narrowing the suffix back to /^\d{8}$/ fails 13,
including the MMDD and YYMM folds. Neither mutation is caught by the predicate
test alone.

The retention test is labelled for what it actually covers: production fills
retainConfiguredModelIds from combo targets, not from providers.*.models, so it
pins the OCX-111 path. The operator-facing opt-in is #1690's retainModels, which
does not exist yet -- and until it does, the dated id #3024 reports is still
dropped. This lands the safe half of #3024 and says so.

(cherry picked from commit a909682)

---------

Co-authored-by: kaicot <275240300+kaicot@users.noreply.github.com>
Co-authored-by: Claude Opus 5 <noreply@anthropic.com>
@lidge-jun

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Landed via maintainer replacement #3100 at b46164e. The calendar matcher from this PR and the directional merge-loop guards from #3041 were combined on current dev with exact-head CI. Closing this superseded source PR.

@lidge-jun lidge-jun added the landed-via-maintainer Original PR closed after landing via a maintainer merge train label Sep 1, 2026
@lidge-jun lidge-jun closed this Sep 1, 2026
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