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feat(providers): add DGrid AI gateway provider - #4931

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diegosouzapw merged 1 commit into
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Jun 26, 2026
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diegosouzapw merged 1 commit into
cheaper-inference:release/v3.8.37from
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Summary

  • Add DGrid as a first-class API-key provider backed by DGrid’s OpenAI-compatible gateway.
  • Seed dgridai/free as the default DGrid Free Models Router and mark DGrid as a free-tier provider in the provider catalog.
  • Enable passthrough model validation plus live model import from https://api.dgrid.ai/v1/models, with the seeded free router as the offline fallback.

Related Issues

  • Closes #
  • Related to #

Validation

  • npm run lint
  • npm run test:unit
  • npm run test:coverage
  • Coverage is still >= 60% for statements, lines, functions, and branches
  • SonarQube PR analysis is green or any remaining issues are explicitly documented below

Additional local validation run:

  • node --import tsx/esm --test tests/unit/dgrid-provider.test.ts — 7/7 passing
  • git diff --check

Tests Added Or Updated

  • Added tests/unit/dgrid-provider.test.ts
    • Verifies DGrid provider metadata.
    • Verifies registry config, endpoint, bearer auth, seeded dgridai/free model, and passthrough model validation.
    • Verifies live /v1/models import and seeded fallback behavior.

Coverage Notes

  • This PR changes src/ and open-sse/.
  • DGrid provider registration and model-discovery behavior are covered by tests/unit/dgrid-provider.test.ts.
  • Coverage impact is expected to be neutral because the changed provider registration paths are covered by the added unit test.

Reviewer Notes

  • DGrid is configured as an OpenAI-compatible API-key provider using https://api.dgrid.ai/v1/chat/completions.
  • The provider seeds dgridai/free as DGrid Free Models Router, while the broader catalog is discovered live from https://api.dgrid.ai/v1/models.
  • passthroughModels is enabled so DGrid models that are not hardcoded in OmniRoute remain callable after discovery/import.
  • No custom executor, migration, or feature flag is required.
  • The live catalog endpoint requires a valid DGrid API key; if discovery fails, OmniRoute falls back to the seeded dgridai/free model.
  • The DGrid catalog can change over time, so this PR intentionally avoids hardcoding the full model list or a fixed model count.

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Code Review

This pull request integrates the DGrid provider, an OpenAI-compatible gateway, into the application. The changes include registering the provider configuration, defining its API endpoints, adding it to the list of live-fetched OpenAI-style providers, and providing detailed metadata for its free tier. Additionally, a comprehensive suite of unit tests has been added in tests/unit/dgrid-provider.test.ts to verify its registration, endpoints, live catalog fetching, and fallback behavior. There are no review comments, and I have no feedback to provide as the implementation is clean and includes thorough test coverage.

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@diegosouzapw
diegosouzapw changed the base branch from main to release/v3.8.37 June 25, 2026 22:01
Rebased onto release/v3.8.37; the dgrid APIKEY_PROVIDERS entry was relocated into
src/shared/constants/providers/apikey/gateways.ts (the inline object was god-file-split
into semantic-family files) and a CHANGELOG entry added.

Co-authored-by: diegosouzapw <diegosouza.pw@gmail.com>
@diegosouzapw
diegosouzapw merged commit 66222e5 into cheaper-inference:release/v3.8.37 Jun 26, 2026
1 check passed
@diegosouzapw diegosouzapw mentioned this pull request Jun 26, 2026
diegosouzapw added a commit that referenced this pull request Jun 26, 2026
* chore(release): open v3.8.37 development cycle

* chore(ci): harden release flow — ratchet decoupling, fast-path drift gates, build-scope guard, heap default (#5054)

Implements improvements 1-4 from the v3.8.36 release benchmark (_tasks/release-bench/v3.8.36/PLANO-MELHORIA.md):

1. Quality Ratchet decoupled from flaky coverage (ci.yml): the shard→coverage→ratchet
   chain meant a single flaky Coverage Shard SKIPPED the whole Quality Ratchet on the
   release PR (v3.8.36 #4854), so cycle drift only surfaced post-merge in #5029. The job
   now runs on !cancelled(); coverage download is continue-on-error and the ratchet runs
   --allow-missing, so the DETERMINISTIC gates (eslint/complexity/cognitive/duplication/
   codeql) stay blocking even when coverage is unavailable.

2. Fast-path drift gates (quality.yml PR→release): added check:complexity,
   check:cognitive-complexity, and a new lightweight check:pack-policy (pack-artifact
   unexpected-files check WITHOUT a build, via --policy-only) so drift + stray-tarball-file
   regressions are caught/rebaselined PER-PR instead of cascading onto the release PR.

3. Build heap default 4096→8192 MB (build-next-isolated.mjs): the clean graph peaks
   ~3.9 GB and brushed the old 4 GB ceiling; 8 GB gives headroom. Comment notes heap is
   NOT the fix for a poisoned scope (run check:build-scope instead).

4. check:build-scope gate (new): fails if .ts/.tsx/.js/.jsx files in the tsconfig scope
   exceed a threshold — catches worktrees/cruft leaking into the build scope (the v3.8.36
   OOM root cause: 355,215 vs 4,547 files) BEFORE it detonates next build. Wired into the
   fast-path.

* fix(auth): only trust forwarding headers from loopback TCP peers (#4689)

Integrated into release/v3.8.37 — loopback-gated forwarding headers (IP spoofing fix). Cherry-picked onto current release tip; ipUtils.test.ts 9/9 green.

* fix(codex): treat OAuth 401 as unrecoverable refresh failure (#4686)

Integrated into release/v3.8.37 — codex OAuth 401 treated as unrecoverable refresh. Cherry-picked onto release tip; token-refresh-service.test.ts 38/38 green.

* fix(translator): preserve reasoning_effort for non-Copilot Responses clients (#4688)

Integrated into release/v3.8.37 — preserve reasoning_effort for non-Copilot Responses clients. Cherry-picked onto release tip; tests 47/47 green.

* fix(translator): coerce tool descriptions to strings in OpenAI normalization (#4675)

Integrated into release/v3.8.37 — coerce tool descriptions to strings in OpenAI normalization. Cherry-picked onto release tip; tests 3/3 green.

* feat(sse): x-omniroute-strip-reasoning header to drop reasoning_content (#4678)

Integrated into release/v3.8.37 — x-omniroute-strip-reasoning header. Cherry-picked onto release tip (resolved chatCore.ts/headers.ts adjacency conflict, kept resolveCompressionHeader + isStripReasoningRequested); tests 8/8 green.

* fix(combo): flatten Anthropic tool messages + tool history to prevent upstream 503 (#4648)

Integrated into release/v3.8.37 — flattenToolHistory helper (combo anti-503). Cherry-picked onto release tip; tests 9/9 green.

* feat(headroom): proxy lifecycle management + dashboard UI (Docker sidecar supported) (#4649)

Integrated into release/v3.8.37 — headroom proxy lifecycle (status/start/stop, local-only + spawn-capable per Rules #15/#17). Cherry-picked onto release tip; lifecycle 7/7 + route-guard 43/43 + check:cycles green.

* feat(cli): multi-model support for Factory Droid CLI (#4682)

Integrated into release/v3.8.37 — Factory Droid multi-model support. Cherry-picked onto release tip (kept readJsoncConfig + droidCustomModels imports); droid-custom-models 11/11 green.

* fix(providers): require Default Model in compatible-provider API-key setup (#4641)

Integrated into release/v3.8.37 — require Default Model in compatible-provider API-key setup. Cherry-picked fix + test-move onto release tip (kept release providerSpecificData + QuotaScrapingFields; fixed moved-test import path; baseline rebaseline unneeded, 865<866); UI test 2/2 green.

* fix(dashboard): stop double-masking already-masked API key in list (E2E 3/9 regression) (#4671)

Integrated into release/v3.8.37 — render server-masked key verbatim (drop redundant maskKey call). Note: release's maskKey already guards '****' (since v3.8.34), so this is a safe simplification; added a contract test pinning the **** passthrough invariant (2/2 green, would fail against the pre-guard maskKey = the historical double-mask bug).

* chore(quality): rebaseline file-size for rc17 PR batch drift

Own growth from the merged rc17 PRs (#4678/#4686/#4688) at existing chokepoints —
cohesive, not extractable:
- open-sse/handlers/responseSanitizer.ts 1103->1122 (SanitizeOpenAIResponseOptions + stripReasoning, #4678)
- open-sse/services/tokenRefresh.ts 2070->2090 (codex 401 unrecoverable-refresh guard, #4686)
- tests/unit/token-refresh-service.test.ts 1322->1353 (401 regression case, #4686)
- tests/unit/translator-openai-responses-req.test.ts 1047->1050 (reasoning_effort assertion, #4688)

* docs(env): document HEADROOM_URL in .env.example + ENVIRONMENT.md

The headroom proxy lifecycle (#4649) reads HEADROOM_URL (src/lib/headroom/detect.ts,
default http://localhost:8787) but it was missing from the env contract, tripping
check:env-doc-sync. Adds the var to both .env.example (commented, has a default) and
the Proxy Health table in ENVIRONMENT.md.

* fix(sse): stream writer mock abort() returns a Promise (#4788)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(cli): fall back to default data dir when DATA_DIR is not writable (#4767)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(oauth): verify Cursor installation on Linux before auto-import (#4770)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): track Ollama streaming usage from raw NDJSON chunks (#4754)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): strip enumDescriptions from antigravity tool schema (#4740)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): include low-level cause details in formatProviderError (#4741)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(translator): strip x-anthropic-billing-header in claude-to-openai (#4728)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): gate Kiro image attachments behind a Claude-capability check (#4763)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): read Antigravity usage from the response.usageMetadata envelope (#4785)

Integrated into release/v3.8.37 — Antigravity response.usageMetadata envelope. Cherry-picked onto release tip (resolved test-tail adjacency with #4754 Ollama block); usage-extractor 23/23 green.

* fix(api): fall back to existing access token for any OAuth provider on refresh failure (#4786)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(cli): verify launchd registration + skip self-SIGTERM in macOS autostart (#4765)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(executors): anthropic-compatible-* gateways get Bearer alongside x-api-key (#4729)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): json_schema fallback for OpenAI-compatible providers (#4766)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): use workos auth token shape for cline (#4787)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* feat(sse): parse Gemini CLI 429 retryDelay from structured RetryInfo (#4738)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): finalize tool_calls finish_reason on early stream end in OpenAI Responses translator (#4764)

Integrated into release/v3.8.37 — computeFinishReason finalizes tool_calls on early stream end (Responses translator). Cherry-picked onto release tip; responses-translation-fixes 29/29 green.

* test(sse): golden-lock provider.ts translate-path across all providers (#4734)

Integrated into release/v3.8.37 — golden-lock for provider.ts translate-path. Cherry-picked onto release tip; snapshot regenerated against the current provider set (UPDATE_GOLDEN=1, 167 entries); golden test 3/3 deterministic.

* chore(quality): rebaseline file-size for rc17 leva2 PR batch drift

Own growth from the merged leva2 PRs (cohesive, not extractable):
- src/lib/usage/providerLimits.ts 950->955 (#4786)
- open-sse/executors/default.ts NEW frozen @828 (#4729 + #4766 + #4787 header branches)
- open-sse/translator/request/openai-to-kiro.ts 807->814 (#4763)
- open-sse/translator/response/openai-responses.ts 923->937 (#4764)
- tests/unit/executor-default-base.test.ts 1339->1440 (#4766)
- tests/unit/translator-openai-to-kiro.test.ts 918->980 (#4763)

* fix(dashboard): align Engine Combos editor engines with API schema (#4955) (#5062)

The named-combos pipeline dropdown offered four engines (headroom,
session-dedup, ccr, llmlingua) that stackedPipelineStepSchema rejects, so
selecting one made PUT /api/context/combos/[id] return HTTP 400 while
saveCombo swallowed the non-OK response (if (!res.ok) return). Editing the
default 'Standard Savings' combo and changing an engine reproduced the 400.

- Add canonical STACKED_PIPELINE_ENGINE_INTENSITIES next to the schema as the
  single source of truth; the client dropdown imports it so it can never drift
  from the discriminated union the API validates against.
- Surface save errors and empty-name/empty-pipeline validation in the editor
  instead of failing silently.
- Add a parity unit test asserting the UI engine map equals the schema union
  and that every (engine, intensity) the UI emits is accepted.

* fix(sse): filter nameless hosted tools when converting Responses API to Chat format (#4789)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(dashboard): keep desktop sidebar visible via explicit CSS class (#4812)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip enumDescriptions from Antigravity tool schemas (#4813)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(dashboard): resolve passthrough model aliases by providerId in ModelSelectModal (#4815)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(oauth): allow per-connection refresh lead-time override via providerSpecificData.refreshLeadMs (#4818)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip X-Stainless-* headers and normalize SDK User-Agent for OpenAI-compatible endpoints (#4820)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip Gemini built-in tools when functionDeclarations present in Antigravity envelope (#4821)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(api): surface a Docker-localhost hint on provider-node validation connection errors (#4822)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): resolve bare model names to connection defaultModel before upstream calls (#4825)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(build): trace-include sql.js sql-wasm.wasm in standalone bundle (#4839)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip Composer <|final|> sentinel markers leaking after Composer reasoning (#4842)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(config): sync full SiliconFlow model list into registry (#4844)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): close reasoning before message content in Responses stream (#4848)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): reject unsupported Kiro [1m] context suffix (#4816)

Integrated into release/v3.8.37 — cherry-picked onto release tip; test-tail conflict with #4763 resolved (kept both image + [1m] test blocks); CHANGELOG re-merged; 29/29 green.

* fix(db): validate HuggingFace tokens via whoami-v2 auth probe (#4819)

Integrated into release/v3.8.37 — defining commit re-homed onto the god-file-split validation module (validateHuggingFaceProvider in validation/openaiFormat.ts + map wiring); 115/115 green.

* fix(sse): make anthropic-version default-guard case-insensitive (#4823)

Integrated into release/v3.8.37 — conflict with #4729 Bearer-fallback resolved (kept both Bearer fallback + case-insensitive anthropic-version guard); 48/48 green.

* fix(sse): sanitize Kiro tool schemas to avoid 400 "Improperly formed request" (#4847)

Integrated into release/v3.8.37 — conflict in kiro-to-openai.ts resolved (kept release fallbackToolCallId + adopted #1375 toolNameMap remap); 7/7 green.

* feat(sse): add GPT-4 to the GitHub Copilot provider (#4798)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(sse): add GPT-4o mini to GitHub Copilot provider (#4797)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(api): add MiniMax-M3 pricing row (#4814)

Integrated into release/v3.8.37 — pricing row re-homed onto god-file-split pricing/regional.ts (pricing.ts is now a barrel); 4/4 green.

* fix(cli): save runtime deps with --save-exact so a sibling install can't prune them (#4841)

Integrated into release/v3.8.37 — trayRuntime conflict resolved (kept release SYSTRAY_SPEC + added --save-exact); 2/2 green.

* fix(sse): preserve required fields in antigravity tool schemas (#4843)

Integrated into release/v3.8.37 — conflict resolved (kept #4740/#4813 enumDescriptions strip + typed normalizeSchemaTypes, added required-preservation helpers; test-tail merged keeping both enumDescriptions + required tests); 7/7 green.

* chore(quality): rebaseline file-size for rc17b leva3 PR batch drift

* fix(sse): strip reasoning blobs from agentic context to prevent O(n^2) token growth (#4849)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): unwrap Qoder HTTP 200 SSE error envelope so fallback can trigger (#4850)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip temperature for Claude models with extended thinking (#4853)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): emit valid concatenable kiro tool_calls.arguments deltas (#4855)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(sse): add toggleable tool-source diagnostics (#4856)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): redact api key from the AUTH debug log in the chat handler (#4858)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): forward AI SDK image parts in Responses translator (#4859)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): resolve custom combos by id and case-insensitive name (#4446) (#4869)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): exclude WS bridge controller-closed error from provider breaker (#4602) (#4870)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(providers): add xAI Grok inbound translators and thinking patcher (#4910)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(embeddings): add dimensions override field to embedding combos (#4913)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(oauth): Codex bulk-import endpoint — POST /api/oauth/codex/import (#4914)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(antigravity): retry transient upstream failures (#4941)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): surface malformed HTTP-200 upstream responses (#4942)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): normalize Codex custom tools (apply_patch) to { input: string } schema (#4862)

Integrated into release/v3.8.37 — conflict in request/openai-responses.ts resolved (kept #4789 nameless-tool skip + added #1007 custom-tool {input:string} normalization); 48/48 green incl. #4789/#4859 regression.

* fix(sse): dense, deterministic output ordering in Responses API response.completed (#4906)

Integrated into release/v3.8.37 — manual integration with #4862 in response/openai-responses.ts (custom-tool funcItem + dense recordCompletedItem). Fixed a latent #4848 interaction: the close-reasoning-before-message guard force-closed <think>-tag reasoning prematurely, which dense output (#4906) then snapshotted as a partial buffer ("plan" vs "planning") — scoped the guard to native reasoning_content (!inThinking) in BOTH transformer + translator paths. Full Responses suite 203/203 green incl. #4848/#4862 regression.

* feat(sse): auto-promote successful combo model to position #1 (#4852)

Integrated into release/v3.8.37 — dropped the stale file-size-baseline.json hunk (re-derived against the rc17b rebaseline); code+test applied clean; 13/13 green.

* feat(providers): add Pioneer AI (Fastino Labs) provider (#4909)

Integrated into release/v3.8.37 — providers.ts apikey block re-homed onto god-file-split src/shared/constants/providers/apikey/frontier-labs.ts (inline APIKEY_PROVIDERS no longer exists); registry/pioneer + providers/index.ts applied clean; 6/6 green.

* add DGrid AI gateway provider (#4931)

Integrated into release/v3.8.37 — rebased the contributor's commit onto the release tip; providers.ts god-file-split conflict resolved by relocating the dgrid APIKEY_PROVIDERS entry into apikey/gateways.ts; CHANGELOG added. 7/7 green. Thanks @dgridOP!

* chore(quality): rebaseline file-size for rc17b leva4 PR batch drift

* docs(routing): sync combo strategy docs for Fusion (17 strategies) (#5067)

Fusion (16th strategy, panel fan-out + judge synthesis) and headroom
shipped but the strategy-count docs were stale (14/15) and omitted both.
Update every combo-strategy reference to the canonical 17, add fusion +
headroom to all strategy tables, and add a dedicated Fusion section to
AUTO-COMBO.md documenting judgeModel / fusionTuning config + an example.

- CLAUDE.md, README.md, FEATURES.md, RESILIENCE_GUIDE.md,
  ARCHITECTURE.md, OPEN_SSE_ARCHITECTURE.md, OMNIROUTE_VS_ALTERNATIVES.md,
  docs/README.md, request-pipeline.mmd: 14/15 -> 17, list fusion + headroom
- docs/routing/AUTO-COMBO.md: strategy table + new Fusion strategy section
- docs/openapi.yaml: add reset-window, headroom, fusion to the strategy enum

* fix(oauth): classify /api/oauth/cursor/auto-import as local-only (route-guard) (#5070)

The Cursor auto-import route runs execFile("which", ["cursor"]) to verify a
local Cursor install before importing credentials — a child-process spawn. The
check:route-guard-membership gate (Hard Rules #15/#17) flagged it as an
unclassified spawn-capable route: reachable past the loopback gate, an
RCE-via-tunnel surface (a leaked JWT over a tunnel could trigger the spawn).

Classify the specific path in LOCAL_ONLY_API_PREFIXES so loopback enforcement
runs unconditionally before any auth check. Scoped to the exact path — the rest
of /api/oauth/ (browser redirect/callback flows) stays remote-reachable.

TDD: added a failing-then-passing assertion in route-guard-local-prefix.test.ts
(classification + an over-broadening guard proving sibling OAuth paths stay
remote). check:route-guard-membership now reports 0 new gaps.

* chore(release): v3.8.37 — 2026-06-26

---------

Co-authored-by: dgridOP <dgrid_op@outlook.com>
dimaslanjaka pushed a commit to dimaslanjaka/OmniRoute that referenced this pull request Jun 26, 2026
* chore(release): open v3.8.37 development cycle

* chore(ci): harden release flow — ratchet decoupling, fast-path drift gates, build-scope guard, heap default (cheaper-inference#5054)

Implements improvements 1-4 from the v3.8.36 release benchmark (_tasks/release-bench/v3.8.36/PLANO-MELHORIA.md):

1. Quality Ratchet decoupled from flaky coverage (ci.yml): the shard→coverage→ratchet
   chain meant a single flaky Coverage Shard SKIPPED the whole Quality Ratchet on the
   release PR (v3.8.36 cheaper-inference#4854), so cycle drift only surfaced post-merge in cheaper-inference#5029. The job
   now runs on !cancelled(); coverage download is continue-on-error and the ratchet runs
   --allow-missing, so the DETERMINISTIC gates (eslint/complexity/cognitive/duplication/
   codeql) stay blocking even when coverage is unavailable.

2. Fast-path drift gates (quality.yml PR→release): added check:complexity,
   check:cognitive-complexity, and a new lightweight check:pack-policy (pack-artifact
   unexpected-files check WITHOUT a build, via --policy-only) so drift + stray-tarball-file
   regressions are caught/rebaselined PER-PR instead of cascading onto the release PR.

3. Build heap default 4096→8192 MB (build-next-isolated.mjs): the clean graph peaks
   ~3.9 GB and brushed the old 4 GB ceiling; 8 GB gives headroom. Comment notes heap is
   NOT the fix for a poisoned scope (run check:build-scope instead).

4. check:build-scope gate (new): fails if .ts/.tsx/.js/.jsx files in the tsconfig scope
   exceed a threshold — catches worktrees/cruft leaking into the build scope (the v3.8.36
   OOM root cause: 355,215 vs 4,547 files) BEFORE it detonates next build. Wired into the
   fast-path.

* fix(auth): only trust forwarding headers from loopback TCP peers (cheaper-inference#4689)

Integrated into release/v3.8.37 — loopback-gated forwarding headers (IP spoofing fix). Cherry-picked onto current release tip; ipUtils.test.ts 9/9 green.

* fix(codex): treat OAuth 401 as unrecoverable refresh failure (cheaper-inference#4686)

Integrated into release/v3.8.37 — codex OAuth 401 treated as unrecoverable refresh. Cherry-picked onto release tip; token-refresh-service.test.ts 38/38 green.

* fix(translator): preserve reasoning_effort for non-Copilot Responses clients (cheaper-inference#4688)

Integrated into release/v3.8.37 — preserve reasoning_effort for non-Copilot Responses clients. Cherry-picked onto release tip; tests 47/47 green.

* fix(translator): coerce tool descriptions to strings in OpenAI normalization (cheaper-inference#4675)

Integrated into release/v3.8.37 — coerce tool descriptions to strings in OpenAI normalization. Cherry-picked onto release tip; tests 3/3 green.

* feat(sse): x-omniroute-strip-reasoning header to drop reasoning_content (cheaper-inference#4678)

Integrated into release/v3.8.37 — x-omniroute-strip-reasoning header. Cherry-picked onto release tip (resolved chatCore.ts/headers.ts adjacency conflict, kept resolveCompressionHeader + isStripReasoningRequested); tests 8/8 green.

* fix(combo): flatten Anthropic tool messages + tool history to prevent upstream 503 (cheaper-inference#4648)

Integrated into release/v3.8.37 — flattenToolHistory helper (combo anti-503). Cherry-picked onto release tip; tests 9/9 green.

* feat(headroom): proxy lifecycle management + dashboard UI (Docker sidecar supported) (cheaper-inference#4649)

Integrated into release/v3.8.37 — headroom proxy lifecycle (status/start/stop, local-only + spawn-capable per Rules cheaper-inference#15/cheaper-inference#17). Cherry-picked onto release tip; lifecycle 7/7 + route-guard 43/43 + check:cycles green.

* feat(cli): multi-model support for Factory Droid CLI (cheaper-inference#4682)

Integrated into release/v3.8.37 — Factory Droid multi-model support. Cherry-picked onto release tip (kept readJsoncConfig + droidCustomModels imports); droid-custom-models 11/11 green.

* fix(providers): require Default Model in compatible-provider API-key setup (cheaper-inference#4641)

Integrated into release/v3.8.37 — require Default Model in compatible-provider API-key setup. Cherry-picked fix + test-move onto release tip (kept release providerSpecificData + QuotaScrapingFields; fixed moved-test import path; baseline rebaseline unneeded, 865<866); UI test 2/2 green.

* fix(dashboard): stop double-masking already-masked API key in list (E2E 3/9 regression) (cheaper-inference#4671)

Integrated into release/v3.8.37 — render server-masked key verbatim (drop redundant maskKey call). Note: release's maskKey already guards '****' (since v3.8.34), so this is a safe simplification; added a contract test pinning the **** passthrough invariant (2/2 green, would fail against the pre-guard maskKey = the historical double-mask bug).

* chore(quality): rebaseline file-size for rc17 PR batch drift

Own growth from the merged rc17 PRs (cheaper-inference#4678/cheaper-inference#4686/cheaper-inference#4688) at existing chokepoints —
cohesive, not extractable:
- open-sse/handlers/responseSanitizer.ts 1103->1122 (SanitizeOpenAIResponseOptions + stripReasoning, cheaper-inference#4678)
- open-sse/services/tokenRefresh.ts 2070->2090 (codex 401 unrecoverable-refresh guard, cheaper-inference#4686)
- tests/unit/token-refresh-service.test.ts 1322->1353 (401 regression case, cheaper-inference#4686)
- tests/unit/translator-openai-responses-req.test.ts 1047->1050 (reasoning_effort assertion, cheaper-inference#4688)

* docs(env): document HEADROOM_URL in .env.example + ENVIRONMENT.md

The headroom proxy lifecycle (cheaper-inference#4649) reads HEADROOM_URL (src/lib/headroom/detect.ts,
default http://localhost:8787) but it was missing from the env contract, tripping
check:env-doc-sync. Adds the var to both .env.example (commented, has a default) and
the Proxy Health table in ENVIRONMENT.md.

* fix(sse): stream writer mock abort() returns a Promise (cheaper-inference#4788)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(cli): fall back to default data dir when DATA_DIR is not writable (cheaper-inference#4767)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(oauth): verify Cursor installation on Linux before auto-import (cheaper-inference#4770)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): track Ollama streaming usage from raw NDJSON chunks (cheaper-inference#4754)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): strip enumDescriptions from antigravity tool schema (cheaper-inference#4740)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): include low-level cause details in formatProviderError (cheaper-inference#4741)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(translator): strip x-anthropic-billing-header in claude-to-openai (cheaper-inference#4728)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): gate Kiro image attachments behind a Claude-capability check (cheaper-inference#4763)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): read Antigravity usage from the response.usageMetadata envelope (cheaper-inference#4785)

Integrated into release/v3.8.37 — Antigravity response.usageMetadata envelope. Cherry-picked onto release tip (resolved test-tail adjacency with cheaper-inference#4754 Ollama block); usage-extractor 23/23 green.

* fix(api): fall back to existing access token for any OAuth provider on refresh failure (cheaper-inference#4786)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(cli): verify launchd registration + skip self-SIGTERM in macOS autostart (cheaper-inference#4765)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(executors): anthropic-compatible-* gateways get Bearer alongside x-api-key (cheaper-inference#4729)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): json_schema fallback for OpenAI-compatible providers (cheaper-inference#4766)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): use workos auth token shape for cline (cheaper-inference#4787)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* feat(sse): parse Gemini CLI 429 retryDelay from structured RetryInfo (cheaper-inference#4738)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): finalize tool_calls finish_reason on early stream end in OpenAI Responses translator (cheaper-inference#4764)

Integrated into release/v3.8.37 — computeFinishReason finalizes tool_calls on early stream end (Responses translator). Cherry-picked onto release tip; responses-translation-fixes 29/29 green.

* test(sse): golden-lock provider.ts translate-path across all providers (cheaper-inference#4734)

Integrated into release/v3.8.37 — golden-lock for provider.ts translate-path. Cherry-picked onto release tip; snapshot regenerated against the current provider set (UPDATE_GOLDEN=1, 167 entries); golden test 3/3 deterministic.

* chore(quality): rebaseline file-size for rc17 leva2 PR batch drift

Own growth from the merged leva2 PRs (cohesive, not extractable):
- src/lib/usage/providerLimits.ts 950->955 (cheaper-inference#4786)
- open-sse/executors/default.ts NEW frozen @828 (cheaper-inference#4729 + cheaper-inference#4766 + cheaper-inference#4787 header branches)
- open-sse/translator/request/openai-to-kiro.ts 807->814 (cheaper-inference#4763)
- open-sse/translator/response/openai-responses.ts 923->937 (cheaper-inference#4764)
- tests/unit/executor-default-base.test.ts 1339->1440 (cheaper-inference#4766)
- tests/unit/translator-openai-to-kiro.test.ts 918->980 (cheaper-inference#4763)

* fix(dashboard): align Engine Combos editor engines with API schema (cheaper-inference#4955) (cheaper-inference#5062)

The named-combos pipeline dropdown offered four engines (headroom,
session-dedup, ccr, llmlingua) that stackedPipelineStepSchema rejects, so
selecting one made PUT /api/context/combos/[id] return HTTP 400 while
saveCombo swallowed the non-OK response (if (!res.ok) return). Editing the
default 'Standard Savings' combo and changing an engine reproduced the 400.

- Add canonical STACKED_PIPELINE_ENGINE_INTENSITIES next to the schema as the
  single source of truth; the client dropdown imports it so it can never drift
  from the discriminated union the API validates against.
- Surface save errors and empty-name/empty-pipeline validation in the editor
  instead of failing silently.
- Add a parity unit test asserting the UI engine map equals the schema union
  and that every (engine, intensity) the UI emits is accepted.

* fix(sse): filter nameless hosted tools when converting Responses API to Chat format (cheaper-inference#4789)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(dashboard): keep desktop sidebar visible via explicit CSS class (cheaper-inference#4812)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip enumDescriptions from Antigravity tool schemas (cheaper-inference#4813)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(dashboard): resolve passthrough model aliases by providerId in ModelSelectModal (cheaper-inference#4815)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(oauth): allow per-connection refresh lead-time override via providerSpecificData.refreshLeadMs (cheaper-inference#4818)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip X-Stainless-* headers and normalize SDK User-Agent for OpenAI-compatible endpoints (cheaper-inference#4820)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip Gemini built-in tools when functionDeclarations present in Antigravity envelope (cheaper-inference#4821)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(api): surface a Docker-localhost hint on provider-node validation connection errors (cheaper-inference#4822)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): resolve bare model names to connection defaultModel before upstream calls (cheaper-inference#4825)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(build): trace-include sql.js sql-wasm.wasm in standalone bundle (cheaper-inference#4839)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip Composer <|final|> sentinel markers leaking after Composer reasoning (cheaper-inference#4842)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(config): sync full SiliconFlow model list into registry (cheaper-inference#4844)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): close reasoning before message content in Responses stream (cheaper-inference#4848)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): reject unsupported Kiro [1m] context suffix (cheaper-inference#4816)

Integrated into release/v3.8.37 — cherry-picked onto release tip; test-tail conflict with cheaper-inference#4763 resolved (kept both image + [1m] test blocks); CHANGELOG re-merged; 29/29 green.

* fix(db): validate HuggingFace tokens via whoami-v2 auth probe (cheaper-inference#4819)

Integrated into release/v3.8.37 — defining commit re-homed onto the god-file-split validation module (validateHuggingFaceProvider in validation/openaiFormat.ts + map wiring); 115/115 green.

* fix(sse): make anthropic-version default-guard case-insensitive (cheaper-inference#4823)

Integrated into release/v3.8.37 — conflict with cheaper-inference#4729 Bearer-fallback resolved (kept both Bearer fallback + case-insensitive anthropic-version guard); 48/48 green.

* fix(sse): sanitize Kiro tool schemas to avoid 400 "Improperly formed request" (cheaper-inference#4847)

Integrated into release/v3.8.37 — conflict in kiro-to-openai.ts resolved (kept release fallbackToolCallId + adopted cheaper-inference#1375 toolNameMap remap); 7/7 green.

* feat(sse): add GPT-4 to the GitHub Copilot provider (cheaper-inference#4798)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(sse): add GPT-4o mini to GitHub Copilot provider (cheaper-inference#4797)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(api): add MiniMax-M3 pricing row (cheaper-inference#4814)

Integrated into release/v3.8.37 — pricing row re-homed onto god-file-split pricing/regional.ts (pricing.ts is now a barrel); 4/4 green.

* fix(cli): save runtime deps with --save-exact so a sibling install can't prune them (cheaper-inference#4841)

Integrated into release/v3.8.37 — trayRuntime conflict resolved (kept release SYSTRAY_SPEC + added --save-exact); 2/2 green.

* fix(sse): preserve required fields in antigravity tool schemas (cheaper-inference#4843)

Integrated into release/v3.8.37 — conflict resolved (kept cheaper-inference#4740/cheaper-inference#4813 enumDescriptions strip + typed normalizeSchemaTypes, added required-preservation helpers; test-tail merged keeping both enumDescriptions + required tests); 7/7 green.

* chore(quality): rebaseline file-size for rc17b leva3 PR batch drift

* fix(sse): strip reasoning blobs from agentic context to prevent O(n^2) token growth (cheaper-inference#4849)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): unwrap Qoder HTTP 200 SSE error envelope so fallback can trigger (cheaper-inference#4850)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip temperature for Claude models with extended thinking (cheaper-inference#4853)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): emit valid concatenable kiro tool_calls.arguments deltas (cheaper-inference#4855)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(sse): add toggleable tool-source diagnostics (cheaper-inference#4856)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): redact api key from the AUTH debug log in the chat handler (cheaper-inference#4858)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): forward AI SDK image parts in Responses translator (cheaper-inference#4859)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): resolve custom combos by id and case-insensitive name (cheaper-inference#4446) (cheaper-inference#4869)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): exclude WS bridge controller-closed error from provider breaker (cheaper-inference#4602) (cheaper-inference#4870)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(providers): add xAI Grok inbound translators and thinking patcher (cheaper-inference#4910)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(embeddings): add dimensions override field to embedding combos (cheaper-inference#4913)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(oauth): Codex bulk-import endpoint — POST /api/oauth/codex/import (cheaper-inference#4914)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(antigravity): retry transient upstream failures (cheaper-inference#4941)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): surface malformed HTTP-200 upstream responses (cheaper-inference#4942)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): normalize Codex custom tools (apply_patch) to { input: string } schema (cheaper-inference#4862)

Integrated into release/v3.8.37 — conflict in request/openai-responses.ts resolved (kept cheaper-inference#4789 nameless-tool skip + added cheaper-inference#1007 custom-tool {input:string} normalization); 48/48 green incl. cheaper-inference#4789/cheaper-inference#4859 regression.

* fix(sse): dense, deterministic output ordering in Responses API response.completed (cheaper-inference#4906)

Integrated into release/v3.8.37 — manual integration with cheaper-inference#4862 in response/openai-responses.ts (custom-tool funcItem + dense recordCompletedItem). Fixed a latent cheaper-inference#4848 interaction: the close-reasoning-before-message guard force-closed <think>-tag reasoning prematurely, which dense output (cheaper-inference#4906) then snapshotted as a partial buffer ("plan" vs "planning") — scoped the guard to native reasoning_content (!inThinking) in BOTH transformer + translator paths. Full Responses suite 203/203 green incl. cheaper-inference#4848/cheaper-inference#4862 regression.

* feat(sse): auto-promote successful combo model to position cheaper-inference#1 (cheaper-inference#4852)

Integrated into release/v3.8.37 — dropped the stale file-size-baseline.json hunk (re-derived against the rc17b rebaseline); code+test applied clean; 13/13 green.

* feat(providers): add Pioneer AI (Fastino Labs) provider (cheaper-inference#4909)

Integrated into release/v3.8.37 — providers.ts apikey block re-homed onto god-file-split src/shared/constants/providers/apikey/frontier-labs.ts (inline APIKEY_PROVIDERS no longer exists); registry/pioneer + providers/index.ts applied clean; 6/6 green.

* add DGrid AI gateway provider (cheaper-inference#4931)

Integrated into release/v3.8.37 — rebased the contributor's commit onto the release tip; providers.ts god-file-split conflict resolved by relocating the dgrid APIKEY_PROVIDERS entry into apikey/gateways.ts; CHANGELOG added. 7/7 green. Thanks @dgridOP!

* chore(quality): rebaseline file-size for rc17b leva4 PR batch drift

* docs(routing): sync combo strategy docs for Fusion (17 strategies) (cheaper-inference#5067)

Fusion (16th strategy, panel fan-out + judge synthesis) and headroom
shipped but the strategy-count docs were stale (14/15) and omitted both.
Update every combo-strategy reference to the canonical 17, add fusion +
headroom to all strategy tables, and add a dedicated Fusion section to
AUTO-COMBO.md documenting judgeModel / fusionTuning config + an example.

- CLAUDE.md, README.md, FEATURES.md, RESILIENCE_GUIDE.md,
  ARCHITECTURE.md, OPEN_SSE_ARCHITECTURE.md, OMNIROUTE_VS_ALTERNATIVES.md,
  docs/README.md, request-pipeline.mmd: 14/15 -> 17, list fusion + headroom
- docs/routing/AUTO-COMBO.md: strategy table + new Fusion strategy section
- docs/openapi.yaml: add reset-window, headroom, fusion to the strategy enum

* fix(oauth): classify /api/oauth/cursor/auto-import as local-only (route-guard) (cheaper-inference#5070)

The Cursor auto-import route runs execFile("which", ["cursor"]) to verify a
local Cursor install before importing credentials — a child-process spawn. The
check:route-guard-membership gate (Hard Rules cheaper-inference#15/cheaper-inference#17) flagged it as an
unclassified spawn-capable route: reachable past the loopback gate, an
RCE-via-tunnel surface (a leaked JWT over a tunnel could trigger the spawn).

Classify the specific path in LOCAL_ONLY_API_PREFIXES so loopback enforcement
runs unconditionally before any auth check. Scoped to the exact path — the rest
of /api/oauth/ (browser redirect/callback flows) stays remote-reachable.

TDD: added a failing-then-passing assertion in route-guard-local-prefix.test.ts
(classification + an over-broadening guard proving sibling OAuth paths stay
remote). check:route-guard-membership now reports 0 new gaps.

* chore(release): v3.8.37 — 2026-06-26

---------

Co-authored-by: dgridOP <dgrid_op@outlook.com>
diegosouzapw added a commit that referenced this pull request Jun 26, 2026
…es + header casing + stale tests

The release/v3.8.38 tip had 7 red unit tests that check:release-green could not
catch (it does not run the unit suite). Two were genuine production regressions
from the leva-5 merge wave; three were stale tests behind intentional behavior
changes. Splitting them out so the release CI (#5078) goes green.

Production fixes (with failing→passing regression tests):
- diagnostics.detectMalformedNonStream: recognize Claude-native (`type:"message"`
  + content[]) responses so a valid /v1/messages completion to a Claude-compatible
  provider is not flagged malformed (spurious 502). Regression from #4942.
- responseSanitizer.sanitizeResponsesApiResponse: synthesize an output[] message
  item from an `output_text`-only body so the answer is not dropped (and not later
  flagged malformed). Regression from #4942.
- anthropicHeaders.normalizeAnthropicHeaderVariants: only collapse case variants
  when BOTH coexist (the real undici-merge collision), so a lone caller-supplied
  `Anthropic-Version`/`Anthropic-Beta` keeps its casing. Regression from #4846.

Test alignments (source was correct; expectations were stale):
- codebuddy-cn: reasoning is opt-in (#5019) — assert a plain request injects no
  reasoning_effort/reasoning_summary instead of the old forced 'medium'.
- providers-constants-split: APIKEY count 157 → 159 (DGrid #4931 + Pioneer #4909).
- db-core-init: invalid DATA_DIR now fails at module load via resolveWritableDataDir
  mkdir (EEXIST) since #4767 — assert the import rejects, not a lazy getDbInstance.
HouMinXi pushed a commit to HouMinXi/OmniRoute that referenced this pull request Aug 2, 2026
* chore(release): open v3.8.37 development cycle

* chore(ci): harden release flow — ratchet decoupling, fast-path drift gates, build-scope guard, heap default (cheaper-inference#5054)

Implements improvements 1-4 from the v3.8.36 release benchmark (_tasks/release-bench/v3.8.36/PLANO-MELHORIA.md):

1. Quality Ratchet decoupled from flaky coverage (ci.yml): the shard→coverage→ratchet
   chain meant a single flaky Coverage Shard SKIPPED the whole Quality Ratchet on the
   release PR (v3.8.36 cheaper-inference#4854), so cycle drift only surfaced post-merge in cheaper-inference#5029. The job
   now runs on !cancelled(); coverage download is continue-on-error and the ratchet runs
   --allow-missing, so the DETERMINISTIC gates (eslint/complexity/cognitive/duplication/
   codeql) stay blocking even when coverage is unavailable.

2. Fast-path drift gates (quality.yml PR→release): added check:complexity,
   check:cognitive-complexity, and a new lightweight check:pack-policy (pack-artifact
   unexpected-files check WITHOUT a build, via --policy-only) so drift + stray-tarball-file
   regressions are caught/rebaselined PER-PR instead of cascading onto the release PR.

3. Build heap default 4096→8192 MB (build-next-isolated.mjs): the clean graph peaks
   ~3.9 GB and brushed the old 4 GB ceiling; 8 GB gives headroom. Comment notes heap is
   NOT the fix for a poisoned scope (run check:build-scope instead).

4. check:build-scope gate (new): fails if .ts/.tsx/.js/.jsx files in the tsconfig scope
   exceed a threshold — catches worktrees/cruft leaking into the build scope (the v3.8.36
   OOM root cause: 355,215 vs 4,547 files) BEFORE it detonates next build. Wired into the
   fast-path.

* fix(auth): only trust forwarding headers from loopback TCP peers (cheaper-inference#4689)

Integrated into release/v3.8.37 — loopback-gated forwarding headers (IP spoofing fix). Cherry-picked onto current release tip; ipUtils.test.ts 9/9 green.

* fix(codex): treat OAuth 401 as unrecoverable refresh failure (cheaper-inference#4686)

Integrated into release/v3.8.37 — codex OAuth 401 treated as unrecoverable refresh. Cherry-picked onto release tip; token-refresh-service.test.ts 38/38 green.

* fix(translator): preserve reasoning_effort for non-Copilot Responses clients (cheaper-inference#4688)

Integrated into release/v3.8.37 — preserve reasoning_effort for non-Copilot Responses clients. Cherry-picked onto release tip; tests 47/47 green.

* fix(translator): coerce tool descriptions to strings in OpenAI normalization (cheaper-inference#4675)

Integrated into release/v3.8.37 — coerce tool descriptions to strings in OpenAI normalization. Cherry-picked onto release tip; tests 3/3 green.

* feat(sse): x-omniroute-strip-reasoning header to drop reasoning_content (cheaper-inference#4678)

Integrated into release/v3.8.37 — x-omniroute-strip-reasoning header. Cherry-picked onto release tip (resolved chatCore.ts/headers.ts adjacency conflict, kept resolveCompressionHeader + isStripReasoningRequested); tests 8/8 green.

* fix(combo): flatten Anthropic tool messages + tool history to prevent upstream 503 (cheaper-inference#4648)

Integrated into release/v3.8.37 — flattenToolHistory helper (combo anti-503). Cherry-picked onto release tip; tests 9/9 green.

* feat(headroom): proxy lifecycle management + dashboard UI (Docker sidecar supported) (cheaper-inference#4649)

Integrated into release/v3.8.37 — headroom proxy lifecycle (status/start/stop, local-only + spawn-capable per Rules cheaper-inference#15/cheaper-inference#17). Cherry-picked onto release tip; lifecycle 7/7 + route-guard 43/43 + check:cycles green.

* feat(cli): multi-model support for Factory Droid CLI (cheaper-inference#4682)

Integrated into release/v3.8.37 — Factory Droid multi-model support. Cherry-picked onto release tip (kept readJsoncConfig + droidCustomModels imports); droid-custom-models 11/11 green.

* fix(providers): require Default Model in compatible-provider API-key setup (cheaper-inference#4641)

Integrated into release/v3.8.37 — require Default Model in compatible-provider API-key setup. Cherry-picked fix + test-move onto release tip (kept release providerSpecificData + QuotaScrapingFields; fixed moved-test import path; baseline rebaseline unneeded, 865<866); UI test 2/2 green.

* fix(dashboard): stop double-masking already-masked API key in list (E2E 3/9 regression) (cheaper-inference#4671)

Integrated into release/v3.8.37 — render server-masked key verbatim (drop redundant maskKey call). Note: release's maskKey already guards '****' (since v3.8.34), so this is a safe simplification; added a contract test pinning the **** passthrough invariant (2/2 green, would fail against the pre-guard maskKey = the historical double-mask bug).

* chore(quality): rebaseline file-size for rc17 PR batch drift

Own growth from the merged rc17 PRs (cheaper-inference#4678/cheaper-inference#4686/cheaper-inference#4688) at existing chokepoints —
cohesive, not extractable:
- open-sse/handlers/responseSanitizer.ts 1103->1122 (SanitizeOpenAIResponseOptions + stripReasoning, cheaper-inference#4678)
- open-sse/services/tokenRefresh.ts 2070->2090 (codex 401 unrecoverable-refresh guard, cheaper-inference#4686)
- tests/unit/token-refresh-service.test.ts 1322->1353 (401 regression case, cheaper-inference#4686)
- tests/unit/translator-openai-responses-req.test.ts 1047->1050 (reasoning_effort assertion, cheaper-inference#4688)

* docs(env): document HEADROOM_URL in .env.example + ENVIRONMENT.md

The headroom proxy lifecycle (cheaper-inference#4649) reads HEADROOM_URL (src/lib/headroom/detect.ts,
default http://localhost:8787) but it was missing from the env contract, tripping
check:env-doc-sync. Adds the var to both .env.example (commented, has a default) and
the Proxy Health table in ENVIRONMENT.md.

* fix(sse): stream writer mock abort() returns a Promise (cheaper-inference#4788)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(cli): fall back to default data dir when DATA_DIR is not writable (cheaper-inference#4767)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(oauth): verify Cursor installation on Linux before auto-import (cheaper-inference#4770)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): track Ollama streaming usage from raw NDJSON chunks (cheaper-inference#4754)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): strip enumDescriptions from antigravity tool schema (cheaper-inference#4740)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): include low-level cause details in formatProviderError (cheaper-inference#4741)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(translator): strip x-anthropic-billing-header in claude-to-openai (cheaper-inference#4728)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): gate Kiro image attachments behind a Claude-capability check (cheaper-inference#4763)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): read Antigravity usage from the response.usageMetadata envelope (cheaper-inference#4785)

Integrated into release/v3.8.37 — Antigravity response.usageMetadata envelope. Cherry-picked onto release tip (resolved test-tail adjacency with cheaper-inference#4754 Ollama block); usage-extractor 23/23 green.

* fix(api): fall back to existing access token for any OAuth provider on refresh failure (cheaper-inference#4786)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(cli): verify launchd registration + skip self-SIGTERM in macOS autostart (cheaper-inference#4765)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(executors): anthropic-compatible-* gateways get Bearer alongside x-api-key (cheaper-inference#4729)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): json_schema fallback for OpenAI-compatible providers (cheaper-inference#4766)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): use workos auth token shape for cline (cheaper-inference#4787)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* feat(sse): parse Gemini CLI 429 retryDelay from structured RetryInfo (cheaper-inference#4738)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): finalize tool_calls finish_reason on early stream end in OpenAI Responses translator (cheaper-inference#4764)

Integrated into release/v3.8.37 — computeFinishReason finalizes tool_calls on early stream end (Responses translator). Cherry-picked onto release tip; responses-translation-fixes 29/29 green.

* test(sse): golden-lock provider.ts translate-path across all providers (cheaper-inference#4734)

Integrated into release/v3.8.37 — golden-lock for provider.ts translate-path. Cherry-picked onto release tip; snapshot regenerated against the current provider set (UPDATE_GOLDEN=1, 167 entries); golden test 3/3 deterministic.

* chore(quality): rebaseline file-size for rc17 leva2 PR batch drift

Own growth from the merged leva2 PRs (cohesive, not extractable):
- src/lib/usage/providerLimits.ts 950->955 (cheaper-inference#4786)
- open-sse/executors/default.ts NEW frozen @828 (cheaper-inference#4729 + cheaper-inference#4766 + cheaper-inference#4787 header branches)
- open-sse/translator/request/openai-to-kiro.ts 807->814 (cheaper-inference#4763)
- open-sse/translator/response/openai-responses.ts 923->937 (cheaper-inference#4764)
- tests/unit/executor-default-base.test.ts 1339->1440 (cheaper-inference#4766)
- tests/unit/translator-openai-to-kiro.test.ts 918->980 (cheaper-inference#4763)

* fix(dashboard): align Engine Combos editor engines with API schema (cheaper-inference#4955) (cheaper-inference#5062)

The named-combos pipeline dropdown offered four engines (headroom,
session-dedup, ccr, llmlingua) that stackedPipelineStepSchema rejects, so
selecting one made PUT /api/context/combos/[id] return HTTP 400 while
saveCombo swallowed the non-OK response (if (!res.ok) return). Editing the
default 'Standard Savings' combo and changing an engine reproduced the 400.

- Add canonical STACKED_PIPELINE_ENGINE_INTENSITIES next to the schema as the
  single source of truth; the client dropdown imports it so it can never drift
  from the discriminated union the API validates against.
- Surface save errors and empty-name/empty-pipeline validation in the editor
  instead of failing silently.
- Add a parity unit test asserting the UI engine map equals the schema union
  and that every (engine, intensity) the UI emits is accepted.

* fix(sse): filter nameless hosted tools when converting Responses API to Chat format (cheaper-inference#4789)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(dashboard): keep desktop sidebar visible via explicit CSS class (cheaper-inference#4812)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip enumDescriptions from Antigravity tool schemas (cheaper-inference#4813)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(dashboard): resolve passthrough model aliases by providerId in ModelSelectModal (cheaper-inference#4815)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(oauth): allow per-connection refresh lead-time override via providerSpecificData.refreshLeadMs (cheaper-inference#4818)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip X-Stainless-* headers and normalize SDK User-Agent for OpenAI-compatible endpoints (cheaper-inference#4820)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip Gemini built-in tools when functionDeclarations present in Antigravity envelope (cheaper-inference#4821)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(api): surface a Docker-localhost hint on provider-node validation connection errors (cheaper-inference#4822)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): resolve bare model names to connection defaultModel before upstream calls (cheaper-inference#4825)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(build): trace-include sql.js sql-wasm.wasm in standalone bundle (cheaper-inference#4839)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip Composer <|final|> sentinel markers leaking after Composer reasoning (cheaper-inference#4842)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(config): sync full SiliconFlow model list into registry (cheaper-inference#4844)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): close reasoning before message content in Responses stream (cheaper-inference#4848)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): reject unsupported Kiro [1m] context suffix (cheaper-inference#4816)

Integrated into release/v3.8.37 — cherry-picked onto release tip; test-tail conflict with cheaper-inference#4763 resolved (kept both image + [1m] test blocks); CHANGELOG re-merged; 29/29 green.

* fix(db): validate HuggingFace tokens via whoami-v2 auth probe (cheaper-inference#4819)

Integrated into release/v3.8.37 — defining commit re-homed onto the god-file-split validation module (validateHuggingFaceProvider in validation/openaiFormat.ts + map wiring); 115/115 green.

* fix(sse): make anthropic-version default-guard case-insensitive (cheaper-inference#4823)

Integrated into release/v3.8.37 — conflict with cheaper-inference#4729 Bearer-fallback resolved (kept both Bearer fallback + case-insensitive anthropic-version guard); 48/48 green.

* fix(sse): sanitize Kiro tool schemas to avoid 400 "Improperly formed request" (cheaper-inference#4847)

Integrated into release/v3.8.37 — conflict in kiro-to-openai.ts resolved (kept release fallbackToolCallId + adopted cheaper-inference#1375 toolNameMap remap); 7/7 green.

* feat(sse): add GPT-4 to the GitHub Copilot provider (cheaper-inference#4798)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(sse): add GPT-4o mini to GitHub Copilot provider (cheaper-inference#4797)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(api): add MiniMax-M3 pricing row (cheaper-inference#4814)

Integrated into release/v3.8.37 — pricing row re-homed onto god-file-split pricing/regional.ts (pricing.ts is now a barrel); 4/4 green.

* fix(cli): save runtime deps with --save-exact so a sibling install can't prune them (cheaper-inference#4841)

Integrated into release/v3.8.37 — trayRuntime conflict resolved (kept release SYSTRAY_SPEC + added --save-exact); 2/2 green.

* fix(sse): preserve required fields in antigravity tool schemas (cheaper-inference#4843)

Integrated into release/v3.8.37 — conflict resolved (kept cheaper-inference#4740/cheaper-inference#4813 enumDescriptions strip + typed normalizeSchemaTypes, added required-preservation helpers; test-tail merged keeping both enumDescriptions + required tests); 7/7 green.

* chore(quality): rebaseline file-size for rc17b leva3 PR batch drift

* fix(sse): strip reasoning blobs from agentic context to prevent O(n^2) token growth (cheaper-inference#4849)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): unwrap Qoder HTTP 200 SSE error envelope so fallback can trigger (cheaper-inference#4850)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip temperature for Claude models with extended thinking (cheaper-inference#4853)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): emit valid concatenable kiro tool_calls.arguments deltas (cheaper-inference#4855)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(sse): add toggleable tool-source diagnostics (cheaper-inference#4856)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): redact api key from the AUTH debug log in the chat handler (cheaper-inference#4858)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): forward AI SDK image parts in Responses translator (cheaper-inference#4859)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): resolve custom combos by id and case-insensitive name (cheaper-inference#4446) (cheaper-inference#4869)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): exclude WS bridge controller-closed error from provider breaker (cheaper-inference#4602) (cheaper-inference#4870)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(providers): add xAI Grok inbound translators and thinking patcher (cheaper-inference#4910)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(embeddings): add dimensions override field to embedding combos (cheaper-inference#4913)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(oauth): Codex bulk-import endpoint — POST /api/oauth/codex/import (cheaper-inference#4914)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(antigravity): retry transient upstream failures (cheaper-inference#4941)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): surface malformed HTTP-200 upstream responses (cheaper-inference#4942)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): normalize Codex custom tools (apply_patch) to { input: string } schema (cheaper-inference#4862)

Integrated into release/v3.8.37 — conflict in request/openai-responses.ts resolved (kept cheaper-inference#4789 nameless-tool skip + added cheaper-inference#1007 custom-tool {input:string} normalization); 48/48 green incl. cheaper-inference#4789/cheaper-inference#4859 regression.

* fix(sse): dense, deterministic output ordering in Responses API response.completed (cheaper-inference#4906)

Integrated into release/v3.8.37 — manual integration with cheaper-inference#4862 in response/openai-responses.ts (custom-tool funcItem + dense recordCompletedItem). Fixed a latent cheaper-inference#4848 interaction: the close-reasoning-before-message guard force-closed <think>-tag reasoning prematurely, which dense output (cheaper-inference#4906) then snapshotted as a partial buffer ("plan" vs "planning") — scoped the guard to native reasoning_content (!inThinking) in BOTH transformer + translator paths. Full Responses suite 203/203 green incl. cheaper-inference#4848/cheaper-inference#4862 regression.

* feat(sse): auto-promote successful combo model to position #1 (cheaper-inference#4852)

Integrated into release/v3.8.37 — dropped the stale file-size-baseline.json hunk (re-derived against the rc17b rebaseline); code+test applied clean; 13/13 green.

* feat(providers): add Pioneer AI (Fastino Labs) provider (cheaper-inference#4909)

Integrated into release/v3.8.37 — providers.ts apikey block re-homed onto god-file-split src/shared/constants/providers/apikey/frontier-labs.ts (inline APIKEY_PROVIDERS no longer exists); registry/pioneer + providers/index.ts applied clean; 6/6 green.

* add DGrid AI gateway provider (cheaper-inference#4931)

Integrated into release/v3.8.37 — rebased the contributor's commit onto the release tip; providers.ts god-file-split conflict resolved by relocating the dgrid APIKEY_PROVIDERS entry into apikey/gateways.ts; CHANGELOG added. 7/7 green. Thanks @dgridOP!

* chore(quality): rebaseline file-size for rc17b leva4 PR batch drift

* docs(routing): sync combo strategy docs for Fusion (17 strategies) (cheaper-inference#5067)

Fusion (16th strategy, panel fan-out + judge synthesis) and headroom
shipped but the strategy-count docs were stale (14/15) and omitted both.
Update every combo-strategy reference to the canonical 17, add fusion +
headroom to all strategy tables, and add a dedicated Fusion section to
AUTO-COMBO.md documenting judgeModel / fusionTuning config + an example.

- CLAUDE.md, README.md, FEATURES.md, RESILIENCE_GUIDE.md,
  ARCHITECTURE.md, OPEN_SSE_ARCHITECTURE.md, OMNIROUTE_VS_ALTERNATIVES.md,
  docs/README.md, request-pipeline.mmd: 14/15 -> 17, list fusion + headroom
- docs/routing/AUTO-COMBO.md: strategy table + new Fusion strategy section
- docs/openapi.yaml: add reset-window, headroom, fusion to the strategy enum

* fix(oauth): classify /api/oauth/cursor/auto-import as local-only (route-guard) (cheaper-inference#5070)

The Cursor auto-import route runs execFile("which", ["cursor"]) to verify a
local Cursor install before importing credentials — a child-process spawn. The
check:route-guard-membership gate (Hard Rules cheaper-inference#15/cheaper-inference#17) flagged it as an
unclassified spawn-capable route: reachable past the loopback gate, an
RCE-via-tunnel surface (a leaked JWT over a tunnel could trigger the spawn).

Classify the specific path in LOCAL_ONLY_API_PREFIXES so loopback enforcement
runs unconditionally before any auth check. Scoped to the exact path — the rest
of /api/oauth/ (browser redirect/callback flows) stays remote-reachable.

TDD: added a failing-then-passing assertion in route-guard-local-prefix.test.ts
(classification + an over-broadening guard proving sibling OAuth paths stay
remote). check:route-guard-membership now reports 0 new gaps.

* chore(release): v3.8.37 — 2026-06-26

---------

Co-authored-by: dgridOP <dgrid_op@outlook.com>
Poid-ZA pushed a commit to Poid-ZA/OmniRoute that referenced this pull request Aug 5, 2026
* chore(release): open v3.8.37 development cycle

* chore(ci): harden release flow — ratchet decoupling, fast-path drift gates, build-scope guard, heap default (cheaper-inference#5054)

Implements improvements 1-4 from the v3.8.36 release benchmark (_tasks/release-bench/v3.8.36/PLANO-MELHORIA.md):

1. Quality Ratchet decoupled from flaky coverage (ci.yml): the shard→coverage→ratchet
   chain meant a single flaky Coverage Shard SKIPPED the whole Quality Ratchet on the
   release PR (v3.8.36 cheaper-inference#4854), so cycle drift only surfaced post-merge in cheaper-inference#5029. The job
   now runs on !cancelled(); coverage download is continue-on-error and the ratchet runs
   --allow-missing, so the DETERMINISTIC gates (eslint/complexity/cognitive/duplication/
   codeql) stay blocking even when coverage is unavailable.

2. Fast-path drift gates (quality.yml PR→release): added check:complexity,
   check:cognitive-complexity, and a new lightweight check:pack-policy (pack-artifact
   unexpected-files check WITHOUT a build, via --policy-only) so drift + stray-tarball-file
   regressions are caught/rebaselined PER-PR instead of cascading onto the release PR.

3. Build heap default 4096→8192 MB (build-next-isolated.mjs): the clean graph peaks
   ~3.9 GB and brushed the old 4 GB ceiling; 8 GB gives headroom. Comment notes heap is
   NOT the fix for a poisoned scope (run check:build-scope instead).

4. check:build-scope gate (new): fails if .ts/.tsx/.js/.jsx files in the tsconfig scope
   exceed a threshold — catches worktrees/cruft leaking into the build scope (the v3.8.36
   OOM root cause: 355,215 vs 4,547 files) BEFORE it detonates next build. Wired into the
   fast-path.

* fix(auth): only trust forwarding headers from loopback TCP peers (cheaper-inference#4689)

Integrated into release/v3.8.37 — loopback-gated forwarding headers (IP spoofing fix). Cherry-picked onto current release tip; ipUtils.test.ts 9/9 green.

* fix(codex): treat OAuth 401 as unrecoverable refresh failure (cheaper-inference#4686)

Integrated into release/v3.8.37 — codex OAuth 401 treated as unrecoverable refresh. Cherry-picked onto release tip; token-refresh-service.test.ts 38/38 green.

* fix(translator): preserve reasoning_effort for non-Copilot Responses clients (cheaper-inference#4688)

Integrated into release/v3.8.37 — preserve reasoning_effort for non-Copilot Responses clients. Cherry-picked onto release tip; tests 47/47 green.

* fix(translator): coerce tool descriptions to strings in OpenAI normalization (cheaper-inference#4675)

Integrated into release/v3.8.37 — coerce tool descriptions to strings in OpenAI normalization. Cherry-picked onto release tip; tests 3/3 green.

* feat(sse): x-omniroute-strip-reasoning header to drop reasoning_content (cheaper-inference#4678)

Integrated into release/v3.8.37 — x-omniroute-strip-reasoning header. Cherry-picked onto release tip (resolved chatCore.ts/headers.ts adjacency conflict, kept resolveCompressionHeader + isStripReasoningRequested); tests 8/8 green.

* fix(combo): flatten Anthropic tool messages + tool history to prevent upstream 503 (cheaper-inference#4648)

Integrated into release/v3.8.37 — flattenToolHistory helper (combo anti-503). Cherry-picked onto release tip; tests 9/9 green.

* feat(headroom): proxy lifecycle management + dashboard UI (Docker sidecar supported) (cheaper-inference#4649)

Integrated into release/v3.8.37 — headroom proxy lifecycle (status/start/stop, local-only + spawn-capable per Rules cheaper-inference#15/cheaper-inference#17). Cherry-picked onto release tip; lifecycle 7/7 + route-guard 43/43 + check:cycles green.

* feat(cli): multi-model support for Factory Droid CLI (cheaper-inference#4682)

Integrated into release/v3.8.37 — Factory Droid multi-model support. Cherry-picked onto release tip (kept readJsoncConfig + droidCustomModels imports); droid-custom-models 11/11 green.

* fix(providers): require Default Model in compatible-provider API-key setup (cheaper-inference#4641)

Integrated into release/v3.8.37 — require Default Model in compatible-provider API-key setup. Cherry-picked fix + test-move onto release tip (kept release providerSpecificData + QuotaScrapingFields; fixed moved-test import path; baseline rebaseline unneeded, 865<866); UI test 2/2 green.

* fix(dashboard): stop double-masking already-masked API key in list (E2E 3/9 regression) (cheaper-inference#4671)

Integrated into release/v3.8.37 — render server-masked key verbatim (drop redundant maskKey call). Note: release's maskKey already guards '****' (since v3.8.34), so this is a safe simplification; added a contract test pinning the **** passthrough invariant (2/2 green, would fail against the pre-guard maskKey = the historical double-mask bug).

* chore(quality): rebaseline file-size for rc17 PR batch drift

Own growth from the merged rc17 PRs (cheaper-inference#4678/cheaper-inference#4686/cheaper-inference#4688) at existing chokepoints —
cohesive, not extractable:
- open-sse/handlers/responseSanitizer.ts 1103->1122 (SanitizeOpenAIResponseOptions + stripReasoning, cheaper-inference#4678)
- open-sse/services/tokenRefresh.ts 2070->2090 (codex 401 unrecoverable-refresh guard, cheaper-inference#4686)
- tests/unit/token-refresh-service.test.ts 1322->1353 (401 regression case, cheaper-inference#4686)
- tests/unit/translator-openai-responses-req.test.ts 1047->1050 (reasoning_effort assertion, cheaper-inference#4688)

* docs(env): document HEADROOM_URL in .env.example + ENVIRONMENT.md

The headroom proxy lifecycle (cheaper-inference#4649) reads HEADROOM_URL (src/lib/headroom/detect.ts,
default http://localhost:8787) but it was missing from the env contract, tripping
check:env-doc-sync. Adds the var to both .env.example (commented, has a default) and
the Proxy Health table in ENVIRONMENT.md.

* fix(sse): stream writer mock abort() returns a Promise (cheaper-inference#4788)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(cli): fall back to default data dir when DATA_DIR is not writable (cheaper-inference#4767)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(oauth): verify Cursor installation on Linux before auto-import (cheaper-inference#4770)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): track Ollama streaming usage from raw NDJSON chunks (cheaper-inference#4754)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): strip enumDescriptions from antigravity tool schema (cheaper-inference#4740)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): include low-level cause details in formatProviderError (cheaper-inference#4741)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(translator): strip x-anthropic-billing-header in claude-to-openai (cheaper-inference#4728)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): gate Kiro image attachments behind a Claude-capability check (cheaper-inference#4763)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): read Antigravity usage from the response.usageMetadata envelope (cheaper-inference#4785)

Integrated into release/v3.8.37 — Antigravity response.usageMetadata envelope. Cherry-picked onto release tip (resolved test-tail adjacency with cheaper-inference#4754 Ollama block); usage-extractor 23/23 green.

* fix(api): fall back to existing access token for any OAuth provider on refresh failure (cheaper-inference#4786)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(cli): verify launchd registration + skip self-SIGTERM in macOS autostart (cheaper-inference#4765)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(executors): anthropic-compatible-* gateways get Bearer alongside x-api-key (cheaper-inference#4729)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): json_schema fallback for OpenAI-compatible providers (cheaper-inference#4766)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): use workos auth token shape for cline (cheaper-inference#4787)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* feat(sse): parse Gemini CLI 429 retryDelay from structured RetryInfo (cheaper-inference#4738)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): finalize tool_calls finish_reason on early stream end in OpenAI Responses translator (cheaper-inference#4764)

Integrated into release/v3.8.37 — computeFinishReason finalizes tool_calls on early stream end (Responses translator). Cherry-picked onto release tip; responses-translation-fixes 29/29 green.

* test(sse): golden-lock provider.ts translate-path across all providers (cheaper-inference#4734)

Integrated into release/v3.8.37 — golden-lock for provider.ts translate-path. Cherry-picked onto release tip; snapshot regenerated against the current provider set (UPDATE_GOLDEN=1, 167 entries); golden test 3/3 deterministic.

* chore(quality): rebaseline file-size for rc17 leva2 PR batch drift

Own growth from the merged leva2 PRs (cohesive, not extractable):
- src/lib/usage/providerLimits.ts 950->955 (cheaper-inference#4786)
- open-sse/executors/default.ts NEW frozen @828 (cheaper-inference#4729 + cheaper-inference#4766 + cheaper-inference#4787 header branches)
- open-sse/translator/request/openai-to-kiro.ts 807->814 (cheaper-inference#4763)
- open-sse/translator/response/openai-responses.ts 923->937 (cheaper-inference#4764)
- tests/unit/executor-default-base.test.ts 1339->1440 (cheaper-inference#4766)
- tests/unit/translator-openai-to-kiro.test.ts 918->980 (cheaper-inference#4763)

* fix(dashboard): align Engine Combos editor engines with API schema (cheaper-inference#4955) (cheaper-inference#5062)

The named-combos pipeline dropdown offered four engines (headroom,
session-dedup, ccr, llmlingua) that stackedPipelineStepSchema rejects, so
selecting one made PUT /api/context/combos/[id] return HTTP 400 while
saveCombo swallowed the non-OK response (if (!res.ok) return). Editing the
default 'Standard Savings' combo and changing an engine reproduced the 400.

- Add canonical STACKED_PIPELINE_ENGINE_INTENSITIES next to the schema as the
  single source of truth; the client dropdown imports it so it can never drift
  from the discriminated union the API validates against.
- Surface save errors and empty-name/empty-pipeline validation in the editor
  instead of failing silently.
- Add a parity unit test asserting the UI engine map equals the schema union
  and that every (engine, intensity) the UI emits is accepted.

* fix(sse): filter nameless hosted tools when converting Responses API to Chat format (cheaper-inference#4789)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(dashboard): keep desktop sidebar visible via explicit CSS class (cheaper-inference#4812)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip enumDescriptions from Antigravity tool schemas (cheaper-inference#4813)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(dashboard): resolve passthrough model aliases by providerId in ModelSelectModal (cheaper-inference#4815)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(oauth): allow per-connection refresh lead-time override via providerSpecificData.refreshLeadMs (cheaper-inference#4818)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip X-Stainless-* headers and normalize SDK User-Agent for OpenAI-compatible endpoints (cheaper-inference#4820)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip Gemini built-in tools when functionDeclarations present in Antigravity envelope (cheaper-inference#4821)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(api): surface a Docker-localhost hint on provider-node validation connection errors (cheaper-inference#4822)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): resolve bare model names to connection defaultModel before upstream calls (cheaper-inference#4825)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(build): trace-include sql.js sql-wasm.wasm in standalone bundle (cheaper-inference#4839)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip Composer <|final|> sentinel markers leaking after Composer reasoning (cheaper-inference#4842)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(config): sync full SiliconFlow model list into registry (cheaper-inference#4844)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): close reasoning before message content in Responses stream (cheaper-inference#4848)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): reject unsupported Kiro [1m] context suffix (cheaper-inference#4816)

Integrated into release/v3.8.37 — cherry-picked onto release tip; test-tail conflict with cheaper-inference#4763 resolved (kept both image + [1m] test blocks); CHANGELOG re-merged; 29/29 green.

* fix(db): validate HuggingFace tokens via whoami-v2 auth probe (cheaper-inference#4819)

Integrated into release/v3.8.37 — defining commit re-homed onto the god-file-split validation module (validateHuggingFaceProvider in validation/openaiFormat.ts + map wiring); 115/115 green.

* fix(sse): make anthropic-version default-guard case-insensitive (cheaper-inference#4823)

Integrated into release/v3.8.37 — conflict with cheaper-inference#4729 Bearer-fallback resolved (kept both Bearer fallback + case-insensitive anthropic-version guard); 48/48 green.

* fix(sse): sanitize Kiro tool schemas to avoid 400 "Improperly formed request" (cheaper-inference#4847)

Integrated into release/v3.8.37 — conflict in kiro-to-openai.ts resolved (kept release fallbackToolCallId + adopted cheaper-inference#1375 toolNameMap remap); 7/7 green.

* feat(sse): add GPT-4 to the GitHub Copilot provider (cheaper-inference#4798)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(sse): add GPT-4o mini to GitHub Copilot provider (cheaper-inference#4797)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(api): add MiniMax-M3 pricing row (cheaper-inference#4814)

Integrated into release/v3.8.37 — pricing row re-homed onto god-file-split pricing/regional.ts (pricing.ts is now a barrel); 4/4 green.

* fix(cli): save runtime deps with --save-exact so a sibling install can't prune them (cheaper-inference#4841)

Integrated into release/v3.8.37 — trayRuntime conflict resolved (kept release SYSTRAY_SPEC + added --save-exact); 2/2 green.

* fix(sse): preserve required fields in antigravity tool schemas (cheaper-inference#4843)

Integrated into release/v3.8.37 — conflict resolved (kept cheaper-inference#4740/cheaper-inference#4813 enumDescriptions strip + typed normalizeSchemaTypes, added required-preservation helpers; test-tail merged keeping both enumDescriptions + required tests); 7/7 green.

* chore(quality): rebaseline file-size for rc17b leva3 PR batch drift

* fix(sse): strip reasoning blobs from agentic context to prevent O(n^2) token growth (cheaper-inference#4849)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): unwrap Qoder HTTP 200 SSE error envelope so fallback can trigger (cheaper-inference#4850)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip temperature for Claude models with extended thinking (cheaper-inference#4853)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): emit valid concatenable kiro tool_calls.arguments deltas (cheaper-inference#4855)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(sse): add toggleable tool-source diagnostics (cheaper-inference#4856)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): redact api key from the AUTH debug log in the chat handler (cheaper-inference#4858)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): forward AI SDK image parts in Responses translator (cheaper-inference#4859)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): resolve custom combos by id and case-insensitive name (cheaper-inference#4446) (cheaper-inference#4869)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): exclude WS bridge controller-closed error from provider breaker (cheaper-inference#4602) (cheaper-inference#4870)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(providers): add xAI Grok inbound translators and thinking patcher (cheaper-inference#4910)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(embeddings): add dimensions override field to embedding combos (cheaper-inference#4913)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(oauth): Codex bulk-import endpoint — POST /api/oauth/codex/import (cheaper-inference#4914)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(antigravity): retry transient upstream failures (cheaper-inference#4941)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): surface malformed HTTP-200 upstream responses (cheaper-inference#4942)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): normalize Codex custom tools (apply_patch) to { input: string } schema (cheaper-inference#4862)

Integrated into release/v3.8.37 — conflict in request/openai-responses.ts resolved (kept cheaper-inference#4789 nameless-tool skip + added cheaper-inference#1007 custom-tool {input:string} normalization); 48/48 green incl. cheaper-inference#4789/cheaper-inference#4859 regression.

* fix(sse): dense, deterministic output ordering in Responses API response.completed (cheaper-inference#4906)

Integrated into release/v3.8.37 — manual integration with cheaper-inference#4862 in response/openai-responses.ts (custom-tool funcItem + dense recordCompletedItem). Fixed a latent cheaper-inference#4848 interaction: the close-reasoning-before-message guard force-closed <think>-tag reasoning prematurely, which dense output (cheaper-inference#4906) then snapshotted as a partial buffer ("plan" vs "planning") — scoped the guard to native reasoning_content (!inThinking) in BOTH transformer + translator paths. Full Responses suite 203/203 green incl. cheaper-inference#4848/cheaper-inference#4862 regression.

* feat(sse): auto-promote successful combo model to position cheaper-inference#1 (cheaper-inference#4852)

Integrated into release/v3.8.37 — dropped the stale file-size-baseline.json hunk (re-derived against the rc17b rebaseline); code+test applied clean; 13/13 green.

* feat(providers): add Pioneer AI (Fastino Labs) provider (cheaper-inference#4909)

Integrated into release/v3.8.37 — providers.ts apikey block re-homed onto god-file-split src/shared/constants/providers/apikey/frontier-labs.ts (inline APIKEY_PROVIDERS no longer exists); registry/pioneer + providers/index.ts applied clean; 6/6 green.

* add DGrid AI gateway provider (cheaper-inference#4931)

Integrated into release/v3.8.37 — rebased the contributor's commit onto the release tip; providers.ts god-file-split conflict resolved by relocating the dgrid APIKEY_PROVIDERS entry into apikey/gateways.ts; CHANGELOG added. 7/7 green. Thanks @dgridOP!

* chore(quality): rebaseline file-size for rc17b leva4 PR batch drift

* docs(routing): sync combo strategy docs for Fusion (17 strategies) (cheaper-inference#5067)

Fusion (16th strategy, panel fan-out + judge synthesis) and headroom
shipped but the strategy-count docs were stale (14/15) and omitted both.
Update every combo-strategy reference to the canonical 17, add fusion +
headroom to all strategy tables, and add a dedicated Fusion section to
AUTO-COMBO.md documenting judgeModel / fusionTuning config + an example.

- CLAUDE.md, README.md, FEATURES.md, RESILIENCE_GUIDE.md,
  ARCHITECTURE.md, OPEN_SSE_ARCHITECTURE.md, OMNIROUTE_VS_ALTERNATIVES.md,
  docs/README.md, request-pipeline.mmd: 14/15 -> 17, list fusion + headroom
- docs/routing/AUTO-COMBO.md: strategy table + new Fusion strategy section
- docs/openapi.yaml: add reset-window, headroom, fusion to the strategy enum

* fix(oauth): classify /api/oauth/cursor/auto-import as local-only (route-guard) (cheaper-inference#5070)

The Cursor auto-import route runs execFile("which", ["cursor"]) to verify a
local Cursor install before importing credentials — a child-process spawn. The
check:route-guard-membership gate (Hard Rules cheaper-inference#15/cheaper-inference#17) flagged it as an
unclassified spawn-capable route: reachable past the loopback gate, an
RCE-via-tunnel surface (a leaked JWT over a tunnel could trigger the spawn).

Classify the specific path in LOCAL_ONLY_API_PREFIXES so loopback enforcement
runs unconditionally before any auth check. Scoped to the exact path — the rest
of /api/oauth/ (browser redirect/callback flows) stays remote-reachable.

TDD: added a failing-then-passing assertion in route-guard-local-prefix.test.ts
(classification + an over-broadening guard proving sibling OAuth paths stay
remote). check:route-guard-membership now reports 0 new gaps.

* chore(release): v3.8.37 — 2026-06-26

---------

Co-authored-by: dgridOP <dgrid_op@outlook.com>
tkgo11 pushed a commit to tkgo11/OmniRoute that referenced this pull request Sep 23, 2026
Integrated into release/v3.8.37 — rebased the contributor's commit onto the release tip; providers.ts god-file-split conflict resolved by relocating the dgrid APIKEY_PROVIDERS entry into apikey/gateways.ts; CHANGELOG added. 7/7 green. Thanks @dgridOP!
muhamadgalihsaputra pushed a commit to niyatna/NiyatnaRoute that referenced this pull request Sep 27, 2026
* chore(release): open v3.8.37 development cycle

* chore(ci): harden release flow — ratchet decoupling, fast-path drift gates, build-scope guard, heap default (cheaper-inference#5054)

Implements improvements 1-4 from the v3.8.36 release benchmark (_tasks/release-bench/v3.8.36/PLANO-MELHORIA.md):

1. Quality Ratchet decoupled from flaky coverage (ci.yml): the shard→coverage→ratchet
   chain meant a single flaky Coverage Shard SKIPPED the whole Quality Ratchet on the
   release PR (v3.8.36 cheaper-inference#4854), so cycle drift only surfaced post-merge in cheaper-inference#5029. The job
   now runs on !cancelled(); coverage download is continue-on-error and the ratchet runs
   --allow-missing, so the DETERMINISTIC gates (eslint/complexity/cognitive/duplication/
   codeql) stay blocking even when coverage is unavailable.

2. Fast-path drift gates (quality.yml PR→release): added check:complexity,
   check:cognitive-complexity, and a new lightweight check:pack-policy (pack-artifact
   unexpected-files check WITHOUT a build, via --policy-only) so drift + stray-tarball-file
   regressions are caught/rebaselined PER-PR instead of cascading onto the release PR.

3. Build heap default 4096→8192 MB (build-next-isolated.mjs): the clean graph peaks
   ~3.9 GB and brushed the old 4 GB ceiling; 8 GB gives headroom. Comment notes heap is
   NOT the fix for a poisoned scope (run check:build-scope instead).

4. check:build-scope gate (new): fails if .ts/.tsx/.js/.jsx files in the tsconfig scope
   exceed a threshold — catches worktrees/cruft leaking into the build scope (the v3.8.36
   OOM root cause: 355,215 vs 4,547 files) BEFORE it detonates next build. Wired into the
   fast-path.

* fix(auth): only trust forwarding headers from loopback TCP peers (cheaper-inference#4689)

Integrated into release/v3.8.37 — loopback-gated forwarding headers (IP spoofing fix). Cherry-picked onto current release tip; ipUtils.test.ts 9/9 green.

* fix(codex): treat OAuth 401 as unrecoverable refresh failure (cheaper-inference#4686)

Integrated into release/v3.8.37 — codex OAuth 401 treated as unrecoverable refresh. Cherry-picked onto release tip; token-refresh-service.test.ts 38/38 green.

* fix(translator): preserve reasoning_effort for non-Copilot Responses clients (cheaper-inference#4688)

Integrated into release/v3.8.37 — preserve reasoning_effort for non-Copilot Responses clients. Cherry-picked onto release tip; tests 47/47 green.

* fix(translator): coerce tool descriptions to strings in OpenAI normalization (cheaper-inference#4675)

Integrated into release/v3.8.37 — coerce tool descriptions to strings in OpenAI normalization. Cherry-picked onto release tip; tests 3/3 green.

* feat(sse): x-omniroute-strip-reasoning header to drop reasoning_content (cheaper-inference#4678)

Integrated into release/v3.8.37 — x-omniroute-strip-reasoning header. Cherry-picked onto release tip (resolved chatCore.ts/headers.ts adjacency conflict, kept resolveCompressionHeader + isStripReasoningRequested); tests 8/8 green.

* fix(combo): flatten Anthropic tool messages + tool history to prevent upstream 503 (cheaper-inference#4648)

Integrated into release/v3.8.37 — flattenToolHistory helper (combo anti-503). Cherry-picked onto release tip; tests 9/9 green.

* feat(headroom): proxy lifecycle management + dashboard UI (Docker sidecar supported) (cheaper-inference#4649)

Integrated into release/v3.8.37 — headroom proxy lifecycle (status/start/stop, local-only + spawn-capable per Rules cheaper-inference#15/cheaper-inference#17). Cherry-picked onto release tip; lifecycle 7/7 + route-guard 43/43 + check:cycles green.

* feat(cli): multi-model support for Factory Droid CLI (cheaper-inference#4682)

Integrated into release/v3.8.37 — Factory Droid multi-model support. Cherry-picked onto release tip (kept readJsoncConfig + droidCustomModels imports); droid-custom-models 11/11 green.

* fix(providers): require Default Model in compatible-provider API-key setup (cheaper-inference#4641)

Integrated into release/v3.8.37 — require Default Model in compatible-provider API-key setup. Cherry-picked fix + test-move onto release tip (kept release providerSpecificData + QuotaScrapingFields; fixed moved-test import path; baseline rebaseline unneeded, 865<866); UI test 2/2 green.

* fix(dashboard): stop double-masking already-masked API key in list (E2E 3/9 regression) (cheaper-inference#4671)

Integrated into release/v3.8.37 — render server-masked key verbatim (drop redundant maskKey call). Note: release's maskKey already guards '****' (since v3.8.34), so this is a safe simplification; added a contract test pinning the **** passthrough invariant (2/2 green, would fail against the pre-guard maskKey = the historical double-mask bug).

* chore(quality): rebaseline file-size for rc17 PR batch drift

Own growth from the merged rc17 PRs (cheaper-inference#4678/cheaper-inference#4686/cheaper-inference#4688) at existing chokepoints —
cohesive, not extractable:
- open-sse/handlers/responseSanitizer.ts 1103->1122 (SanitizeOpenAIResponseOptions + stripReasoning, cheaper-inference#4678)
- open-sse/services/tokenRefresh.ts 2070->2090 (codex 401 unrecoverable-refresh guard, cheaper-inference#4686)
- tests/unit/token-refresh-service.test.ts 1322->1353 (401 regression case, cheaper-inference#4686)
- tests/unit/translator-openai-responses-req.test.ts 1047->1050 (reasoning_effort assertion, cheaper-inference#4688)

* docs(env): document HEADROOM_URL in .env.example + ENVIRONMENT.md

The headroom proxy lifecycle (cheaper-inference#4649) reads HEADROOM_URL (src/lib/headroom/detect.ts,
default http://localhost:8787) but it was missing from the env contract, tripping
check:env-doc-sync. Adds the var to both .env.example (commented, has a default) and
the Proxy Health table in ENVIRONMENT.md.

* fix(sse): stream writer mock abort() returns a Promise (cheaper-inference#4788)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(cli): fall back to default data dir when DATA_DIR is not writable (cheaper-inference#4767)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(oauth): verify Cursor installation on Linux before auto-import (cheaper-inference#4770)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): track Ollama streaming usage from raw NDJSON chunks (cheaper-inference#4754)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): strip enumDescriptions from antigravity tool schema (cheaper-inference#4740)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): include low-level cause details in formatProviderError (cheaper-inference#4741)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(translator): strip x-anthropic-billing-header in claude-to-openai (cheaper-inference#4728)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): gate Kiro image attachments behind a Claude-capability check (cheaper-inference#4763)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): read Antigravity usage from the response.usageMetadata envelope (cheaper-inference#4785)

Integrated into release/v3.8.37 — Antigravity response.usageMetadata envelope. Cherry-picked onto release tip (resolved test-tail adjacency with cheaper-inference#4754 Ollama block); usage-extractor 23/23 green.

* fix(api): fall back to existing access token for any OAuth provider on refresh failure (cheaper-inference#4786)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(cli): verify launchd registration + skip self-SIGTERM in macOS autostart (cheaper-inference#4765)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(executors): anthropic-compatible-* gateways get Bearer alongside x-api-key (cheaper-inference#4729)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): json_schema fallback for OpenAI-compatible providers (cheaper-inference#4766)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): use workos auth token shape for cline (cheaper-inference#4787)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* feat(sse): parse Gemini CLI 429 retryDelay from structured RetryInfo (cheaper-inference#4738)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; tests green.

* fix(sse): finalize tool_calls finish_reason on early stream end in OpenAI Responses translator (cheaper-inference#4764)

Integrated into release/v3.8.37 — computeFinishReason finalizes tool_calls on early stream end (Responses translator). Cherry-picked onto release tip; responses-translation-fixes 29/29 green.

* test(sse): golden-lock provider.ts translate-path across all providers (cheaper-inference#4734)

Integrated into release/v3.8.37 — golden-lock for provider.ts translate-path. Cherry-picked onto release tip; snapshot regenerated against the current provider set (UPDATE_GOLDEN=1, 167 entries); golden test 3/3 deterministic.

* chore(quality): rebaseline file-size for rc17 leva2 PR batch drift

Own growth from the merged leva2 PRs (cohesive, not extractable):
- src/lib/usage/providerLimits.ts 950->955 (cheaper-inference#4786)
- open-sse/executors/default.ts NEW frozen @828 (cheaper-inference#4729 + cheaper-inference#4766 + cheaper-inference#4787 header branches)
- open-sse/translator/request/openai-to-kiro.ts 807->814 (cheaper-inference#4763)
- open-sse/translator/response/openai-responses.ts 923->937 (cheaper-inference#4764)
- tests/unit/executor-default-base.test.ts 1339->1440 (cheaper-inference#4766)
- tests/unit/translator-openai-to-kiro.test.ts 918->980 (cheaper-inference#4763)

* fix(dashboard): align Engine Combos editor engines with API schema (cheaper-inference#4955) (cheaper-inference#5062)

The named-combos pipeline dropdown offered four engines (headroom,
session-dedup, ccr, llmlingua) that stackedPipelineStepSchema rejects, so
selecting one made PUT /api/context/combos/[id] return HTTP 400 while
saveCombo swallowed the non-OK response (if (!res.ok) return). Editing the
default 'Standard Savings' combo and changing an engine reproduced the 400.

- Add canonical STACKED_PIPELINE_ENGINE_INTENSITIES next to the schema as the
  single source of truth; the client dropdown imports it so it can never drift
  from the discriminated union the API validates against.
- Surface save errors and empty-name/empty-pipeline validation in the editor
  instead of failing silently.
- Add a parity unit test asserting the UI engine map equals the schema union
  and that every (engine, intensity) the UI emits is accepted.

* fix(sse): filter nameless hosted tools when converting Responses API to Chat format (cheaper-inference#4789)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(dashboard): keep desktop sidebar visible via explicit CSS class (cheaper-inference#4812)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip enumDescriptions from Antigravity tool schemas (cheaper-inference#4813)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(dashboard): resolve passthrough model aliases by providerId in ModelSelectModal (cheaper-inference#4815)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(oauth): allow per-connection refresh lead-time override via providerSpecificData.refreshLeadMs (cheaper-inference#4818)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip X-Stainless-* headers and normalize SDK User-Agent for OpenAI-compatible endpoints (cheaper-inference#4820)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip Gemini built-in tools when functionDeclarations present in Antigravity envelope (cheaper-inference#4821)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(api): surface a Docker-localhost hint on provider-node validation connection errors (cheaper-inference#4822)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): resolve bare model names to connection defaultModel before upstream calls (cheaper-inference#4825)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(build): trace-include sql.js sql-wasm.wasm in standalone bundle (cheaper-inference#4839)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip Composer <|final|> sentinel markers leaking after Composer reasoning (cheaper-inference#4842)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(config): sync full SiliconFlow model list into registry (cheaper-inference#4844)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): close reasoning before message content in Responses stream (cheaper-inference#4848)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): reject unsupported Kiro [1m] context suffix (cheaper-inference#4816)

Integrated into release/v3.8.37 — cherry-picked onto release tip; test-tail conflict with cheaper-inference#4763 resolved (kept both image + [1m] test blocks); CHANGELOG re-merged; 29/29 green.

* fix(db): validate HuggingFace tokens via whoami-v2 auth probe (cheaper-inference#4819)

Integrated into release/v3.8.37 — defining commit re-homed onto the god-file-split validation module (validateHuggingFaceProvider in validation/openaiFormat.ts + map wiring); 115/115 green.

* fix(sse): make anthropic-version default-guard case-insensitive (cheaper-inference#4823)

Integrated into release/v3.8.37 — conflict with cheaper-inference#4729 Bearer-fallback resolved (kept both Bearer fallback + case-insensitive anthropic-version guard); 48/48 green.

* fix(sse): sanitize Kiro tool schemas to avoid 400 "Improperly formed request" (cheaper-inference#4847)

Integrated into release/v3.8.37 — conflict in kiro-to-openai.ts resolved (kept release fallbackToolCallId + adopted cheaper-inference#1375 toolNameMap remap); 7/7 green.

* feat(sse): add GPT-4 to the GitHub Copilot provider (cheaper-inference#4798)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(sse): add GPT-4o mini to GitHub Copilot provider (cheaper-inference#4797)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(api): add MiniMax-M3 pricing row (cheaper-inference#4814)

Integrated into release/v3.8.37 — pricing row re-homed onto god-file-split pricing/regional.ts (pricing.ts is now a barrel); 4/4 green.

* fix(cli): save runtime deps with --save-exact so a sibling install can't prune them (cheaper-inference#4841)

Integrated into release/v3.8.37 — trayRuntime conflict resolved (kept release SYSTRAY_SPEC + added --save-exact); 2/2 green.

* fix(sse): preserve required fields in antigravity tool schemas (cheaper-inference#4843)

Integrated into release/v3.8.37 — conflict resolved (kept cheaper-inference#4740/cheaper-inference#4813 enumDescriptions strip + typed normalizeSchemaTypes, added required-preservation helpers; test-tail merged keeping both enumDescriptions + required tests); 7/7 green.

* chore(quality): rebaseline file-size for rc17b leva3 PR batch drift

* fix(sse): strip reasoning blobs from agentic context to prevent O(n^2) token growth (cheaper-inference#4849)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): unwrap Qoder HTTP 200 SSE error envelope so fallback can trigger (cheaper-inference#4850)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): strip temperature for Claude models with extended thinking (cheaper-inference#4853)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): emit valid concatenable kiro tool_calls.arguments deltas (cheaper-inference#4855)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(sse): add toggleable tool-source diagnostics (cheaper-inference#4856)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): redact api key from the AUTH debug log in the chat handler (cheaper-inference#4858)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): forward AI SDK image parts in Responses translator (cheaper-inference#4859)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): resolve custom combos by id and case-insensitive name (cheaper-inference#4446) (cheaper-inference#4869)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): exclude WS bridge controller-closed error from provider breaker (cheaper-inference#4602) (cheaper-inference#4870)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(providers): add xAI Grok inbound translators and thinking patcher (cheaper-inference#4910)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(embeddings): add dimensions override field to embedding combos (cheaper-inference#4913)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* feat(oauth): Codex bulk-import endpoint — POST /api/oauth/codex/import (cheaper-inference#4914)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(antigravity): retry transient upstream failures (cheaper-inference#4941)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): surface malformed HTTP-200 upstream responses (cheaper-inference#4942)

Integrated into release/v3.8.37 — cherry-picked defining commit onto release tip; CHANGELOG re-merged; tests green.

* fix(sse): normalize Codex custom tools (apply_patch) to { input: string } schema (cheaper-inference#4862)

Integrated into release/v3.8.37 — conflict in request/openai-responses.ts resolved (kept cheaper-inference#4789 nameless-tool skip + added cheaper-inference#1007 custom-tool {input:string} normalization); 48/48 green incl. cheaper-inference#4789/cheaper-inference#4859 regression.

* fix(sse): dense, deterministic output ordering in Responses API response.completed (cheaper-inference#4906)

Integrated into release/v3.8.37 — manual integration with cheaper-inference#4862 in response/openai-responses.ts (custom-tool funcItem + dense recordCompletedItem). Fixed a latent cheaper-inference#4848 interaction: the close-reasoning-before-message guard force-closed <think>-tag reasoning prematurely, which dense output (cheaper-inference#4906) then snapshotted as a partial buffer ("plan" vs "planning") — scoped the guard to native reasoning_content (!inThinking) in BOTH transformer + translator paths. Full Responses suite 203/203 green incl. cheaper-inference#4848/cheaper-inference#4862 regression.

* feat(sse): auto-promote successful combo model to position cheaper-inference#1 (cheaper-inference#4852)

Integrated into release/v3.8.37 — dropped the stale file-size-baseline.json hunk (re-derived against the rc17b rebaseline); code+test applied clean; 13/13 green.

* feat(providers): add Pioneer AI (Fastino Labs) provider (cheaper-inference#4909)

Integrated into release/v3.8.37 — providers.ts apikey block re-homed onto god-file-split src/shared/constants/providers/apikey/frontier-labs.ts (inline APIKEY_PROVIDERS no longer exists); registry/pioneer + providers/index.ts applied clean; 6/6 green.

* add DGrid AI gateway provider (cheaper-inference#4931)

Integrated into release/v3.8.37 — rebased the contributor's commit onto the release tip; providers.ts god-file-split conflict resolved by relocating the dgrid APIKEY_PROVIDERS entry into apikey/gateways.ts; CHANGELOG added. 7/7 green. Thanks @dgridOP!

* chore(quality): rebaseline file-size for rc17b leva4 PR batch drift

* docs(routing): sync combo strategy docs for Fusion (17 strategies) (cheaper-inference#5067)

Fusion (16th strategy, panel fan-out + judge synthesis) and headroom
shipped but the strategy-count docs were stale (14/15) and omitted both.
Update every combo-strategy reference to the canonical 17, add fusion +
headroom to all strategy tables, and add a dedicated Fusion section to
AUTO-COMBO.md documenting judgeModel / fusionTuning config + an example.

- CLAUDE.md, README.md, FEATURES.md, RESILIENCE_GUIDE.md,
  ARCHITECTURE.md, OPEN_SSE_ARCHITECTURE.md, OMNIROUTE_VS_ALTERNATIVES.md,
  docs/README.md, request-pipeline.mmd: 14/15 -> 17, list fusion + headroom
- docs/routing/AUTO-COMBO.md: strategy table + new Fusion strategy section
- docs/openapi.yaml: add reset-window, headroom, fusion to the strategy enum

* fix(oauth): classify /api/oauth/cursor/auto-import as local-only (route-guard) (cheaper-inference#5070)

The Cursor auto-import route runs execFile("which", ["cursor"]) to verify a
local Cursor install before importing credentials — a child-process spawn. The
check:route-guard-membership gate (Hard Rules cheaper-inference#15/cheaper-inference#17) flagged it as an
unclassified spawn-capable route: reachable past the loopback gate, an
RCE-via-tunnel surface (a leaked JWT over a tunnel could trigger the spawn).

Classify the specific path in LOCAL_ONLY_API_PREFIXES so loopback enforcement
runs unconditionally before any auth check. Scoped to the exact path — the rest
of /api/oauth/ (browser redirect/callback flows) stays remote-reachable.

TDD: added a failing-then-passing assertion in route-guard-local-prefix.test.ts
(classification + an over-broadening guard proving sibling OAuth paths stay
remote). check:route-guard-membership now reports 0 new gaps.

* chore(release): v3.8.37 — 2026-06-26

---------

Co-authored-by: dgridOP <dgrid_op@outlook.com>
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