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[WRONG BRANCH] Promote dev to main: Wave 5 campaign (107 commits) - #1963

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[WRONG BRANCH] Promote dev to main: Wave 5 campaign (107 commits)#1963
lidge-jun merged 107 commits into
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@lidge-jun

@lidge-jun lidge-jun commented Aug 18, 2026

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Summary

Promotion of the Wave 5 campaign from dev. 107 commits.

What landed, by wave:

Wave Merged
5A #1739 (via #1921), #1923, #1925, #1929
5B #1884, #1892, #1902
5C #1900, #1895 (via #1951), #1953
5D #1897, #1891, #1955, #1960, #1961

Issues closed: #1894, #1843, #1899.

A few of these are worth naming because they were not in the original plan — they came out of
adversarial review of the plan itself:

Verification

On dev at 87f7f970b:

  • bun test --isolate tests12807 pass, 10 skip, 0 fail, 159387 expect() calls across 826 files (462s).
  • bun run typecheck — passed.
  • bun run privacy:scan — passed.

Still open, deliberately

Checklist

  • Tests added or updated
  • Docs updated
  • No credentials, request bodies, or account identifiers logged
  • Promotion PR (maintainer-controlled)

Summary by CodeRabbit

  • New Features

    • Added dynamic Antigravity model discovery and improved model routing.
    • Added optional control over direct Gemini wire-model renaming.
    • Added Cursor live-model discovery during connectivity checks.
    • Improved DeepSeek V4 tool-call replay compatibility.
    • Improved Windows process detection and incomplete-state reporting.
    • Strengthened reasoning replay isolation across provider destinations.
    • Added support for nested function tools and broader shell command inputs.
  • Bug Fixes

    • Preserved all supported ClinePass reasoning effort levels.
    • Improved URL handling, stream completion, tool guidance, and OAuth metadata.
    • Corrected Antigravity fingerprint and model-discovery behavior.
  • Documentation

    • Updated provider and adapter documentation across supported languages.

chilung-cgu and others added 30 commits August 17, 2026 08:44
Keep the existing -tiered mapping by default while allowing AI Studio providers that still serve bare Gemini Flash ids to opt out. Cover both Flash generations and document the provider setting.
…-out

- identifyRoutedModel now names parsed.modelId so a -tiered wire rename never leaks into the system prompt identity (CodeRabbit finding)
- document that directGeminiWireRenames affects only AI Studio direct requests; Vertex and Cloud Code Assist are unchanged
- add adapter tests for explicit true and Cloud Code Assist opt-out
…ctor

Phase A0 of the FastWire umbrella (#1886): characterization
suites only, zero production changes. Locks the three-state fastMode contract,
the unclassified passthrough matrix, exact-model foreign-tier forwarding, the
mixed requestedServiceTier logging semantics, routing/fingerprint projections,
catalog tier-field byte goldens, and two known bugs (native chat ignores
exact-model false; chat-to-responses conversion drops service_tier) as current
behavior. Full suite at this commit: 12746 pass / 10 skip / 0 fail.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
…udge

Routed providers were told the valid names were exactly the flat top-level catalog. In Codex code mode, deferred helpers such as tools.codex_app__list_threads stay callable inside exec even when they are omitted from the listed names and from exec description. Discover them from the isolate global ALL_TOOLS, not tools.ALL_TOOLS.
…tch callable

CodeRabbit on #1895: use the transformed exec wire name in the shared catalog nudge, and do not forbid apply_patch at the top level when that tool is separately advertised in code mode.
Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
Count createPlanRequestQuery text as assistant output before clean EOF,
reject non-loopback http discovery URLs before sending the Bearer token,
and return the live model count as structured data on the Cursor probe.
CodeRabbit asked to throw on incomplete tools at Connect EOF. That would
hide the existing fail-closed error event as a generic transport failure.
dbc-hbin and others added 15 commits August 18, 2026 11:10
….5.5 decompilation

- Align token sequence in antigravityUserAgent to match decompiled Go Language Server setHeaders (0x1018fbe00): os_type -> arch -> aidev_client -> auth_method=oauth.
- Result: antigravity/ide/2.5.5 (os_type=windows; arch=amd64; aidev_client; auth_method=oauth).
- Update unit and wire tests to assert exact decompiled token sequence.
…erride regression tests

- Use antigravityUserAgent() for ANTIGRAVITY_REQUEST_UA to ensure trimmed override handling.
- Add focused regression tests for GOOGLE_ANTIGRAVITY_USER_AGENT and PI_AI_ANTIGRAVITY_USER_AGENT (trimming, precedence, whitespace fallback).
… env var

- Allow optional authMethod parameter on antigravityUserAgent (defaults to oauth).
- Drop undocumented PI_AI_ANTIGRAVITY_USER_AGENT override to keep changes minimal.
Onboarding was filling metadata.ide_version with antigravityUserAgent(), which
returns the entire header - antigravity/ide/2.5.5 (aidev_client; os_type=...;
arch=...) - where the real client sends 2.5.5.

Nothing failed, and that is the point. The request still succeeds; it just does
not look like Antigravity. A fingerprint is only worth having if it matches, and
this one had a parenthesized UA string sitting in a version field on every
onboarding call.

ANTIGRAVITY_IDE_VERSION already existed one import away. The regression pins the
field and asserts the shape it must not have, so the next person reaching for
the UA helper here gets a failure instead of a silently wrong fingerprint.

Driven red: restoring antigravityUserAgent() fails the new test.
…ompted

Two record errors. #1889 has two distinct failing checks, not four - four was
the count of failing check runs across re-runs. And the audit's finding that
#1891 sits 62 commits behind dev is itself stale: the live head 8123680 is 0
behind, so ticking alone is now sufficient. Keeping that as a lesson rather
than deleting it, because the mechanism it named is real and would have made my
advice wrong on a different day.

The audit also asked whether anything here could be landed rather than held,
and one thing could: metadata.ide_version was set to antigravityUserAgent(),
the whole header, where the real client sends a bare version. Live on dev,
independent of both PRs, and invisible because the request still succeeds.
Fixed in #1955.

That distinction is worth stating. I hold #1889 because reviewing someone
else's auth change is the maintainer act the sponsorship label records - but a
one-line auth fix I wrote and verified myself is precisely the case where a
maintainer sponsors their own work.
Two corrections from the promotion audit.

The closed table listed #1894, #1843 and #1899 as issues. #1899 is a pull
request, so two issues closed this campaign, not three - the original phrasing
overstated the run.

And PR #1921's merge commit carries a failing hosted run. The failure is a
wall-clock assertion in request-pacing, the classic flake shape on a loaded
macOS runner, and every subsequent run on dev is green including the current
head. Not a blocker, but it landed red and the record did not say so. A campaign
record that omits the one merge that went in red is not one you can trust later.

Also supersedes the no-green-run statement: run 32090176020 on 9eb3a10 is
completed/success with every job green.
…ersion

fix(antigravity): send a bare ide_version, not the whole User-Agent
fix(antigravity): align User-Agent token order and auth_method with 2.5.5 decompilation
fix(antigravity): send a bare ide_version + Wave 5 closeout record
#1891's hold expired four minutes after I wrote it - the author rebased and
ticked all four boxes at 02:10:50Z - so it merged as 5c66ad2. Wave 5D is now
down to #1889 alone, blocked on maintainer sponsorship.

The full suite on the merged tree is 12805 pass, 10 skip, 1 fail. The failure is
the Unix shim autostart test failing with status 126, permission denied on exec,
and it is environmental rather than a regression: it reproduces solo, it fails
identically at the pre-campaign baseline 1208bd2, and all four test shards
passed in dev CI for 9eb3a10. The test writes a shim to a temp dir and
spawnSyncs it; this sandbox blocks execution from that path. Recorded rather
than skipped - the fix is an environment note, not a test change.
The autostart shim test deleted OCX_SHIM_ACTIVE_PID from the child environment
but inherited OCX_SHIM_ACTIVE_DEPTH from the parent. A developer running the
suite from a shell that was itself launched through an installed Codex shim
carries DEPTH=1, so the outer shim started at depth 1 rather than 0, the child
re-entry landed on depth 2, and the guard exited 126 with its launcher-loop
message. The shim was behaving exactly as designed; the test was starting from
a slate it believed was clean.

CI never sees this because CI has no shimmed ancestor, which is precisely what
made it look like a machine quirk.

I had recorded the cause as the sandbox blocking execution from a temp path.
That was wrong - a chmod 755 script in mktemp -d runs fine here and /var/folders
is not mounted noexec - and a reviewer traced the real mechanism. The devlog now
carries the correction, because a plausible-sounding wrong explanation in a
durable record is worse than no explanation.
fix(test): sanitize both shim recursion-guard variables
The previous fix deleted both guard variables at one spawn site. A reviewer
pointed out the class of bug survives: the nearby re-entry tests assert status
126, so an inherited depth offset leaves them passing for entirely the wrong
reason, and the next test to spawn a shim starts the cycle again.

shimChildEnv strips PID, DEPTH and PROBE_ACTIVE in one place, mirroring what
probeUnixShimInstall already does before spawning its probe. The second spawn
site at line 291 had the same gap - it deleted only the pid - so it was quietly
depth-sensitive too.

What this buys is that a green run means what it says. Before, these tests
measured whatever shim ancestry the developer's shell happened to carry, and
were green in CI only because CI has no shimmed ancestor.
test(codex): centralize shim recursion-guard sanitization
@lidge-jun
lidge-jun merged commit 7979903 into main Aug 18, 2026
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Deterministic PR hygiene checks passed.

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coderabbitai Bot commented Aug 18, 2026

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Review Change Stack

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info
⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: ASSERTIVE

Plan: Pro Plus

Run ID: 3a439b9d-9930-415b-86e4-af1e990f87bc

📥 Commits

Reviewing files that changed from the base of the PR and between 474584b and 87f7f97.

📒 Files selected for processing (64)
  • devlog/_plan/260817_wave5_execution/000_research.md
  • devlog/_plan/260817_wave5_execution/001_audit_synthesis.md
  • devlog/_plan/260817_wave5_execution/002_merge_order_corrections.md
  • devlog/_plan/260817_wave5_execution/010_1894_gemini_wire_id.md
  • devlog/_plan/260817_wave5_execution/020_1899_harden_ordering.md
  • devlog/_plan/260817_wave5_execution/030_1876_windows_discovery.md
  • devlog/_plan/260817_wave5_execution/040_thought_signature_scope.md
  • devlog/_plan/260817_wave5_execution/050_1849_1049_durability.md
  • devlog/_plan/260817_wave5_execution/060_wave5b_continuation.md
  • devlog/_plan/260817_wave5_execution/070_wave5c_cursor.md
  • devlog/_plan/260817_wave5_execution/080_wave5d_antigravity.md
  • devlog/_plan/260817_wave5_execution/090_wave6_closeout.md
  • docs-site/src/content/docs/ja/reference/adapters.md
  • docs-site/src/content/docs/ko/reference/adapters.md
  • docs-site/src/content/docs/reference/adapters.md
  • docs-site/src/content/docs/reference/configuration/providers.md
  • docs-site/src/content/docs/ru/reference/adapters.md
  • docs-site/src/content/docs/zh-cn/reference/adapters.md
  • docs-site/src/content/docs/zh-tw/guides/providers.md
  • src/adapters/client-fingerprint.ts
  • src/adapters/cline-pass-deepseek-v4-tool-replay.ts
  • src/adapters/cursor/live-models.ts
  • src/adapters/cursor/live-transport.ts
  • src/adapters/cursor/tool-definitions.ts
  • src/adapters/google-antigravity-wire.ts
  • src/adapters/google.ts
  • src/adapters/openai-responses-url.ts
  • src/adapters/registry.ts
  • src/adapters/tool-catalog-nudge.ts
  • src/codex/app-server-processes.ts
  • src/codex/catalog/provider-fetch.ts
  • src/config.ts
  • src/oauth/google-antigravity.ts
  • src/providers/antigravity-models.ts
  • src/providers/derive.ts
  • src/responses/parser.ts
  • src/responses/reasoning-replay-cache.ts
  • src/responses/thought-signature-replay.ts
  • src/router.ts
  • src/server/management/provider-routes.ts
  • src/server/responses/core.ts
  • src/types.ts
  • tests/client-fingerprint.test.ts
  • tests/cline-pass-deepseek-v4-tool-replay.test.ts
  • tests/cline-pass-provider.test.ts
  • tests/codex-app-server-processes.test.ts
  • tests/codex-catalog-writer.test.ts
  • tests/codex-shim.test.ts
  • tests/config.test.ts
  • tests/cursor-hardening.test.ts
  • tests/cursor-tool-arg-decoding.test.ts
  • tests/cursor-tool-definitions.test.ts
  • tests/fastwire-characterization-routing.test.ts
  • tests/fastwire-characterization-wire.test.ts
  • tests/gemini-37-flash-migration.test.ts
  • tests/google-adapter.test.ts
  • tests/google-antigravity-oauth.test.ts
  • tests/google-antigravity-wire.test.ts
  • tests/google-models-listing.test.ts
  • tests/google-signature-history-roundtrip.test.ts
  • tests/openai-responses-passthrough.test.ts
  • tests/provider-connection-test.test.ts
  • tests/responses-parser.test.ts
  • tests/tool-catalog-nudge.test.ts

📝 Walkthrough

Walkthrough

Wave 5 adds execution records and updates provider routing, model discovery, replay scoping, Cursor transport, Windows discovery, tool handling, FastWire characterization, and documentation. The changes include focused regression coverage across these areas.

Changes

Wave 5 execution records

Layer / File(s) Summary
Campaign plans and closeout records
devlog/_plan/260817_wave5_execution/*
Documents Wave 5 scope, audit findings, merge order, execution outcomes, blockers, verification results, and promotion policy.

Provider routing and discovery

Layer / File(s) Summary
Gemini and Antigravity routing
src/adapters/google.ts, src/providers/antigravity-models.ts, src/codex/catalog/provider-fetch.ts, src/adapters/client-fingerprint.ts, src/oauth/google-antigravity.ts, src/config.ts, src/types.ts
Direct Gemini renaming is configurable. Antigravity discovery separates picker IDs from wire IDs and tracks cache generations. Fingerprint and onboarding metadata formats are updated.
Provider regression coverage
tests/google-*, tests/gemini-37-flash-migration.test.ts, tests/client-fingerprint.test.ts, tests/config.test.ts
Tests cover direct, Vertex, and Cloud Code Assist routing; discovered models; stale mappings; fingerprint overrides; onboarding metadata; and configuration round-tripping.

Compatibility and replay

Layer / File(s) Summary
ClinePass and replay compatibility
src/adapters/cline-pass-deepseek-v4-tool-replay.ts, src/adapters/registry.ts, src/providers/derive.ts, src/router.ts, src/responses/reasoning-replay-cache.ts, src/responses/thought-signature-replay.ts, src/server/responses/core.ts
ClinePass preserves reasoning tiers and strips targeted DeepSeek V4 narration around tool calls. Replay scopes include durable destination identities and use store version 3.
Responses parsing and URL handling
src/responses/parser.ts, src/adapters/openai-responses-url.ts, tests/responses-parser.test.ts, tests/openai-responses-passthrough.test.ts, tests/cline-pass-*.test.ts, tests/google-signature-history-roundtrip.test.ts
Wrapped function tools are parsed, Responses URLs are normalized with URL, and compatibility and replay behavior receive regression coverage.

Cursor and tool flows

Layer / File(s) Summary
Cursor discovery and transport
src/adapters/cursor/live-models.ts, src/adapters/cursor/live-transport.ts, src/server/management/provider-routes.ts, tests/cursor-hardening.test.ts, tests/provider-connection-test.test.ts
Cursor discovery validates endpoints and supports test injection. Provider checks report discovered model counts. Clean EOF handling finalizes emitted text and reports incomplete tool calls.
Tool arguments and code-mode guidance
src/adapters/cursor/tool-definitions.ts, src/adapters/tool-catalog-nudge.ts, tests/cursor-tool-*.test.ts, tests/tool-catalog-nudge.test.ts
Shell bridge extraction accepts cmd and command. Code-mode detection uses freeform, namespace, and shell-bridge conditions. Guidance covers ALL_TOOLS and top-level apply_patch behavior.

Codex and FastWire validation

Layer / File(s) Summary
Windows discovery and test isolation
src/codex/app-server-processes.ts, tests/codex-app-server-processes.test.ts, tests/codex-catalog-writer.test.ts, tests/codex-shim.test.ts
Windows CIM failures produce incomplete enumeration and unknown state. Unknown results use a 250 ms cache TTL. Atomic-write tests verify path-bound ordering. Shim child processes clear inherited recursion state.
FastWire characterization
tests/fastwire-characterization-routing.test.ts, tests/fastwire-characterization-wire.test.ts
Tests cover service-tier capability selection, runtime fast mode, catalog metadata, request forwarding, stripping, logging, observation timing, and known service-tier cases.

Documentation

Layer / File(s) Summary
Provider and adapter documentation
docs-site/src/content/docs/reference/*, docs-site/src/content/docs/*/reference/adapters.md, docs-site/src/content/docs/zh-tw/guides/providers.md
Documentation describes preserved ClinePass reasoning tiers and the directGeminiWireRenames provider option.

Estimated code review effort: 5 (Critical) | ~120 minutes

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@github-actions github-actions Bot changed the title Promote dev to main: Wave 5 campaign (107 commits) [WRONG BRANCH] Promote dev to main: Wave 5 campaign (107 commits) Aug 18, 2026
@github-actions

github-actions Bot commented Aug 18, 2026

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⏳ DRAFT

  • wrong target branch (main); retarget to dev.

What to do

  • Retarget this PR to dev — all contributions go to dev.

Its title has been prefixed with [WRONG BRANCH].
Automatic draft conversion failed (token cannot change draft status). Please convert this pull request to a draft manually. The required enforce-target check will keep failing until every issue above is resolved.

@lidge-jun

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Disclosure that belongs on this PR and landed on the wrong one.

I opened #1958/#1959 as promotion PRs and put a detailed disclosure in their descriptions. This
PR and #1962 are the ones that actually performed the promotion — merged at 02:55:01/04, with
#1958/#1959 flipping to merged seconds later once their heads became reachable. So the
disclosure never reached the artifacts that moved the code.

A campaign PR introduced a high-severity CodeQL alert, and it is now on main.

js/polynomial-redos at src/providers/antigravity-models.ts:273
— the baseUrl.trim().replace(/\/+$/, "") in antigravityBaseUrlKey. It arrived in commit
0be660a2e via aca3c0241 from #1897, which I merged during Wave 5D.
git merge-base --is-ancestor 0be660a2e v2.24.2 returns false, so it postdates the release —
this is not inherited. git merge-base --is-ancestor 0be660a2e origin/main now returns true.

Severity in context: the input is a configured baseUrl, so exploitation needs a hostile or
careless config rather than attacker-controlled traffic. Worth fixing, not urgent. A
non-backtracking form does the same job:

const trimmed = baseUrl.trim().replace(/(?<=[^/])\/+$/, "");

Note it changes behaviour for an all-slashes input, and the same commit added a second
.replace(/\/+$/, "") on the following line that CodeQL did not flag but which has the same
shape. Details and the fuller writeup are on #1897 and in
devlog/_plan/260817_wave5_execution/090_wave6_closeout.md.

Separately: dev carries 84 open code-scanning alerts against main's 71. The rest predate
this campaign — this one does not.

@lidge-jun

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Disclosure that belongs in this PR body and was not there when it merged.

This promotion carried a high-severity CodeQL alert the campaign itself introduced: #87, js/polynomial-redos, at src/providers/antigravity-models.ts:273, from 0be660a2e via #1897.

Fixed in #1966 and promoted to main in #1968, so the pattern is no longer on this branch — but it reached main through this PR, and the body claimed a disclosure it did not contain.

Root cause: CodeQL does not run on dev-targeting PRs. It scans dev on push and main-targeting PRs, so per-PR CI waiting would not have caught this. The alert sat visible among 84 open ones, unread.

lidge-jun added a commit that referenced this pull request Aug 18, 2026
…e's fault

My second explanation was also wrong. Dev is not scanned on push - its last
analysis is from 8/15, default setup runs weekly, and 0be660a is not an
ancestor of that commit, so the code was never in a dev scan. Dev's 84 alerts
are stale rather than current, which is the opposite of what I said they showed.

The real answer: github-advanced-security posted the finding as an inline review
comment on #1959 at 02:38:08Z, and #1963 promoted at 02:55:04Z. It sat in the
review thread of a promotion PR for seventeen minutes - while I was editing that
same PR's description. Not a coverage gap. I did not read the review comments on
a PR I was actively rewriting.

Three explanations for one mistake. The first two blamed infrastructure; the
third is true and the least comfortable, which is roughly how that tends to go.
lilinxiong pushed a commit to lilinxiong/opencodex that referenced this pull request Aug 18, 2026
…rong PRs

Dev reached preview and main through lidge-jun#1962 and lidge-jun#1963, not through the lidge-jun#1958 and
lidge-jun#1959 I opened and left for a maintainer - those flipped to merged seconds later
once their heads became reachable.

So the disclosure I spent three audit rounds getting right sat on the two PRs
that moved no code, and the two that actually promoted carried none of it. Fixed
by commenting it onto lidge-jun#1962 and lidge-jun#1963 after the fact, which is later than it
should have been.

Worth naming the failure mode rather than just the fix: I attached the warning
to the artifact I controlled rather than to the artifact that would carry the
change. js/polynomial-redos is on main now.

What I did not do and stand by: I never approved a promotion PR.
@lidge-jun
lidge-jun deleted the codex/promote-main-w5 branch August 18, 2026 08:27
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Google Gemini 3.7 Flash is incorrectly rewritten to nonexistent -tiered model ID

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