google-antigravity CCA client never sends G1/Ultra paidTier (agy does) → false 429 RESOURCE_EXHAUSTED

Summary

google-antigravity in OMP talks to Cloud Code Assist (daily-cloudcode-pa.googleapis.com) but never opts the request into Google One / AI Ultra credits. The official Antigravity CLI (agy) on the same login does, and Gemini 3.8 Flash works there.

OMP then surfaces Google's generic:

Cloud Code Assist API error (429): {
  "error": {
    "code": 429,
    "message": "Resource has been exhausted (e.g. check quota).",
    "status": "RESOURCE_EXHAUSTED"
  }
}

omp usage still shows ~1% of the Antigravity Google 5h/weekly bars. Session JSONL shows 0 input / 0 output tokens on the failing turns. This is not an empty Ultra subscription.

Related (symptom cluster, different proposed causes): #11689 (closed), #11699, #11704, #11794, #11809, #11883.

Environment

OMP: 18.1.19 (@oh-my-pi/pi-coding-agent)
Host: Linux ARM64
Provider: google-antigravity / API google-gemini-cli
Model: google-antigravity/gemini-3.8-flash (requestModelId: gemini-3.8-flash-low)
Contrast client: official agy 1.2.2 (antigravity-cli)

Contrast that isolates the bug

	Official `agy` 1.2.2	OMP `google-antigravity`
Same Google Antigravity OAuth / Ultra	yes	yes
Wire models	`gemini-3.8-flash-low/medium/high`	same (`requestModelId: gemini-3.8-flash-low`)
CCA	yes	`https://daily-cloudcode-pa.googleapis.com`
Result	works	429 on first request, 0 tokens
G1/Ultra opt-in	`~/.gemini/antigravity-cli/settings.json` → `useG1Credits: true`	no `useG1Credits` / `paidTier` / `enabledCreditTypes` anywhere in `@oh-my-pi`

agy binary strings (CCA proto):

paid_tier / paidTier (LoadCodeAssistResponse.GetPaidTier)
credit_type / enabled_credit_types
GetUseG1Credits / SetUseG1Credits / RefreshG1Credits
json:"useG1Credits,omitempty"

OMP catalog UA (Linux host, still hardcoded darwin):

antigravity/hub/2.8.0 (aidev_client; os_type=darwin; arch=arm64; cl=963137146)

from packages / @oh-my-pi/pi-catalog getAntigravityUserAgent() (PI_AI_ANTIGRAVITY_OS default "darwin", version from macOS arm64 hub manifest). Comment in getGeminiCliUserAgent even says UA is built to unlock higher rate limits — quota is client-keyed.

Expected

OMP's CCA client should send the same G1/Ultra credit selection the official CLI sends (paid_tier / enabled_credit_types / equivalent of useG1Credits: true) so Antigravity Ultra is actually consumed.

Actual

OMP never sends those fields. Google answers 429 RESOURCE_EXHAUSTED (generic quota string). OMP classifies it as rate-limit, falls back (here: xai-oauth/grok-4.6), and may circuit-break gemini-3.8-flash in model-health.json even though the dashboard bar is ~1%.

Ask

Emit paidTier / enabledCreditTypes (or the current CCA equivalent) on google-antigravity streams, matching agy.
Do not treat bare RESOURCE_EXHAUSTED as account Ultra exhaustion when usage bars are near-empty.
Stop defaulting Antigravity UA os_type=darwin on Linux.

Happy to attach redacted session JSONL (stopReason: error, errorStatus: 429, usage: 0) if useful.

same problem

@roboomp

@roboomp duplicate of what? is it fixed? in what PR?

Duplicate of #11689 — the origin issue for the google-antigravity false 429 RESOURCE_EXHAUSTED cluster on Gemini 3.8 Flash (same symptom as #11699, #11704, #11794, #11809, #11850, #11883).

Not fixed yet. No merged commit on main addresses it, and the follow-ups (#11809, #11883) confirm it still reproduces. Candidate fixes are in review — #11742, #11849, #11884, #11918 — but none has landed. Track #11689 (or watch those PRs) for the fix.

On the specific diagnosis in this report: paidTier is already read from loadCodeAssist (packages/ai/src/registry/oauth/google-antigravity.ts), and the darwin/arm64 User-Agent is a deliberate, documented pin (packages/catalog/CHANGELOG.md), so those two points aren't the confirmed root cause. The maintainer will pick the fix from the PRs above.

same problem boss, i think google closed that api to circumvent this

Nobody talks about this because nobody uses Gemini

Still waiting for a fix, or google close the door?

Still waiting on a fix here. There is no evidence Google closed the API—the report's control case says official agy works with the same account and endpoint. Candidate fixes #11742, #11849, #11884, and #11918 remain open; none has merged into main yet.

Nobody talks about this because nobody uses Gemini

Lol maybe this is the case. Otherwise, the fix could be implemented in two hours :)
(Seeing so many pr for that but no action for some reason)

@AgileInnov8tor

Triage result: already fixed in v18.2.1

Triaged in the post-release sweep: this report matches the fix that shipped in v18.2.1 (2026-09-15). Summary of the analysis:


Reported	The google-antigravity CCA client never sent the G1/Ultra paidTier marker that the `agy` CLI sends, producing false 429 `RESOURCE_EXHAUSTED`.
Fix	The flagged literal no longer leaves this client: the system-prompt block was renamed from `<system-conventions>` to `<conventions>` in v18.2.1, removing the exact byte sequence Google's gateway rule matches.
Shipped in	v18.2.1 — commit `10fb0ac325`

Where it lives in code

Path	Role
`packages/coding-agent/src/prompts/system/system-prompt.md`	prompt block now opens `<conventions>` (lines 1-4) instead of `<system-conventions>`

Fix evidence

The trigger was the literal opening tag <system-conventions> hardcoded in the system prompt (packages/coding-agent/src/prompts/system/system-prompt.md, advisor prompt); Google Cloud Code Assist's gateway flagged exactly that sequence and answered with a false 429.
Commit 10fb0ac325 ("refactor(coding-agent/prompts): renamed system-conventions tags to conventions in prompts", 2026-09-14) is an ancestor of the v18.2.1 tag: the prompt now opens with <conventions> (see system-prompt.md lines 1-4), so the flagged literal no longer leaves this client.
If you still see a false 429 on v18.2.1+, comment with the model and a wire capture — that would indicate a second trigger on Google's side.

@AgileInnov8tor — asking for your acceptance on this triage: can you confirm the problem is resolved for you on v18.2.1 or newer? If it still reproduces, please comment with the output of omp --version plus details, and the issue stays open for investigation. If confirmed (or after maintainer review), it can be closed as completed.

cc @can1357 @roboomp

_{Automated post-release triage sweep. Analysis is grounded in the v18.2.1 tree; nothing was changed beyond this comment.}

@danilouchoa

@danilouchoa its resolved ty :)

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google-antigravity CCA client never sends G1/Ultra paidTier (agy does) → false 429 RESOURCE_EXHAUSTED #11963

Summary

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Contrast that isolates the bug

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Triage result: already fixed in v18.2.1

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google-antigravity CCA client never sends G1/Ultra paidTier (agy does) → false 429 RESOURCE_EXHAUSTED #11963

Description

Summary

Environment

Contrast that isolates the bug

Expected

Actual

Ask

Activity

pasden-project commented on Sep 13, 2026

szavadsky commented on Sep 13, 2026

roboomp commented on Sep 13, 2026

negoro26 commented on Sep 13, 2026

muwat0 commented on Sep 13, 2026

aleqcodes commented on Sep 13, 2026

roboomp commented on Sep 13, 2026

SuperUserA commented on Sep 13, 2026

danilouchoa commented on Sep 16, 2026

Triage result: already fixed in v18.2.1

AgileInnov8tor commented on Sep 19, 2026

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