[BUG] P0: Personal Google One AI Pro account locked out of Gemini Code Assist (phantom project routing issue)

Gemini API
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Hello Google Team,

I am an Individual tier Google One AI Premium subscriber. I am trying to use Gemini Code Assist in my IDE, but I am completely locked out due to a well-known backend routing regression.

The Issue:
When I log in via OAuth, the backend misclassifies my individual @gmail.com account and forces a binding to an auto-generated inaccessible Cloud Project (in my case, gen-lang-client-0804225939 or similar).

Because I don’t have IAM admin rights to this auto-generated shadow project, I instantly receive this error when trying to use Agent Mode:
403 PERMISSION_DENIED: Permission 'cloudaicompanion.companions.generateChat' denied on resource

What I have tried (and why it failed):

  1. Completely wiping all local IDE caches and .gemini configs.

  2. Revoking all OAuth connections in my Google Account settings and re-authenticating.

  3. Setting "geminicodeassist.enterpriseMode": false and "geminicodeassist.subscriptionType": "Individual" in settings.json.

None of this works because the incorrect cloudaicompanionProject binding is stuck on the Google Cloud Identity backend.

The Request:
Could an engineer please manually execute a server-side cloudaicompanionProject binding reset for my account? It needs to be correctly routed to the g1-pro-tier individual flow so I can use the subscription I am paying for.

Thank you for your help.

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