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feat: implement real project ID fetching for Antigravity - #170

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LinearSakana:feat/fetch-project-ID
Feb 21, 2026
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feat: implement real project ID fetching for Antigravity#170
decolua merged 5 commits into
decolua:masterfrom
LinearSakana:feat/fetch-project-ID

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@LinearSakana LinearSakana commented Feb 21, 2026

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This PR transitions the Project ID handling for Antigravity and Gemini-CLI providers from randomized generation to actual Google Cloud Project IDs. By fetching the authentic project assigned to the user's account, we align our request fingerprint with the official Antigravity client, significantly improving anti-ban robustness.

The implementation ports the logic from CLIProxyAPI .

Key Changes

1. Project ID Discovery Service

  • New Module: Created open-sse/services/projectId.js implementing a two-stage discovery logic:
    • Primary: loadCodeAssist endpoint to retrieve existing projects.
    • Fallback: onboardUser with polling for new account initialization.
  • Caching & Performance: Implemented an in-memory cache with a 1-hour TTL and request deduplication to prevent redundant API calls.
  • Resource Management: Added AbortController integration and background cleanup to prevent memory leaks and orphaned requests.

2. Hot Path Synchronization

  • On-Demand Fetching: Updated src/sse/handlers/chat.js to perform a synchronous Project ID check before forwarding requests to handleChatCore. This fixes a P0 defect where the first request on a new connection would previously fall back to a random ID.
  • Background Persistence: Once a project ID is fetched on the hot path, it is persisted to the database in the background.

3. Integrated Lifecycle & Refresh

  • Proactive Retrieval: Modified tokenRefresh.js to pre-fetch real project IDs immediately after successful token refreshes.
  • Credential Pipeline: Updated formatting logic to ensure projectId is preserved and passed correctly from localDb down to the executors.
  • Automatic Invalidation: Integrated cache invalidation and cleanup when connections are updated or removed.

4. Configuration

  • Centralized the necessary internal Google Cloud Code API endpoints in open-sse/config/constants.js.

@decolua
decolua merged commit ea67742 into decolua:master Feb 21, 2026
kwanLeeFrmVi pushed a commit to kwanLeeFrmVi/9router that referenced this pull request Feb 26, 2026
@LinearSakana
feat: implement real project ID fetching for Antigravity (decolua#170)
332fea0 
* feat: implement Project ID service to fetch and cache real Project IDs from Google Cloud Code API

* fix: implement caching and cleanup for Project ID retrieval

* feat: add project ID invalidation and refresh logic after token updates

* refactor: remove unnecessary format changes

* feat: add on-demand project ID retrieval for antigravity requests
involvex added a commit to involvex/involvex-claude-router that referenced this pull request Feb 28, 2026
@involvex
## [0.2.97](v0.2.96...v0.2.97) (2026-02-28)
c1521f6 
### Bug Fixes

* remove duplicated opencode prefix from model IDs and handle it in executor ([180f884](180f884))
* update opencode endpoint and model IDs ([6be8a03](6be8a03))

### Features

* add opencode provider ([03c846e](03c846e))

## [0.2.96](5645d0a...v0.2.96) (2026-02-24)

### Bug Fixes

*  GitHub Copilot model ([95fd950](95fd950))
* **auth:** allow HTTP for local network ([0a394d0](0a394d0))
* **auth:** prevent auto-login after logout ([49df3dc](49df3dc))
* **codex:** use user-agent detection for Droid CLI compatibility ([8c6e3b8](8c6e3b8))
* Correct indentation for clarity in chatCore and claude-to-openai response handlers ([fa06226](fa06226))
* correct token extraction for Claude non-streaming responses ([decolua#131](https://github.com/involvex/involvex-claude-router/issues/131)) ([9fbd6e6](9fbd6e6))
* **dashboard:** resolve 'Provider not found' for free providers ([45a4d3b](45a4d3b))
* **db:** improve error handling and null checks ([e6ef852](e6ef852))
* **gemini:** improve base64 image data parsing ([5645d0a](5645d0a))
* **github:** Implement dynamic fallback for Codex models requiring /responses endpoint ([decolua#127](https://github.com/involvex/involvex-claude-router/issues/127)) ([6913129](6913129))
* improve code formatting and reduce auto-refresh interval ([7f71916](7f71916))
* improve cursor auto-import reliability on macOS ([decolua#161](https://github.com/involvex/involvex-claude-router/issues/161)) ([d7e06c3](d7e06c3))
* **login:** avoid infinite loading on settings fetch failure ([01c9410](01c9410))
* **open-sse:** emit [DONE] in passthrough SSE mode ([decolua#142](https://github.com/involvex/involvex-claude-router/issues/142)) ([b9a6979](b9a6979))
* prevent race conditions in sticky round-robin ([3ad2f8d](3ad2f8d))
* resolve SonarQube findings and Next.js Image warnings ([7058b06](7058b06))
* update Codex executor for gpt-5.3-codex support ([d7d5dc9](d7d5dc9))

### Features

* add /v1/embeddings endpoint (OpenAI-compatible) ([decolua#146](https://github.com/involvex/involvex-claude-router/issues/146)) ([e1b8361](e1b8361)), closes [decolua#117](https://github.com/involvex/involvex-claude-router/issues/117)
* Add Anthropic Compatible provider support ([da5bdef](da5bdef))
* add API endpoint dimension to usage statistics dashboard ([decolua#152](https://github.com/involvex/involvex-claude-router/issues/152)) ([806bd4a](806bd4a))
* add Claude Opus 4.6 to GitHub Copilot provider ([decolua#97](https://github.com/involvex/involvex-claude-router/issues/97)) ([3d60597](3d60597))
* Add Claude Sonnet 4.6 to GitHub Copilot ([decolua#149](https://github.com/involvex/involvex-claude-router/issues/149)) ([4e2a3f8](4e2a3f8))
* add CLI entry points for claude-router commands ([62c632d](62c632d))
* add enable/disable toggle for provider connections ([ed796d2](ed796d2))
* add Gemini 3.1 Pro models to provider ([f2025cc](f2025cc))
* add Gemini embeddings support + Letta compatibility fixes ([a57a8ce](a57a8ce)), closes [decolua#148](decolua#148)
* add GLM 5 and MiniMax M2.5 models to providerModels.js; add Claude Sonnet 4.6 to CLI tools ([e1e5a81](e1e5a81))
* add GLM Coding (China) provider and Usage by API Keys statistics ([1ae4e31](1ae4e31))
* add GPT 4o to GitHub Copilot provider ([decolua#98](https://github.com/involvex/involvex-claude-router/issues/98)) ([c090bb0](c090bb0))
* add GPT 5.3 Codex Spark model to pricing and provider models ([decolua#133](https://github.com/involvex/involvex-claude-router/issues/133)) ([c7d4410](c7d4410))
* Add GPT 5.3 Codex to GitHub Copilot ([decolua#150](https://github.com/involvex/involvex-claude-router/issues/150)) ([c4aa424](c4aa424))
* add GPT-3.5 Turbo to GitHub Copilot provider ([e3dbd44](e3dbd44))
* add GPT-4 to GitHub Copilot provider ([6ade8ef](6ade8ef))
* add GPT-4o mini to GitHub Copilot provider ([053e490](053e490))
* add models management and router process control commands ([c65fd42](c65fd42))
* Add OpenAI-compatible provider nodes ([0a28f9f](0a28f9f))
* add password change functionality and dependencies ([23cfb19](23cfb19))
* add pause/resume functionality for API keys ([decolua#158](https://github.com/involvex/involvex-claude-router/issues/158)) ([73388a0](73388a0))
* add Qwen3.5 Coder Model configuration ([decolua#156](https://github.com/involvex/involvex-claude-router/issues/156)) ([f933dd9](f933dd9))
* add request logging functionality and usage metrics display ([e476907](e476907))
* add round-robin routing strategy ([9ebd7d3](9ebd7d3))
* add sticky round-robin routing strategy ([4f292aa](4f292aa))
* add support for GLM 5 (if) ([decolua#123](https://github.com/involvex/involvex-claude-router/issues/123)) ([03ab554](03ab554))
* add URL-based tab state persistence in usage page ([decolua#129](https://github.com/involvex/involvex-claude-router/issues/129)) ([6caef7f](6caef7f))
* allow custom user data directory via DATA_DIR environment variable ([d83bd86](d83bd86))
* **antigravity:** initial steps for Antigravity anti-ban alignment ([a229d79](a229d79)), closes [decolua#141](decolua#141)
* **antigravity:** integrate Antigravity tool with MITM support and update CLI tools ([2e854bd](2e854bd))
* **auth:** add model-level rate limit locking for multi-bucket providers ([decolua#120](https://github.com/involvex/involvex-claude-router/issues/120)) ([202fee7](202fee7)), closes [decolua#110](https://github.com/involvex/involvex-claude-router/issues/110)
* **auth:** Enhance authentication flow and settings management ([249fc28](249fc28))
* **cli-tools:** update CLI tools and add new models ([a2122e3](a2122e3))
* **cli-tools:** update default local endpoint port to 20128 ([6c41573](6c41573))
* **cli:** add new CLI package with basic scaffolding ([9cf4628](9cf4628))
* **cloud:** harden sync/auth flow, SSE fallback, and update changelog ([3d43983](3d43983))
* **codex:** add GPT 5.3, fix API translation, add thinking levels ([127475d](127475d))
* **codex:** Cursor compatibility + Next.js 16 proxy migration ([1c6dd6d](1c6dd6d))
* **codex:** Cursor compatibility + Next.js 16 proxy migration ([7b864a9](7b864a9))
* **codex:** Cursor compatibility + Next.js 16 proxy migration ([e9b0a73](e9b0a73))
* **config:** add Cloudflare MCP server and account ID configuration ([67297ea](67297ea))
* **cursor:** Add cursor Provider ([0a026c7](0a026c7))
* **cursor:** Integrate Cursor IDE support with OAuth import token flow ([137f315](137f315))
* **docker:** add Docker setup, environment examples, and architecture docs ([5e4a15b](5e4a15b))
* enhance disconnect handling and request tracking in chatCore.js ([decolua#126](https://github.com/involvex/involvex-claude-router/issues/126)) ([3d29b86](3d29b86))
* enhance request handling and error management in chatCore and streamToJsonConverter ([e2db638](e2db638))
* enhance usage stats with sortable columns and improved data handling ([bf6e09b](bf6e09b))
* Enhance usage tracking across response handlers ([a33924b](a33924b))
* **executors:**  Improved UI components for displaying provider limits and usage statistics in the dashboard. ([32aefe5](32aefe5))
* **iflow:** add IFlowExecutor with HMAC-SHA256 signature and enable models ([bd23ab4](bd23ab4))
* **iflow:** add kimi-k2.5 model support ([9e357a7](9e357a7))
* implement API key requirement toggle ([4cf25dc](4cf25dc))
* Implement buffer addition to usage tracking for improved context handling ([7881db8](7881db8))
* implement lazy loading for UsagePage with suspense fallback ([decolua#136](https://github.com/involvex/involvex-claude-router/issues/136)) ([05b09e6](05b09e6))
* implement provider connection reordering on create, update, and delete ([f2abcc6](f2abcc6))
* implement real project ID fetching for Antigravity ([decolua#170](https://github.com/involvex/involvex-claude-router/issues/170)) ([ea67742](ea67742))
* implement request tracking and enhance usage stats display ([e4f92cd](e4f92cd))
* implement usage tracking for AI requests ([9c3d6f4](9c3d6f4))
* Improve Antigravity quota monitoring and fix Droid CLI compatibility ([3c65e0c](3c65e0c))
* **open-sse:** add Claude Sonnet 4.6 ([b057c43](b057c43))
* OpenAI compatibility improvements & build fixes ([d9b8e48](d9b8e48)), closes [decolua#18](https://github.com/involvex/involvex-claude-router/issues/18)
* **provider:** add free providers and enhance error handling ([bdbe816](bdbe816))
* **providers:** add Minimax Coding (China) provider ([7c609d7](7c609d7))
* **providers:** add provider icons to dashboard ([60bd686](60bd686))
* **providers:** auto-validate API keys on save ([b275dfd](b275dfd))
* rename app to involvex-claude-router and add lenient JSON parsing ([bec206d](bec206d))
* **responses:** respect client streaming preference + string input support ([decolua#121](https://github.com/involvex/involvex-claude-router/issues/121)) ([ac7cedd](ac7cedd))
* **translator:** add thinking parameter support in OpenAI → Claude ([54e01d6](54e01d6))
* **ui:** add cost tracking to usage dashboard and pricing settings ([f302c88](f302c88))
* **ui:** add model support for custom providers and improve UX ([a7a52be](a7a52be))
* Update response handling and logging for improved usage tracking ([df0e1d6](df0e1d6))
* **usage:** implement cost tracking backend and pricing configuration ([a36afaa](a36afaa))
idbara pushed a commit to idbara/9router that referenced this pull request Apr 23, 2026
@LinearSakana
feat: implement real project ID fetching for Antigravity (decolua#170)
aeb299b 
* feat: implement Project ID service to fetch and cache real Project IDs from Google Cloud Code API

* fix: implement caching and cleanup for Project ID retrieval

* feat: add project ID invalidation and refresh logic after token updates

* refactor: remove unnecessary format changes

* feat: add on-demand project ID retrieval for antigravity requests
luckystart79-lang pushed a commit to luckystart79-lang/minirouter that referenced this pull request May 2, 2026
@LinearSakana
feat: implement real project ID fetching for Antigravity (decolua#170)
7fcb363 
* feat: implement Project ID service to fetch and cache real Project IDs from Google Cloud Code API

* fix: implement caching and cleanup for Project ID retrieval

* feat: add project ID invalidation and refresh logic after token updates

* refactor: remove unnecessary format changes

* feat: add on-demand project ID retrieval for antigravity requests
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2 participants

@LinearSakana @decolua