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feat: Add Google Cloud Vertex AI provider support (vertex, vertex-partner)

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Co-authored-by: Quan <quanle96@outlook.com>
PR: https://github.com/decolua/9router/pull/298

Thanks to @kwanLeeFrmVi for the original implementation. Here is a summary
of changes made during review integration:

- Replaced google-auth-library with jose (already a project dependency)
  for SA JSON -> OAuth2 Bearer token minting (RS256 JWT assertion flow)
- Moved auth logic (parseSaJson, refreshVertexToken, token cache) from
  executor into open-sse/services/tokenRefresh.js to match project pattern
- Fixed executor to use proxyAwareFetch instead of raw fetch (proxy support)
- Simplified buildUrl: use global aiplatform.googleapis.com endpoint for
  both vertex (Gemini) and vertex-partner; removed region/modelFamily fields
- Added auto-detection of GCP project_id from raw API key via probe request
  (vertex-partner only, cached per key)
- Added vertex/vertex-partner cases to /api/providers/validate/route.js
- Updated model lists based on live testing:
  - vertex: gemini-3.1-pro-preview, gemini-3.1-flash-lite-preview,
    gemini-3-flash-preview, gemini-2.5-flash (removed gemini-2.5-pro: 404)
  - vertex-partner: deepseek-v3.2, qwen3-next-80b (instruct+thinking),
    glm-5 (removed Mistral/Llama: not enabled in test project)
  - gemini provider: added gemini-3.1-pro-preview, gemini-3.1-flash-lite-preview
- Removed bun.lock (project uses npm/package-lock.json)
- Removed region and modelFamily UI fields (global endpoint, auto-detect)
- Kiro token auto-refresh on AccessDeniedException (from commit 2)

Made-with: Cursor
This commit is contained in:
Quan
2026-03-14 11:37:23 +07:00
committed by decolua
parent 05fc8e9ed9
commit 39f651f5be
14 changed files with 333 additions and 9 deletions
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open-sse/config/providerModels.js
+17
View File
@@ -166,7 +166,10 @@ export const PROVIDER_MODELS = {
{ id: "claude-3-5-sonnet-20241022", name: "Claude 3.5 Sonnet" },
],
gemini: [
{ id: "gemini-3.1-pro-preview", name: "Gemini 3.1 Pro Preview" },
{ id: "gemini-3.1-flash-lite-preview", name: "Gemini 3.1 Flash Lite Preview" },
{ id: "gemini-3-pro-preview", name: "Gemini 3 Pro Preview" },
{ id: "gemini-3-flash-preview", name: "Gemini 3 Flash Preview" },
{ id: "gemini-2.5-pro", name: "Gemini 2.5 Pro" },
{ id: "gemini-2.5-flash", name: "Gemini 2.5 Flash" },
{ id: "gemini-2.5-flash-lite", name: "Gemini 2.5 Flash Lite" },
@@ -311,6 +314,18 @@ export const PROVIDER_MODELS = {
{ id: "glm-4.7-flash", name: "GLM 4.7 Flash" },
{ id: "qwen3.5", name: "Qwen3.5" },
],
vertex: [
{ id: "gemini-3.1-pro-preview", name: "Gemini 3.1 Pro Preview" },
{ id: "gemini-3.1-flash-lite-preview", name: "Gemini 3.1 Flash Lite Preview" },
{ id: "gemini-3-flash-preview", name: "Gemini 3 Flash Preview" },
{ id: "gemini-2.5-flash", name: "Gemini 2.5 Flash" },
],
"vertex-partner": [
{ id: "deepseek-ai/deepseek-v3.2-maas", name: "DeepSeek V3.2 (Vertex)" },
{ id: "qwen/qwen3-next-80b-a3b-thinking-maas", name: "Qwen3 Next 80B Thinking (Vertex)" },
{ id: "qwen/qwen3-next-80b-a3b-instruct-maas", name: "Qwen3 Next 80B Instruct (Vertex)" },
{ id: "zai-org/glm-5-maas", name: "GLM-5 (Vertex)" },
],
};
// Helper functions
@@ -358,6 +373,8 @@ const OAUTH_ALIASES = {
"kimi-coding": "kmc",
kilocode: "kc",
cline: "cl",
vertex: "vertex",
"vertex-partner": "vertex-partner",
};
// Derived from PROVIDERS — no need to maintain manually