feat(gemini): add Gemini 3.6 Flash tier routing and 3.5 Flash Lite

Add gemini-3.6-flash tiered (high/medium/low) for Antigravity routing
via upstreamModelId "gemini-3.6-flash-tiered(level)" + thinkingLevel,
plus gemini-3.6-flash and gemini-3.5-flash-lite direct API models.

- getModelUpstreamId: split (level) suffix before lookup, re-append after
- Antigravity executor: preserve transformed body.model
- MITM extractModel: parse thinkingLevel for tiered model (default medium)
- Isolate Cloud Code endpoints: discovery (loadCodeAssist/onboardUser/
  quota) on PROD cloudcode-pa, chat transport on daily-cloudcode-pa
  to bypass prod 429
This commit is contained in:
Phuong Lambert
2026-07-23 16:34:24 +07:00
committed by decolua
parent 3c17d3406b
commit 783e271c16
15 changed files with 236 additions and 65 deletions
+1 -1
View File
@@ -219,7 +219,7 @@ async function handleSingleModelChat(body, modelStr, clientRawRequest = null, re
// Ensure real project ID is available for providers that need it (P0 fix: cold miss)
if ((provider === "antigravity" || provider === "gemini-cli") && !refreshedCredentials.projectId) {
const pid = await getProjectIdForConnection(credentials.connectionId, refreshedCredentials.accessToken);
const pid = await getProjectIdForConnection(credentials.connectionId, refreshedCredentials.accessToken, provider);
if (pid) {
refreshedCredentials.projectId = pid;
// Persist to DB in background so subsequent requests have it immediately