fix(antigravity): route chat traffic to prod endpoint and dereference in JSON schemas

open-sse/providers/registry/antigravity.js

@@ -75,7 +75,7 @@ export default {
       "https://www.googleapis.com/auth/cclog",
       "https://www.googleapis.com/auth/experimentsandconfigs",
     ],
-    apiEndpoint: "https://daily-cloudcode-pa.googleapis.com",
+    apiEndpoint: "https://cloudcode-pa.googleapis.com",
     apiVersion: "v1internal",
     loadCodeAssistEndpoint: "https://cloudcode-pa.googleapis.com/v1internal:loadCodeAssist",
     onboardUserEndpoint: "https://cloudcode-pa.googleapis.com/v1internal:onboardUser",

open-sse/providers/shared.js

@@ -78,7 +78,7 @@ export const ANTHROPIC_COMPAT_BASE = "https://api.anthropic.com/v1";
 // Keep this static even when 9router runs on Linux: the provider profile is
 // intentionally matching the IDE client, not the server host.
 export const ANTIGRAVITY_IDE_VERSION = "2.1.1";
-export const ANTIGRAVITY_IDE_BASE_URL = "https://daily-cloudcode-pa.googleapis.com";
+export const ANTIGRAVITY_IDE_BASE_URL = "https://cloudcode-pa.googleapis.com";
 export const ANTIGRAVITY_IDE_USER_AGENT = `antigravity/ide/${ANTIGRAVITY_IDE_VERSION} darwin/arm64`;
 
 // Antigravity OAuth client credentials (public CLI client — duplicated in usage.js + src/lib/oauth)

open-sse/translator/formats/gemini.js

@@ -311,6 +311,26 @@ function ensureObjectType(obj) {
 // Clean JSON Schema for Antigravity API compatibility - removes unsupported keywords recursively
 export function cleanJSONSchemaForAntigravity(schema) {
   if (!schema || typeof schema !== "object") return schema;
+  const defs = schema.$defs || schema.definitions || {};
+  function deref(obj) {
+    if (!obj || typeof obj !== "object") return obj;
+    if (Array.isArray(obj)) return obj.map(deref);
+    if (obj.$ref && typeof obj.$ref === "string") {
+      const name = obj.$ref.split("/").pop();
+      if (defs[name]) return deref(Object.assign({}, defs[name]));
+    }
+    const res = {};
+    for (const [k, v] of Object.entries(obj)) {
+      if (k === "$defs" || k === "definitions") continue;
+      res[k] = deref(v);
+    }
+    return res;
+  }
+  return _orig_cleanJSONSchemaForAntigravity(deref(schema));
+}
+
+function _orig_cleanJSONSchemaForAntigravity(schema) {
+  if (!schema || typeof schema !== "object") return schema;
 
   // Mutate directly (schema is only used once per request)
   let cleaned = schema;