Fix Gemini local execution and diagnostics

packages/adapters/gemini-local/src/server/parse.ts

@@ -231,6 +231,8 @@ export function describeGeminiFailure(parsed: Record<string, unknown>): string |
 }
 
 const GEMINI_AUTH_REQUIRED_RE = /(?:not\s+authenticated|please\s+authenticate|api[_ ]?key\s+(?:required|missing|invalid)|authentication\s+required|unauthorized|invalid\s+credentials|not\s+logged\s+in|login\s+required|run\s+`?gemini\s+auth(?:\s+login)?`?\s+first)/i;
+const GEMINI_QUOTA_EXHAUSTED_RE =
+  /(?:resource_exhausted|quota|rate[-\s]?limit|too many requests|\b429\b|billing details)/i;
 
 export function detectGeminiAuthRequired(input: {
   parsed: Record<string, unknown> | null;
@@ -248,6 +250,22 @@ export function detectGeminiAuthRequired(input: {
   return { requiresAuth };
 }
 
+export function detectGeminiQuotaExhausted(input: {
+  parsed: Record<string, unknown> | null;
+  stdout: string;
+  stderr: string;
+}): { exhausted: boolean } {
+  const errors = extractGeminiErrorMessages(input.parsed ?? {});
+  const messages = [...errors, input.stdout, input.stderr]
+    .join("\n")
+    .split(/\r?\n/)
+    .map((line) => line.trim())
+    .filter(Boolean);
+
+  const exhausted = messages.some((line) => GEMINI_QUOTA_EXHAUSTED_RE.test(line));
+  return { exhausted };
+}
+
 export function isGeminiTurnLimitResult(
   parsed: Record<string, unknown> | null | undefined,
   exitCode?: number | null,