fix(cliproxy): classify Claude quota probe 429s

src/cliproxy/quota/quota-fetcher-claude.ts

@@ -295,10 +295,21 @@ async function runClaudeUsageFetch(
           continue;
         }
         clearTimeout(timeoutId);
+        if (response.status === 429) {
+          return {
+            ...buildEmptyResult('Claude usage status temporarily unavailable', accountId),
+            httpStatus: response.status,
+            errorCode: 'usage_probe_unavailable',
+            actionHint:
+              'Inference may still be available. Retry the Claude quota status check later.',
+            retryable: true,
+            ...(retryAfter ? { errorDetail: `retry-after:${retryAfter}` } : {}),
+          };
+        }
         return {
           ...buildEmptyResult(lastError, accountId),
           httpStatus: response.status,
-          retryable: response.status === 429 || response.status >= 500,
+          retryable: response.status >= 500,
           ...(retryAfter ? { errorDetail: `retry-after:${retryAfter}` } : {}),
         };
       }

src/commands/cliproxy/quota-subcommand/sections/claude.ts

@@ -34,7 +34,9 @@ export function displayClaudeQuotaSection(
     const defaultMark = accountInfo?.isDefault ? color(' (default)', 'info') : '';
 
     if (!quota.success) {
-      console.log(`  ${fail(accountLabel)}${defaultMark}`);
+      const statusIcon =
+        quota.errorCode === 'usage_probe_unavailable' ? warn(accountLabel) : fail(accountLabel);
+      console.log(`  ${statusIcon}${defaultMark}`);
       displayQuotaFailure(quota);
       console.log('');
       continue;