fix(quota): show all Z.ai usage windows

packages/vscode/src/quotaProviders.test.ts

@@ -10,6 +10,7 @@ const AUTH = JSON.stringify({
   openai: { access: 'test-token' },
   crof: { key: 'test-token' },
   neuralwatt: { key: 'test-token' },
+  'zai-coding-plan': { key: 'test-token' },
 });
 ((fs as unknown) as { existsSync: () => boolean }).existsSync = () => true;
 ((fs as unknown) as { readFileSync: () => string }).readFileSync = () => AUTH;
@@ -138,6 +139,33 @@ describe('Codex quota provider (VS Code parity)', () => {
   });
 });
 
+describe('Z.ai quota provider (VS Code parity)', () => {
+  test('surfaces 5-hour, weekly, and MCP quota windows', async () => {
+    stubFetchReturning(() => Promise.resolve(mockResponse({
+      data: {
+        limits: [
+          { type: 'TOKENS_LIMIT', unit: 3, number: 5, percentage: 0 },
+          { type: 'TOKENS_LIMIT', unit: 6, number: 1, percentage: 100, nextResetTime: 1785659659993 },
+          { type: 'TIME_LIMIT', unit: 5, number: 1, percentage: 0, nextResetTime: 1787128459979 },
+        ],
+      },
+    })));
+
+    const result = await fetchQuotaForProvider('zai-coding-plan');
+    const windows = result.usage!.windows;
+
+    assert.equal(result.ok, true);
+    assert.equal(windows['5h']!.usedPercent, 0);
+    assert.equal(windows['5h']!.windowSeconds, 5 * 60 * 60);
+    assert.equal(windows.weekly!.usedPercent, 100);
+    assert.equal(windows.weekly!.windowSeconds, 7 * 24 * 60 * 60);
+    assert.equal(windows.weekly!.resetAt, 1785659659993);
+    assert.equal(windows['MCP Tools']!.usedPercent, 0);
+    assert.equal(windows['MCP Tools']!.windowSeconds, 30 * 24 * 60 * 60);
+    assert.equal(windows['MCP Tools']!.resetAt, 1787128459979);
+  });
+});
+
 describe('NeuralWatt quota provider (VS Code parity)', () => {
   test('builds subscription window keyed by plan name (windowSeconds null)', async () => {
     stubFetchReturning(() => Promise.resolve(mockResponse(DOCUMENTED_SUBSCRIPTION_PAYLOAD)));