feat: 添加 Kiro 授权流程的 cookie 清理和重试机制，优化跨页面恢复

tests/flow-registry-settings-schema.test.js

@@ -21,6 +21,10 @@ test('flow registry exposes openai and kiro with canonical source metadata', ()
   assert.equal(flowRegistry.normalizeFlowId('codex'), 'openai');
   assert.equal(flowRegistry.normalizeSourceId('openai', 'sub2api'), 'sub2api');
   assert.equal(flowRegistry.normalizeSourceId('kiro', 'anything-else'), 'kiro-rs');
+  assert.deepEqual(
+    flowRegistry.getVisibleGroupIds('openai', 'cpa'),
+    ['openai-plus', 'openai-phone', 'openai-oauth', 'openai-step6', 'openai-source-cpa', 'service-account', 'service-email', 'service-proxy']
+  );
   assert.deepEqual(
     flowRegistry.getVisibleGroupIds('kiro', 'kiro-rs'),
     ['kiro-runtime-status', 'kiro-source-kiro-rs', 'service-account', 'service-email', 'service-proxy']
@@ -33,6 +37,10 @@ test('flow registry exposes openai and kiro with canonical source metadata', ()
     flowRegistry.getSettingsGroupDefinition('openai-phone')?.rowIds || [],
     []
   );
+  assert.deepEqual(
+    flowRegistry.getSettingsGroupDefinition('openai-step6')?.rowIds || [],
+    ['row-step6-cookie-settings']
+  );
 });
 
 test('settings schema normalizes flat input into canonical flow and service namespaces', () => {