重构 OAuth 总超时为 CPA 来源专属策略

tests/background-cloudflare-temp-email-settings.test.js

@@ -156,12 +156,11 @@ return {
   });
 });
 
-test('oauth flow timeout setting is persisted and normalized as boolean', () => {
+test('cloudflare temp email settings payload ignores removed UI-only flags', () => {
   const api = new Function(`
 const DEFAULT_VERIFICATION_RESEND_COUNT = 4;
 const PERSISTED_SETTING_DEFAULTS = {
   panelMode: 'cpa',
-  oauthFlowTimeoutEnabled: true,
   autoStepDelaySeconds: null,
   verificationResendCount: DEFAULT_VERIFICATION_RESEND_COUNT,
   mailProvider: '163',
@@ -222,15 +221,10 @@ return {
 };
   `)();
 
-  assert.equal(api.normalizePersistentSettingValue('oauthFlowTimeoutEnabled', 0), false);
-  assert.equal(api.normalizePersistentSettingValue('oauthFlowTimeoutEnabled', 1), true);
-
   assert.deepEqual(api.buildPersistentSettingsPayload({
-    oauthFlowTimeoutEnabled: false,
-  }), {
-    oauthFlowTimeoutEnabled: false,
-  });
+    removedUiOnlyFlag: false,
+  }), {});
 
   const defaults = api.buildPersistentSettingsPayload({}, { fillDefaults: true });
-  assert.equal(defaults.oauthFlowTimeoutEnabled, true);
+  assert.equal(Object.prototype.hasOwnProperty.call(defaults, 'removedUiOnlyFlag'), false);
 });