fix: 放开 2925 全模式目标邮箱匹配

- 让 2925 提供邮箱与接收邮箱模式都启用 targetEmail 弱匹配
- 同步更新轮询测试，验证 provide 与 receive 模式行为一致

background/verification-flow.js

@@ -214,8 +214,7 @@
 
     function getVerificationPollPayload(step, state, overrides = {}) {
       const is2925Provider = state?.mailProvider === '2925';
-      const mail2925MatchTargetEmail = is2925Provider
-        && String(state?.mail2925Mode || '').trim().toLowerCase() === 'receive';
+      const mail2925MatchTargetEmail = is2925Provider;
       if (step === 4) {
         return {
           filterAfterTimestamp: is2925Provider ? 0 : getHotmailVerificationRequestTimestamp(4, state),

tests/verification-flow-polling.test.js

@@ -43,7 +43,7 @@ test('verification flow keeps 2925 polling cadence in the default payload', () =
   assert.equal(step8Payload.intervalMs, 15000);
 });
 
-test('verification flow only enables 2925 target email matching in receive mode', () => {
+test('verification flow enables 2925 target email matching in both provide and receive modes', () => {
   const helpers = api.createVerificationFlowHelpers({
     addLog: async () => {},
     chrome: { tabs: { update: async () => {} } },
@@ -82,7 +82,7 @@ test('verification flow only enables 2925 target email matching in receive mode'
     mail2925Mode: 'receive',
   });
 
-  assert.equal(providePayload.mail2925MatchTargetEmail, false);
+  assert.equal(providePayload.mail2925MatchTargetEmail, true);
   assert.equal(receivePayload.mail2925MatchTargetEmail, true);
 });