refactor(login): move match-route logic to dedicated service and fix import

- 提取登录回跳、产品对比的路由匹配逻辑至独立的 match-route.uts 服务
- 修复登录页面导入对比服务的错误，改为导入新的 match-route 模块
- 保持原有的路由参数校验和跳转逻辑不变，仅重构代码结构

docs/候选版本/rc-20261009-r3-mp1/frontend-checks.json

@@ -0,0 +1,15 @@
+{
+  "candidateId": "rc-20261009-r3-mp1",
+  "recordedAtUtc": "2026-10-09T01:50:23.869303+00:00",
+  "entry": "scripts/test-match-route.cjs",
+  "entrySha256": "f0065488c01fd2cae0b89718b9c1ccba581a66aa9f1b2ce29406c93381d4da7d",
+  "exitCode": 0,
+  "checks": 31,
+  "outputSha256": "3039a70fd433379e899bc27dafdea0010dc7dadead3c023a722c9172f4d7572b",
+  "errorSha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+  "networkRequests": 0,
+  "generatedOutputFreshnessChecked": true,
+  "formalAcceptance": false,
+  "realDeviceTested": false,
+  "boundary": "实际生成JavaScript及隔离的微信生命周期/窗口信息桩；不等同实际微信模拟器或真机。"
+}