R70 A7：新增自动辅助试运行脚本

client/package.json

@@ -10,6 +10,7 @@
     "test:e2e": "playwright test",
     "test:e2e:smoke": "playwright test tests/e2e/login-portal-ux.spec.ts tests/e2e/wecom-entry.spec.ts",
     "test:e2e:full": "playwright test",
+    "test:e2e:r70-assist": "R70_TRIALRUN_ASSIST=1 playwright test tests/e2e/manual/r70-trialrun-assist.spec.ts --workers=1 --reporter=list",
     "test:e2e:live": "playwright test tests/e2e/live-smoke.spec.ts",
     "preview": "vite preview"
   },