fix(web): diagnose personal-report schema failures and ISO list timestamps

Keep report_schema_invalid for the user, but record the inner check, retry plan bind once, and format self-hosted timestamptz so the report list no longer shows 时间未知.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/app/api/reports/route.ts

@@ -14,6 +14,7 @@ import {
 } from "@/lib/personal-report-entitlement";
 import {
   resolveReportCreate,
+  reportListTimestamp,
   type ReportCreateCoreDeps,
 } from "@/lib/personal-report-route-core";
 import {
@@ -64,8 +65,10 @@ function listReportView(value: unknown) {
       : [],
     status: typeof row.status === "string" ? row.status : "failed",
     failureCode: typeof row.failure_code === "string" ? row.failure_code : null,
-    createdAt: typeof row.created_at === "string" ? row.created_at : "",
-    completedAt: typeof row.completed_at === "string" ? row.completed_at : null,
+    createdAt: reportListTimestamp(row.created_at),
+    completedAt: row.completed_at == null || row.completed_at === ""
+      ? null
+      : reportListTimestamp(row.completed_at) || null,
   };
 }