feat(M13): sync schema — retry_count on ClaudeJob, verify_only on Task, VerifyResult enum

prisma/schema.prisma

@@ -270,6 +270,7 @@ model ClaudeJob {
   summary             String?
   error               String?
   verify_result       VerifyResult?
+  retry_count         Int             @default(0)
   created_at          DateTime        @default(now())
   updated_at          DateTime        @updatedAt