feat(organize): 整理记录列表带出二级分类

列表与详情的 media.category 取自冻结计划里的 classification.category，供整理记录行显示分类（对照 MP 历史记录页）；不需要迁移。

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Cxwgnn2pbzQ7rXv3rq7fei

apps/server/src/modules/acquisition-organize/services/organize-records.ts

@@ -70,6 +70,10 @@ export async function loadRecordsPublic(exec: Exec, rows: OrganizationRecordRow[
     const v = (metadata as { posterPath?: { value?: unknown } } | null)?.posterPath?.value;
     return typeof v === "string" && v ? v : null;
   };
+  const categoryOf = (plan: unknown) => {
+    const v = (plan as { classification?: { category?: unknown } } | null)?.classification?.category;
+    return typeof v === "string" && v ? v : null;
+  };
   // blocked:* 的说明在 error.conflicts[].detail(中文),有就用它,不把内部串直接给人看
   const conflictText = (err: unknown) =>
     ((err as { conflicts?: { detail?: string }[] } | null)?.conflicts ?? [])
@@ -119,6 +123,7 @@ export async function loadRecordsPublic(exec: Exec, rows: OrganizationRecordRow[
                 externalId: i.external_id,
               })),
             posterPath: posterOf(e.metadata),
+            category: categoryOf(r.plan),
           }
         : null,
       trigger: r.trigger,