feat(web): W5-C subscription progress, manual search and episode total

- subscription sheet: 立即搜索, active-search times, 追更进度 (per-season total with source/lock,
  per-episode state chips, in-flight/deferred counts) and set/lock season episode total
- labels for subscription pending and candidate decision deferred

Co-Authored-By: Claude Opus 5.5 <[email protected]>

apps/web/app/components/workbench/release-detail-sheet.tsx

@@ -24,6 +24,7 @@ const DECISION_LABEL = {
   reject: { label: "不收录", tone: "destructive" },
   unknown_field: { label: "缺字段,待复核", tone: "warning" },
   skipped: { label: "被跳过", tone: "neutral" },
+  deferred: { label: "延后(单元在途)", tone: "warning" },
 } as const;
 
 /** 本地库存 + 候选理由(来自作品详情:Slot / CandidateEvaluation),不从标题猜 */