merge(HEL-193): 以 .11 线上基线 013ed29 整合行情历史补档 8e94c7b（HEL-190/HEL-199）

- 合入 agent/agent/ebb4e3e0638a：真实交易日历补最近60日快照 + sys.path 引导返工
- architecture-inventory 于合并后重新生成

Co-authored-by: multica-agent <github@multica.ai>

frontend/shared/admin.js

@@ -7,7 +7,14 @@ async function backfillData() {
       start_date: document.querySelector("#backfillStart").value,
       end_date: document.querySelector("#backfillEnd").value,
     });
-    showToast(`历史回补完成，共处理 ${payload.results.length} 个工作日`);
+    const failed = (payload.failed_count || 0);
+    const skipped = (payload.skipped_non_trading_days || []).length;
+    const suffix = failed
+      ? `，失败 ${failed} 个`
+      : skipped
+        ? `，跳过 ${skipped} 个非交易日`
+        : "";
+    showToast(`历史回补完成，共处理 ${payload.results.length} 个交易日${suffix}`);
     state.sentimentHistory = null;
     state.sentimentHistoryKey = "";
     if (state.activeView === "sentimentCycleView") {