fix(HEL-190): 按真实交易日历补齐最近60日快照，修复断档后只显示当天

保留连续性过滤，新增可审计补档工具与备份步骤；周末/节假日与真缺档分开处理，支持重复执行与部分失败续跑。

Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: multica-agent <github@multica.ai>

config/architecture-inventory.json

@@ -541,8 +541,8 @@
     },
     {
       "path": "frontend/shared/admin.js",
-      "bytes": 14145,
-      "lines": 261
+      "bytes": 14410,
+      "lines": 268
     },
     {
       "path": "backend/features/heaven/market_context.py",
@@ -799,6 +799,11 @@
       "bytes": 1919,
       "lines": 45
     },
+    {
+      "path": "backend/features/system/routes.py",
+      "bytes": 1791,
+      "lines": 46
+    },
     {
       "path": "backend/jobs/service.py",
       "bytes": 1746,
@@ -829,11 +834,6 @@
       "bytes": 1455,
       "lines": 48
     },
-    {
-      "path": "backend/features/system/routes.py",
-      "bytes": 1423,
-      "lines": 40
-    },
     {
       "path": "backend/features/themes/routes.py",
       "bytes": 1337,