cleanup: 去冗余+归档一次性脚本

- 移除重复的系统健康检查-每日(no_agent版,与LLM版重叠)
- 归档42个一次性脚本(移出MoFin/scripts→archive/scripts):
  - fix_*: 历史数据修复(11个)
  - migrate_*/rollback_*: 数据迁移(2个)
  - 一次性数据修复: bulk/close/data_freshness等(16个)
  - check_*/verify_*/diagnose_*: 历史诊断工具(12个)
  - test_*: 测试脚本(3个)
- 84个活跃脚本, 0架构违规, 31张healthy数据表

archive/scripts/check_db_paths.py

@@ -0,0 +1,22 @@
+import sqlite3
+
+# Script connects to THIS db
+proj_db = '/home/hmo/projects/MoFin/data/mofin.db'
+# Real data lives in THIS db
+real_db = '/home/hmo/web-dashboard/data/mofin.db'
+
+for label, path in [("project", proj_db), ("real", real_db)]:
+    db = sqlite3.connect(path)
+    tables = [r[0] for r in db.execute("SELECT name FROM sqlite_master WHERE type='table'")]
+    print(f"{label} db ({path}): {len(tables)} tables")
+    for t in tables:
+        if t == 'todos':
+            sql = db.execute(f"SELECT sql FROM sqlite_master WHERE name='{t}'").fetchone()
+            print(f"  {t}: {sql[0][:100] if sql else 'no sql'}")
+        elif t in ('holdings', 'holding_strategies', 'watchlist_stocks', 'portfolio_summary'):
+            cnt = db.execute(f"SELECT COUNT(*) FROM {t}").fetchone()[0]
+            print(f"  {t}: {cnt} rows")
+        else:
+            cnt = db.execute(f"SELECT COUNT(*) FROM {t}").fetchone()[0]
+            print(f"  {t}: {cnt} rows")
+    db.close()