refactor(data-access): 补全剩余 37 个 data-access 文件迁移至 cacheFn

迁移范围：lesson-preparation 11 文件、attendance 3 文件、settings 4 文件、classes-invitations、跨模块接口 4 文件、adaptive-practice/ai/onboarding/invitation-codes/search/standards/scheduling/leave-requests/audit。修复 3 个 cacheFn 块位置错误。同步架构文档迁移范围至 83 文件 250+ 函数。

drizzle/meta/_journal.json

@@ -8,6 +8,13 @@
       "when": 1783064688766,
       "tag": "0000_aberrant_deathstrike",
       "breakpoints": true
+    },
+    {
+      "idx": 1,
+      "version": "5",
+      "when": 1783234384304,
+      "tag": "0001_questions_fulltext_search",
+      "breakpoints": true
     }
   ]
 }