fix: 修复 transaction 表名与 Dexie 内置方法冲突（导出 JSON 与记账失效）

intern-log/src/sync/engine.ts

@@ -35,13 +35,13 @@ function rowHash(row: AnyRow): string {
 }
 
 async function getTable(name: string): Promise<AnyRow[]> {
-  return (db as unknown as AnyRow)[name].toArray()
+  return db.table(name).toArray()
 }
 
 // 一次性补齐 uuid 与 updated_at，缺失时回填
 async function ensureSyncFields(): Promise<void> {
   for (const t of TABLES) {
-    const table = (db as unknown as AnyRow)[t]
+    const table = db.table(t)
     const rows: AnyRow[] = await table.toArray()
     for (const row of rows) {
       if (t === 'setting' && EXCLUDE_SETTING_KEYS.has(row.key)) continue
@@ -287,7 +287,7 @@ async function doRunSync(config: SyncConfig): Promise<SyncResult> {
   const finalMirror: { table: string; uuid: string; hash: string }[] = []
 
   for (const t of TABLES) {
-    const table = (db as unknown as AnyRow)[t]
+    const table = db.table(t)
     const localRows: AnyRow[] = await table.toArray()
     const byUuid = new Map<string, AnyRow>()
     for (const row of localRows) byUuid.set(row.uuid, row)