feat: 升级至 v0.3.16 — 工单修复 51 项 + 审查修复 30 项（安全加固/适配器/工具系统/数据层/前端）

electron/ipc/handlers.ts

@@ -1208,6 +1208,37 @@ export function registerAllIPCHandlers(
     return { success: true, inherited, failed };
   });
 
+  // #51 修复: 校验源数据库完整性，防止继承损坏的数据库（如 WAL 损坏）导致新工作空间数据丢失
+  // 在前端勾选 inheritDatabase 时调用，执行 PRAGMA integrity_check
+  ipcMain.handle('workspace:checkDatabaseIntegrity', async (_event, sourcePath: string) => {
+    if (!sourcePath) return { success: false, error: '参数无效' };
+    const { existsSync } = await import('fs');
+    const { resolve } = await import('path');
+    const srcFile = join(resolve(sourcePath), '.metona', 'agent.db');
+    if (!existsSync(srcFile)) {
+      // 源数据库不存在不算损坏（可能是新工作空间尚未创建数据库），视为校验通过
+      return { success: true, ok: true, detail: 'source database not exist' };
+    }
+    try {
+      const Database = (await import('better-sqlite3')).default;
+      // 以只读方式打开源库，避免锁竞争
+      const db = new Database(srcFile, { readonly: true, fileMustExist: true });
+      try {
+        const result = db.prepare('PRAGMA integrity_check').get() as { integrity_check: string };
+        const ok = result.integrity_check === 'ok';
+        if (!ok) {
+          log.warn(`[WORKSPACE] Source database integrity check failed: ${result.integrity_check} (source=${sourcePath})`);
+        }
+        return { success: true, ok, detail: result.integrity_check };
+      } finally {
+        db.close();
+      }
+    } catch (err) {
+      log.error(`[WORKSPACE] Failed to check database integrity: ${(err as Error).message}`);
+      return { success: false, error: (err as Error).message };
+    }
+  });
+
   // 获取当前工作空间详情：路径 + 2 个核心文件状态 + 自动目录状态
   ipcMain.handle('workspace:getInfo', async () => {
     const { existsSync, statSync, readFileSync, readdirSync } = await import('fs');