fix bruno collection

tests/helpers/mockDb.ts

@@ -0,0 +1,42 @@
+/**
+ * MockDatabaseConnection — in-memory stub for tests.
+ *
+ * Substitutes for DatabaseConnection when better-sqlite3 is unavailable
+ * (e.g. native binary built for wrong platform).
+ * All mutation methods are no-ops; read methods return empty results.
+ */
+
+import { QueryBuilder } from '../../server/domains/shared/utils/QueryBuilder.js';
+import { QueryAudit } from '../../server/domains/shared/db/QueryAudit.js';
+
+export class MockDatabaseConnection {
+  private audit = new QueryAudit();
+
+  all<T = Record<string, unknown>>(_qb: QueryBuilder): T[] {
+    return [];
+  }
+
+  get<T = Record<string, unknown>>(_qb: QueryBuilder): T | null {
+    return null;
+  }
+
+  run(_qb: QueryBuilder): number {
+    return 0;
+  }
+
+  transaction<T>(fn: () => T): T {
+    return fn();
+  }
+
+  raw(): never {
+    throw new Error('MockDatabaseConnection: raw() not available in tests');
+  }
+
+  getAudit(): QueryAudit {
+    return this.audit;
+  }
+
+  clearStatementCache(): void {}
+
+  printAudit(): void {}
+}