fix: remove unused imports (CodeQL alerts #23, #24) (#53)

Co-authored-by: Temp <mike@adamic.ai>

Author: neverinfamous

src/adapters/mysql/tools/__tests__/security_integration.test.ts

@@ -12,7 +12,6 @@ import {
 import { getBackupTools } from "../admin/index.js";
 import { getJsonTools } from "../json/index.js";
 import type { MySQLAdapter } from "../../MySQLAdapter.js";
-import { ValidationError } from "../../../../utils/validators.js";
 
 describe("Security: Validation Flow Integration", () => {
   let mockAdapter: ReturnType<typeof createMockMySQLAdapter>;

src/codemode/__tests__/sandbox-factory.test.ts

@@ -5,7 +5,7 @@
  * sandbox/pool creation, and mode info retrieval.
  */
 
-import { describe, it, expect, vi, beforeEach, afterEach } from "vitest";
+import { describe, it, expect, vi, afterEach } from "vitest";
 import {
   setDefaultSandboxMode,
   getDefaultSandboxMode,