fix: unix-crypt-td-js import for SWC CJS interop

SWC gives the function directly with `import * as`, but tsc sees a
namespace object. Use a type cast to bridge the mismatch. Reverts the
default import that caused `crypt.default is not a function` at runtime.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: stridera

apps/api/src/characters/characters.service.ts

@@ -10,7 +10,10 @@ import { ConfigService } from '@nestjs/config';
 import * as bcrypt from 'bcrypt';
 import * as crypto from 'crypto';
 import Redis from 'ioredis';
-import crypt from 'unix-crypt-td-js';
+// SWC CJS interop: import * gives the function directly at runtime,
+// but tsc sees it as { default: fn }. Cast to reconcile.
+import * as _crypt from 'unix-crypt-td-js';
+const crypt = _crypt as unknown as (password: string, salt: string) => string;
 import type { ItemInstanceFlag, Prisma } from '@muditor/db';
 import { DatabaseService } from '../database/database.service';
 import { RoleCalculatorService } from '../users/services/role-calculator.service';

apps/api/src/types/unix-crypt-td-js.d.ts

@@ -1,4 +1,3 @@
 declare module 'unix-crypt-td-js' {
-  function crypt(password: string, salt: string): string;
-  export = crypt;
+  export default function crypt(password: string, salt: string): string;
 }