revert: non-custodial — client supplies addresses+paths to POST /wallets/create

apps/api/src/index.ts

@@ -1,7 +1,6 @@
 import app from './app';
 import { env, initEnv } from './config/env';
 import { refreshAllKeys, startKeyRotation, stopKeyRotation } from './services/key-rotation.service';
-import { isCryptoReady } from './services/crypto.service';
 import { logger } from './lib/logger';
 
 async function main() {
@@ -9,13 +8,6 @@ async function main() {
 
   await initEnv();
   await refreshAllKeys();
-
-  // Custodial: без master-key сервис не может расшифровать ни одну мнемонику — fail fast.
-  if (!isCryptoReady()) {
-    logger.error('Crypto master key not loaded — refusing to start (custodial wallets require it)');
-    process.exit(1);
-  }
-
   startKeyRotation();
 
   const server = app.listen(env.port, () => {