meshdisco.ts: beacon v2 scan (probe + classify) mirrored from meta-sort; LeaderClient.scan passthrough

packages/meta-fuse-core/src/kv/LeaderClient.ts

@@ -21,7 +21,7 @@
  */
 
 import { Logger } from 'tslog';
-import { MetaCoreLocator, type MeshNeighbor } from '../discovery/meshdisco.js';
+import { MetaCoreLocator, type MeshNeighbor, type ScanReport } from '../discovery/meshdisco.js';
 import type { LeaderLockInfo } from './IKVClient.js';
 
 const logger = new Logger({ name: 'LeaderClient' });
@@ -268,6 +268,11 @@ export class LeaderClient {
         return this.locator.self();
     }
 
+    /** Beacon v2 Scan card: probe, wait, classify `pattern` against `configured`. */
+    scan(pattern: string, configured: Array<[string, string]>, waitMs = 1500): Promise<ScanReport> {
+        return this.locator.scan(pattern, configured, waitMs);
+    }
+
     close(): void {
         this.onChangeCallbacks = [];
         void this.locator.stop();