fix: prune matched media collection roots

src/helpers.ts

@@ -14,7 +14,7 @@ import { createHash, randomUUID } from "node:crypto";
 
 // ── Konstanten ──────────────────────────────────────────────────────────
 export const MUA_SERVER_NAME = "mua";
-export const MUA_VERSION = "2026.08.24.r020";
+export const MUA_VERSION = "2026.08.24.r021";
 export const MUA_PROTOCOL_VERSION = "2025-03-26";
 export const PHP_HELPER = "/usr/local/bin/unraid-docker-mcp-helper.php";
 export const STATUS_HELPER = "/usr/local/bin/unraid-mcp-status-helper.php";

src/tools.ts

@@ -542,7 +542,7 @@ export const TOOLS: ToolDef[] = [
       properties: {
         share: str("Exact Unraid share name, for example Audiobooks"),
         relative_path: str("Optional path below the share; never use /mnt/user or an absolute path"),
-        name_contains: str("Optional case-insensitive basename fragment, for example 'drei'. It filters returned entries; use a second call on a matched directory to list its descendants"),
+        name_contains: str("Optional case-insensitive basename fragment, for example 'drei'. A matching directory is returned as a collection root and pruned from further discovery; use a second call on that directory with an empty filter to list its descendants"),
         max_depth: int("Maximum directory depth below relative_path (1-20, default 10)"),
         max_entries: int("Maximum returned entries (1-5000, default 2000)"),
         include_files: { type: "boolean", description: "Include files (default true)" },