feat(mcp): manage master data and cost centre hierarchies

backend/src/mcp/tools/masterdata.ts

@@ -1,3 +1,5 @@
+import { masterdataMutationTools } from "./masterdataWrites"
+import { organisationTools } from "./organisation"
 import { limitFromArgs, offsetFromArgs, paginatedResult, paginationProperties } from "../pagination"
 import { and, desc, eq, ilike, or } from "drizzle-orm"
 import {
@@ -34,6 +36,12 @@ const uuidArg = (args: Record<string, unknown>, key: string) => {
 }
 
 export const masterdataTools: McpTool[] = [
+    ...masterdataMutationTools,
+    {
+        ...organisationTools.find((tool) => tool.name === "organisation.customers.search")!,
+        name: "masterdata.customers.search",
+        requiredPermissions: ["masterdata.customers.read"],
+    },
     {
         name: "masterdata.customers.get",
         title: "Kunde laden",