test: bind MCP validation and cleanup faults to selected inputs

scripts/lib/artifact-e2e.d.mts

@@ -0,0 +1,11 @@
+import type {
+  Client,
+  CallToolRequestOptions,
+} from "@modelcontextprotocol/client";
+
+/** Call with the server's advertised schema; callers cannot replace it. */
+export function artifactMcpCall(
+  client: Client,
+  parameters: Parameters<Client["callTool"]>[0],
+  options?: Omit<CallToolRequestOptions, "toolDefinition">,
+): ReturnType<Client["callTool"]>;