fix: retire idle bundled MCP runtimes

src/hooks/llm-slug-generator.test.ts

@@ -34,6 +34,7 @@ describe("generateSlugViaLLM", () => {
     expect(runEmbeddedPiAgentMock.mock.calls[0]?.[0]).toEqual(
       expect.objectContaining({
         timeoutMs: 15_000,
+        cleanupBundleMcpOnRunEnd: true,
       }),
     );
   });

src/hooks/llm-slug-generator.ts

@@ -75,6 +75,7 @@ Reply with ONLY the slug, nothing else. Examples: "vendor-pitch", "api-design",
       model,
       timeoutMs,
       runId: `slug-gen-${Date.now()}`,
+      cleanupBundleMcpOnRunEnd: true,
     });
 
     // Extract text from payloads