feat(runner-template): MCP Streamable HTTP + OAuth 2.1 resource server template

apps/runner-template/src/server.ts

@@ -0,0 +1,18 @@
+// Placeholder. The generator overwrites this file with rendered code.
+import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
+import { StreamableHTTPServerTransport } from '@modelcontextprotocol/sdk/server/streamableHttp.js';
+import Fastify from 'fastify';
+import { randomUUID } from 'node:crypto';
+
+const PORT = Number.parseInt(process.env.PORT ?? '3000', 10);
+const server = new McpServer({ name: 'placeholder', version: '0.0.0' });
+const transport = new StreamableHTTPServerTransport({ sessionIdGenerator: () => randomUUID() });
+
+const app = Fastify({ logger: { level: 'info' } });
+app.get('/health', async () => ({ ok: true }));
+app.all('/mcp', async (req, reply) => {
+  await transport.handleRequest(req.raw, reply.raw, req.body);
+});
+
+await server.connect(transport);
+await app.listen({ port: PORT, host: '0.0.0.0' });