chore: upgrade claude agent sdk (#150)

runners/agent-runner/src/sdk-env.ts

@@ -0,0 +1,15 @@
+export function buildClaudeSdkEnv(
+  baseEnv: Record<string, string | undefined>,
+  secrets: Record<string, string> = {},
+): Record<string, string | undefined> {
+  const env: Record<string, string | undefined> = { ...baseEnv };
+  for (const [key, value] of Object.entries(secrets)) {
+    env[key] = value;
+  }
+
+  // Claude Agent SDK 0.3.x connects MCP servers in the background by default.
+  // EJClaw expects its local MCP server to be available on the first turn.
+  env.MCP_CONNECTION_NONBLOCKING ??= '0';
+
+  return env;
+}