Function runTraced

apps/cloud/src/mcp/agent-handler.ts:176–190

(
  request: Request,
  env: Env,
  program: Effect.Effect<A, never, McpAuthProvider>,
)

// `McpAuthProvider` from it; the telemetry layer is still provided per run, so
// spans keep exporting exactly as before.
const runTraced = <A>(
  request: Request,
  env: Env,
  program: Effect.Effect<A, never, McpAuthProvider>,
): Promise<A> => {
  const parsed = parseTraceparent(
    request.headers.get("traceparent"),
    request.headers.get("tracestate"),
  );
  return mcpAuthRuntimeFor(mcpAuthBindingsFingerprint(env)).runPromise(
    (parsed ? OtelTracer.withSpanContext(program, parsed) : program).pipe(
      Effect.provide(WorkerTelemetryLive),
    ),
  );
};

// The MCP resource the request targets. `server.ts` routes both the bare `/mcp`
// and `/mcp/toolkits/<slug>` to this handler (`prepareMcpOrgScope` strips the org