Function closeMcpSession

apps/sim/lib/mcp/oauth/probe.ts:96–116

* Best-effort DELETE to release the streamable-HTTP session the probe just * allocated. Reuses the probe's pinned fetch so this cleanup hop stays pinned. * Failures are ignored — the session will expire on the server side.

(
  url: string,
  sessionId: string,
  probeFetch: FetchLike
)

 * Failures are ignored — the session will expire on the server side.
 */
async function closeMcpSession(
  url: string,
  sessionId: string,
  probeFetch: FetchLike
): Promise<void> {
  try {
    const controller = new AbortController()
    const timer = setTimeout(() => controller.abort(), PROBE_TIMEOUT_MS)
    try {
      await probeFetch(url, {
        method: 'DELETE',
        headers: { 'Mcp-Session-Id': sessionId },
        signal: controller.signal,
      })
    } finally {
      clearTimeout(timer)
    }
  } catch {
    // Ignore — best-effort cleanup
  }
}