Function release

packages/plugins/mcp/src/sdk/connection-pool.ts:142–155

(key: string, lease: ConnectionLease, exit: Exit.Exit<A, E>)

    });

  const release = <A, E>(key: string, lease: ConnectionLease, exit: Exit.Exit<A, E>) =>
    Effect.gen(function* () {
      if (shouldDropConnection(exit)) {
        yield* closeQuietly(lease.connection);
        return;
      }

      const displaced = yield* Effect.sync(() => {
        if (idle.has(key)) return lease.connection;
        idle.set(key, { connection: lease.connection, idleSince: Date.now() });
        return undefined;
      });
      if (displaced) yield* closeQuietly(displaced);
    });

  const withConnection: McpConnectionPool["withConnection"] = (key, connector, use) => {
    let reused = false;