fix(remote): retry node connections that hang after launch

Right after launch macOS briefly reports 'Local network prohibited'; the
connection then stayed in waiting and was never retried. Connect attempts now
time out after 6 s and start over; the waiting reason is logged.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Packages/MusubiKit/Sources/Remote/NodeBrowser.swift

@@ -142,7 +142,8 @@ public final class NodeBrowser {
                 node.isConnected = false
                 node.link = nil
                 scheduleRetry(node)
-            case .waiting:
+            case .waiting(let reason):
+                log.notice("Control: \(node.id, privacy: .public) waiting: \(reason.localizedDescription, privacy: .public)")
                 link.cancel()
             default:
                 break
@@ -150,6 +151,16 @@ public final class NodeBrowser {
         }
         node.link = link
         link.start()
+
+        // A connection can hang in preparing/waiting (e.g. local network access pending); start over.
+        Task { [weak self, weak node] in
+            try? await Task.sleep(for: .seconds(6))
+            guard let self, let node, node.link === link, !node.isConnected else { return }
+            log.notice("Control: \(node.id, privacy: .public) not ready after 6 s, retrying")
+            link.cancel()
+            node.link = nil
+            scheduleRetry(node)
+        }
     }
 
     private func scheduleRetry(_ node: Node) {