Run byre and the app on their own embedded Tailscale nodes

mac/Sources/Byre/TranscriptBuilder.swift

@@ -19,7 +19,7 @@ struct Call {
 enum NotePart {
     case text(String)
     case task(String)
-    case url(String)
+    case preview(taskId: String, port: Int)
 }
 
 enum NoteStyle {
@@ -833,7 +833,7 @@ final class TranscriptBuilder {
             return note([.text("didn't merge after the review: \(jsString(p["reason"]))")])
 
         case "preview.exposed":
-            return note([.text("\(ev.actor) exposed \"\(jsString(p["name"]))\" at "), .url(String(int(p, "port") ?? 0))])
+            return note([.text("\(ev.actor) exposed \"\(jsString(p["name"]))\" at "), .preview(taskId: ev.taskId ?? "", port: int(p, "port") ?? 0)])
 
         case "task.merged":
             let commit = str(p, "commit") ?? ""