feat(macos): open OpenWorlds play surface

macos/ClawDnDApp/Sources/ClawDnDApp/Models/LocalEndpoint.swift

@@ -22,6 +22,10 @@ struct LocalEndpoint: Identifiable, Equatable {
         url.appendingPathComponent("dashboard")
     }
 
+    var openWorldsURL: URL {
+        url.appendingPathComponent("openworlds")
+    }
+
     var monitorURL: URL {
         url.appendingPathComponent("monitor")
     }

macos/ClawDnDApp/Sources/ClawDnDApp/Services/AppProcessService.swift

@@ -70,7 +70,6 @@ final class AppProcessService: ObservableObject {
             try throwAndRecord("Could not find a free viewer port near \(preferredPort).")
         }
         let baseURL = URL(string: "http://127.0.0.1:\(port)")!
-        let dashboard = baseURL.appendingPathComponent("dashboard")
         var env: [String: String] = [:]
         if !stateDir.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
             env["CLAWDND_STATE_DIR"] = (stateDir as NSString).expandingTildeInPath
@@ -86,14 +85,15 @@ final class AppProcessService: ObservableObject {
         )
         viewerProcess = managed
         activeCampaignID = campaignID
-        viewerEndpoint = LocalEndpoint(
+        let endpoint = LocalEndpoint(
             name: "Viewer",
             url: baseURL,
             healthPath: "/state",
             status: .running
         )
-        append("Started viewer pid \(managed.pid) on \(dashboard.absoluteString)", stream: .supervisor)
-        return dashboard
+        viewerEndpoint = endpoint
+        append("Started viewer pid \(managed.pid) on \(endpoint.openWorldsURL.absoluteString)", stream: .supervisor)
+        return endpoint.openWorldsURL
     }
 
     func stopViewer() {
@@ -177,15 +177,15 @@ final class AppProcessService: ObservableObject {
         providerProcess = managed
         runningProvider = kind
         let baseURL = URL(string: "http://127.0.0.1:\(port)")!
-        let dashboard = baseURL.appendingPathComponent("dashboard")
-        viewerEndpoint = LocalEndpoint(
+        let endpoint = LocalEndpoint(
             name: "Provider viewer",
             url: baseURL,
             healthPath: "/state",
             status: .starting
         )
+        viewerEndpoint = endpoint
         append("\(request.message) pid \(managed.pid)", stream: .provider)
-        return dashboard
+        return endpoint.openWorldsURL
     }
 
     func stopProvider() {

macos/ClawDnDApp/Sources/ClawDnDApp/Views/CampaignsView.swift

@@ -39,7 +39,7 @@ struct CampaignsView: View {
                             CampaignRow(campaign: campaign)
                                 .tag(campaign.id)
                                 .contextMenu {
-                                    Button("Open in Dashboard") {
+                                    Button("Open in Play Surface") {
                                         open(campaign)
                                     }
                                 }

macos/ClawDnDApp/Sources/ClawDnDApp/Views/MonitorView.swift

@@ -50,13 +50,13 @@ struct MonitorView: View {
     private func openMonitor() {
         do {
             webViewErrorMessage = nil
-            let dashboard = try processService.startViewer(
+            let surface = try processService.startViewer(
                 repoPath: repoPath,
                 preferredPort: preferredPort,
                 stateDir: stateDir
             )
             webURL = processService.viewerEndpoint?.monitorURL
-                ?? dashboard.deletingLastPathComponent().appendingPathComponent("monitor")
+                ?? surface.deletingLastPathComponent().appendingPathComponent("monitor")
         } catch {
             alertMessage = error.localizedDescription
         }

macos/ClawDnDApp/Sources/ClawDnDApp/Views/PlayView.swift

@@ -64,7 +64,7 @@ struct PlayView: View {
                 Button {
                     startViewer()
                 } label: {
-                    Label("Open Dashboard", systemImage: "rectangle.on.rectangle")
+                    Label("Open Play Surface", systemImage: "rectangle.on.rectangle")
                 }
                 Button {
                     startProvider()

macos/ClawDnDApp/Sources/ClawDnDApp/Views/WebView.swift

@@ -48,7 +48,7 @@ struct WebView: NSViewRepresentable {
         private func report(_ error: Error) {
             let nsError = error as NSError
             guard nsError.domain != NSURLErrorDomain || nsError.code != NSURLErrorCancelled else { return }
-            navigationError.wrappedValue = "Dashboard failed to load: \(error.localizedDescription)"
+            navigationError.wrappedValue = "Surface failed to load: \(error.localizedDescription)"
         }
     }
 }
@@ -62,7 +62,7 @@ struct WebViewErrorView: View {
             Image(systemName: "exclamationmark.triangle")
                 .font(.system(size: 42, weight: .regular))
                 .foregroundStyle(.orange)
-            Text("Dashboard Unavailable")
+            Text("Surface Unavailable")
                 .font(.title3.weight(.semibold))
             Text(message)
                 .font(.callout)