fix: start the MCP loopback listener

Termind/App/MCPServerController.swift

@@ -14,7 +14,8 @@ final class MCPServerController {
             switch self {
             case .stopped: String(localized: "Off")
             case .starting: String(localized: "Starting…")
-            case .ready(let port): String(localized: "Listening on localhost:\(port)")
+            case .ready(let port):
+                String(localized: "Listening on localhost:\(String(port))")
             case .failed(let reason): reason
             }
         }

Termind/Infrastructure/Networking/LoopbackHTTPServer.swift

@@ -92,7 +92,7 @@ actor LoopbackHTTPServer {
                 parameters.requiredLocalEndpoint = .hostPort(
                     host: NWEndpoint.Host(address), port: endpointPort
                 )
-                let listener = try NWListener(using: parameters, on: endpointPort)
+                let listener = try NWListener(using: parameters)
                 listener.newConnectionLimit = Self.maximumConnections
                 listener.newConnectionHandler = { [weak self] connection in
                     Task { await self?.accept(connection) }

TermindTests/LoopbackHTTPServerTests.swift

@@ -5,10 +5,21 @@ import Testing
 
 @Suite
 struct LoopbackHTTPServerTests {
+    @Test
+    func constructsLoopbackListenersWithoutDuplicatingThePortArgument() async throws {
+        let server = LoopbackHTTPServer()
+
+        try await server.start(port: 57_391, token: "test-token") { _ in
+            .text(200, "OK")
+        }
+        await server.stop()
+    }
+
     @Test
     func mcpServerIsOffByDefault() {
         #expect(SettingsKey.defaultMCPServerEnabled == false)
         #expect(SettingsKey.defaultMCPServerPort == 7_391)
+        #expect(MCPServerController.Status.ready(port: 7_391).label == "Listening on localhost:7391")
     }
 
     @Test