macOS: stop flapping gateway port

apps/macos/Sources/Clawdbot/GatewayProcessManager.swift

@@ -87,6 +87,14 @@ final class GatewayProcessManager {
             self.status = .stopped
             return
         }
+        // Many surfaces can call `setActive(true)` in quick succession (startup, Canvas, health checks).
+        // Avoid spawning multiple concurrent "start" tasks that can thrash launchd and flap the port.
+        switch self.status {
+        case .starting, .running, .attachedExisting:
+            return
+        case .stopped, .failed:
+            break
+        }
         self.status = .starting
         self.logger.debug("gateway start requested")
 

apps/macos/Sources/Clawdbot/PortGuardian.swift

@@ -351,10 +351,11 @@ actor PortGuardian {
             if port == GatewayEnvironment.gatewayPort() { return cmd.contains("ssh") }
             return false
         case .local:
-            if !cmd.contains("clawdbot") { return false }
+            // The gateway daemon may listen as `clawdbot` or as its runtime (`node`, `bun`, etc).
             if full.contains("gateway-daemon") { return true }
             // If args are unavailable, treat a clawdbot listener as expected.
-            return full == cmd
+            if cmd.contains("clawdbot"), full == cmd { return true }
+            return false
         case .unconfigured:
             return false
         }