refactor: remove bridge protocol

apps/macos/Sources/Clawdbot/OnboardingView+Testing.swift

@@ -9,14 +9,14 @@ extension OnboardingView {
         let discovery = GatewayDiscoveryModel(localDisplayName: InstanceIdentity.displayName)
         discovery.statusText = "Searching..."
         let gateway = GatewayDiscoveryModel.DiscoveredGateway(
-            displayName: "Test Bridge",
-            lanHost: "bridge.local",
-            tailnetDns: "bridge.ts.net",
+            displayName: "Test Gateway",
+            lanHost: "gateway.local",
+            tailnetDns: "gateway.ts.net",
             sshPort: 2222,
             gatewayPort: 18789,
             cliPath: "/usr/local/bin/clawdbot",
-            stableID: "bridge-1",
-            debugID: "bridge-1",
+            stableID: "gateway-1",
+            debugID: "gateway-1",
             isLocal: false)
         discovery.gateways = [gateway]