test: expand menu and node coverage

apps/macos/Tests/ClawdisIPCTests/BridgeServerTests.swift

@@ -0,0 +1,10 @@
+import Testing
+@testable import Clawdis
+
+@Suite(.serialized)
+struct BridgeServerTests {
+    @Test func bridgeServerExercisesPaths() async {
+        let server = BridgeServer()
+        await server.exerciseForTesting()
+    }
+}