Canvas: fix A2UI click actions

apps/macos/Tests/ClawdisIPCTests/VoicePushToTalkHotkeyTests.swift

@@ -0,0 +1,37 @@
+import AppKit
+import Testing
+@testable import Clawdis
+
+@Suite(.serialized) struct VoicePushToTalkHotkeyTests {
+    actor Counter {
+        private(set) var began = 0
+        private(set) var ended = 0
+
+        func incBegin() { self.began += 1 }
+        func incEnd() { self.ended += 1 }
+        func snapshot() -> (began: Int, ended: Int) { (self.began, self.ended) }
+    }
+
+    @Test func beginEndFiresOncePerHold() async {
+        let counter = Counter()
+        let hotkey = VoicePushToTalkHotkey(
+            beginAction: { await counter.incBegin() },
+            endAction: { await counter.incEnd() })
+
+        await MainActor.run {
+            hotkey._testUpdateModifierState(keyCode: 61, modifierFlags: [.option])
+            hotkey._testUpdateModifierState(keyCode: 61, modifierFlags: [.option])
+            hotkey._testUpdateModifierState(keyCode: 61, modifierFlags: [])
+        }
+
+        for _ in 0..<50 {
+            let snap = await counter.snapshot()
+            if snap.began == 1, snap.ended == 1 { break }
+            try? await Task.sleep(nanoseconds: 10_000_000)
+        }
+
+        let snap = await counter.snapshot()
+        #expect(snap.began == 1)
+        #expect(snap.ended == 1)
+    }
+}

apps/macos/Tests/ClawdisIPCTests/VoiceWakeForwarderTests.swift

@@ -17,6 +17,6 @@ import Testing
         #expect(opts.thinking == "low")
         #expect(opts.deliver == true)
         #expect(opts.to == nil)
-        #expect(opts.channel == "last")
+        #expect(opts.channel == .last)
     }
 }