feat: talk mode key distribution and tts polling

apps/macos/Sources/Clawdis/GatewayConnection.swift

@@ -51,6 +51,7 @@ actor GatewayConnection {
         case providersStatus = "providers.status"
         case configGet = "config.get"
         case configSet = "config.set"
+        case talkMode = "talk.mode"
         case webLoginStart = "web.login.start"
         case webLoginWait = "web.login.wait"
         case webLogout = "web.logout"
@@ -483,6 +484,12 @@ extension GatewayConnection {
         return res.aborted ?? false
     }
 
+    func talkMode(enabled: Bool, phase: String? = nil) async {
+        var params: [String: AnyCodable] = ["enabled": AnyCodable(enabled)]
+        if let phase { params["phase"] = AnyCodable(phase) }
+        try? await self.requestVoid(method: .talkMode, params: params)
+    }
+
     // MARK: - VoiceWake
 
     func voiceWakeGetTriggers() async throws -> [String] {