fix(agent_service): 设置默认识别模式为normal并移除冗余日志

移除AgentServiceImpl中的冗余日志输出
在AgentServicePlugin中设置currentRecognitionMode默认值
添加AzureTtsHelper的调试日志用于跟踪识别模式

local_plugins/agent_service/ios/agent_service/Sources/agent_service/AgentServiceImpl.swift

@@ -713,10 +713,7 @@ class AgentServiceImpl: NSObject {
             _ = chatApiService?.cancelCurrentStream()
         }
         stopTts()
-        currentRecognitionMode = "normal"
-
-        os_log("开始处理文本输入", log: logger, type: .info)
-        
+      
         processWithChatApiService(sessionid: sessionid, text: text, speakResponse: speakResponse)
         return true
     }
@@ -749,7 +746,7 @@ class AgentServiceImpl: NSObject {
         stopTts();
         
         isAiStreaming = true
-        os_log("设置AI流式状态为true", log: logger, type: .info)
+        // os_log("设置AI流式状态为true", log: logger, type: .info)
         
         var messages: [[String: Any]] = []
         
@@ -766,17 +763,17 @@ class AgentServiceImpl: NSObject {
             // print("用户画像数据: \(info)")
             
             let _systemPrompt = fillTemplate(systemPrompt, with: info)
-            print("替换后的系统提示词: \(_systemPrompt)")
+            // print("替换后的系统提示词: \(_systemPrompt)")
             
             messages.append(chatApiService.createSystemMessage(content: _systemPrompt))
-            os_log("添加系统提示消息", log: logger, type: .info)
+            // os_log("添加系统提示消息", log: logger, type: .info)
         }
         
         messages.append(contentsOf: chatHistory)
-        os_log("添加历史消息: %d条", log: logger, type: .info, chatHistory.count)
+        // os_log("添加历史消息: %d条", log: logger, type: .info, chatHistory.count)
         
         messages.append(userMessage)
-        os_log("添加用户消息", log: logger, type: .info)
+        // os_log("添加用户消息", log: logger, type: .info)
         
         // 保存用户消息
         self.chatStorageHelper.saveMessage(

local_plugins/agent_service/ios/agent_service/Sources/agent_service/AgentServicePlugin.swift

@@ -121,6 +121,7 @@ public class AgentServicePlugin: NSObject, FlutterPlugin {
             }
             
             let speakResponse = arguments["speakResponse"] as? Bool ?? false
+            impl.currentRecognitionMode = "normal"
             let success = impl.processTextInput(sessionid: sessionid,text, speakResponse: speakResponse)
             result(success)
             

local_plugins/azure_speech/ios/azure_speech/Sources/azure_speech/AzureTtsHelper.swift

@@ -416,6 +416,7 @@ public class AzureTtsHelper: NSObject, ITtsService, AVAudioPlayerDelegate {
 
 
     public func setPhoneCallMode(mod: String) -> Bool {
+        // os_log("[liwei] AzureTtsHelper: setPhoneCallMode: %{public}@", log: log, type: .debug, mod)
         self.previousRecognitionMode = self.currentRecognitionMode
         self.currentRecognitionMode = mod
         self.isHeadphones = detectHeadphonesOutput()
@@ -1416,7 +1417,7 @@ private func applyAudioSessionForTTS() -> Bool {
         var desiredOptions: AVAudioSession.CategoryOptions = []
 
         let isHeadphonesConnected = outputs.contains(where: { $0.portType == .headphones || $0.portType == .headsetMic || $0.portType == .bluetoothA2DP })
-
+        os_log("[liwei] AzureTtsHelper: applyAudioSessionForTTS: %{public}@", log: self.log, type: .debug, self.currentRecognitionMode)
         if self.currentRecognitionMode == "phone_call" || self.currentRecognitionMode == "push_to_talk" {
             desiredCategory = .playAndRecord
             if isHeadphonesConnected {
@@ -1567,6 +1568,7 @@ private func isTelephonyActive() -> Bool {
         /// - 外部音频播放时启用 spoken audio 策略，确保能在 A2DP 上播放
         /// - 仅当类别或模式发生变化时才 setCategory，降低 AVAudioSessionRouteChangeReason.categoryChange 的触发概率
 private func safeConfigureAudioSessionForTTS() {
+    os_log("[liwei] AzureTtsHelper: safeConfigureAudioSessionForTTS - recognitionMode: %{public}@", log: log, type: .debug, currentRecognitionMode)
             // 使用异步，避免串行队列重入自锁
             audioSessionQueue.async { [weak self] in
                 guard let self = self else { return }