新增聊天记录

keyBoard/Class/AiTalk/V/KBVoiceInputBar.h

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+//
+//  KBVoiceInputBar.h
+//  keyBoard
+//
+//  Created by Kiro on 2026/1/26.
+//
+
+#import <UIKit/UIKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class KBVoiceInputBar;
+
+/// 语音输入栏代理
+@protocol KBVoiceInputBarDelegate <NSObject>
+
+@optional
+
+/// 开始录音
+- (void)voiceInputBarDidBeginRecording:(KBVoiceInputBar *)inputBar;
+
+/// 结束录音
+- (void)voiceInputBarDidEndRecording:(KBVoiceInputBar *)inputBar;
+
+/// 取消录音
+- (void)voiceInputBarDidCancelRecording:(KBVoiceInputBar *)inputBar;
+
+@end
+
+/// 底部语音输入栏
+/// 包含：毛玻璃背景 + 录音按钮
+@interface KBVoiceInputBar : UIView
+
+/// 代理
+@property (nonatomic, weak) id<KBVoiceInputBarDelegate> delegate;
+
+/// 状态文本（显示在按钮上方）
+@property (nonatomic, copy) NSString *statusText;
+
+/// 是否启用（禁用时按钮不可点击）
+@property (nonatomic, assign) BOOL enabled;
+
+/// 更新音量（用于波形动画）
+/// @param rms 音量 RMS 值 (0.0 - 1.0)
+- (void)updateVolumeRMS:(float)rms;
+
+/// 设置录音状态
+/// @param recording 是否正在录音
+- (void)setRecording:(BOOL)recording;
+
+@end
+
+NS_ASSUME_NONNULL_END