处理键盘部分

keyBoard/Class/AiTalk/VC/KBAIHomeVC.m

@@ -19,6 +19,7 @@
 #import "LSTPopView.h"
 #import "KBAIMessageVC.h"
 #import <Masonry/Masonry.h>
+#import <SDWebImage/SDWebImage.h>
 
 @interface KBAIHomeVC () <UICollectionViewDelegate, UICollectionViewDataSource, KBVoiceToTextManagerDelegate, KBVoiceRecordManagerDelegate, UIGestureRecognizerDelegate, KBChatLimitPopViewDelegate, UITextViewDelegate>
 
@@ -387,10 +388,96 @@
     
     if (currentPage < self.personas.count) {
         NSLog(@"当前在第 %ld 个人设：%@", (long)currentPage, self.personas[currentPage].name);
+        // 保存当前选中的 persona 到 AppGroup，供键盘扩展使用
+        [self saveSelectedPersonaToAppGroup:self.personas[currentPage]];
     }
     [self updateChatViewBottomInset];
 }
 
+#pragma mark - AppGroup Persona 共享
+
+/// 保存选中的 persona 到 AppGroup，供键盘扩展读取
+- (void)saveSelectedPersonaToAppGroup:(KBPersonaModel *)persona {
+    if (!persona) {
+        return;
+    }
+    
+    NSUserDefaults *ud = [[NSUserDefaults alloc] initWithSuiteName:AppGroup];
+    if (!ud) {
+        NSLog(@"[KBAIHomeVC] 无法访问 AppGroup");
+        return;
+    }
+    
+    // 保存 persona 的关键信息
+    NSDictionary *personaDict = @{
+        @"personaId": @(persona.personaId),
+        @"name": persona.name ?: @"",
+        @"avatarUrl": persona.avatarUrl ?: @"",
+        @"coverImageUrl": persona.coverImageUrl ?: @"",
+        @"shortDesc": persona.shortDesc ?: @""
+    };
+    
+    [ud setObject:personaDict forKey:@"AppGroup_SelectedPersona"];
+    [ud synchronize];
+    
+    NSLog(@"[KBAIHomeVC] 已保存选中的 persona 到 AppGroup: %@, coverImageUrl: %@", persona.name, persona.coverImageUrl);
+    
+    // 异步下载并缩小图片，保存到 AppGroup 共享目录
+    [self downloadAndSavePersonaCoverImage:persona.coverImageUrl];
+}
+
+/// 下载并缩小 persona 封面图，保存到 AppGroup 共享目录
+- (void)downloadAndSavePersonaCoverImage:(NSString *)imageUrl {
+    if (imageUrl.length == 0) {
+        return;
+    }
+    
+    // 获取 AppGroup 共享目录
+    NSURL *containerURL = [[NSFileManager defaultManager] containerURLForSecurityApplicationGroupIdentifier:AppGroup];
+    if (!containerURL) {
+        NSLog(@"[KBAIHomeVC] 无法获取 AppGroup 容器目录");
+        return;
+    }
+    
+    NSString *imagePath = [[containerURL path] stringByAppendingPathComponent:@"persona_cover.jpg"];
+    
+    // 使用 SDWebImage 下载图片
+    [[SDWebImageManager sharedManager] loadImageWithURL:[NSURL URLWithString:imageUrl]
+                                                options:SDWebImageHighPriority
+                                               progress:nil
+                                              completed:^(UIImage *image, NSData *data, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) {
+        if (error || !image) {
+            NSLog(@"[KBAIHomeVC] 下载 persona 封面图失败: %@", error.localizedDescription);
+            return;
+        }
+        
+        // 缩小图片到适合键盘扩展的尺寸（宽度 390，高度按比例）
+        CGFloat targetWidth = 390.0;
+        CGFloat scale = targetWidth / image.size.width;
+        CGSize targetSize = CGSizeMake(targetWidth, image.size.height * scale);
+        
+        UIGraphicsBeginImageContextWithOptions(targetSize, YES, 1.0);
+        [image drawInRect:CGRectMake(0, 0, targetSize.width, targetSize.height)];
+        UIImage *scaledImage = UIGraphicsGetImageFromCurrentImageContext();
+        UIGraphicsEndImageContext();
+        
+        // 压缩为 JPEG，质量 0.6
+        NSData *jpegData = UIImageJPEGRepresentation(scaledImage, 0.6);
+        if (!jpegData) {
+            NSLog(@"[KBAIHomeVC] 压缩图片失败");
+            return;
+        }
+        
+        // 保存到 AppGroup 共享目录
+        BOOL success = [jpegData writeToFile:imagePath atomically:YES];
+        if (success) {
+            NSLog(@"[KBAIHomeVC] persona 封面图已保存到: %@, 大小: %lu KB", imagePath, (unsigned long)jpegData.length / 1024);
+        } else {
+            NSLog(@"[KBAIHomeVC] 保存 persona 封面图失败");
+        }
+    }];
+}
+
 - (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView {
     if (self.isWaitingForAIResponse) {
         NSLog(@"[KBAIHomeVC] 正在等待 AI 回复，禁止滚动");