feat(AiSdkToChunkAdapter): fix mcp response image (#10262)

src/renderer/src/aiCore/chunk/AiSdkToChunkAdapter.ts

@@ -13,16 +13,6 @@ import { ToolCallChunkHandler } from './handleToolCallChunk'
 
 const logger = loggerService.withContext('AiSdkToChunkAdapter')
 
-export interface CherryStudioChunk {
-  type: 'text-delta' | 'text-complete' | 'tool-call' | 'tool-result' | 'finish' | 'error'
-  text?: string
-  toolCall?: any
-  toolResult?: any
-  finishReason?: string
-  usage?: any
-  error?: any
-}
-
 /**
  * AI SDK 到 Cherry Studio Chunk 适配器类
  * 处理 fullStream 到 Cherry Studio chunk 的转换

src/renderer/src/aiCore/chunk/handleToolCallChunk.ts

@@ -298,8 +298,29 @@ export class ToolCallChunkHandler {
         type: ChunkType.MCP_TOOL_COMPLETE,
         responses: [toolResponse]
       })
+
+      const images: string[] = []
+      for (const content of toolResponse.response?.content || []) {
+        if (content.type === 'image' && content.data) {
+          images.push(`data:${content.mimeType};base64,${content.data}`)
+        }
+      }
+
+      if (images.length) {
+        this.onChunk({
+          type: ChunkType.IMAGE_CREATED
+        })
+        this.onChunk({
+          type: ChunkType.IMAGE_COMPLETE,
+          image: {
+            type: 'base64',
+            images: images
+          }
+        })
+      }
     }
   }
+
   handleToolError(
     chunk: {
       type: 'tool-error'