fix: allow multiple push the result of tool

Author: NaccOll

src/core/assistant-message/presentAssistantMessage.ts

@@ -260,12 +260,31 @@ export async function presentAssistantMessage(cline: Task) {
 					const lastToolUseMessage = cline.assistantMessageContent.find((msg) => msg.type === "tool_use")
 					if (lastToolUseMessage && lastToolUseMessage.toolUseId) {
 						const toolUseId = lastToolUseMessage.toolUseId
-						const toolMessage: Anthropic.ToolResultBlockParam = {
-							tool_use_id: toolUseId,
-							type: "tool_result",
-							content: newUserMessages,
+						let toolResultMessage = cline.userMessageContent.find(
+							(msg) => msg.type === "tool_result" && msg.tool_use_id === toolUseId,
+						)
+						if (toolResultMessage !== undefined && toolResultMessage.type === "tool_result") {
+							const content = toolResultMessage.content
+							const updateMessages: Array<Anthropic.TextBlockParam | Anthropic.ImageBlockParam> = []
+							if (typeof content === "string") {
+								updateMessages.push({ type: "text", text: content })
+							} else if (Array.isArray(content)) {
+								updateMessages.push(...content)
+							} else {
+								throw new Error(
+									"Unexpected tool result content type: " + JSON.stringify(toolResultMessage),
+								)
+							}
+							updateMessages.push(...newUserMessages)
+							toolResultMessage.content = updateMessages
+						} else {
+							const toolMessage: Anthropic.ToolResultBlockParam = {
+								tool_use_id: toolUseId,
+								type: "tool_result",
+								content: newUserMessages,
+							}
+							cline.userMessageContent.push(toolMessage)
 						}
-						cline.userMessageContent.push(toolMessage)
 					}
 				} else {
 					cline.userMessageContent.push(...newUserMessages)