feat:实现读取本地文件的功能

src/utils/messageHandler.ts

@@ -1,4 +1,5 @@
 import * as vscode from "vscode";
+import { readFileContent } from "./readFiles";
 
 /**
  * 处理用户消息
@@ -16,6 +17,28 @@ export function handleUserMessage(panel: vscode.WebviewPanel, text: string) {
   }, 500);
 }
 
+/**
+ * 处理文件读取请求
+ */
+export async function handleReadFile(
+  panel: vscode.WebviewPanel,
+  filePath: string
+) {
+  try {
+    const content = await readFileContent(filePath);
+    panel.webview.postMessage({
+      command: "fileContent",
+      content: content,
+      filePath: filePath,
+    });
+  } catch (error) {
+    panel.webview.postMessage({
+      command: "fileError",
+      error: error instanceof Error ? error.message : "读取文件失败",
+    });
+  }
+}
+
 /**
  * 获取模拟回复
  */