feat: 添加上下文项点击功能

- 文件类型可点击打开文件
   - 代码片段可点击打开文件并选中对应代码
   - 文件夹类型不可点击

src/views/contextDisplay.ts

@@ -51,7 +51,11 @@ export function getContextDisplayStyles(): string {
       transition: all 0.2s ease;
     }
 
-    .context-item:hover {
+    .context-item.clickable {
+      cursor: pointer;
+    }
+
+    .context-item.clickable:hover {
       background: var(--vscode-list-hoverBackground);
     }
 
@@ -180,11 +184,14 @@ export function getContextDisplayScript(): string {
           case 'code': icon = getCodeIcon(); break;
         }
 
+        const clickable = item.type !== 'folder' ? 'clickable' : '';
+        const onclick = item.type !== 'folder' ? \`onclick="window.handleContextItemClick(\${item.id})"\` : '';
+
         return \`
-          <div class="context-item" title="\${item.path || item.displayPath}">
+          <div class="context-item \${clickable}" title="\${item.path || item.displayPath}" \${onclick}>
             \${icon}
             <span class="context-item-name">\${item.displayPath || getFileName(item.path)}</span>
-            <span class="context-item-remove" onclick="removeContextItem(\${item.id})">
+            <span class="context-item-remove" onclick="event.stopPropagation(); removeContextItem(\${item.id})">
               \${getRemoveIcon()}
             </span>
           </div>
@@ -192,6 +199,27 @@ export function getContextDisplayScript(): string {
       }).join('');
     }
 
+    // 全局访问函数
+    window.handleContextItemClick = function(id) {
+      const item = contextItems.find(i => i.id === id);
+      if (!item || item.type === 'folder') return;
+
+      if (item.type === 'code') {
+        const codeData = JSON.parse(item.path);
+        vscode.postMessage({
+          command: 'openFileWithSelection',
+          filePath: codeData.fileName,
+          startLine: codeData.startLine,
+          endLine: codeData.endLine
+        });
+      } else {
+        vscode.postMessage({
+          command: 'openFile',
+          filePath: item.path
+        });
+      }
+    };
+
     // 处理后端返回的文件选择结果
     window.addEventListener('message', event => {
       const message = event.data;