Major refactor: Multi-user Chrome MCP extension with remote server architecture

app/chrome-extension/entrypoints/background/tools/index.ts

@@ -17,15 +17,31 @@ export interface ToolCallParam {
  * Handle tool execution
  */
 export const handleCallTool = async (param: ToolCallParam) => {
+  console.log('🛠️ [Tool Handler] Executing tool:', {
+    toolName: param.name,
+    hasArgs: !!param.args,
+    availableTools: Array.from(toolsMap.keys()),
+    args: param.args,
+  });
+
   const tool = toolsMap.get(param.name);
   if (!tool) {
+    console.error('🛠️ [Tool Handler] Tool not found:', param.name);
     return createErrorResponse(`Tool ${param.name} not found`);
   }
 
   try {
-    return await tool.execute(param.args);
+    console.log('🛠️ [Tool Handler] Starting tool execution for:', param.name);
+    const result = await tool.execute(param.args);
+    console.log('🛠️ [Tool Handler] Tool execution completed:', {
+      toolName: param.name,
+      hasResult: !!result,
+      isError: result?.isError,
+      result,
+    });
+    return result;
   } catch (error) {
-    console.error(`Tool execution failed for ${param.name}:`, error);
+    console.error(`🛠️ [Tool Handler] Tool execution failed for ${param.name}:`, error);
     return createErrorResponse(
       error instanceof Error ? error.message : ERROR_MESSAGES.TOOL_EXECUTION_FAILED,
     );