fix: tool path

Author: dadadadas111

src/tools/definitions/get-device-documentation.tool.ts

@@ -34,7 +34,8 @@ function readDocumentation(topic: string): string {
 
   try {
     const fileName = fileMap[topic];
-    const filePath = path.join(__dirname, '../../../docs/ai-resources', fileName);
+    // Use process.cwd() instead of __dirname for consistent path resolution
+    const filePath = path.join(process.cwd(), 'docs', 'ai-resources', fileName);
     return fs.readFileSync(filePath, 'utf-8');
   } catch (error) {
     return `Error loading documentation: ${error.message}`;
@@ -54,7 +55,7 @@ function readDocumentation(topic: string): string {
 export const GET_DEVICE_DOCUMENTATION_TOOL = {
   name: 'get_device_documentation',
   description:
-    'Get comprehensive documentation about IoT device control. Call this when you need details about device concepts, available commands, control workflows, or state structure. Returns full markdown documentation.',
+    'Get device control documentation. Available topics: "overview" (core concepts/fields), "device_attributes" (commands/device types), "control_guide" (how to control devices), "state_guide" (reading device state). Returns markdown documentation.',
   inputSchema: {
     type: 'object' as const,
     properties: {
@@ -70,7 +71,7 @@ export const GET_DEVICE_DOCUMENTATION_TOOL = {
   metadata: {
     name: 'get_device_documentation',
     description:
-      'Get comprehensive documentation about IoT device control. Call this when you need details about device concepts, available commands, control workflows, or state structure. Returns full markdown documentation.',
+      'Get device control documentation. Available topics: "overview" (core concepts/fields), "device_attributes" (commands/device types), "control_guide" (how to control devices), "state_guide" (reading device state). Returns markdown documentation.',
     readOnlyHint: true,
     securitySchemes: {
       oauth2: {

src/tools/services/tool-executor.service.ts

@@ -130,6 +130,15 @@ export class ToolExecutorService {
           return 'controlDeviceSimple tool requires an "action" parameter of type string.';
         }
         break;
+      case 'get_device_documentation':
+        if (!params.topic || typeof params.topic !== 'string') {
+          return 'get_device_documentation tool requires a "topic" parameter of type string.';
+        }
+        const validTopics = ['overview', 'device_attributes', 'control_guide', 'state_guide'];
+        if (!validTopics.includes(params.topic as string)) {
+          return `get_device_documentation tool requires topic to be one of: ${validTopics.join(', ')}`;
+        }
+        break;
       default:
         return `Unknown tool: ${toolName}`;
     }
@@ -222,6 +231,11 @@ export class ToolExecutorService {
       return this.executeControlDeviceSimple(params as ControlDeviceSimpleParams, context);
     }
 
+    if (toolName === 'get_device_documentation') {
+      return this.executeGetDeviceDocumentation(params as { topic: string });
+    }
+
+
     throw new BadRequestException(`Unknown tool: ${toolName}`);
   }
 
@@ -1286,4 +1300,42 @@ export class ToolExecutorService {
       };
     }
   }
+
+  /**
+   * Execute get_device_documentation tool
+   * Returns documentation markdown content
+   *  
+   * @param params - Tool parameters including topic
+   * @returns MCP-formatted documentation content
+   */
+  private executeGetDeviceDocumentation(
+    params: { topic: string },
+  ): CallToolResult {
+    const GET_DEVICE_DOCUMENTATION_TOOL = require('../definitions/get-device-documentation.tool').GET_DEVICE_DOCUMENTATION_TOOL;
+    
+    try {
+      const content = GET_DEVICE_DOCUMENTATION_TOOL.execute(params.topic);
+      return {
+        content: [
+          {
+            type: 'text' as const,
+            text: content,
+          },
+        ],
+      };
+    } catch (error) {
+      const errorMessage = error instanceof Error ? error.message : 'Unknown error';
+      return {
+        content: [
+          {
+            type: 'text' as const,
+            text: JSON.stringify({
+              isError: true,
+              error: errorMessage,
+            }),
+          },
+        ],
+      };
+    }
+  }
 }