增加截屏工具

src/tools/core.ts

@@ -117,7 +117,8 @@ export const DateTimeTool: ToolModule = {
       description: "Get the current system date and time. Use this when the user refers to relative dates (like 'today', 'next week', 'this March') to ensure accuracy.",
       parameters: {
         type: "object",
-        properties: {}
+        properties: {},
+        required: []
       }
     }
   },

src/tools/email.ts

@@ -8,13 +8,18 @@ export const EmailTool: ToolModule = {
     type: "function",
     function: {
       name: "send_email",
-      description: "Send an email using configured SMTP settings.",
+      description: "Send an email using configured SMTP settings. Can include optional file attachments.",
       parameters: {
         type: "object",
         properties: {
           to: { type: "string", description: "Recipient email address." },
           subject: { type: "string", description: "Email subject." },
-          body: { type: "string", description: "Email body content (text)." }
+          body: { type: "string", description: "Email body content (text)." },
+          attachments: { 
+            type: "array", 
+            items: { type: "string" },
+            description: "Optional list of local file paths to attach to the email."
+          }
         },
         required: ["to", "subject", "body"]
       }
@@ -37,11 +42,16 @@ export const EmailTool: ToolModule = {
         },
       });
 
+      const emailAttachments = args.attachments?.map((filePath: string) => ({
+        path: filePath
+      })) || [];
+
       const info = await transporter.sendMail({
         from: config.smtpFrom || config.smtpUser, // sender address
         to: args.to, // list of receivers
         subject: args.subject, // Subject line
         text: args.body, // plain text body
+        attachments: emailAttachments
       });
 
       return `Email sent successfully. Message ID: ${info.messageId}`;

src/tools/index.ts

@@ -4,6 +4,7 @@ import { EmailTool } from './email.js';
 import { SearchTool } from './search.js';
 import { NotifyTool } from './notify.js';
 import { BrowserTool } from './browser.js';
+import { ScreenshotTool } from './screenshot.js';
 
 // Central Registry of all available tools
 export const toolRegistry: ToolModule[] = [
@@ -14,7 +15,8 @@ export const toolRegistry: ToolModule[] = [
   EmailTool,
   SearchTool,
   NotifyTool,
-  BrowserTool
+  BrowserTool,
+  ScreenshotTool
 ];
 
 export function getToolDefinitions() {

src/tools/screenshot.ts

@@ -0,0 +1,69 @@
+import { chromium } from 'playwright';
+import { ToolModule } from './interface.js';
+
+export const ScreenshotTool: ToolModule = {
+  name: "Screenshot Tool",
+  configKeys: [],
+  definition: {
+    type: "function",
+    function: {
+      name: "take_screenshot",
+      description: "Captures a screenshot of a specified website and saves it as an image file.",
+      parameters: {
+        type: "object",
+        properties: {
+          url: {
+            type: "string",
+            description: "The full URL of the website to capture (e.g., https://google.com)."
+          },
+          outputPath: {
+            type: "string",
+            description: "The file path where the screenshot should be saved (e.g., 'homepage.png')."
+          },
+          fullPage: {
+            type: "boolean",
+            description: "If true, takes a screenshot of the full scrollable page instead of just the viewport."
+          }
+        },
+        required: ["url", "outputPath"]
+      }
+    }
+  },
+  handler: async (args: any, config: any) => {
+    let browser;
+    try {
+      browser = await chromium.launch({ headless: true });
+    } catch (error: any) {
+      if (error.message.includes("Executable doesn't exist")) {
+        return "Error: Playwright browsers are not installed. Please run `npx playwright install chromium` to enable this feature.";
+      }
+      return `Error launching browser: ${error.message}`;
+    }
+
+    const context = await browser.newContext({
+      userAgent: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36',
+      viewport: { width: 1280, height: 720 }
+    });
+    const page = await context.newPage();
+
+    try {
+      console.log(`Navigating to ${args.url} for screenshot...`);
+      await page.goto(args.url, { waitUntil: 'networkidle', timeout: 30000 });
+      
+      // Wait a bit for animations etc.
+      await page.waitForTimeout(1000);
+
+      await page.screenshot({ 
+        path: args.outputPath, 
+        fullPage: args.fullPage || false 
+      });
+
+      return `Successfully captured screenshot of ${args.url} and saved to ${args.outputPath}`;
+
+    } catch (error: any) {
+      return `Error taking screenshot: ${error.message}`;
+    } finally {
+      await browser.close();
+    }
+  }
+};