feat: Log screenshots as base64 for Azure debugging

Co-authored-by: Cursor <cursoragent@cursor.com>

src/bot/orchestrator.ts

@@ -439,6 +439,7 @@ export class BotOrchestrator {
 
   /**
    * Take a screenshot for debugging.
+   * Logs screenshot as base64 for easy viewing from Azure logs.
    */
   private async _takeScreenshot(name: string): Promise<void> {
     if (!config.screenshotOnError || !this._page) {
@@ -446,6 +447,7 @@ export class BotOrchestrator {
     }
 
     try {
+      // Save to file
       const screenshotDir = config.screenshotDir;
       if (!fs.existsSync(screenshotDir)) {
         fs.mkdirSync(screenshotDir, { recursive: true });
@@ -453,8 +455,19 @@ export class BotOrchestrator {
 
       const filename = `${this._sessionId}-${name}-${Date.now()}.png`;
       const filepath = path.join(screenshotDir, filename);
-      await this._page.screenshot({ path: filepath, fullPage: true });
+      const buffer = await this._page.screenshot({ fullPage: true });
+      fs.writeFileSync(filepath, buffer);
       this._logger.info(`Screenshot saved: ${filepath}`);
+
+      // Also log as base64 for Azure logs (truncated for readability)
+      const base64 = buffer.toString('base64');
+      this._logger.info(`SCREENSHOT_BASE64_START:${name}`);
+      // Log in chunks to avoid log line limits
+      const chunkSize = 50000;
+      for (let i = 0; i < base64.length; i += chunkSize) {
+        this._logger.info(`SCREENSHOT_CHUNK:${base64.substring(i, i + chunkSize)}`);
+      }
+      this._logger.info(`SCREENSHOT_BASE64_END:${name}`);
     } catch (error) {
       this._logger.error('Error taking screenshot:', error);
     }