Trigger Screenshot only on active window change not every 30s

electron-app/src/native-modules/native-windows/macos/ScreenshotManager.mm

@@ -20,14 +20,8 @@ @implementation ScreenshotManager {
 - (void)startPeriodicScreenshotCapture {
     [self stopPeriodicScreenshotCapture];
 
-    // Take screenshot every 30 seconds
-    screenshotTimer = [NSTimer scheduledTimerWithTimeInterval:30.0
-                                                     target:self
-                                                   selector:@selector(takeScreenshot)
-                                                   userInfo:nil
-                                                    repeats:YES];
-    [[NSRunLoop currentRunLoop] addTimer:screenshotTimer forMode:NSRunLoopCommonModes];
-    MyLog(@"Screenshot timer started");
+    // Remove the periodic timer logic
+    MyLog(@"Screenshot capture will be triggered by window changes");
 }
 
 - (void)stopPeriodicScreenshotCapture {

electron-app/src/native-modules/native-windows/macos/activeWindowObserver.mm

@@ -65,6 +65,10 @@ void windowChangeCallback(AXObserverRef observer, AXUIElementRef element, CFStri
                     }
                 }
             }
+            // Trigger screenshot capture and OCR
+            ScreenshotManager *screenshotManager = [[ScreenshotManager alloc] init];
+            [screenshotManager takeScreenshot];
+            [screenshotManager release];
         });
     }
 }