Send update on tabLostFocus.

Author: nedtwigg

src/entrypoints/content.ts

@@ -40,6 +40,14 @@ export default defineContentScript({
       childList: true,
       subtree: true,
     })
+
+    // Listen for tab visibility changes to capture draft content when switching tabs
+    document.addEventListener('visibilitychange', () => {
+      if (document.hidden) {
+        enhancedTextareas.tabLostFocus()
+      }
+    })
+
     logger.debug('Extension loaded with', enhancers.getEnhancerCount(), 'handlers')
   },
   matches: ['<all_urls>'],

src/lib/registries.ts

@@ -140,4 +140,10 @@ export class TextareaRegistry {
   get(textarea: HTMLTextAreaElement): EnhancedTextarea | undefined {
     return this.textareas.get(textarea)
   }
+
+  tabLostFocus(): void {
+    for (const enhanced of this.textareas.values()) {
+      this.sendEvent('LOST_FOCUS', enhanced)
+    }
+  }
 }