feat: handle image paste in AI toolbar textarea via onPaste handler

src/components/ai-toolbar.tsx

@@ -33,6 +33,7 @@ import {
 } from "@/components/ui/popover";
 import { Skeleton } from "@/components/ui/skeleton";
 import { Textarea } from "@/components/ui/textarea";
+import { extractImageFromClipboard } from "@/lib/clipboard-image";
 import {
 	SHORTCUT_DEFINITIONS,
 	detectOs,
@@ -192,6 +193,13 @@ export const AIToolbar = ({
 									setAiPrompt("");
 								}
 							}}
+							onPaste={(e) => {
+								const image = extractImageFromClipboard(e.clipboardData ?? null);
+								if (image) {
+									e.preventDefault();
+									onImageSelect(image);
+								}
+							}}
 						/>
 
 						{/* Attached image preview */}