Propagate shared copy-button component and clipboard helper.

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

resources/js/app.js

@@ -1,8 +1,10 @@
 import Alpine from 'alpinejs';
+import { registerLadillClipboard } from './ladill-clipboard';
 import collapse from '@alpinejs/collapse';
 import { registerKioskFlow } from './kiosk-flow';
 
 Alpine.plugin(collapse);
+registerLadillClipboard(Alpine);
 document.addEventListener('alpine:init', () => registerKioskFlow(Alpine));
 
 // In-app notification bell + dropdown.

resources/js/ladill-clipboard.js

@@ -0,0 +1,57 @@
+const COPY_FEEDBACK_MS = 2000;
+
+export async function writeClipboardText(text) {
+    const value = String(text ?? '');
+    if (!value) {
+        return false;
+    }
+
+    try {
+        if (navigator.clipboard?.writeText) {
+            await navigator.clipboard.writeText(value);
+
+            return true;
+        }
+    } catch {
+        // fall through to legacy copy
+    }
+
+    try {
+        const textarea = document.createElement('textarea');
+        textarea.value = value;
+        textarea.style.position = 'fixed';
+        textarea.style.opacity = '0';
+        document.body.appendChild(textarea);
+        textarea.select();
+        const ok = document.execCommand('copy');
+        document.body.removeChild(textarea);
+
+        return ok;
+    } catch {
+        return false;
+    }
+}
+
+export function registerLadillClipboard(Alpine) {
+    Alpine.data('copyButton', (text = '') => ({
+        copied: false,
+        text: text ?? '',
+        resetTimer: null,
+        async copy() {
+            const ok = await writeClipboardText(this.text);
+            if (!ok) {
+                return;
+            }
+
+            this.copied = true;
+
+            if (this.resetTimer) {
+                clearTimeout(this.resetTimer);
+            }
+
+            this.resetTimer = setTimeout(() => {
+                this.copied = false;
+            }, COPY_FEEDBACK_MS);
+        },
+    }));
+}