refactor: replace client-side clipboard copy logic with server-side JS injection and Filament notifications

app/Filament/Admin/Resources/Proposals/Pages/EditProposal.php

@@ -32,14 +32,18 @@ class EditProposal extends EditRecord
                 ->icon('heroicon-o-clipboard-document-check')
                 ->color('info')
                 ->action(function () {
-                    // JS ile kopyalama yapar, bildirim göster
-                })
-                ->extraAttributes(function () {
                     $url = route('proposals.show', $this->record->slug);
-                    return [
-                        'x-data' => '',
-                        'x-on:click' => "navigator.clipboard.writeText('{$url}').then(() => { \$dispatch('open-notification', { title: '" . __('proposal.link_copied') . "', type: 'success' }) })",
-                    ];
+
+                    // Livewire v3: sunucu tarafında JS enjekte et (user-gesture gerektirmez)
+                    $escaped = addslashes($url);
+                    $this->js("(function(){var t=document.createElement('textarea');t.value='{$escaped}';t.style.position='fixed';t.style.opacity='0';document.body.appendChild(t);t.focus();t.select();try{document.execCommand('copy')}catch(e){}document.body.removeChild(t);})();");
+
+                    Notification::make()
+                        ->title(__('proposal.link_copied'))
+                        ->body($url)
+                        ->success()
+                        ->duration(6000)
+                        ->send();
                 })
                 ->visible(fn () => $this->record !== null),