Open a TaskStream board for a project that has none yet

The project form gets «Crear en TaskStream» while the project has no
board, and `taskstream: true` on a PATCH does the same through the API.
A refusal leaves the edit unsaved; a project with a board keeps it, and
`taskstream_key` without the flag is still ignored.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

app/Filament/Resources/Projects/Pages/EditProject.php

@@ -4,15 +4,22 @@ declare(strict_types=1);
 
 namespace App\Filament\Resources\Projects\Pages;
 
+use App\Actions\Projects\OpenInTaskStream;
 use App\Filament\Concerns\WarnsOfConcurrentEditing;
 use App\Filament\Resources\Projects\ProjectResource;
 use App\Filament\Support\DuplicateAction;
 use App\Filament\Support\PreviewAction;
 use App\Filament\Support\TranslateAction;
+use App\Services\Pireon\TokenStore;
 use App\Services\TaskStream\TaskStreamClient;
 use Filament\Actions\Action;
 use Filament\Actions\DeleteAction;
+use Filament\Forms\Components\TextInput;
+use Filament\Notifications\Notification;
 use Filament\Resources\Pages\EditRecord;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Validation\ValidationException;
+use Symfony\Component\HttpKernel\Exception\HttpException;
 
 class EditProject extends EditRecord
 {
@@ -32,9 +39,72 @@ class EditProject extends EditRecord
                 ->url(fn () => app(TaskStreamClient::class)->projectUrl((string) $this->record->taskstream_key))
                 ->openUrlInNewTab()
                 ->visible(fn () => filled($this->record->taskstream_key)),
+            $this->createInTaskStream(),
             DuplicateAction::make(),
             TranslateAction::make(),
             DeleteAction::make(),
         ];
     }
+
+    /**
+     * For a project made without a board: opens one now, as the person
+     * signed in, and saves only the link (whatever is being edited in the
+     * form stays as it is, unsaved).
+     */
+    protected function createInTaskStream(): Action
+    {
+        return Action::make('createInTaskStream')
+            ->label(__('panel.projects.taskstream.create'))
+            ->icon('heroicon-o-plus')
+            ->color('gray')
+            ->visible(fn () => blank($this->record->taskstream_key))
+            ->authorize('update')
+            ->modalHeading(__('panel.projects.taskstream.create_heading'))
+            ->modalDescription(__('panel.projects.taskstream.section_hint'))
+            ->modalSubmitActionLabel(__('panel.projects.taskstream.create'))
+            ->schema([
+                TextInput::make('key')
+                    ->label(__('panel.projects.taskstream.key'))
+                    ->helperText(__('panel.projects.taskstream.key_hint'))
+                    ->placeholder(fn () => app(OpenInTaskStream::class)
+                        ->keyFrom((string) $this->record->getTranslation('slug', (string) config('locales.default'), false)))
+                    ->maxLength(10)
+                    ->regex('/^[A-Za-z][A-Za-z0-9]{1,9}$/'),
+            ])
+            ->action(function (array $data, Action $action): void {
+                $project = $this->record;
+
+                try {
+                    app(OpenInTaskStream::class)->handle(
+                        $project,
+                        Auth::user(),
+                        app(TokenStore::class)->accessToken(),
+                        filled($data['key'] ?? null) ? $data['key'] : null,
+                    );
+                } catch (ValidationException|HttpException $e) {
+                    // The modal stays open, to change the key and try again.
+                    Notification::make()
+                        ->danger()
+                        ->title($e instanceof ValidationException ? collect($e->errors())->flatten()->first() : $e->getMessage())
+                        ->send();
+
+                    $action->halt();
+                }
+
+                $project->save();
+
+                $url = app(TaskStreamClient::class)->projectUrl((string) $project->taskstream_key);
+
+                Notification::make()
+                    ->success()
+                    ->title(__('panel.projects.taskstream.created', ['url' => $url]))
+                    ->actions([
+                        Action::make('taskstream')
+                            ->label(__('panel.projects.taskstream.open'))
+                            ->url($url, shouldOpenInNewTab: true),
+                    ])
+                    ->persistent()
+                    ->send();
+            });
+    }
 }