Initial baseline: LaraBlog core with plugin commerce surface.

Captures the current working tree after theme slots, ArticleAccess, and the payment / paid-content plugins so subsequent work has a reviewable git history.

app/Providers/AppServiceProvider.php

@@ -0,0 +1,79 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Providers;
+
+use App\Auth\LaraBlogUserProvider;
+use App\Contracts\LlmProvider;
+use App\Domain\Ai\OpenAiCompatibleLlmProvider;
+use App\Domain\Ai\StubLlmProvider;
+use App\Domain\Media\AttachmentStorageService;
+use App\Domain\Plugin\PluginManager;
+use App\Domain\Seo\SeoPresenter;
+use App\Domain\Theme\RegistersSnippetSlots;
+use App\Domain\Theme\ThemeManager;
+use App\Models\User;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Blade;
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Support\ServiceProvider;
+
+class AppServiceProvider extends ServiceProvider
+{
+    public function register(): void
+    {
+        $this->app->singleton(ThemeManager::class);
+        $this->app->singleton(PluginManager::class);
+        $this->app->singleton(AttachmentStorageService::class);
+        $this->app->singleton(SeoPresenter::class);
+
+        $this->app->bind(LlmProvider::class, function (): LlmProvider {
+            $provider = env('AI_PROVIDER', 'stub');
+
+            try {
+                $provider = app(\App\Settings\AiSettings::class)->provider ?: $provider;
+            } catch (\Throwable) {
+                // settings table may be unavailable during early boot
+            }
+
+            return match ($provider) {
+                'openai_compatible', 'openai' => $this->app->make(OpenAiCompatibleLlmProvider::class),
+                default => $this->app->make(StubLlmProvider::class),
+            };
+        });
+    }
+
+    public function boot(): void
+    {
+        Auth::provider('larablog', function ($app, array $config) {
+            return new LaraBlogUserProvider($app['hash'], $config['model'] ?? User::class);
+        });
+
+        // Always register default theme views; active theme may resolve later.
+        $this->app->make(ThemeManager::class)->registerViewNamespaces();
+
+        Blade::directive('themeslot', function (string $expression): string {
+            return "<?php echo \\App\\Domain\\Theme\\ThemeSlot::render({$expression}); ?>";
+        });
+
+        // Always load discovered plugin migrations so `artisan migrate` works
+        // before a plugin is enabled (enable → migrate chicken-and-egg).
+        foreach ($this->app->make(PluginManager::class)->discover() as $manifest) {
+            $migrations = rtrim((string) ($manifest['path'] ?? ''), '/').'/database/migrations';
+            if (is_dir($migrations)) {
+                $this->loadMigrationsFrom($migrations);
+            }
+        }
+
+        // Filament AdminPanelProvider also registers plugins before panel id();
+        // keep this for HTTP routes / hooks when the admin panel is unused.
+        if (Schema::hasTable('plugins')) {
+            $this->app->make(PluginManager::class)->registerEnabledProviders();
+        }
+
+        if (Schema::hasTable('settings')) {
+            RegistersSnippetSlots::boot();
+        }
+    }
+}