Remove old Vuexy wrapper components (AppTextField, AppSelect, AppTextarea, FlashMessages, NotificationBell)

All pages now use native Vuetify components directly. Flash messages are handled
by the ToastStack component via Pinia store. Notifications use NotificationPanel.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

website/app/Models/EmailTemplate.php

@@ -0,0 +1,67 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class EmailTemplate extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'slug',
+        'name',
+        'subject',
+        'body',
+        'available_variables',
+        'is_active',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'available_variables' => 'array',
+            'is_active' => 'boolean',
+        ];
+    }
+
+    public static function getTemplate(string $slug): ?self
+    {
+        return static::query()
+            ->where('slug', $slug)
+            ->where('is_active', true)
+            ->first();
+    }
+
+    /**
+     * Render a template by replacing {{variable_name}} placeholders with actual values.
+     *
+     * @param  array<string, string>  $variables
+     * @return array{subject: string, body: string}|null
+     */
+    public static function render(string $slug, array $variables): ?array
+    {
+        $template = static::getTemplate($slug);
+
+        if (! $template) {
+            return null;
+        }
+
+        $subject = $template->subject;
+        $body = $template->body;
+
+        foreach ($variables as $key => $value) {
+            $placeholder = '{{'.$key.'}}';
+            $subject = str_replace($placeholder, (string) $value, $subject);
+            $body = str_replace($placeholder, (string) $value, $body);
+        }
+
+        return [
+            'subject' => $subject,
+            'body' => $body,
+        ];
+    }
+}

website/app/Models/TaxRate.php

@@ -0,0 +1,90 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class TaxRate extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'name',
+        'country_code',
+        'region_code',
+        'rate',
+        'type',
+        'priority',
+        'is_active',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'rate' => 'decimal:2',
+            'is_active' => 'boolean',
+            'priority' => 'integer',
+        ];
+    }
+
+    /**
+     * Scope to only active tax rates.
+     */
+    public function scopeActive(Builder $query): Builder
+    {
+        return $query->where('is_active', true);
+    }
+
+    /**
+     * Scope to filter by country code.
+     */
+    public function scopeForCountry(Builder $query, string $code): Builder
+    {
+        return $query->where('country_code', strtoupper($code));
+    }
+
+    /**
+     * Scope to filter by country and region.
+     */
+    public function scopeForRegion(Builder $query, string $country, ?string $region): Builder
+    {
+        $query->where('country_code', strtoupper($country));
+
+        if ($region !== null) {
+            $query->where(function (Builder $q) use ($region): void {
+                $q->where('region_code', $region)
+                    ->orWhereNull('region_code');
+            });
+        }
+
+        return $query;
+    }
+
+    /**
+     * Get applicable tax rates for a given country and optional region, ordered by priority.
+     *
+     * @return Collection<int, TaxRate>
+     */
+    public static function getApplicableRates(string $countryCode, ?string $regionCode = null): Collection
+    {
+        $query = static::query()
+            ->active()
+            ->where('country_code', strtoupper($countryCode));
+
+        if ($regionCode !== null) {
+            $query->where(function (Builder $q) use ($regionCode): void {
+                $q->where('region_code', $regionCode)
+                    ->orWhereNull('region_code');
+            });
+        } else {
+            $query->whereNull('region_code');
+        }
+
+        return $query->orderBy('priority')->get();
+    }
+}