Add models, enums, and services for user roles, theme preferences, slug history, and ID generation

app/Livewire/ParkAreaFormComponent.php

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+<?php
+
+namespace App\Livewire;
+
+use App\Models\Park;
+use App\Models\ParkArea;
+use Livewire\Component;
+use Illuminate\Validation\Rule;
+
+class ParkAreaFormComponent extends Component
+{
+    public Park $park;
+    public ?ParkArea $area = null;
+    
+    // Form fields
+    public string $name = '';
+    public ?string $description = '';
+    public ?string $opening_date = '';
+    public ?string $closing_date = '';
+
+    public function mount(Park $park, ?ParkArea $area = null): void
+    {
+        $this->park = $park;
+        $this->area = $area;
+        
+        if ($area) {
+            $this->name = $area->name;
+            $this->description = $area->description ?? '';
+            $this->opening_date = $area->opening_date?->format('Y-m-d') ?? '';
+            $this->closing_date = $area->closing_date?->format('Y-m-d') ?? '';
+        }
+    }
+
+    public function rules(): array
+    {
+        $unique = $this->area
+            ? Rule::unique('park_areas', 'name')
+                ->where('park_id', $this->park->id)
+                ->ignore($this->area->id)
+            : Rule::unique('park_areas', 'name')
+                ->where('park_id', $this->park->id);
+
+        return [
+            'name' => ['required', 'string', 'min:2', 'max:255', $unique],
+            'description' => ['nullable', 'string'],
+            'opening_date' => ['nullable', 'date'],
+            'closing_date' => ['nullable', 'date', 'after:opening_date'],
+        ];
+    }
+
+    public function save(): void
+    {
+        $data = $this->validate();
+        $data['park_id'] = $this->park->id;
+
+        if ($this->area) {
+            $this->area->update($data);
+            $message = 'Area updated successfully!';
+        } else {
+            $this->area = ParkArea::create($data);
+            $message = 'Area created successfully!';
+        }
+
+        session()->flash('message', $message);
+        
+        $this->redirectRoute('parks.areas.show', [
+            'park' => $this->park,
+            'area' => $this->area,
+        ]);
+    }
+
+    public function render()
+    {
+        return view('livewire.park-area-form-component', [
+            'isEditing' => (bool)$this->area,
+        ]);
+    }
+}