Implement dark mode, bug report page, and schema dump

database/factories/BudgetItemFactory.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\Budget;
+use App\Models\BudgetItem;
+use App\Models\ChartOfAccount;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+class BudgetItemFactory extends Factory
+{
+    protected $model = BudgetItem::class;
+
+    public function definition(): array
+    {
+        $account = ChartOfAccount::first();
+
+        if (! $account) {
+            $account = ChartOfAccount::create([
+                'account_code' => $this->faker->unique()->numerify('4###'),
+                'account_name_zh' => '測試費用',
+                'account_name_en' => 'Test Expense',
+                'account_type' => 'expense',
+                'category' => 'operating',
+                'is_active' => true,
+                'display_order' => 1,
+            ]);
+        }
+
+        return [
+            'budget_id' => Budget::factory(),
+            'chart_of_account_id' => $account->id,
+            'budgeted_amount' => $this->faker->numberBetween(1000, 5000),
+            'actual_amount' => $this->faker->numberBetween(0, 4000),
+            'notes' => $this->faker->sentence(),
+        ];
+    }
+}