Add Departure Time Slot and Catalog read API (T2.4, T2.5)

Adds the shared DepartureTimeSlot catalog entity with its Filament
resource, and public GET /api/v1/companies + /api/v1/destinations
endpoints (auth:sanctum + throttled) for the mini app/mobile/agent
clients to consume.

app-modules/catalog/database/factories/DepartureTimeSlotFactory.php

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+<?php
+
+namespace Modules\Catalog\Database\Factories;
+
+use Carbon\Carbon;
+use Illuminate\Database\Eloquent\Factories\Factory;
+use Modules\Catalog\Models\DepartureTimeSlot;
+
+/**
+ * @extends Factory<DepartureTimeSlot>
+ */
+class DepartureTimeSlotFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        $time = Carbon::createFromTime(fake()->numberBetween(0, 23), fake()->randomElement([0, 15, 30, 45]));
+
+        return [
+            'label' => $time->format('h:i A'),
+            'time' => $time->format('H:i'),
+            'is_active' => true,
+        ];
+    }
+}

app-modules/catalog/database/migrations/2026_08_06_130507_create_departure_time_slots_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('departure_time_slots', function (Blueprint $table) {
+            $table->id();
+            $table->string('label');
+            $table->time('time');
+            $table->boolean('is_active')->default(true);
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('departure_time_slots');
+    }
+};