feat(ticket): implement validity time management for tickets and catalog items

- Added ValidityTime model and migration to manage ticket validity periods.
- Updated TicketGeneratorService to resolve and assign validity times to tickets.
- Refactored ticket generation logic to remove legacy date fields and use validity time.
- Introduced timezone support for tenants to handle service dates correctly.
- Updated migrations to remove deprecated columns and add foreign keys for validity times.
- Modified seeders and tests to accommodate new validity time structure.
- Enhanced tests to validate ticket generation and validity time behavior.

database/migrations/2026_08_06_000000_add_timezone_to_tenants_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
+{
+    public function up(): void
+    {
+        Schema::table('tenants', function (Blueprint $table): void {
+            $table->string('timezone')->default('UTC')->after('dominio');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('tenants', function (Blueprint $table): void {
+            $table->dropColumn('timezone');
+        });
+    }
+};

database/migrations/2026_08_06_000100_create_validity_times_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
+{
+    public function up(): void
+    {
+        Schema::create('validity_times', function (Blueprint $table): void {
+            $table->id();
+            $table->string('type');
+            $table->time('start_time')->nullable();
+            $table->time('end_time')->nullable();
+            $table->dateTime('fixed_starts_at')->nullable();
+            $table->dateTime('fixed_expires_at')->nullable();
+            $table->boolean('active')->default(true);
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('validity_times');
+    }
+};

database/migrations/2026_08_06_000200_add_validity_time_to_catalog_tables.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
+{
+    public function up(): void
+    {
+        Schema::table('catalog_items', function (Blueprint $table): void {
+            $table->foreignId('validity_time_id')
+                ->nullable()
+                ->after('has_tickets')
+                ->constrained('validity_times')
+                ->cascadeOnUpdate()
+                ->nullOnDelete();
+        });
+
+        Schema::table('attribute_options', function (Blueprint $table): void {
+            $table->foreignId('validity_time_id')
+                ->nullable()
+                ->after('attribute_id')
+                ->constrained('validity_times')
+                ->cascadeOnUpdate()
+                ->nullOnDelete();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('attribute_options', function (Blueprint $table): void {
+            $table->dropConstrainedForeignId('validity_time_id');
+        });
+
+        Schema::table('catalog_items', function (Blueprint $table): void {
+            $table->dropConstrainedForeignId('validity_time_id');
+        });
+    }
+};

database/migrations/2026_08_06_000300_add_validity_time_to_tickets_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
+{
+    public function up(): void
+    {
+        Schema::table('tickets', function (Blueprint $table): void {
+            $table->foreignId('validity_time_id')
+                ->nullable()
+                ->after('source_variant_id')
+                ->constrained('validity_times')
+                ->cascadeOnUpdate()
+                ->restrictOnDelete();
+            $table->date('service_date')->nullable()->after('validity_time_id');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('tickets', function (Blueprint $table): void {
+            $table->dropConstrainedForeignId('validity_time_id');
+            $table->dropColumn('service_date');
+        });
+    }
+};

database/migrations/2026_08_06_000400_remove_legacy_ticket_validity_columns.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        $this->preserveFixedWindows(
+            'catalog_items',
+            'minimum_use_date',
+            'maximum_use_date',
+        );
+        $this->preserveFixedWindows('tickets', 'starts_at', 'expires_at');
+
+        Schema::table('tickets', function (Blueprint $table): void {
+            $table->dropColumn(['starts_at', 'expires_at']);
+        });
+
+        Schema::table('catalog_items', function (Blueprint $table): void {
+            $table->dropColumn(['minimum_use_date', 'maximum_use_date']);
+        });
+
+        Schema::table('variantes', function (Blueprint $table): void {
+            $table->dropColumn(['minimum_use_date', 'maximum_use_date']);
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('variantes', function (Blueprint $table): void {
+            $table->dateTime('minimum_use_date')->nullable();
+            $table->dateTime('maximum_use_date')->nullable();
+        });
+
+        Schema::table('catalog_items', function (Blueprint $table): void {
+            $table->dateTime('minimum_use_date')->nullable();
+            $table->dateTime('maximum_use_date')->nullable();
+        });
+
+        Schema::table('tickets', function (Blueprint $table): void {
+            $table->dateTime('starts_at')->nullable();
+            $table->dateTime('expires_at')->nullable();
+        });
+    }
+
+    private function preserveFixedWindows(
+        string $table,
+        string $startsAtColumn,
+        string $expiresAtColumn,
+    ): void {
+        DB::table($table)
+            ->whereNull('validity_time_id')
+            ->where(function ($query) use ($startsAtColumn, $expiresAtColumn): void {
+                $query->whereNotNull($startsAtColumn)
+                    ->orWhereNotNull($expiresAtColumn);
+            })
+            ->select([$startsAtColumn, $expiresAtColumn])
+            ->distinct()
+            ->get()
+            ->each(function ($window) use ($table, $startsAtColumn, $expiresAtColumn): void {
+                $startsAt = $window->{$startsAtColumn};
+                $expiresAt = $window->{$expiresAtColumn};
+                $validityTimeId = DB::table('validity_times')->insertGetId([
+                    'type' => 'fixed_window',
+                    'start_time' => null,
+                    'end_time' => null,
+                    'fixed_starts_at' => $startsAt,
+                    'fixed_expires_at' => $expiresAt,
+                    'active' => true,
+                    'created_at' => now(),
+                    'updated_at' => now(),
+                ]);
+
+                DB::table($table)
+                    ->whereNull('validity_time_id')
+                    ->when(
+                        $startsAt === null,
+                        fn ($query) => $query->whereNull($startsAtColumn),
+                        fn ($query) => $query->where($startsAtColumn, $startsAt),
+                    )
+                    ->when(
+                        $expiresAt === null,
+                        fn ($query) => $query->whereNull($expiresAtColumn),
+                        fn ($query) => $query->where($expiresAtColumn, $expiresAt),
+                    )
+                    ->update(['validity_time_id' => $validityTimeId]);
+            });
+    }
+};