diff --git a/app/Console/Commands/ClearRepositoryCache.php b/app/Console/Commands/ClearRepositoryCache.php
new file mode 100644
index 0000000..b7280d7
--- /dev/null
+++ b/app/Console/Commands/ClearRepositoryCache.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Services\CacheService;
+use Illuminate\Console\Command;
+
+class ClearRepositoryCache extends Command
+{
+    protected $signature = 'repo:cache:clear
+                            {repository? : The repository to clear (domains, usernames, or all)}
+                            {--force : Force clear without confirmation}';
+
+    protected $description = 'Clear repository cache';
+
+    public function __construct(
+        protected CacheService $cacheService
+    ) {
+        parent::__construct();
+    }
+
+    public function handle(): int
+    {
+        $repository = $this->argument('repository');
+
+        if (! $repository || $repository === 'all') {
+            if (! $this->option('force') && ! $this->confirm('Clear all repository cache?')) {
+                $this->info('Cache clearing cancelled.');
+
+                return Command::SUCCESS;
+            }
+
+            $this->info('Clearing all repository cache...');
+            $this->cacheService->clearAllRepositoryCache();
+            $this->info('All repository cache cleared successfully.');
+        } else {
+            $this->info("Clearing cache for {$repository} repository...");
+            $this->cacheService->clearRepositoryCache($repository);
+            $this->info("{$repository} repository cache cleared successfully.");
+        }
+
+        return Command::SUCCESS;
+    }
+}
diff --git a/app/Console/Commands/WarmUpRepositoryCache.php b/app/Console/Commands/WarmUpRepositoryCache.php
new file mode 100644
index 0000000..ac1dbbc
--- /dev/null
+++ b/app/Console/Commands/WarmUpRepositoryCache.php
@@ -0,0 +1,61 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Services\CacheService;
+use Illuminate\Console\Command;
+
+class WarmUpRepositoryCache extends Command
+{
+    protected $signature = 'repo:cache:warm
+                            {--force : Force warm-up without confirmation}';
+
+    protected $description = 'Warm up repository cache with frequently accessed data';
+
+    public function __construct(
+        protected CacheService $cacheService
+    ) {
+        parent::__construct();
+    }
+
+    public function handle(): int
+    {
+        if (! config('repositories.cache.warming.enabled', false)) {
+            $this->error('Cache warming is disabled in configuration.');
+
+            return Command::FAILURE;
+        }
+
+        if (! $this->option('force') && ! $this->confirm('Warm up repository cache?')) {
+            $this->info('Cache warm-up cancelled.');
+
+            return Command::SUCCESS;
+        }
+
+        $this->info('Warming up repository cache...');
+        $this->cacheService->warmUpCache();
+        $this->info('Repository cache warmed up successfully.');
+
+        $stats = $this->cacheService->getCacheStats();
+        $this->table(['Metric', 'Value'], [
+            ['Memory Usage', $this->formatBytes($stats['memory_usage'])],
+            ['Peak Memory', $this->formatBytes($stats['peak_memory'])],
+            ['Cache Tags', implode(', ', $stats['tags'])],
+        ]);
+
+        return Command::SUCCESS;
+    }
+
+    protected function formatBytes(int $bytes): string
+    {
+        $units = ['B', 'KB', 'MB', 'GB'];
+        $unitIndex = 0;
+
+        while ($bytes >= 1024 && $unitIndex < count($units) - 1) {
+            $bytes /= 1024;
+            $unitIndex++;
+        }
+
+        return round($bytes, 2).' '.$units[$unitIndex];
+    }
+}
diff --git a/app/Providers/RepositoryServiceProvider.php b/app/Providers/RepositoryServiceProvider.php
new file mode 100644
index 0000000..1aa9a0a
--- /dev/null
+++ b/app/Providers/RepositoryServiceProvider.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace App\Providers;
+
+use App\Repositories\Contracts\ReadRepositoryInterface;
+use App\Repositories\Contracts\WriteRepositoryInterface;
+use App\Repositories\Domain\Read\DomainReadRepository;
+use App\Repositories\Domain\Write\DomainWriteRepository;
+use App\Repositories\Username\Read\UsernameReadRepository;
+use App\Repositories\Username\Write\UsernameWriteRepository;
+use Illuminate\Support\ServiceProvider;
+
+class RepositoryServiceProvider extends ServiceProvider
+{
+    public function register(): void
+    {
+        // Domain Repositories
+        $this->app->bind(
+            ReadRepositoryInterface::class.'\\Domain',
+            DomainReadRepository::class
+        );
+
+        $this->app->bind(
+            WriteRepositoryInterface::class.'\\Domain',
+            DomainWriteRepository::class
+        );
+
+        $this->app->singleton(DomainReadRepository::class, function ($app) {
+            return new DomainReadRepository($app->make(\App\Models\Domain::class), $app->make('cache'));
+        });
+
+        $this->app->singleton(DomainWriteRepository::class, function ($app) {
+            return new DomainWriteRepository($app->make(\App\Models\Domain::class), $app->make('cache'));
+        });
+
+        // Username Repositories
+        $this->app->bind(
+            ReadRepositoryInterface::class.'\\Username',
+            UsernameReadRepository::class
+        );
+
+        $this->app->bind(
+            WriteRepositoryInterface::class.'\\Username',
+            UsernameWriteRepository::class
+        );
+
+        $this->app->singleton(UsernameReadRepository::class, function ($app) {
+            return new UsernameReadRepository($app->make(\App\Models\Username::class), $app->make('cache'));
+        });
+
+        $this->app->singleton(UsernameWriteRepository::class, function ($app) {
+            return new UsernameWriteRepository($app->make(\App\Models\Username::class), $app->make('cache'));
+        });
+    }
+
+    public function provides(): array
+    {
+        return [
+            DomainReadRepository::class,
+            DomainWriteRepository::class,
+            UsernameReadRepository::class,
+            UsernameWriteRepository::class,
+        ];
+    }
+}
diff --git a/app/Repositories/BaseRepository.php b/app/Repositories/BaseRepository.php
new file mode 100644
index 0000000..0718450
--- /dev/null
+++ b/app/Repositories/BaseRepository.php
@@ -0,0 +1,335 @@
+<?php
+
+namespace App\Repositories;
+
+use App\Repositories\Contracts\ReadRepositoryInterface;
+use Illuminate\Cache\CacheManager;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Pagination\LengthAwarePaginator;
+use Illuminate\Support\Facades\DB;
+
+abstract class BaseRepository implements ReadRepositoryInterface
+{
+    protected Model $model;
+
+    protected CacheManager $cache;
+
+    protected Builder $query;
+
+    protected array $withRelations = [];
+
+    protected array $withCountRelations = [];
+
+    protected string $cacheTag;
+
+    protected int $cacheTtl = 3600; // 1 hour default
+
+    protected bool $cachingEnabled = true;
+
+    public function __construct(Model $model, CacheManager $cache)
+    {
+        $this->model = $model;
+        $this->cache = $cache;
+        $this->query = $model->newQuery();
+        $this->cacheTag = $this->getCacheTag();
+    }
+
+    abstract protected function getCacheTag(): string;
+
+    protected function getCacheKey(string $method, array $parameters = []): string
+    {
+        $key = $this->cacheTag.':'.$method;
+
+        if (! empty($parameters)) {
+            $key .= ':'.md5(serialize($parameters));
+        }
+
+        $key .= ':'.md5(serialize($this->withRelations));
+        $key .= ':'.md5(serialize($this->withCountRelations));
+
+        return $key;
+    }
+
+    protected function executeQuery(callable $callback, ?string $cacheKey = null, ?int $ttl = null)
+    {
+        if (! $this->cachingEnabled || $cacheKey === null) {
+            return $callback();
+        }
+
+        $ttl = $ttl ?? $this->cacheTtl;
+
+        return $this->cache->tags([$this->cacheTag])->remember($cacheKey, $ttl, $callback);
+    }
+
+    protected function resetQuery(): void
+    {
+        $this->query = $this->model->newQuery();
+        $this->withRelations = [];
+        $this->withCountRelations = [];
+    }
+
+    public function findById(int $id, array $columns = ['*']): ?Model
+    {
+        $cacheKey = $this->getCacheKey('find_by_id', ['id' => $id, 'columns' => $columns]);
+
+        return $this->executeQuery(function () use ($id, $columns) {
+            $result = $this->query->find($id, $columns);
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey);
+    }
+
+    public function findBy(string $column, mixed $value, array $columns = ['*']): ?Model
+    {
+        $cacheKey = $this->getCacheKey('find_by', [$column => $value, 'columns' => $columns]);
+
+        return $this->executeQuery(function () use ($column, $value, $columns) {
+            $result = $this->query->where($column, $value)->first($columns);
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey);
+    }
+
+    public function all(array $columns = ['*']): Collection
+    {
+        $cacheKey = $this->getCacheKey('all', ['columns' => $columns]);
+
+        return $this->executeQuery(function () use ($columns) {
+            $result = $this->query->get($columns);
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey);
+    }
+
+    public function get(array $columns = ['*']): Collection
+    {
+        $cacheKey = $this->getCacheKey('get', ['columns' => $columns]);
+
+        return $this->executeQuery(function () use ($columns) {
+            $result = $this->query->get($columns);
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey);
+    }
+
+    public function paginate(int $perPage = 15, array $columns = ['*'], string $pageName = 'page'): LengthAwarePaginator
+    {
+        $page = request()->input($pageName, 1);
+        $cacheKey = $this->getCacheKey('paginate', [
+            'per_page' => $perPage,
+            'columns' => $columns,
+            'page' => $page,
+        ]);
+
+        return $this->executeQuery(function () use ($perPage, $columns, $pageName) {
+            $result = $this->query->paginate($perPage, $columns, $pageName);
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 1800); // 30 minutes for pagination
+    }
+
+    public function whereIn(string $column, array $values, array $columns = ['*']): Collection
+    {
+        $cacheKey = $this->getCacheKey('where_in', [$column => $values, 'columns' => $columns]);
+
+        return $this->executeQuery(function () use ($column, $values, $columns) {
+            $result = $this->query->whereIn($column, $values)->get($columns);
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey);
+    }
+
+    public function where(string $column, mixed $operator, mixed $value = null): static
+    {
+        if (func_num_args() === 2) {
+            $this->query->where($column, $operator);
+        } else {
+            $this->query->where($column, $operator, $value);
+        }
+
+        return $this;
+    }
+
+    public function whereNull(string $column): static
+    {
+        $this->query->whereNull($column);
+
+        return $this;
+    }
+
+    public function whereNotNull(string $column): static
+    {
+        $this->query->whereNotNull($column);
+
+        return $this;
+    }
+
+    public function whereBetween(string $column, array $values): static
+    {
+        $this->query->whereBetween($column, $values);
+
+        return $this;
+    }
+
+    public function orderBy(string $column, string $direction = 'asc'): static
+    {
+        $this->query->orderBy($column, $direction);
+
+        return $this;
+    }
+
+    public function limit(int $limit): static
+    {
+        $this->query->limit($limit);
+
+        return $this;
+    }
+
+    public function with(array $relations): static
+    {
+        $this->withRelations = array_merge($this->withRelations, $relations);
+        $this->query->with($relations);
+
+        return $this;
+    }
+
+    public function withCount(array $relations): static
+    {
+        $this->withCountRelations = array_merge($this->withCountRelations, $relations);
+        $this->query->withCount($relations);
+
+        return $this;
+    }
+
+    public function exists(): bool
+    {
+        $cacheKey = $this->getCacheKey('exists');
+
+        return $this->executeQuery(function () {
+            $result = $this->query->exists();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 300); // 5 minutes for exists check
+    }
+
+    public function count(): int
+    {
+        $cacheKey = $this->getCacheKey('count');
+
+        return $this->executeQuery(function () {
+            $result = $this->query->count();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 600); // 10 minutes for count
+    }
+
+    public function first(array $columns = ['*']): ?Model
+    {
+        $cacheKey = $this->getCacheKey('first', ['columns' => $columns]);
+
+        return $this->executeQuery(function () use ($columns) {
+            $result = $this->query->first($columns);
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey);
+    }
+
+    public function firstWhere(string $column, mixed $operator, mixed $value = null): ?Model
+    {
+        $cacheKey = $this->getCacheKey('first_where', [$column => $operator, 'value' => $value]);
+
+        return $this->executeQuery(function () use ($column, $operator, $value) {
+            if (func_num_args() === 2) {
+                $result = $this->query->firstWhere($column, $operator);
+            } else {
+                $result = $this->query->firstWhere($column, $operator, $value);
+            }
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey);
+    }
+
+    public function pluck(string $column, ?string $key = null): Collection
+    {
+        $cacheKey = $this->getCacheKey('pluck', ['column' => $column, 'key' => $key]);
+
+        return $this->executeQuery(function () use ($column, $key) {
+            $result = $this->query->pluck($column, $key);
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey);
+    }
+
+    public function clearCache(): void
+    {
+        $this->cache->tags([$this->cacheTag])->flush();
+    }
+
+    public function clearCacheForModel(Model $model): void
+    {
+        $this->cache->tags([$this->cacheTag])->flush();
+    }
+
+    public function disableCaching(): static
+    {
+        $this->cachingEnabled = false;
+
+        return $this;
+    }
+
+    public function enableCaching(): static
+    {
+        $this->cachingEnabled = true;
+
+        return $this;
+    }
+
+    public function setCacheTtl(int $ttl): static
+    {
+        $this->cacheTtl = $ttl;
+
+        return $this;
+    }
+
+    protected function startTransaction(): void
+    {
+        DB::beginTransaction();
+    }
+
+    protected function commitTransaction(): void
+    {
+        DB::commit();
+    }
+
+    protected function rollbackTransaction(): void
+    {
+        DB::rollBack();
+    }
+
+    public function transaction(callable $callback): mixed
+    {
+        try {
+            $this->startTransaction();
+            $result = $callback();
+            $this->commitTransaction();
+
+            return $result;
+        } catch (\Throwable $e) {
+            $this->rollbackTransaction();
+            throw $e;
+        }
+    }
+}
diff --git a/app/Repositories/Contracts/ReadRepositoryInterface.php b/app/Repositories/Contracts/ReadRepositoryInterface.php
new file mode 100644
index 0000000..32af7fa
--- /dev/null
+++ b/app/Repositories/Contracts/ReadRepositoryInterface.php
@@ -0,0 +1,52 @@
+<?php
+
+namespace App\Repositories\Contracts;
+
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Pagination\LengthAwarePaginator;
+
+interface ReadRepositoryInterface
+{
+    public function findById(int $id, array $columns = ['*']): ?Model;
+
+    public function findBy(string $column, mixed $value, array $columns = ['*']): ?Model;
+
+    public function all(array $columns = ['*']): Collection;
+
+    public function get(array $columns = ['*']): Collection;
+
+    public function paginate(int $perPage = 15, array $columns = ['*'], string $pageName = 'page'): LengthAwarePaginator;
+
+    public function whereIn(string $column, array $values, array $columns = ['*']): Collection;
+
+    public function where(string $column, mixed $operator, mixed $value = null): self;
+
+    public function whereNull(string $column): self;
+
+    public function whereNotNull(string $column): self;
+
+    public function whereBetween(string $column, array $values): self;
+
+    public function orderBy(string $column, string $direction = 'asc'): self;
+
+    public function limit(int $limit): self;
+
+    public function with(array $relations): self;
+
+    public function withCount(array $relations): self;
+
+    public function exists(): bool;
+
+    public function count(): int;
+
+    public function first(array $columns = ['*']): ?Model;
+
+    public function firstWhere(string $column, mixed $operator, mixed $value = null): ?Model;
+
+    public function pluck(string $column, ?string $key = null): Collection;
+
+    public function clearCache(): void;
+
+    public function clearCacheForModel(Model $model): void;
+}
diff --git a/app/Repositories/Contracts/RepositoryInterface.php b/app/Repositories/Contracts/RepositoryInterface.php
new file mode 100644
index 0000000..e1b1c52
--- /dev/null
+++ b/app/Repositories/Contracts/RepositoryInterface.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Repositories\Contracts;
+
+interface RepositoryInterface extends ReadRepositoryInterface, WriteRepositoryInterface
+{
+    public function getModel(): string;
+
+    public function startTransaction(): void;
+
+    public function commitTransaction(): void;
+
+    public function rollbackTransaction(): void;
+
+    public function transaction(callable $callback): mixed;
+}
diff --git a/app/Repositories/Contracts/WriteRepositoryInterface.php b/app/Repositories/Contracts/WriteRepositoryInterface.php
new file mode 100644
index 0000000..c1e31cc
--- /dev/null
+++ b/app/Repositories/Contracts/WriteRepositoryInterface.php
@@ -0,0 +1,45 @@
+<?php
+
+namespace App\Repositories\Contracts;
+
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Model;
+
+interface WriteRepositoryInterface
+{
+    public function create(array $data): Model;
+
+    public function createMany(array $data): Collection;
+
+    public function update(Model $model, array $data): bool;
+
+    public function updateById(int $id, array $data): bool;
+
+    public function upsert(array $data, array|string $uniqueBy, ?array $update = null): Collection;
+
+    public function delete(Model $model): bool;
+
+    public function deleteById(int $id): bool;
+
+    public function deleteMultiple(array $ids): int;
+
+    public function restore(Model $model): bool;
+
+    public function restoreById(int $id): bool;
+
+    public function forceDelete(Model $model): bool;
+
+    public function forceDeleteById(int $id): bool;
+
+    public function sync(Model $model, string $relation, array $ids, bool $detaching = true): array;
+
+    public function attach(Model $model, string $relation, array $ids, array $attributes = [], bool $touch = true): void;
+
+    public function detach(Model $model, string $relation, ?array $ids = null, bool $touch = true): int;
+
+    public function clearCache(): void;
+
+    public function clearCacheForModel(Model $model): void;
+
+    public function clearCacheForCollection(Collection $models): void;
+}
diff --git a/app/Repositories/Domain/Read/DomainReadRepository.php b/app/Repositories/Domain/Read/DomainReadRepository.php
new file mode 100644
index 0000000..ee9e9fa
--- /dev/null
+++ b/app/Repositories/Domain/Read/DomainReadRepository.php
@@ -0,0 +1,224 @@
+<?php
+
+namespace App\Repositories\Domain\Read;
+
+use App\enum\DomainType;
+use App\enum\ProviderType;
+use App\Models\Domain;
+use App\Repositories\BaseRepository;
+use Illuminate\Database\Eloquent\Collection;
+
+class DomainReadRepository extends BaseRepository
+{
+    protected function getCacheTag(): string
+    {
+        return 'domains';
+    }
+
+    public function getModel(): string
+    {
+        return Domain::class;
+    }
+
+    public function findActive(): Collection
+    {
+        $cacheKey = $this->getCacheKey('active');
+
+        return $this->executeQuery(function () {
+            $result = $this->query
+                ->where('is_active', true)
+                ->where(function ($query) {
+                    $query->whereNull('starts_at')
+                        ->orWhere('starts_at', '<=', now());
+                })
+                ->where(function ($query) {
+                    $query->whereNull('ends_at')
+                        ->orWhere('ends_at', '>=', now());
+                })
+                ->get();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 1800); // 30 minutes
+    }
+
+    public function findActiveByType(?DomainType $domainType = null, ?ProviderType $providerType = null): array
+    {
+        $params = [
+            'domain_type' => $domainType?->value,
+            'provider_type' => $providerType?->value,
+        ];
+        $cacheKey = $this->getCacheKey('active_by_type', $params);
+
+        return $this->executeQuery(function () use ($domainType, $providerType) {
+            $query = $this->query
+                ->where('is_active', true)
+                ->where(function ($query) {
+                    $query->whereNull('starts_at')
+                        ->orWhere('starts_at', '<=', now());
+                })
+                ->where(function ($query) {
+                    $query->whereNull('ends_at')
+                        ->orWhere('ends_at', '>=', now());
+                });
+
+            if ($domainType) {
+                $query->where('domain_type', $domainType->value);
+            }
+
+            if ($providerType) {
+                $query->where('provider_type', $providerType->value);
+            }
+
+            $result = $query->pluck('name')->toArray();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 1800); // 30 minutes
+    }
+
+    public function findActiveByProvider(ProviderType $providerType): Collection
+    {
+        $cacheKey = $this->getCacheKey('active_by_provider', ['provider' => $providerType->value]);
+
+        return $this->executeQuery(function () use ($providerType) {
+            $result = $this->query
+                ->where('is_active', true)
+                ->where('provider_type', $providerType->value)
+                ->where(function ($query) {
+                    $query->whereNull('starts_at')
+                        ->orWhere('starts_at', '<=', now());
+                })
+                ->where(function ($query) {
+                    $query->whereNull('ends_at')
+                        ->orWhere('ends_at', '>=', now());
+                })
+                ->get();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 1800);
+    }
+
+    public function findExpiringSoon(int $days = 7): Collection
+    {
+        $cacheKey = $this->getCacheKey('expiring_soon', ['days' => $days]);
+
+        return $this->executeQuery(function () use ($days) {
+            $result = $this->query
+                ->where('is_active', true)
+                ->whereNotNull('ends_at')
+                ->where('ends_at', '<=', now()->addDays($days))
+                ->where('ends_at', '>', now())
+                ->orderBy('ends_at', 'asc')
+                ->get();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 900); // 15 minutes
+    }
+
+    public function findInactive(): Collection
+    {
+        $cacheKey = $this->getCacheKey('inactive');
+
+        return $this->executeQuery(function () {
+            $result = $this->query
+                ->where('is_active', false)
+                ->orWhere(function ($query) {
+                    $query->whereNotNull('starts_at')
+                        ->where('starts_at', '>', now());
+                })
+                ->orWhere(function ($query) {
+                    $query->whereNotNull('ends_at')
+                        ->where('ends_at', '<', now());
+                })
+                ->get();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 1800);
+    }
+
+    public function findRecentlyUsed(int $hours = 24): Collection
+    {
+        $cacheKey = $this->getCacheKey('recently_used', ['hours' => $hours]);
+
+        return $this->executeQuery(function () use ($hours) {
+            $result = $this->query
+                ->whereNotNull('last_used_at')
+                ->where('last_used_at', '>=', now()->subHours($hours))
+                ->orderBy('last_used_at', 'desc')
+                ->get();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 900); // 15 minutes
+    }
+
+    public function findByName(string $name): ?Domain
+    {
+        $cacheKey = $this->getCacheKey('find_by_name', ['name' => $name]);
+
+        return $this->executeQuery(function () use ($name) {
+            $result = $this->query->where('name', $name)->first();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 3600); // 1 hour
+    }
+
+    public function countActive(): int
+    {
+        $cacheKey = $this->getCacheKey('count_active');
+
+        return $this->executeQuery(function () {
+            $result = $this->query
+                ->where('is_active', true)
+                ->where(function ($query) {
+                    $query->whereNull('starts_at')
+                        ->orWhere('starts_at', '<=', now());
+                })
+                ->where(function ($query) {
+                    $query->whereNull('ends_at')
+                        ->orWhere('ends_at', '>=', now());
+                })
+                ->count();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 600); // 10 minutes
+    }
+
+    public function countByProvider(): array
+    {
+        $cacheKey = $this->getCacheKey('count_by_provider');
+
+        return $this->executeQuery(function () {
+            $result = $this->query
+                ->selectRaw('provider_type, COUNT(*) as count')
+                ->groupBy('provider_type')
+                ->pluck('count', 'provider_type')
+                ->toArray();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 1800);
+    }
+
+    public function countByType(): array
+    {
+        $cacheKey = $this->getCacheKey('count_by_type');
+
+        return $this->executeQuery(function () {
+            $result = $this->query
+                ->selectRaw('domain_type, COUNT(*) as count')
+                ->groupBy('domain_type')
+                ->pluck('count', 'domain_type')
+                ->toArray();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 1800);
+    }
+}
diff --git a/app/Repositories/Domain/Write/DomainWriteRepository.php b/app/Repositories/Domain/Write/DomainWriteRepository.php
new file mode 100644
index 0000000..339416f
--- /dev/null
+++ b/app/Repositories/Domain/Write/DomainWriteRepository.php
@@ -0,0 +1,103 @@
+<?php
+
+namespace App\Repositories\Domain\Write;
+
+use App\Models\Domain;
+use App\Repositories\WriteRepository;
+
+class DomainWriteRepository extends WriteRepository
+{
+    protected function getCacheTag(): string
+    {
+        return 'domains';
+    }
+
+    protected function getReadRepositoryClass(): string
+    {
+        return \App\Repositories\Domain\Read\DomainReadRepository::class;
+    }
+
+    public function activateDomain(Domain $domain): bool
+    {
+        $domain->is_active = true;
+        $result = $domain->save();
+        $this->clearRelatedCache($domain);
+
+        return $result;
+    }
+
+    public function deactivateDomain(Domain $domain): bool
+    {
+        $domain->is_active = false;
+        $result = $domain->save();
+        $this->clearRelatedCache($domain);
+
+        return $result;
+    }
+
+    public function updateUsage(Domain $domain): bool
+    {
+        $domain->last_used_at = now();
+        $domain->checked_at = now();
+        $result = $domain->save();
+        $this->clearRelatedCache($domain);
+
+        return $result;
+    }
+
+    public function updateCheckedAt(Domain $domain): bool
+    {
+        $domain->checked_at = now();
+        $result = $domain->save();
+        $this->clearRelatedCache($domain);
+
+        return $result;
+    }
+
+    public function setExpiration(Domain $domain, ?\DateTime $endsAt = null): bool
+    {
+        $domain->ends_at = $endsAt;
+        $result = $domain->save();
+        $this->clearRelatedCache($domain);
+
+        return $result;
+    }
+
+    public function bulkActivate(array $domainIds): int
+    {
+        $updated = Domain::whereIn('id', $domainIds)->update(['is_active' => true]);
+        $this->clearCache();
+
+        return $updated;
+    }
+
+    public function bulkDeactivate(array $domainIds): int
+    {
+        $updated = Domain::whereIn('id', $domainIds)->update(['is_active' => false]);
+        $this->clearCache();
+
+        return $updated;
+    }
+
+    public function updateDailyMailboxLimit(Domain $domain, int $limit): bool
+    {
+        $domain->daily_mailbox_limit = $limit;
+        $result = $domain->save();
+        $this->clearRelatedCache($domain);
+
+        return $result;
+    }
+
+    public function createWithDefaults(array $data): Domain
+    {
+        $defaults = [
+            'is_active' => true,
+            'daily_mailbox_limit' => 100,
+            'checked_at' => now(),
+        ];
+
+        $domainData = array_merge($defaults, $data);
+
+        return $this->create($domainData);
+    }
+}
diff --git a/app/Repositories/Username/Read/UsernameReadRepository.php b/app/Repositories/Username/Read/UsernameReadRepository.php
new file mode 100644
index 0000000..b9b6e77
--- /dev/null
+++ b/app/Repositories/Username/Read/UsernameReadRepository.php
@@ -0,0 +1,317 @@
+<?php
+
+namespace App\Repositories\Username\Read;
+
+use App\enum\ProviderType;
+use App\enum\UsernameType;
+use App\Models\Username;
+use App\Repositories\BaseRepository;
+use Illuminate\Database\Eloquent\Collection;
+
+class UsernameReadRepository extends BaseRepository
+{
+    protected function getCacheTag(): string
+    {
+        return 'usernames';
+    }
+
+    public function getModel(): string
+    {
+        return Username::class;
+    }
+
+    public function findActive(): Collection
+    {
+        $cacheKey = $this->getCacheKey('active');
+
+        return $this->executeQuery(function () {
+            $result = $this->query
+                ->where('is_active', true)
+                ->where(function ($query) {
+                    $query->whereNull('starts_at')
+                        ->orWhere('starts_at', '<=', now());
+                })
+                ->where(function ($query) {
+                    $query->whereNull('ends_at')
+                        ->orWhere('ends_at', '>=', now());
+                })
+                ->get();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 1800); // 30 minutes
+    }
+
+    public function findActiveByType(?UsernameType $usernameType = null, ?ProviderType $providerType = null): array
+    {
+        $params = [
+            'username_type' => $usernameType?->value,
+            'provider_type' => $providerType?->value,
+        ];
+        $cacheKey = $this->getCacheKey('active_by_type', $params);
+
+        return $this->executeQuery(function () use ($usernameType, $providerType) {
+            $query = $this->query
+                ->where('is_active', true)
+                ->where(function ($query) {
+                    $query->whereNull('starts_at')
+                        ->orWhere('starts_at', '<=', now());
+                })
+                ->where(function ($query) {
+                    $query->whereNull('ends_at')
+                        ->orWhere('ends_at', '>=', now());
+                });
+
+            if ($usernameType) {
+                $query->where('username_type', $usernameType->value);
+            }
+
+            if ($providerType) {
+                $query->where('provider_type', $providerType->value);
+            }
+
+            $result = $query->pluck('username')->toArray();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 1800); // 30 minutes
+    }
+
+    public function findActiveByProvider(ProviderType $providerType): Collection
+    {
+        $cacheKey = $this->getCacheKey('active_by_provider', ['provider' => $providerType->value]);
+
+        return $this->executeQuery(function () use ($providerType) {
+            $result = $this->query
+                ->where('is_active', true)
+                ->where('provider_type', $providerType->value)
+                ->where(function ($query) {
+                    $query->whereNull('starts_at')
+                        ->orWhere('starts_at', '<=', now());
+                })
+                ->where(function ($query) {
+                    $query->whereNull('ends_at')
+                        ->orWhere('ends_at', '>=', now());
+                })
+                ->get();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 1800);
+    }
+
+    public function findPublicActive(): Collection
+    {
+        $cacheKey = $this->getCacheKey('public_active');
+
+        return $this->executeQuery(function () {
+            $result = $this->query
+                ->where('is_active', true)
+                ->where('username_type', UsernameType::PUBLIC->value)
+                ->where(function ($query) {
+                    $query->whereNull('starts_at')
+                        ->orWhere('starts_at', '<=', now());
+                })
+                ->where(function ($query) {
+                    $query->whereNull('ends_at')
+                        ->orWhere('ends_at', '>=', now());
+                })
+                ->get();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 1800);
+    }
+
+    public function findPremiumActive(): Collection
+    {
+        $cacheKey = $this->getCacheKey('premium_active');
+
+        return $this->executeQuery(function () {
+            $result = $this->query
+                ->where('is_active', true)
+                ->where('username_type', UsernameType::PREMIUM->value)
+                ->where(function ($query) {
+                    $query->whereNull('starts_at')
+                        ->orWhere('starts_at', '<=', now());
+                })
+                ->where(function ($query) {
+                    $query->whereNull('ends_at')
+                        ->orWhere('ends_at', '>=', now());
+                })
+                ->get();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 1800);
+    }
+
+    public function findExpiringSoon(int $days = 7): Collection
+    {
+        $cacheKey = $this->getCacheKey('expiring_soon', ['days' => $days]);
+
+        return $this->executeQuery(function () use ($days) {
+            $result = $this->query
+                ->where('is_active', true)
+                ->whereNotNull('ends_at')
+                ->where('ends_at', '<=', now()->addDays($days))
+                ->where('ends_at', '>', now())
+                ->orderBy('ends_at', 'asc')
+                ->get();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 900); // 15 minutes
+    }
+
+    public function findInactive(): Collection
+    {
+        $cacheKey = $this->getCacheKey('inactive');
+
+        return $this->executeQuery(function () {
+            $result = $this->query
+                ->where('is_active', false)
+                ->orWhere(function ($query) {
+                    $query->whereNotNull('starts_at')
+                        ->where('starts_at', '>', now());
+                })
+                ->orWhere(function ($query) {
+                    $query->whereNotNull('ends_at')
+                        ->where('ends_at', '<', now());
+                })
+                ->get();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 1800);
+    }
+
+    public function findRecentlyUsed(int $hours = 24): Collection
+    {
+        $cacheKey = $this->getCacheKey('recently_used', ['hours' => $hours]);
+
+        return $this->executeQuery(function () use ($hours) {
+            $result = $this->query
+                ->whereNotNull('last_used_at')
+                ->where('last_used_at', '>=', now()->subHours($hours))
+                ->orderBy('last_used_at', 'desc')
+                ->get();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 900); // 15 minutes
+    }
+
+    public function findByUsername(string $username): ?Username
+    {
+        $cacheKey = $this->getCacheKey('find_by_username', ['username' => $username]);
+
+        return $this->executeQuery(function () use ($username) {
+            $result = $this->query->where('username', $username)->first();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 3600); // 1 hour
+    }
+
+    public function countActive(): int
+    {
+        $cacheKey = $this->getCacheKey('count_active');
+
+        return $this->executeQuery(function () {
+            $result = $this->query
+                ->where('is_active', true)
+                ->where(function ($query) {
+                    $query->whereNull('starts_at')
+                        ->orWhere('starts_at', '<=', now());
+                })
+                ->where(function ($query) {
+                    $query->whereNull('ends_at')
+                        ->orWhere('ends_at', '>=', now());
+                })
+                ->count();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 600); // 10 minutes
+    }
+
+    public function countByProvider(): array
+    {
+        $cacheKey = $this->getCacheKey('count_by_provider');
+
+        return $this->executeQuery(function () {
+            $result = $this->query
+                ->selectRaw('provider_type, COUNT(*) as count')
+                ->groupBy('provider_type')
+                ->pluck('count', 'provider_type')
+                ->toArray();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 1800);
+    }
+
+    public function countByType(): array
+    {
+        $cacheKey = $this->getCacheKey('count_by_type');
+
+        return $this->executeQuery(function () {
+            $result = $this->query
+                ->selectRaw('username_type, COUNT(*) as count')
+                ->groupBy('username_type')
+                ->pluck('count', 'username_type')
+                ->toArray();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 1800);
+    }
+
+    public function findAvailableForUse(UsernameType $type, int $limit = 10): Collection
+    {
+        $cacheKey = $this->getCacheKey('available_for_use', [
+            'type' => $type->value,
+            'limit' => $limit,
+        ]);
+
+        return $this->executeQuery(function () use ($type, $limit) {
+            $result = $this->query
+                ->where('is_active', true)
+                ->where('username_type', $type->value)
+                ->where(function ($query) {
+                    $query->whereNull('starts_at')
+                        ->orWhere('starts_at', '<=', now());
+                })
+                ->where(function ($query) {
+                    $query->whereNull('ends_at')
+                        ->orWhere('ends_at', '>=', now());
+                })
+                ->orderBy('last_used_at', 'asc')
+                ->limit($limit)
+                ->get();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 300); // 5 minutes
+    }
+
+    public function findUnused(int $days = 30): Collection
+    {
+        $cacheKey = $this->getCacheKey('unused', ['days' => $days]);
+
+        return $this->executeQuery(function () {
+            $result = $this->query
+                ->where('is_active', true)
+                ->where(function ($query) {
+                    $query->whereNull('last_used_at')
+                        ->orWhere('last_used_at', '<', now()->subDays($days));
+                })
+                ->orderBy('last_used_at', 'asc')
+                ->get();
+            $this->resetQuery();
+
+            return $result;
+        }, $cacheKey, 1800);
+    }
+}
diff --git a/app/Repositories/Username/Write/UsernameWriteRepository.php b/app/Repositories/Username/Write/UsernameWriteRepository.php
new file mode 100644
index 0000000..f51d8a5
--- /dev/null
+++ b/app/Repositories/Username/Write/UsernameWriteRepository.php
@@ -0,0 +1,163 @@
+<?php
+
+namespace App\Repositories\Username\Write;
+
+use App\enum\UsernameType;
+use App\Models\Username;
+use App\Repositories\WriteRepository;
+
+class UsernameWriteRepository extends WriteRepository
+{
+    protected function getCacheTag(): string
+    {
+        return 'usernames';
+    }
+
+    protected function getReadRepositoryClass(): string
+    {
+        return \App\Repositories\Username\Read\UsernameReadRepository::class;
+    }
+
+    public function activateUsername(Username $username): bool
+    {
+        $username->is_active = true;
+        $result = $username->save();
+        $this->clearRelatedCache($username);
+
+        return $result;
+    }
+
+    public function deactivateUsername(Username $username): bool
+    {
+        $username->is_active = false;
+        $result = $username->save();
+        $this->clearRelatedCache($username);
+
+        return $result;
+    }
+
+    public function updateUsage(Username $username): bool
+    {
+        $username->last_used_at = now();
+        $username->checked_at = now();
+        $result = $username->save();
+        $this->clearRelatedCache($username);
+
+        return $result;
+    }
+
+    public function updateCheckedAt(Username $username): bool
+    {
+        $username->checked_at = now();
+        $result = $username->save();
+        $this->clearRelatedCache($username);
+
+        return $result;
+    }
+
+    public function setExpiration(Username $username, ?\DateTime $endsAt = null): bool
+    {
+        $username->ends_at = $endsAt;
+        $result = $username->save();
+        $this->clearRelatedCache($username);
+
+        return $result;
+    }
+
+    public function setStartDate(Username $username, ?\DateTime $startsAt = null): bool
+    {
+        $username->starts_at = $startsAt;
+        $result = $username->save();
+        $this->clearRelatedCache($username);
+
+        return $result;
+    }
+
+    public function changeType(Username $username, UsernameType $type): bool
+    {
+        $username->username_type = $type->value;
+        $result = $username->save();
+        $this->clearRelatedCache($username);
+
+        return $result;
+    }
+
+    public function bulkActivate(array $usernameIds): int
+    {
+        $updated = Username::whereIn('id', $usernameIds)->update(['is_active' => true]);
+        $this->clearCache();
+
+        return $updated;
+    }
+
+    public function bulkDeactivate(array $usernameIds): int
+    {
+        $updated = Username::whereIn('id', $usernameIds)->update(['is_active' => false]);
+        $this->clearCache();
+
+        return $updated;
+    }
+
+    public function updateDailyMailboxLimit(Username $username, int $limit): bool
+    {
+        $username->daily_mailbox_limit = $limit;
+        $result = $username->save();
+        $this->clearRelatedCache($username);
+
+        return $result;
+    }
+
+    public function createWithDefaults(array $data): Username
+    {
+        $defaults = [
+            'is_active' => true,
+            'daily_mailbox_limit' => 100,
+            'checked_at' => now(),
+        ];
+
+        $usernameData = array_merge($defaults, $data);
+
+        return $this->create($usernameData);
+    }
+
+    public function markAsUsed(Username $username): bool
+    {
+        $username->last_used_at = now();
+        $result = $username->save();
+        $this->clearRelatedCache($username);
+
+        return $result;
+    }
+
+    public function resetUsage(Username $username): bool
+    {
+        $username->last_used_at = null;
+        $username->checked_at = now();
+        $result = $username->save();
+        $this->clearRelatedCache($username);
+
+        return $result;
+    }
+
+    public function bulkUpdateUsage(array $usernameIds): int
+    {
+        $updated = Username::whereIn('id', $usernameIds)->update([
+            'last_used_at' => now(),
+            'checked_at' => now(),
+        ]);
+        $this->clearCache();
+
+        return $updated;
+    }
+
+    public function bulkResetUsage(array $usernameIds): int
+    {
+        $updated = Username::whereIn('id', $usernameIds)->update([
+            'last_used_at' => null,
+            'checked_at' => now(),
+        ]);
+        $this->clearCache();
+
+        return $updated;
+    }
+}
diff --git a/app/Repositories/WriteRepository.php b/app/Repositories/WriteRepository.php
new file mode 100644
index 0000000..248aa51
--- /dev/null
+++ b/app/Repositories/WriteRepository.php
@@ -0,0 +1,187 @@
+<?php
+
+namespace App\Repositories;
+
+use App\Repositories\Contracts\WriteRepositoryInterface;
+use Illuminate\Cache\CacheManager;
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Model;
+
+abstract class WriteRepository implements WriteRepositoryInterface
+{
+    protected Model $model;
+
+    protected CacheManager $cache;
+
+    protected string $cacheTag;
+
+    protected string $readRepositoryClass;
+
+    public function __construct(Model $model, CacheManager $cache)
+    {
+        $this->model = $model;
+        $this->cache = $cache;
+        $this->cacheTag = $this->getCacheTag();
+        $this->readRepositoryClass = $this->getReadRepositoryClass();
+    }
+
+    abstract protected function getCacheTag(): string;
+
+    abstract protected function getReadRepositoryClass(): string;
+
+    protected function getReadRepository(): mixed
+    {
+        return app($this->readRepositoryClass);
+    }
+
+    protected function clearRelatedCache(Model $model): void
+    {
+        $this->getReadRepository()->clearCacheForModel($model);
+    }
+
+    protected function clearCollectionCache(Collection $models): void
+    {
+        foreach ($models as $model) {
+            $this->clearRelatedCache($model);
+        }
+    }
+
+    public function create(array $data): Model
+    {
+        $model = $this->model->create($data);
+        $this->clearRelatedCache($model);
+
+        return $model;
+    }
+
+    public function createMany(array $data): Collection
+    {
+        $models = $this->model->insert($data) ? $this->model->whereIn('id',
+            $this->model->latest()->take(count($data))->pluck('id')
+        )->get() : collect();
+
+        $this->getReadRepository()->clearCache();
+
+        return $models;
+    }
+
+    public function update(Model $model, array $data): bool
+    {
+        $result = $model->update($data);
+        $this->clearRelatedCache($model);
+
+        return $result;
+    }
+
+    public function updateById(int $id, array $data): bool
+    {
+        $model = $this->model->findOrFail($id);
+
+        return $this->update($model, $data);
+    }
+
+    public function upsert(array $data, array|string $uniqueBy, ?array $update = null): Collection
+    {
+        $this->model->upsert($data, $uniqueBy, $update);
+
+        // Clear all cache since upsert can affect multiple records
+        $this->getReadRepository()->clearCache();
+
+        // Return the upserted records
+        $uniqueValues = collect($data)->pluck($uniqueBy);
+
+        return $this->model->whereIn($uniqueBy, $uniqueValues)->get();
+    }
+
+    public function delete(Model $model): bool
+    {
+        $result = $model->delete();
+        $this->clearRelatedCache($model);
+
+        return $result;
+    }
+
+    public function deleteById(int $id): bool
+    {
+        $model = $this->model->findOrFail($id);
+
+        return $this->delete($model);
+    }
+
+    public function deleteMultiple(array $ids): int
+    {
+        $deleted = $this->model->whereIn('id', $ids)->delete();
+
+        // Clear all cache since multiple records are deleted
+        $this->getReadRepository()->clearCache();
+
+        return $deleted;
+    }
+
+    public function restore(Model $model): bool
+    {
+        $result = $model->restore();
+        $this->clearRelatedCache($model);
+
+        return $result;
+    }
+
+    public function restoreById(int $id): bool
+    {
+        $model = $this->model->withTrashed()->findOrFail($id);
+
+        return $this->restore($model);
+    }
+
+    public function forceDelete(Model $model): bool
+    {
+        $result = $model->forceDelete();
+        $this->clearRelatedCache($model);
+
+        return $result;
+    }
+
+    public function forceDeleteById(int $id): bool
+    {
+        $model = $this->model->withTrashed()->findOrFail($id);
+
+        return $this->forceDelete($model);
+    }
+
+    public function sync(Model $model, string $relation, array $ids, bool $detaching = true): array
+    {
+        $result = $model->{$relation}()->sync($ids, $detaching);
+        $this->clearRelatedCache($model);
+
+        return $result;
+    }
+
+    public function attach(Model $model, string $relation, array $ids, array $attributes = [], bool $touch = true): void
+    {
+        $model->{$relation}()->attach($ids, $attributes, $touch);
+        $this->clearRelatedCache($model);
+    }
+
+    public function detach(Model $model, string $relation, ?array $ids = null, bool $touch = true): int
+    {
+        $result = $model->{$relation}()->detach($ids, $touch);
+        $this->clearRelatedCache($model);
+
+        return $result;
+    }
+
+    public function clearCache(): void
+    {
+        $this->getReadRepository()->clearCache();
+    }
+
+    public function clearCacheForModel(Model $model): void
+    {
+        $this->clearRelatedCache($model);
+    }
+
+    public function clearCacheForCollection(Collection $models): void
+    {
+        $this->clearCollectionCache($models);
+    }
+}
diff --git a/app/Services/CacheService.php b/app/Services/CacheService.php
new file mode 100644
index 0000000..bd31dd9
--- /dev/null
+++ b/app/Services/CacheService.php
@@ -0,0 +1,127 @@
+<?php
+
+namespace App\Services;
+
+use Illuminate\Cache\CacheManager;
+use Illuminate\Support\Collection;
+
+class CacheService
+{
+    public function __construct(
+        protected CacheManager $cache
+    ) {}
+
+    public function clearRepositoryCache(string $repository): void
+    {
+        $tag = $this->getRepositoryTag($repository);
+        $this->cache->tags([$tag])->flush();
+    }
+
+    public function clearModelCache(string $model, ?int $modelId = null): void
+    {
+        $tag = $this->getModelTag($model);
+
+        if ($modelId) {
+            // Clear specific model cache and related caches
+            $this->cache->tags([$tag])->flush();
+        } else {
+            // Clear all cache for this model type
+            $this->cache->tags([$tag])->flush();
+        }
+    }
+
+    public function warmUpCache(): void
+    {
+        $config = config('repositories.cache.warming.commands', []);
+
+        foreach ($config as $command) {
+            try {
+                $this->executeWarmUpCommand($command);
+            } catch (\Exception $e) {
+                \Log::warning("Failed to warm up cache for command: {$command}", [
+                    'error' => $e->getMessage(),
+                ]);
+            }
+        }
+    }
+
+    public function getCacheStats(): array
+    {
+        return [
+            'tags' => $this->getCacheTags(),
+            'memory_usage' => memory_get_usage(true),
+            'peak_memory' => memory_get_peak_usage(true),
+        ];
+    }
+
+    public function clearAllRepositoryCache(): void
+    {
+        $tags = collect([
+            'domains',
+            'usernames',
+        ])->map(fn ($tag) => $this->getFullTag($tag));
+
+        $this->cache->tags($tags->toArray())->flush();
+    }
+
+    protected function getRepositoryTag(string $repository): string
+    {
+        return $this->getFullTag(config("repositories.cache.tags.{$repository}", $repository));
+    }
+
+    protected function getModelTag(string $model): string
+    {
+        $repository = strtolower(str_replace('App\\Models\\', '', $model));
+
+        return $this->getRepositoryTag($repository);
+    }
+
+    protected function getFullTag(string $tag): string
+    {
+        $prefix = config('repositories.cache.prefix', 'repo');
+
+        return "{$prefix}:{$tag}";
+    }
+
+    protected function executeWarmUpCommand(string $command): void
+    {
+        match ($command) {
+            'domains:active' => $this->warmUpActiveDomains(),
+            'usernames:active' => $this->warmUpActiveUsernames(),
+            'domains:count' => $this->warmUpDomainCounts(),
+            'usernames:count' => $this->warmUpUsernameCounts(),
+            default => \Log::warning("Unknown warm-up command: {$command}"),
+        };
+    }
+
+    protected function warmUpActiveDomains(): void
+    {
+        app(\App\Repositories\Domain\Read\DomainReadRepository::class)->findActive();
+    }
+
+    protected function warmUpActiveUsernames(): void
+    {
+        app(\App\Repositories\Username\Read\UsernameReadRepository::class)->findActive();
+    }
+
+    protected function warmUpDomainCounts(): void
+    {
+        $repo = app(\App\Repositories\Domain\Read\DomainReadRepository::class);
+        $repo->countActive();
+        $repo->countByProvider();
+        $repo->countByType();
+    }
+
+    protected function warmUpUsernameCounts(): void
+    {
+        $repo = app(\App\Repositories\Username\Read\UsernameReadRepository::class);
+        $repo->countActive();
+        $repo->countByProvider();
+        $repo->countByType();
+    }
+
+    protected function getCacheTags(): Collection
+    {
+        return collect(config('repositories.cache.tags', []))->keys();
+    }
+}
diff --git a/bootstrap/providers.php b/bootstrap/providers.php
index 8843715..c589751 100644
--- a/bootstrap/providers.php
+++ b/bootstrap/providers.php
@@ -3,4 +3,5 @@
 return [
     App\Providers\AppServiceProvider::class,
     App\Providers\Filament\DashPanelProvider::class,
+    App\Providers\RepositoryServiceProvider::class,
 ];
diff --git a/config/repositories.php b/config/repositories.php
new file mode 100644
index 0000000..0fcd6d1
--- /dev/null
+++ b/config/repositories.php
@@ -0,0 +1,188 @@
+<?php
+
+return [
+    /*
+    |--------------------------------------------------------------------------
+    | Repository Cache Configuration
+    |--------------------------------------------------------------------------
+    |
+    | This file contains configuration options for the repository caching system.
+    | You can customize TTL values, enable/disable caching, and configure
+    | cache tags for different repository types.
+    |
+    */
+
+    'cache' => [
+        /*
+        |--------------------------------------------------------------------------
+        | Default Cache TTL (seconds)
+        |--------------------------------------------------------------------------
+        |
+        | Default time-to-live for cached repository results. Can be overridden
+        | per repository or per method call.
+        |
+        */
+        'default_ttl' => env('REPOSITORY_CACHE_TTL', 3600), // 1 hour
+
+        /*
+        |--------------------------------------------------------------------------
+        | Enable Caching
+        |--------------------------------------------------------------------------
+        |
+        | Global switch to enable/disable repository caching. Useful for
+        | debugging environments.
+        |
+        */
+        'enabled' => env('REPOSITORY_CACHE_ENABLED', true),
+
+        /*
+        |--------------------------------------------------------------------------
+        | Cache Prefix
+        |--------------------------------------------------------------------------
+        |
+        | Prefix to use for all repository cache keys.
+        |
+        */
+        'prefix' => env('REPOSITORY_CACHE_PREFIX', 'repo'),
+
+        /*
+        |--------------------------------------------------------------------------
+        | Repository-specific TTL Configuration
+        |--------------------------------------------------------------------------
+        |
+        | You can configure different TTL values for different repositories
+        | or specific methods.
+        |
+        */
+        'ttl' => [
+            'domains' => [
+                'default' => 3600, // 1 hour
+                'active' => 1800,  // 30 minutes
+                'count' => 600,    // 10 minutes
+                'expiring_soon' => 900, // 15 minutes
+                'recently_used' => 900,  // 15 minutes
+            ],
+            'usernames' => [
+                'default' => 3600, // 1 hour
+                'active' => 1800,  // 30 minutes
+                'count' => 600,    // 10 minutes
+                'expiring_soon' => 900, // 15 minutes
+                'recently_used' => 900,  // 15 minutes
+                'available_for_use' => 300, // 5 minutes
+            ],
+        ],
+
+        /*
+        |--------------------------------------------------------------------------
+        | Cache Tags
+        |--------------------------------------------------------------------------
+        |
+        | Tags used for cache invalidation. Each repository should have its
+        | own tag to ensure selective cache clearing.
+        |
+        */
+        'tags' => [
+            'domains' => 'domains',
+            'usernames' => 'usernames',
+        ],
+
+        /*
+        |--------------------------------------------------------------------------
+        | Cache Warming
+        |--------------------------------------------------------------------------
+        |
+        | Configuration for warming up cache with frequently accessed data.
+        |
+        */
+        'warming' => [
+            'enabled' => env('REPOSITORY_CACHE_WARMING_ENABLED', false),
+            'commands' => [
+                'domains:active',
+                'usernames:active',
+                'domains:count',
+                'usernames:count',
+            ],
+        ],
+    ],
+
+    /*
+    |--------------------------------------------------------------------------
+    | Repository Configuration
+    |--------------------------------------------------------------------------
+    |
+    | General repository configuration options.
+    |
+    */
+    'repositories' => [
+        /*
+        |--------------------------------------------------------------------------
+        | Default Page Size
+        |--------------------------------------------------------------------------
+        |
+        | Default number of items per page for pagination.
+        |
+        */
+        'default_page_size' => 15,
+
+        /*
+        |--------------------------------------------------------------------------
+        | Max Page Size
+        |--------------------------------------------------------------------------
+        |
+        | Maximum number of items allowed per page to prevent excessive
+        | memory usage.
+        |
+        */
+        'max_page_size' => 100,
+
+        /*
+        |--------------------------------------------------------------------------
+        | Transaction Timeout
+        |--------------------------------------------------------------------------
+        |
+        | Timeout in seconds for repository transactions.
+        |
+        */
+        'transaction_timeout' => 30,
+    ],
+
+    /*
+    |--------------------------------------------------------------------------
+    | Performance Monitoring
+    |--------------------------------------------------------------------------
+    |
+    | Configuration for monitoring repository performance and cache hit rates.
+    |
+    */
+    'monitoring' => [
+        /*
+        |--------------------------------------------------------------------------
+        | Enable Performance Monitoring
+        |--------------------------------------------------------------------------
+        |
+        | Track query execution times and cache hit rates.
+        |
+        */
+        'enabled' => env('REPOSITORY_MONITORING_ENABLED', false),
+
+        /*
+        |--------------------------------------------------------------------------
+        | Log Slow Queries
+        |--------------------------------------------------------------------------
+        |
+        | Log queries that take longer than this many milliseconds.
+        |
+        */
+        'slow_query_threshold' => 1000, // 1 second
+
+        /*
+        |--------------------------------------------------------------------------
+        | Log Cache Misses
+        |--------------------------------------------------------------------------
+        |
+        | Log cache misses for debugging purposes.
+        |
+        */
+        'log_cache_misses' => env('REPOSITORY_LOG_CACHE_MISSES', false),
+    ],
+];