update review api.

lib/features/reviews/domain/usecases/submit_review.dart

@@ -0,0 +1,61 @@
+/// Use Case: Submit Review
+///
+/// Submits a new product review or updates an existing one.
+library;
+
+import 'package:worker/features/reviews/domain/repositories/reviews_repository.dart';
+
+/// Use case for submitting a product review
+class SubmitReview {
+  const SubmitReview(this._repository);
+
+  final ReviewsRepository _repository;
+
+  /// Execute the use case
+  ///
+  /// [itemId] - Product item code
+  /// [rating] - Rating value (0-1 scale for API)
+  /// [comment] - Review comment text
+  /// [name] - Optional review ID for updates
+  ///
+  /// Note: The rating should be in 0-1 scale for the API.
+  /// If you have a 1-5 star rating, convert it first: `stars / 5.0`
+  Future<void> call({
+    required String itemId,
+    required double rating,
+    required String comment,
+    String? name,
+  }) async {
+    // Validate rating range (0-1)
+    if (rating < 0 || rating > 1) {
+      throw ArgumentError(
+        'Rating must be between 0 and 1. Got: $rating. '
+        'If you have a 1-5 star rating, convert it first: stars / 5.0',
+      );
+    }
+
+    // Validate comment length
+    if (comment.trim().isEmpty) {
+      throw ArgumentError('Review comment cannot be empty');
+    }
+
+    if (comment.trim().length < 20) {
+      throw ArgumentError(
+        'Review comment must be at least 20 characters. Got: ${comment.trim().length}',
+      );
+    }
+
+    if (comment.length > 1000) {
+      throw ArgumentError(
+        'Review comment must not exceed 1000 characters. Got: ${comment.length}',
+      );
+    }
+
+    await _repository.submitReview(
+      itemId: itemId,
+      rating: rating,
+      comment: comment.trim(),
+      name: name,
+    );
+  }
+}