initial structure implemented

docs -> _docs

helpers/batch_validator.py

@@ -0,0 +1,38 @@
+from typing import Optional
+import numpy as np
+
+from models.core import ValidationResult
+from models.images import ImageBatch
+
+
+class BatchValidator:
+    @staticmethod
+    def validate_batch(batch: ImageBatch) -> ValidationResult:
+        raise NotImplementedError
+
+    @staticmethod
+    def validate_image_format(image_bytes: bytes) -> ValidationResult:
+        raise NotImplementedError
+
+    @staticmethod
+    def validate_sequence_continuity(
+        current_batch: ImageBatch,
+        expected_start: int,
+    ) -> ValidationResult:
+        raise NotImplementedError
+
+    @staticmethod
+    def validate_image_dimensions(
+        image: np.ndarray,
+        expected_width: int,
+        expected_height: int,
+    ) -> ValidationResult:
+        raise NotImplementedError
+
+    @staticmethod
+    def validate_batch_size(
+        batch: ImageBatch,
+        max_size: int = 100,
+    ) -> ValidationResult:
+        raise NotImplementedError
+