feat add glm-ocr core

tests/schemas/test_image.py

@@ -0,0 +1,31 @@
+from app.schemas.image import ImageOCRRequest, LayoutRegion
+
+
+def test_layout_region_native_label_defaults_to_empty_string():
+    region = LayoutRegion(
+        type="text",
+        bbox=[0, 0, 10, 10],
+        confidence=0.9,
+        score=0.9,
+    )
+
+    assert region.native_label == ""
+
+
+def test_layout_region_exposes_native_label_when_provided():
+    region = LayoutRegion(
+        type="text",
+        native_label="doc_title",
+        bbox=[0, 0, 10, 10],
+        confidence=0.9,
+        score=0.9,
+    )
+
+    assert region.native_label == "doc_title"
+
+
+def test_image_ocr_request_requires_exactly_one_input():
+    request = ImageOCRRequest(image_url="https://example.com/test.png")
+
+    assert request.image_url == "https://example.com/test.png"
+    assert request.image_base64 is None