feat: Add screenshot processing adapters

utils.py

@@ -0,0 +1,23 @@
+import base64
+import json
+from jsonschema import validate, ValidationError
+
+
+def img2base64(image_path: str) -> str:
+    """
+    Converts image to base64 encoded string
+    """
+
+    with open(image_path, "rb") as f:
+        base64_encoded = base64.b64encode(f.read()).decode("utf-8")
+
+    return f"data:image/png;base64,{base64_encoded}"
+
+
+def is_valid_json_schema(json_string: str, schema: dict) -> bool:
+    try:
+        data = json.loads(json_string)
+        validate(instance=data, schema=schema)
+        return True
+    except (json.JSONDecodeError, ValidationError):
+        return False