Brushed up the backend, added writing task 1 academic prompt gen and grading ENCOA-274

ielts_be/dtos/evaluation.py

@@ -0,0 +1,18 @@
+from enum import Enum
+from typing import Dict, Optional
+from pydantic import BaseModel
+
+
+class EvaluationType(str, Enum):
+    WRITING = "writing"
+    SPEAKING_INTERACTIVE = "speaking_interactive"
+    SPEAKING = "speaking"
+
+class EvaluationRecord(BaseModel):
+    id: str
+    session_id: str
+    exercise_id: str
+    type: EvaluationType
+    task: int
+    status: str = "pending"
+    result: Optional[Dict] = None