release: bump version to 0.70.0

backend/app/schemas/ai.py

@@ -2,6 +2,7 @@ from typing import Any
 
 from pydantic import BaseModel, Field
 
+from app.core.enums import PlaygroundMessageKind, PlaygroundMessageRole, PlaygroundMessageStatus
 
 class AIContentBlock(BaseModel):
     type: str
@@ -110,9 +111,9 @@ class PlaygroundSessionUpsertRequest(BaseModel):
 
 class PlaygroundMessageRecord(BaseModel):
     id: str
-    role: str
-    kind: str = "message"
-    status: str = "done"
+    role: PlaygroundMessageRole
+    kind: PlaygroundMessageKind = PlaygroundMessageKind.MESSAGE
+    status: PlaygroundMessageStatus = PlaygroundMessageStatus.DONE
     title: str | None = None
     content: str = ""
     thinking_content: str = ""