ref #8: [feat] add http endpoint

adapter/http/fastapi/schemas.py

@@ -1,4 +1,6 @@
-from pydantic import BaseModel
+from datetime import datetime
+
+from pydantic import BaseModel, ConfigDict, Field
 
 
 class HealthResponse(BaseModel):
@@ -7,6 +9,20 @@ class HealthResponse(BaseModel):
     env: str
 
 
+class CreateSandboxRequest(BaseModel):
+    model_config = ConfigDict(extra='forbid', str_strip_whitespace=True)
+
+    chat_id: str = Field(min_length=1)
+
+
+class SandboxSessionResponse(BaseModel):
+    session_id: str
+    chat_id: str
+    container_id: str
+    status: str
+    expires_at: datetime
+
+
 class UserResponse(BaseModel):
     id: str
     email: str