add sandbox runtime control endpoints

domain/sandbox.py

@@ -12,6 +12,12 @@ class SandboxStatus(str, Enum):
     FAILED = 'failed'
 
 
+@dataclass(frozen=True, slots=True)
+class SandboxEndpoint:
+    ip: str
+    port: int
+
+
 @dataclass(frozen=True, slots=True)
 class SandboxSession:
     session_id: UUID
@@ -20,3 +26,6 @@ class SandboxSession:
     status: SandboxStatus
     created_at: datetime
     expires_at: datetime
+    agent_id: str = ''
+    volume_host_path: str = ''
+    endpoint: SandboxEndpoint | None = None