tenant deletion/reset

backend/src/models.rs

@@ -654,7 +654,8 @@ pub struct Job {
     pub last_error: Option<String>,
     pub created_at: NaiveDateTime,
     pub updated_at: NaiveDateTime,
-    pub tenant_id: Uuid,
+    pub tenant_id: Option<Uuid>,
+    pub result: Option<serde_json::Value>,
 }
 
 #[derive(Debug, Insertable)]