feat: schedule history — list, detail, rollback endpoints

k-tv-backend/api/src/routes/channels/mod.rs

@@ -27,6 +27,15 @@ pub fn router() -> Router<AppState> {
             "/{id}/schedule",
             post(schedule::generate_schedule).get(schedule::get_active_schedule),
         )
+        .route("/{id}/schedule/history", get(schedule::list_schedule_history))
+        .route(
+            "/{id}/schedule/history/{gen_id}",
+            get(schedule::get_schedule_history_entry),
+        )
+        .route(
+            "/{id}/schedule/history/{gen_id}/rollback",
+            post(schedule::rollback_schedule),
+        )
         .route("/{id}/now", get(broadcast::get_current_broadcast))
         .route("/{id}/epg", get(broadcast::get_epg))
         .route("/{id}/stream", get(broadcast::get_stream))