feat: add custom world opening cg contract

server-rs/crates/api-server/src/app.rs

@@ -61,8 +61,8 @@ use crate::{
     },
     custom_world_ai::{
         generate_custom_world_cover_image, generate_custom_world_entity,
-        generate_custom_world_scene_image, generate_custom_world_scene_npc,
-        upload_custom_world_cover_image,
+        generate_custom_world_opening_cg, generate_custom_world_scene_image,
+        generate_custom_world_scene_npc, upload_custom_world_cover_image,
     },
     error_middleware::normalize_error_response,
     health::health_check,
@@ -991,6 +991,13 @@ pub fn build_router(state: AppState) -> Router {
                 require_bearer_auth,
             )),
         )
+        .route(
+            "/api/runtime/custom-world/opening-cg",
+            post(generate_custom_world_opening_cg).route_layer(middleware::from_fn_with_state(
+                state.clone(),
+                require_bearer_auth,
+            )),
+        )
         .route(
             "/api/profile/browse-history",
             get(get_runtime_browse_history)