refactor: split large modules and normalize rust layout

server-rs/crates/api-server/src/prompt/mod.rs

@@ -1,13 +0,0 @@
-pub(crate) mod big_fish;
-pub(crate) mod character_animation;
-pub(crate) mod character_visual;
-pub(crate) mod puzzle;
-pub(crate) mod rpg;
-pub(crate) mod scene_background;
-pub(crate) mod square_hole;
-pub(crate) mod visual_novel;
-
-pub(crate) use rpg::agent_chat;
-pub(crate) use rpg::foundation_draft;
-pub(crate) use rpg::role_asset_studio;
-pub(crate) use rpg::runtime_chat;