multi board

kiln-tui/src/main.rs

@@ -49,22 +49,14 @@ fn main() -> ExitCode {
     };
 
     // Load before touching the terminal so load errors print to a normal screen.
-    let board = match world::load(&path) {
-        Ok(mut w) => match w.boards.remove(&w.start) {
-            Some(b) => b,
-            None => {
-                eprintln!("error: start board '{}' not found", w.start);
-                return ExitCode::FAILURE;
-            }
-        },
+    let mut game = match world::load(&path) {
+        Ok(world) => GameState::from_world(world),
         Err(e) => {
             eprintln!("error loading {path}: {e}");
             return ExitCode::FAILURE;
         }
     };
 
-    let mut game = GameState::new(board);
-
     // `init` enters the alternate screen and raw mode; `restore` always undoes it.
     let mut terminal = ratatui::init();