Debug demo map: four allied masters with every room and creature against an endless hero gate

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/achievements.rs

@@ -153,7 +153,7 @@ impl Tracker {
 
     // called every frame; returns achievements unlocked just now
     pub fn update(&mut self, g: &Game, ctx: &Context, dt: f32, now: u64) -> Vec<String> {
-        if g.demo.is_some() || ctx.editor_test {
+        if g.demo.is_some() || g.demo_map.is_some() || ctx.editor_test {
             self.last_time = 0.0;
             return Vec::new();
         }