Add: global factor controlling fps base interval

crates/sprimo-config/src/lib.rs

@@ -159,6 +159,7 @@ pub enum FrontendBackend {
 pub struct FrontendConfig {
     pub backend: FrontendBackend,
     pub debug_overlay_visible: bool,
+    pub tauri_animation_slowdown_factor: u8,
 }
 
 impl Default for FrontendConfig {
@@ -166,6 +167,7 @@ impl Default for FrontendConfig {
         Self {
             backend: FrontendBackend::Bevy,
             debug_overlay_visible: false,
+            tauri_animation_slowdown_factor: 3,
         }
     }
 }
@@ -225,11 +227,13 @@ mod tests {
         config.window.x = 42.0;
         config.frontend.backend = super::FrontendBackend::Tauri;
         config.frontend.debug_overlay_visible = true;
+        config.frontend.tauri_animation_slowdown_factor = 7;
 
         save(&path, &config).expect("save");
         let (_, loaded) = load_or_create_at(&path).expect("reload");
         assert!((loaded.window.x - 42.0).abs() < f32::EPSILON);
         assert_eq!(loaded.frontend.backend, super::FrontendBackend::Tauri);
         assert!(loaded.frontend.debug_overlay_visible);
+        assert_eq!(loaded.frontend.tauri_animation_slowdown_factor, 7);
     }
 }