refactor(entities): unifica loader d'animacio via AnimationComponent::fromYaml i elimina fps:

data/entities/hole/hole.yaml

@@ -22,6 +22,6 @@ flags:
   # lectura genèrica de flags.
   triggers_on_overlap: true
 animations:
-  idle: { frames: [0], fps: 1, loop: true }
+  idle: { frames: [0], frame_ms: 1000, loop: true }
 stats:
   damage: 0