tune(player+dust): ajustos finals de timings i física

data/entities/dust/dust.yaml

@@ -18,5 +18,5 @@ flags:
 #   land: frames 7..12 (6 frames) → reproduït a l'aterratge.
 # fps: 10 = 100 ms per frame.
 animations:
-  jump: { frames: [0, 1, 2, 3, 4, 5, 6], fps: 10, loop: false }
+  jump: { frames: [0, 1, 2, 3, 4, 5, 6], fps: 15, loop: false }
-  land: { frames: [7, 8, 9, 10, 11, 12], fps: 10, loop: false }
+  land: { frames: [7, 8, 9, 10, 11, 12], fps: 15, loop: false }

data/player/morcus.yaml

@@ -111,7 +111,7 @@ turn:
 jump:
   impulse: 200
   gravity: 600
-  landing_stun_ms: 200
+  landing_stun_ms: 400
   shadow_y_offset: 3
   sound: jump.wav
   land_sound: land.wav

data/player/sam.yaml

@@ -111,7 +111,7 @@ turn:
 jump:
   impulse: 200
   gravity: 600
-  landing_stun_ms: 300
+  landing_stun_ms: 400
   shadow_y_offset: 3
   sound: jump.wav
   land_sound: land.wav