[agent:claude-cli] feat(mobs): shark pursuit 15u + dégâts -20HP + knockback, fish school fuite boost, drops requin(dent)/méduse(gelée), recettes Amulette T2 + Lampe Portable

scripts/dolphin/DolphinController.gd

@@ -317,6 +317,10 @@ func take_damage(amount: float) -> void:
 		player_died.emit()
 
 
+func apply_knockback(impulse: Vector3) -> void:
+	velocity += impulse
+
+
 func heal(amount: float) -> void:
 	health = min(max_health, health + amount)
 	_emit_stats()