fix(武器平衡): 调整草方块菌落的攻击力和冷却时间

将草方块菌落的攻击加成从3倍降低到1倍，基础伤害从200降低到100，冷却时间从2000ms缩短到1000ms。同时将公鸡角色的武器配置从氧气发生器替换为紫水晶。

components/Characters/Rooster.tscn

@@ -3,7 +3,7 @@
 [ext_resource type="PackedScene" uid="uid://cvogxi7mktumf" path="res://components/Abstracts/EntityBase.tscn" id="1_e5pl8"]
 [ext_resource type="Script" uid="uid://cthtupc6dtbav" path="res://scripts/Contents/Characters/Rooster.gd" id="2_oqdqd"]
 [ext_resource type="PackedScene" uid="uid://dldnbpubu2jgm" path="res://components/Weapons/GrassWall.tscn" id="3_0omr3"]
-[ext_resource type="PackedScene" uid="uid://b5ebx8duvgtt5" path="res://components/Weapons/Oxygener.tscn" id="3_da2ca"]
+[ext_resource type="PackedScene" uid="uid://c0n3igy4hucrg" path="res://components/Weapons/PurpleCrystal.tscn" id="3_joj4g"]
 [ext_resource type="AudioStream" uid="uid://cdrevrq7n6yqa" path="res://resources/sounds/effect/Boing.mp3" id="4_66s6c"]
 [ext_resource type="AudioStream" uid="uid://benyec5bqni0b" path="res://resources/sounds/effect/Chomp.wav" id="4_k0yme"]
 [ext_resource type="AudioStream" uid="uid://dmxh3bpk8vyy5" path="res://resources/sounds/effect/Coin.mp3" id="5_xnbhq"]
@@ -59,11 +59,10 @@ metadata/_edit_vertical_guides_ = [71.0]
 [node name="weaponStore" parent="." index="1"]
 process_mode = 4
 
-[node name="GrassWall" parent="weaponStore" index="0" instance=ExtResource("3_0omr3")]
-offset_bottom = 374.0
+[node name="PurpleCrystal" parent="weaponStore" index="0" instance=ExtResource("3_joj4g")]
+offset_bottom = 350.0
 
-[node name="Oxygener" parent="weaponStore" index="1" instance=ExtResource("3_da2ca")]
-debugRebuild = false
+[node name="GrassWall" parent="weaponStore" index="1" instance=ExtResource("3_0omr3")]
 
 [node name="sprint" parent="sounds" index="0"]
 stream = ExtResource("4_66s6c")