feat: set default battle starting energy to 50% for all avatars

internal/common/proto_convert.go

@@ -297,7 +297,7 @@ func ToLineupInfo(lineups map[uint32]uint32) *goproto.LineupInfo {
 			Hp:         10000,
 			Satiety:    100,
 			AvatarType: goproto.AvatarType_AVATAR_FORMAL_TYPE,
-			SpBar:      &goproto.SpBarInfo{CurSp: 10000, MaxSp: 10000},
+			SpBar:      &goproto.SpBarInfo{CurSp: 5000, MaxSp: 10000},
 			Slot:       uint32(len(lineup.AvatarList)),
 		})
 	}