feedback1 integrate: WM 野鬃 S2 pushes along her facing; 琳琅诗怀雅 S3 coins radial

# Conflicts:
#	docs/SIM.md

server/sim/Battle.js

@@ -1804,10 +1804,12 @@ export class Battle {
   /**
    * Push enemy `e` with 力度 `force` (PRTS 推与拉 §推力): the official distance of its 受力等级 (constants.js PUSH_TILES:
    * a 中力 push moves a weight-1 enemy 1.7 tiles, a weight-2 one 0.44, weight 3 0.12, weight ≥ 4 not at all). Radial
-   * (the default: away from `from`, the pusher's centre — "沿着干员向自身中心点的射线方向") or directional (`dir` = the
-   * pusher's direction {x, y}: 推击手, "朝部署方向" / "向前推开"); a directional push on a target more than 45° off `dir`
-   * or nearer than 0.25 tile becomes radial with 受力等级 −2 ("特殊修正"). `fixed` waives both corrections (PRTS 圣聆初雪 S1
-   * 备注 "不会因角度过大或距离过近而变化方向与力度"); `fixedAngle` only the angle one (PRTS 见行者 S2 备注 "不会因为角度过大
+   * (the default: away from `from`, the pusher's centre — "沿着干员向自身中心点的射线方向"; the client's buff template
+   * knockback[relative]: 琳琅诗怀雅 S3, 山 S3, 莫斯提马 S3) or directional (`dir` = the pusher's direction {x, y}; template
+   * knockback[dir], Knockback {_useSourceDirection: true, _decreaseForceLevelWhenNotInDirection: 2}: 推击手, 野鬃 S2
+   * "往攻击方向"); a directional push on a target more than 45° off `dir` or nearer than 0.25 tile becomes radial with
+   * 受力等级 −2 ("特殊修正"). `fixed` waives both corrections (圣聆初雪 S1 "朝部署方向": KnockBackWithCharacterDirection,
+   * PRTS 备注 "不会因角度过大或距离过近而变化方向与力度"); `fixedAngle` only the angle one (PRTS 见行者 S2 备注 "不会因为角度过大
    * 而改变推动的方向或削减力度" — the < 0.25 tile rule still applies). `inward` = a radial push towards `from` (薄绿 S2's "拖拽", PRTS 备注 "实际为
    * 反方向（指向薄绿方向）的推开"), never nearer than PULL_STOP_RADIUS to its centre [ASSUMED: "至面前"]. `effect` = a 特效
    * push (PRTS 推与拉: one frame less of travel than a 弹道 push — constants.js PUSH_TILES_EFFECT / PUSH_EFFECT_SKILLS).