feedback1 integrate: follow-ups from the workstream notes (official rules)

- an operator's radius area damage skips unblocked 隐匿 and untargetable enemies (Battle.foesInRadius;
  PRTS 作战机制 AOE伤害判定), the 逐火 embers included
- PRTS 溅射半径一览: 投掷手 0.9, 链术师 1.7, 格雷伊 1.0; 迷迭香 S2 radius 1.5
- 阿罗玛's first-attack mark is shared between 阿罗玛 and leaves with its setter (PRTS 备注)
- 奥术法阵 on the field: 炎佑's damage silences its target (PRTS 盟约记录 备注)
- skills restart from their initial cooldown when a 重生 ends (PRTS 特殊机制)
- 高准度伦蒂尼姆城防自行炮: lock in range, 3x3 area, every 0.5 s up to 10 shots, 失衡/控制免疫 meanwhile
- 琳琅诗怀雅 S3 coins go to range 2-4 in front and the units she blocks
- 阿戈尔 devour is a 物理流失 reduced by the target's DEF

server/sim/Battle.js

@@ -1567,6 +1567,26 @@ export class Battle {
     return out;
   }
 
+  /**
+   * The enemies within `r` (as enemiesInRadius) an ally-side area effect can select — PRTS 作战机制 §AOE伤害判定 "AOE的判定是
+   * 对攻击范围内的每个可以被选中的敌人进行判定", 隐匿 "隐匿状态下的单位一般无法被敌方的索敌机制和Buff选择器选中为目标": no
+   * untargetable enemy and no 隐匿 one unless revealed or blocked (tile selectors — enemiesInKeys / canTargetEnemy — already
+   * skip them). Flying and asleep enemies stay the caller's choice. Enemy-side effects on other enemies (auras, heals) and
+   * physical collisions keep enemiesInRadius. Player report #8 after 0.1.0 (the 逐火 余烬): until 0.1.1 profession splash
+   * and skill circles still reached an unblocked 隐匿 enemy.
+   */
+  foesInRadius(x, y, r, centre = false) {
+    const out = this.enemiesInRadius(x, y, r, centre);
+    let n = 0;
+    for (const e of out) {
+      const f = e.s.flags;
+      if (f.untargetable || (f.stealth && !f.reveal && !e.blockedBy)) continue;
+      out[n++] = e;
+    }
+    out.length = n;
+    return out;
+  }
+
   alliesInRadius(x, y, r, ownerId = null, { includeDevices = false } = {}) {
     const out = [];
     const r2 = r * r + 1e-9;