feedback3 WJ: 高台 only for elite 歌蕾蒂娅 with HOK-Y

The trait line is on every hookmaster and is not trusted. Placement is the loadout at place time: golden 歌蕾蒂娅 carrying uniequip_003_glady may use a ranged tile; everyone else stays on the ground.

shared/highGround.js

@@ -0,0 +1,21 @@
+// shared/highGround.js — which MELEE chess may stand on a 高台 (a ranged deploy tile).
+//
+// Owner's decision 2026-10-04, reversing DESIGN §22.6. The branch trait 「可以放置于远程位」 is written on
+// every 钩索师 / 推击手 variant (歌蕾蒂娅, 崖心, 见行者, normal and elite) and is not trusted. Only elite
+// 歌蕾蒂娅 carrying module HOK-Y 淡金坠饰 may use a ranged tile. 崖心 (HOK-X only), 见行者, a normal
+// record, any other module, and no module are ground-only. The golden record is the elite (`isGolden`);
+// the same module test applies to it. A missing module id is ground-only.
+
+/** char_474_glady — 歌蕾蒂娅. */
+export const GLADIIA_CHAR_ID = 'char_474_glady';
+/** HOK-Y 淡金坠饰 (data/chess.json chess_char_4_12_b.modules, typeName HOK-Y). */
+export const GLADIIA_HOK_Y = 'uniequip_003_glady';
+
+/**
+ * @param {object|null} rec a chess record (normal or golden)
+ * @param {string|null|undefined} moduleId the equipped module (`resolveLoadout().moduleId`)
+ * @returns {boolean}
+ */
+export function meleeOnHighGround(rec, moduleId) {
+  return !!(rec && rec.isGolden === true && rec.charId === GLADIIA_CHAR_ID && moduleId === GLADIIA_HOK_Y);
+}