feedback1 integrate: WG 奥术 shown 本局禁用 where the mode disables it; returned equipment auto-merges

# Conflicts:
#	public/js/ui/shopBar.js

docs/META.md

@@ -353,7 +353,9 @@ Other equipment: 2 slots; a third replaces the equipped item the player picks in
 equipped on the target ⇒ `BAD_TARGET`, nothing changes) — and the replaced item is destroyed. Equipped items are
 otherwise locked (research 04 §2 / addendum: they leave the operator only on promotion, merge or sale): `g.destroy`
 refuses them (`BAD_TARGET 'equipped items are locked'`). A second copy of an equipped normal item merges into the golden
-item in the hand.
+item in the hand. Every path that hands an item to the player (buy, reward, 机变, grants, equip, the equipment a sale,
+a promotion or `ctx.destroyPiece` returns) ends with the auto-merge (`acquireItem` / `checkItemMerges`: "已拥有2件同一初始
+装备时…自动合并"), so a player never holds two identical mergeable normal items (`test/match/feedback1b-items.test.js`).
 
 Built-ins (builtinMeta.js, overridable): 盟约之币 / 骑士储蓄罐 (random funds), 随身身份牌 (layers of the target's bonds),
 紧急调度券 (take shop chess), 精打细算玩偶 (+funds each round), 简易通讯机 / 拟态物质 (same-bond chess), 见钱眼开玩偶

docs/SIM.md

@@ -439,7 +439,15 @@ if it outlasts it, resumes when the strong one expires (pass `refresh` to opt ou
 catalogue status the same rule (one invisible buff `key` per target whatever applies it — no immunity, 抵抗, status hooks
 or icon): the engine default for two same-named buffs (PRTS 作战机制 "同名buff的默认叠加策略buff只能表现出一个"). 奥术 uses
 it, so the two players of a pair field compete for one instance instead of multiplying, and so do 灵知's 坚冰 and the
-莱恩哈特 / 缄默德克萨斯 RES cuts, once keyed per unit (DESIGN §20.10). "Strongest" = the largest |value|.
+莱恩哈特 / 缄默德克萨斯 RES cuts, once keyed per unit (DESIGN §20.10). "Strongest" = the largest |value|. PRTS 盟约记录's
+奥术 note "※同一单位仅可对同一目标同时施加1个该盟约法术伤害提升效果" limits each unit to one instance per target; read with
+the engine default — a newer same-named buff waits inert until the earlier ones end (PRTS 常见同名状态 "默认叠加方式") — and
+巴哈姆特 12316 ("共享型buff會跟對面搶"), one instance is effective at a time, which is what applyStrongest keeps; strongest
+rather than earliest is [ASSUMED]. Known deviation [ASSUMED]: an earlier revision of that note (oldid 386936) read
+"同一单位在对同一目标施加的“法术伤害提升”效果的持续期间内，无法对该目标施加新的该盟约的法术伤害提升效果" — no re-application
+while the unit's own instance lasts, so it would lapse 3 s after the first hit and return with the next arts hit —
+whereas an equal-value hit here refreshes the instance to a fresh 3 s; slightly stronger (at most one attack interval
+of coverage per 3 s), kept because the current wording no longer says so (feedback after 0.1.0).
 
 | key | effect | value |
 |---|---|---|