feedback2 WF: 钩索师 and 推击手 (歌蕾蒂娅, 崖心, 见行者) may stand on a 高台 — chess.json placement 'all' from the branch trait 可以放置于远程位; server, client highlights; bots keep them on the ground as blockers

test/match/board.test.js

@@ -1,7 +1,7 @@
 // Board placement legality (stage legend), deploy cap, move semantics, placeable summons (DESIGN §3, research 03 C2).
 import { test } from 'node:test';
 import assert from 'node:assert/strict';
-import { buildDeployMap, canPlace, legalTiles, tileKey } from '../../server/match/board.js';
+import { buildDeployMap, canPlace, legalTiles, tileKey, positionClass, basePositionClass } from '../../server/match/board.js';
 import { applyCard } from '../../server/match/choices.js';
 import { ERR } from '../../shared/constants.js';
 import { DATA, makeMatch, give, giveItem, checkInvariants, chessOfTier } from './harness.js';
@@ -55,6 +55,18 @@ test('glyph rules: melee only on LOW buildable ALL/MELEE; ranged also on HIGH/RA
   assert.ok(canPlace(buildDeployMap(null), 'melee', 10, 5));
 });
 
+test('positionClass: the position class, widened to \'all\' by chess.json placement (钩索师 / 推击手, DESIGN §22.6); basePositionClass ignores it', () => {
+  assert.equal(positionClass({ position: 'MELEE' }), 'melee');
+  assert.equal(positionClass({ position: 'MELEE', placement: 'all' }), 'all');
+  assert.equal(basePositionClass({ position: 'MELEE', placement: 'all' }), 'melee');
+  assert.equal(positionClass({ position: 'RANGED' }), 'ranged');
+  assert.equal(positionClass({ position: 'ALL' }), 'all');
+  assert.equal(positionClass(null), 'all');
+  const map = buildDeployMap(DATA.stages.act2autochess_m01);
+  assert.ok(canPlace(map, positionClass(DATA.chess.chess_char_4_12_a), 10, 4), '歌蕾蒂娅 on the 高台');
+  assert.ok(!canPlace(map, positionClass(DATA.chess.chess_char_1_02_a), 10, 4), '角峰 (重装) not');
+});
+
 test('g.move: legality per chess position, BAD_TILE outside, deploy cap 8, swaps allowed at cap', () => {
   const { h, m, ps } = prepMatch();
   const meleeId = chessOfTier(1, MELEE).find((id) => m.pool.has(id));