feedback5: merge W5I — real i18n phase 1: shared/i18n.js (Chinese msgids, params, data names), English game texts from the official EN client data (data/i18n/en.json), the 中文 / English switch on the title screen and in 设置, title / lobby / room / settings converted, server toasts and ticker lines with msgid + params, tools/i18n.mjs, docs/I18N.md (PR #70's translations by @YuriRestia reused, credited)

Conflict: server/match/player/basics.js imports (W5G's checkNotOwned + W5I's msg / dn). data/i18n/en.json rebuilt on the merged data (tools/build-i18n.mjs --offline): the 自选 data adds texts of CN-only operators and modules the EN client lacks, so coverage is 97.6 % (skills 95.9, talents 95.1); the coverage floors in test/i18n-data.test.js and docs/I18N.md say so. Golden unchanged; i18n / lobby / match / ui suites 1144/1144 after the rebuild, i18n e2e 1/1.

server/match/player/placement.js

@@ -5,6 +5,7 @@
 // the player state).
 
 import { ERR } from '../../../shared/constants.js';
+import { msg, dn } from '../../../shared/i18n.js';
 import { tileKey, parseKey, inField, canPlace, placeClass, freeSlot, pieceDir, parseDir, ownerRangeKeys } from '../board.js';
 import { attackRangeGrid, loadoutRecord, resolveRecordLoadout } from '../../../shared/loadoutRecord.js';
 import { OK, fail } from './common.js';
@@ -92,8 +93,8 @@ export class PlayerPlacement {
       this.board.delete(k);
       (this._returnToken(p, null, { allowTemp: true }) ? back : gone).push(this.gd.token(p.id)?.name || p.id);
     }
-    if (back.length) this.m.toast(this, 'warn', `${back.join('、')}只能部署在召唤者攻击范围内，已退回整备区`);
-    if (gone.length) this.m.toast(this, 'warn', `${gone.join('、')}只能部署在召唤者攻击范围内，整备区已满，下回合返还`);
+    if (back.length) this.m.toast(this, 'warn', msg('{names}只能部署在召唤者攻击范围内，已退回整备区', { names: back.map(dn) }));
+    if (gone.length) this.m.toast(this, 'warn', msg('{names}只能部署在召唤者攻击范围内，整备区已满，下回合返还', { names: gone.map(dn) }));
     return back.length + gone.length;
   }