feedback5 WG: 补位 on the server — room.ownership { notOwned } (lenient check, stored per session / seat, a match takes the list its seat had at the start), PlayerState.standIns: the player's not-owned NORMAL chess fight as their stand-ins (battleInput standIn: true in every field, the stand-in's position / range, no summons), m.private.standIns, stand-in art in prep scouting

server/match/player/pieces.js

@@ -181,6 +181,8 @@ export class PlayerPieces {
   grantTokensFor(owner) {
     const rec = owner && owner.kind === 'chess' ? this.gd.chess(owner.id) : null;
     if (!rec) return;
+    // 0.2.0 补位: a chess fielded as its stand-in makes the stand-in's summons — none of the 17 has one (DATA.md §18)
+    if (this.fieldsStandIn(rec)) return;
     for (const { tokenId, count } of this.gd.placeableTokens(owner.id, this.loadoutFor(rec))) {
       const missing = count - this._tokenCountOf(owner.uid, tokenId);
       if (missing <= 0) continue;