fix: 准备阶段显示外勤医疗预备干员 (#315)

server/match/player/views.js

@@ -88,6 +88,8 @@ export class PlayerViews {
       hand: this.hand.map((p) => (p ? this.pieceView(p) : null)),
       temp: this.temp.map((p) => (p ? this.pieceView(p) : null)),
       board,
+      // The stage's 外勤医疗 reserve medic is present during prep, but is not a draggable board piece.
+      prepMapChars: this.m.prepMapChars(this),
       deployCap: this.deployCap,
       deployCount: this.deployCount,
       // + the mode-off bonds it has members of (`off: true`, the strip's grey 本局禁用 discs — bondsMeta.offBondCounts)