fix: 准备阶段可查看外勤医疗详情与范围 (#315)

public/js/screens/game.js

@@ -998,7 +998,7 @@ function MatchScreen() {
         // an enemy of the preview pen (research 09 §2.2 "Intel": tap it for its detail card)
         const penKey = previewEnemyKey(e);
         if (penKey) { setDetail({ kind: 'enemy', id: penKey }); return; }
-        if (e.unitId != null || e.unit) { setDetail({ kind: 'unit', unit: e.unit || null, unitId: e.unitId, uid: e.uid }); return; }
+        if (e.unitId != null || e.unit) { setDetail({ kind: 'unit', unit: e.unit || null, unitId: e.unitId, uid: e.uid, prepMapChar: e.prepMapChar === true }); return; }
         if (!Number.isInteger(e.uid)) return;
         setDetail({ kind: 'piece', uid: e.uid });
         // a tap selects an own piece (underframe + range); right-click / long-press only opens its detail card. A tap on
@@ -1398,7 +1398,7 @@ function MatchScreen() {
     return priv?.loadout ?? null; // own pieces, shop / reward / bond-member cards
   })();
   // the open detail card's unit draws its attack range on the field (screens/game/range.js inspectRange, GitHub PR #281):
-  // an own board piece in prep (its loadout / stand-in record, its facing); in battle or on a scouted board an ally
+  // an own board piece or read-only prepared map character in prep; in battle or on a scouted board an ally
   // operator / summon on the field — the range it fights with now (the live stats' `range` and `dir`, the snapshot's
   // tile) — never an enemy, a dead unit or a bench unit (UnitInfo `area` hand / temp); drag, the wheel and the pen
   // draw their own

public/js/screens/game/range.js

@@ -13,15 +13,18 @@ export function inspectRange({ target, detail, pieces, showPrep = false, field,
     const e = pieces?.get(target.uid);
     if (!e || e.area !== 'board') return null;
     row = e.row; col = e.col; dir = normDir(e.piece.dir);
-  } else if (target?.kind === 'unit' && !showPrep) {
+  } else if (target?.kind === 'unit' && (!showPrep || target.prepMapChar === true)) {
     const unit = target.unit;
     if (!unit || unit.side !== 'ally' || (unit.kind !== 'op' && unit.kind !== 'token')) return null;
     if (unit.area != null && unit.area !== 'board') return null;
+    // A prepared map character is a read-only view, not a simulated unit yet. Its board-space coordinates come from
+    // m.private.prepMapChars and must not be read from a previous battle's snapshot or transformed twice on boss R.
+    if (showPrep && (unit.kind !== 'token' || detail.type !== 'token' || detail.token?.kind !== 'mapChar')) return null;
     // Snapshots exclude undeployed, hidden and removed units. Dead units remain briefly for their death animation.
-    if (!field?.prep && (!snapshot || snapshot[3] <= 0)) return null;
-    row = Math.round(snapshot ? snapshot[2] : unit.y);
-    col = Math.round(snapshot ? snapshot[1] : unit.x);
-    dir = normDir(live?.dir, null) || normDir(unit.dir, null) || (unit.facing === -1 ? 'LEFT' : 'RIGHT');
+    if (!showPrep && !field?.prep && (!snapshot || snapshot[3] <= 0)) return null;
+    row = Math.round(!showPrep && snapshot ? snapshot[2] : unit.y);
+    col = Math.round(!showPrep && snapshot ? snapshot[1] : unit.x);
+    dir = (!showPrep && normDir(live?.dir, null)) || normDir(unit.dir, null) || (unit.facing === -1 ? 'LEFT' : 'RIGHT');
   } else return null;
   if (!Number.isFinite(row) || !Number.isFinite(col)) return null;
   const record = detail.type === 'token' ? { ...detail.token, ...tokenVariantFor(detail.token, detail.ownerId) }