V1.7.2: the combatant on turn cannot be their own target

- In a battle under way, whoever is on turn has no Target button on their
  card, and the server refuses a target list that includes them.
- All packages at version 1.7.2.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

frontend/package.json

@@ -1,7 +1,7 @@
 {
   "name": "frontend",
   "private": true,
-  "version": "1.7.1",
+  "version": "1.7.2",
   "type": "module",
   "scripts": {
     "dev": "vite",

frontend/src/pages/EncounterPage.tsx

@@ -124,7 +124,7 @@ function CombatantCard({
   // What an area attack adds to this target's AC; 0 when they are the only one.
   acPenalty: number;
   // Marks this combatant as a target, or unmarks them. Absent for someone who
-  // may not pick targets right now.
+  // may not pick targets right now, and on the card of whoever is on turn.
   onTarget?: () => void;
   onRemove: () => void;
   onError: (err: unknown) => void;
@@ -490,8 +490,7 @@ function AttackBar({
   const hit = targets.filter((t) => tracksHp(t) && !missed.includes(t.id));
   const value = Number(amount) || 0;
   const portions = shares(value, hit.length, isArea ? mode : 'EACH');
-  const selfOnly = targets.length === 1 && targets[0].id === attacker?.id;
-  const attacks = attacker && !selfOnly ? attackLines(attacker) : [];
+  const attacks = attacker ? attackLines(attacker) : [];
 
   function apply(sign: 1 | -1) {
     if (!value || hit.length === 0) return;
@@ -504,7 +503,7 @@ function AttackBar({
     <div className="card attack-bar">
       <div className="flex-between flex-wrap">
         <div className="attack-bar-title">
-          {attacker && !selfOnly && <>{attacker.displayName} → </>}🎯 {isArea ? `${targets.length} targets` : targets[0].displayName}
+          {attacker && <>{attacker.displayName} → </>}🎯 {isArea ? `${targets.length} targets` : targets[0].displayName}
         </div>
         <button className="btn btn-ghost" onClick={onClear}>
           ✕ Clear {isArea ? 'targets' : 'target'}
@@ -894,10 +893,11 @@ export function EncounterPage() {
       isActive={p.id === active?.id}
       onPatch={(data) => patchParticipant.mutate({ participantId: p.id, ...data }, fail)}
       canRollInitiative={isDM || (p.character != null && p.character.userId === user?.id)}
-      targetedBy={targetIds.includes(p.id) ? (active && active.id !== p.id ? active.displayName : '') : undefined}
+      targetedBy={targetIds.includes(p.id) ? (active?.displayName ?? '') : undefined}
       acPenalty={areaPenalty(targets.length, acStep)}
       onTarget={
-        canTarget
+        // Nobody targets themselves: the combatant on turn has no button.
+        canTarget && p.id !== active?.id
           ? () => setTargets.mutate(targetIds.includes(p.id) ? targetIds.filter((id) => id !== p.id) : [...targetIds, p.id], fail)
           : undefined
       }