fix(game-ui): restore detailed map images

app/game-frontend/src/components/main/CommandArgumentForm.vue

@@ -258,7 +258,7 @@ watch(
                 :map-layout="props.mapLayout ?? null"
                 :loading="false"
                 :selected-city-id="mapSelectedCityId"
-                :detail-mode="false"
+                :detail-mode="true"
                 :fit-container="true"
                 @select-city="selectMapCity"
             />

app/game-frontend/src/components/main/MapCityDetail.vue

@@ -158,7 +158,14 @@ const cityStateStyle = computed(() => ({
         class="city-base"
         :type="props.selectOnly ? 'button' : undefined"
         :to="props.selectOnly ? undefined : { name: 'current-city', query: { cityId: props.city.id } }"
-        :class="[{ mine: props.city.isMyCity, selected: props.city.selected, 'supply-off': !props.city.supply }]"
+        :class="[
+            {
+                mine: props.city.isMyCity,
+                selected: props.city.selected,
+                'supply-off': !props.city.supply,
+                'select-only': props.selectOnly,
+            },
+        ]"
         :style="cityBaseStyle"
         @mouseenter="emit('hover', props.city.id)"
         @mouseleave="emit('leave')"
@@ -195,6 +202,10 @@ const cityStateStyle = computed(() => ({
     background: transparent;
 }
 
+.city-base.select-only {
+    cursor: pointer;
+}
+
 .city-bg {
     position: absolute;
     background-position: center;

app/game-frontend/src/components/main/MapViewer.vue

@@ -63,14 +63,20 @@ interface CityView {
     selected: boolean;
 }
 
-const props = defineProps<{
-    mapData: MapSummary | null;
-    mapLayout: MapLayout | null;
-    loading: boolean;
-    selectedCityId?: number | null;
-    detailMode?: boolean;
-    fitContainer?: boolean;
-}>();
+const props = withDefaults(
+    defineProps<{
+        mapData: MapSummary | null;
+        mapLayout: MapLayout | null;
+        loading: boolean;
+        selectedCityId?: number | null;
+        detailMode?: boolean;
+        fitContainer?: boolean;
+    }>(),
+    {
+        // Vue casts an absent Boolean prop to false unless undefined is an explicit default.
+        detailMode: undefined,
+    }
+);
 
 const emit = defineEmits<{
     (event: 'select-city', cityId: number): void;