feat(override-editor): add shield duration override support

1. add shield_duration translation and override config entry
2. add warning tip for shield duration setting with usage notes
3. control tip visibility based on whether shield_duration is configured

put/web/src/components/OverrideEditor.vue

@@ -97,6 +97,17 @@
       :title="debuffHint.title"
       :description="debuffHint.desc"
     />
+    <!-- 选中护盾时长后的取值语义提示：仅护盾技能生效，0=永久易踩坑 -->
+    <el-alert
+      v-if="shieldDurationHint"
+      type="warning"
+      :closable="false"
+      show-icon
+      class="hint-alert"
+      style="margin-bottom: 6px"
+      title="shield_duration 仅护盾技能（kind=Shield，如 6301）生效"
+      description="取值为秒数：>0 持续对应秒数（底座 6301 默认 7 秒）；0 表示永久护盾（不是立即消失）；不配置则沿用底座值。护盾数值由 ap 覆写控制（施法者最大生命 ap%）。"
+    />
     <!-- 选中 buff（增益）后的取值语义提示：缺省挂施法者自身；tick 类正=回血/负=自伤，modifier 类正=增强 -->
     <el-alert
       v-if="buffHint"
@@ -151,6 +162,9 @@ const showEnemyBuffWarn = computed(() => isEnemyHost.value && rows.value.some((r
 // 是否配置了 proc_skill（施法后概率触发主动技能）：控制触发语义提示显隐
 const hasProcSkill = computed(() => rows.value.some((r) => r.key === 'proc_skill'))
 
+// 是否配置了 shield_duration：控制护盾时长取值语义提示显隐（0=永久易踩坑）
+const shieldDurationHint = computed(() => rows.value.some((r) => r.key === 'shield_duration'))
+
 // 易伤 buff id（与游戏侧 BuffSet.VULNERABLE_BUFF_ID 对应），取值语义特殊需单独提示
 const VULNERABLE_ID = 7002