feat(trigger): add 回合结束触发组支持

1. 新增fend触发组常量与默认英雄模板配置
2. 后端校验、渲染逻辑兼容新触发组
3. 更新文档说明fend触发组规范
4. 前端UI添加回合结束触发组编辑器
5. 兼容旧英雄数据补全fend空对象

put/web/src/App.vue

@@ -168,6 +168,7 @@
               <el-tab-pane label="atking 攻击后"><TriggerGroupEditor :model="current.atking" :skill-options="allSkills" :skill-map="skillMap" :buff-options="buffOptions" /></el-tab-pane>
               <el-tab-pane label="atked 受击后"><TriggerGroupEditor :model="current.atked" :skill-options="allSkills" :skill-map="skillMap" :buff-options="buffOptions" /></el-tab-pane>
               <el-tab-pane label="fstart 战斗开始"><TriggerGroupEditor :model="current.fstart" :skill-options="allSkills" :skill-map="skillMap" :buff-options="buffOptions" /></el-tab-pane>
+              <el-tab-pane label="fend 回合结束"><TriggerGroupEditor :model="current.fend" :skill-options="allSkills" :skill-map="skillMap" :buff-options="buffOptions" /></el-tab-pane>
               <el-tab-pane label="dead 死亡后"><TriggerGroupEditor :model="current.dead" :skill-options="allSkills" :skill-map="skillMap" :buff-options="buffOptions" /></el-tab-pane>
             </el-tabs>
           </div>
@@ -369,7 +370,7 @@ function heroStats(h) {
 // 触发明细行：atking: 6004 奋力一击 lv4 ap300 格式，仅输出已启用的组
 function triggerSummary(h) {
   const lines = []
-  for (const tk of ['atking', 'atked', 'fstart', 'dead']) {
+  for (const tk of ['atking', 'atked', 'fstart', 'fend', 'dead']) {
     const grp = h[tk]
     if (!grp) continue
     for (const [sid, entries] of Object.entries(grp)) {
@@ -384,7 +385,7 @@ function triggerSummary(h) {
   return lines
 }
 function hasTriggers(h) {
-  return ['atking', 'atked', 'fstart', 'dead'].some((k) => h[k] && Object.keys(h[k]).length)
+  return ['atking', 'atked', 'fstart', 'fend', 'dead'].some((k) => h[k] && Object.keys(h[k]).length)
 }
 // 光环明细行：lv4 · 大圣神威 0.25
 function fieldSummary(h) {
@@ -471,9 +472,11 @@ async function loadHeroes() {
   try {
     const r = await api.fetchHeroes()
     if (Array.isArray(r.heroes) && r.heroes.length) {
-      // 兼容旧数据：ap_bonus/hp_bonus/def_bonus 已废弃，统一迁移为空 bonus
+      // 兼容旧数据：ap_bonus/hp_bonus/def_bonus 已废弃，统一迁移为空 bonus；
+      // 旧英雄无 fend 触发组（后期新增），补空对象避免 TriggerGroupEditor 拿到 undefined
       for (const h of r.heroes) {
         if (!Array.isArray(h.bonus)) h.bonus = []
+        if (!h.fend) h.fend = {}
         delete h.ap_bonus; delete h.hp_bonus; delete h.def_bonus
       }
       heroes.value = r.heroes

put/web/src/constants.js

@@ -79,6 +79,7 @@ export const TRIGGER_GROUPS = [
   { key: 'atking', label: 'atking 攻击后' },
   { key: 'atked', label: 'atked 受击后' },
   { key: 'fstart', label: 'fstart 战斗开始' },
+  { key: 'fend', label: 'fend 回合结束' },
   { key: 'dead', label: 'dead 死亡后' },
 ]
 
@@ -101,6 +102,7 @@ export function defaultHero() {
     atking: {},        // {uuid:[{lv,s_lv,name,t_num,overrides,desc}]}
     atked: {},
     fstart: {},
+    fend: {},
     dead: {},
     field: [],         // [{lv,uuids:[{uuid,value,name}],desc}]
     // revive 已纳入 dead 触发组，通过 overrides.revive_hp / revive_count 配置