!74 fix(bpm): 修复选人组件 Name 翻译使用错误字段及查询顺序问题

* fix(bpm): 修复选人组件 Name 翻译使用错误字段及查询顺序问题
* feat(bpm): 默认审批意见改为完全由后端节点配置驱动，移除所有写死模板
* fix(bpm): 修复节点默认审批意见配置 UI 绑定错误，支持 extraVars 变量解析
* feat(bpm): 新增条件变量默认审批意见，支持按流程变量值动态预填审批意见

src/views/super/bpm/process/personalOffice/myHandleTask/content/MyHandleContent.vue

@@ -114,7 +114,7 @@
 </template>
 
 <script>
-  import { ref, reactive, computed, toRaw, unref, watch, watchEffect } from 'vue';
+  import { ref, reactive, computed, toRaw, unref, watch, watchEffect, inject } from 'vue';
   import { initDictOptions } from '/@/utils/dict';
   import { useMessage } from '/@/hooks/web/useMessage';
   import { taskComplaint, taskComplete, beforeAddSignTask, afterAddSignTask, addMultiInstance} from "../task.handle.api";
@@ -216,6 +216,19 @@
        */
       const selectUserType = ref('');
       const remarksDictOptions = ref([]);
+      const extraVars = inject('extraVars', ref({}));
+      const flowVars = inject('flowVars', ref({}));
+
+      function resolvePlaceholders(text) {
+        if (!text) return '';
+        const extra = extraVars.value || {};
+        const flow = flowVars.value || {};
+        return text.replace(/\$\{(\w+)\}/g, (_, key) => {
+          if (key in extra) return String(extra[key] ?? '');
+          return String(flow[key] ?? '');
+        });
+      }
+
       const historyCount = computed(() => {
         return props.historyList.length;
       });
@@ -264,9 +277,17 @@
         return false;
       }
 
+      const formDefaultReason = inject('formDefaultReason', ref(''));
+
+      // 表单写死 > 节点配置（props.defaultReason 来自 TaskHandleInnerContent 的节点优先级链）
+      const resolvedDefaultReason = computed(() => {
+        const opinion = formDefaultReason.value || props.defaultReason;
+        return resolvePlaceholders(opinion);
+      });
+
       // 默认处理意见只在空值或仍为上一条自动意见时刷新，避免覆盖用户手动输入。
       watch(
-        () => props.defaultReason,
+        resolvedDefaultReason,
         (value) => {
           if (isRejectProcessModel(model.processModel)) {
             return;
@@ -279,7 +300,7 @@
         () => model.processModel,
         (value) => {
           const isReject = isRejectProcessModel(value);
-          applyAutoReason(isReject ? REJECT_DEFAULT_REASON : props.defaultReason, [
+          applyAutoReason(isReject ? REJECT_DEFAULT_REASON : resolvedDefaultReason.value, [
             isReject ? props.defaultReason : REJECT_DEFAULT_REASON,
           ]);
         }