fix reference selector selection state

src/components/ReferenceSearchSelect.jsx

@@ -15,6 +15,22 @@ function normalizeText(value) {
   return String(value || '').trim();
 }
 
+function normalizeRecordId(value) {
+  if (value === null || value === undefined || value === '') {
+    return '';
+  }
+
+  if (typeof value === 'object') {
+    const candidate = value._id ?? value.id ?? value.$oid ?? value.name;
+    if (candidate === value) {
+      return '';
+    }
+    return normalizeRecordId(candidate);
+  }
+
+  return normalizeText(value);
+}
+
 function escapeMongoRegex(value) {
   return normalizeText(value).replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
 }
@@ -74,19 +90,11 @@ function resolveRecordId(record) {
   }
 
   // Reference 写入协议：只接受 _id / id
-  return record.id || record._id;
+  return normalizeRecordId(record.id ?? record._id);
 }
 
 function resolveReferenceValueId(value) {
-  if (!value) {
-    return '';
-  }
-
-  if (typeof value === 'object') {
-    return normalizeText(resolveRecordId(value));
-  }
-
-  return normalizeText(value);
+  return normalizeRecordId(value);
 }
 
 function resolveRecordSubjectName(record, fallbackSubject = '') {

src/components/XinyuanAutocomplete.jsx

@@ -20,10 +20,22 @@ function defaultFilter(textValue, inputValue) {
 
 function getSelectedKeySet(selectionMode, selectedKey, selectedKeys) {
   if (selectionMode === 'multiple') {
-    return new Set(selectedKeys || []);
+    if (selectedKeys === 'all') {
+      return new Set();
+    }
+
+    return new Set(
+      Array.from(selectedKeys || [])
+        .map(toSelectionKey)
+        .filter(Boolean),
+    );
   }
 
-  return new Set(selectedKey === null || selectedKey === undefined ? [] : [selectedKey]);
+  return new Set(
+    selectedKey === null || selectedKey === undefined
+      ? []
+      : [toSelectionKey(selectedKey)].filter(Boolean),
+  );
 }
 
 function toSelectionKey(value) {
@@ -79,42 +91,48 @@ export default function XinyuanAutocomplete({
     (selectedOptions.length > 0
       ? selectedOptions.map((option) => option.label).join('、')
       : placeholder);
+  const isMultiple = selectionMode === 'multiple';
+  const normalizedSelectedKeys = selectedKeySet;
   const rootSelectionProps =
-    selectionMode === 'multiple'
-      ? { selectedKeys }
-      : { selectedKey };
-  const listBoxSelectionProps =
-    selectionMode === 'multiple'
-      ? {
-          selectionMode,
-          selectedKeys,
-        }
-      : {};
-  const visibleOptions = isLoading || errorText ? [] : options;
-  const handleMultipleOptionPress = (option) => {
-    if (
-      selectionMode !== 'multiple' ||
-      !onSelectionChange ||
-      option?.isDisabled
-    ) {
+    isMultiple
+      ? { selectedKey: null }
+      : { selectedKey: normalizedSelectedKeys.values().next().value || null };
+  const handleMultipleOptionAction = (optionKey) => {
+    if (!onSelectionChange) {
       return;
     }
 
-    const optionKey = toSelectionKey(option.id);
-    if (!optionKey) {
+    const nextKeys = new Set(normalizedSelectedKeys);
+    const normalizedOptionKey = toSelectionKey(optionKey);
+    if (!normalizedOptionKey) {
       return;
     }
 
-    const nextKeys = new Set(
-      Array.from(selectedKeyStringSet).filter(Boolean),
-    );
-    if (nextKeys.has(optionKey)) {
-      nextKeys.delete(optionKey);
+    if (nextKeys.has(normalizedOptionKey)) {
+      nextKeys.delete(normalizedOptionKey);
     } else {
-      nextKeys.add(optionKey);
+      nextKeys.add(normalizedOptionKey);
     }
     onSelectionChange(nextKeys);
   };
+  const listBoxSelectionProps = isMultiple
+    ? {
+        // Autocomplete is single-selection under the hood. Use item actions
+        // for multi-select so the list cannot replace the controlled values.
+        selectionMode: 'single',
+        onAction: handleMultipleOptionAction,
+      }
+    : {
+        selectionMode: 'single',
+        selectedKeys: normalizedSelectedKeys,
+        onSelectionChange,
+      };
+  const visibleOptions = isLoading || errorText
+    ? []
+    : options.map((option) => ({
+        ...option,
+        isSelected: selectedKeyStringSet.has(toSelectionKey(option.id)),
+      }));
 
   return (
     <Autocomplete
@@ -128,7 +146,7 @@ export default function XinyuanAutocomplete({
       isRequired={isRequired}
       name={name}
       onClear={onClear}
-      selectionMode={selectionMode}
+      selectionMode={isMultiple ? 'single' : selectionMode}
       variant={variant}
       onOpenChange={onOpenChange}
       onSelectionChange={onSelectionChange}
@@ -187,18 +205,14 @@ export default function XinyuanAutocomplete({
             )}
           >
             {(option) => {
-              const isSelected = selectedKeyStringSet.has(
-                toSelectionKey(option.id),
-              );
+              const isSelected = Boolean(option.isSelected);
 
               return (
                 <ListBox.Item
                   id={option.id}
                   isDisabled={option.isDisabled}
+                  isSelected={isSelected}
                   textValue={option.textValue || option.label}
-                  {...(selectionMode === 'multiple'
-                    ? { onPress: () => handleMultipleOptionPress(option) }
-                    : {})}
                 >
                   {renderOption ? (
                     renderOption(option)

src/pages/project_manager_xy/project-management.business-flow.md

@@ -42,7 +42,9 @@
    Modal 可访问名称。标题、阶段 Tabs 和顶部业务操作固定在 Header，字段内容只在 Body 内纵向
    滚动，滚动内容不得穿过或遮挡阶段 Tabs。查看态的 `reference`、`document`、`view`、
    `template`、`task`、`tag`、`group`、`category` 字段显示关联记录表，并在字段具备编辑权限时
-   提供“编辑关联记录”入口；保存时只向 `metadata` 写入目标记录 `_id`（多值字段写入 `_id[]`）。
+   提供“编辑关联记录”入口；引用选择器的输入摘要、列表勾选和当前草稿始终由同一组归一化记录
+   `_id` 驱动，多值选择支持逐项追加、取消和清空；保存时只向 `metadata` 写入目标记录 `_id`
+   （多值字段写入 `_id[]`）。
    引用目标缺少 Subject、加载失败或保存失败时在字段附近保留可读错误反馈，不丢失当前编辑值。
 8. 列表页不展示前端写死的项目总数、完成率等摘要卡片，仅展示由服务端 Subject/View 配置驱动的视图、筛选和表格内容；项目统计统一在驾驶舱查看。
 9. 业务列表、动态表单数据表和关联记录表中的长文本最多展示两行，内容始终限制在所属列内；超出内容通过 HeroUI Tooltip 或项目详情查看，避免遮挡相邻列或由单条长文本过度拉高整行。弹窗内只读关联记录表按实际数据行高度收缩，不提供无业务价值的列宽拖拽。

src/utils/subjectView.js

@@ -260,12 +260,16 @@ export function isDateFieldType(fieldType) {
 }
 
 export function normalizeRecordId(value) {
-  if (!value) {
+  if (value === null || value === undefined || value === '') {
     return '';
   }
 
   if (typeof value === 'object') {
-    return value._id || value.id || value.name || '';
+    const candidate = value._id ?? value.id ?? value.$oid ?? value.name;
+    if (candidate === value) {
+      return '';
+    }
+    return normalizeRecordId(candidate);
   }
 
   return normalizeText(value);