feat: 病历模块优化、AI辅助问诊

apps/web-antd/src/utils/dictSearchRank.ts

@@ -92,6 +92,8 @@ export function splitHighlight(
 }
 
 let cachedRankMode: DictSearchRankMode | null = null;
+/** 多气泡实例共享同一请求，避免进页 N 次 get-by-keys */
+let rankModeFetchPromise: Promise<DictSearchRankMode> | null = null;
 
 /** 写入缓存（从系统配置或接口响应读取后调用） */
 export function setDictSearchRankMode(mode: string | undefined | null) {
@@ -102,6 +104,32 @@ export function getDictSearchRankMode(): DictSearchRankMode {
   return cachedRankMode || 'backend';
 }
 
+export function isDictSearchRankModeLoaded(): boolean {
+  return cachedRankMode != null;
+}
+
+/**
+ * 确保已加载匹配度模式：已缓存则跳过；并发调用共享同一 Promise
+ * @param loader 真正打网取配置的函数，返回 frontend|backend
+ */
+export async function ensureDictSearchRankMode(
+  loader: () => Promise<string | undefined | null>,
+): Promise<DictSearchRankMode> {
+  if (cachedRankMode != null) return cachedRankMode;
+  if (!rankModeFetchPromise) {
+    rankModeFetchPromise = (async () => {
+      try {
+        const mode = await loader();
+        setDictSearchRankMode(mode);
+      } catch {
+        setDictSearchRankMode('backend');
+      }
+      return cachedRankMode || 'backend';
+    })();
+  }
+  return rankModeFetchPromise;
+}
+
 /**
  * 按当前模式决定是否前端重排；有关键字时保证按匹配度降序，并尽量带上可展示的 match_score
  */