未知（继上次中断）

frontend/src/store/study.ts

@@ -5,12 +5,18 @@ import type { Study } from "../types/api";
 
 const STUDY_KEY = "ctms_current_study";
 const STUDY_ROLE_KEY = "ctms_current_study_role";
+const SITE_KEY = "ctms_current_site";
 
 export const useStudyStore = defineStore("study", () => {
   const currentStudy = ref<Study | null>(null);
   const currentStudyRole = ref<string | null>(null);
+  const currentSite = ref<any | null>(null);
+  const viewContext = ref<{ siteName?: string } | null>(null);
 
   const setCurrentStudy = (study: Study) => {
+    currentStudy.value = study;
+    currentSite.value = null; // 切换项目时清空中心
+    localStorage.removeItem(SITE_KEY);
     currentStudy.value = study;
     const role = (study as any).role_in_study || (study as any).role || null;
     currentStudyRole.value = role;
@@ -31,6 +37,15 @@ export const useStudyStore = defineStore("study", () => {
     }
     const savedRole = localStorage.getItem(STUDY_ROLE_KEY);
     currentStudyRole.value = savedRole || null;
+
+    const savedSite = localStorage.getItem(SITE_KEY);
+    if (savedSite) {
+      try {
+        currentSite.value = JSON.parse(savedSite);
+      } catch {
+        currentSite.value = null;
+      }
+    }
   };
 
   const ensureDefaultStudy = async () => {
@@ -51,8 +66,11 @@ export const useStudyStore = defineStore("study", () => {
   const clearCurrentStudy = () => {
     currentStudy.value = null;
     currentStudyRole.value = null;
+    currentSite.value = null;
+    viewContext.value = null;
     localStorage.removeItem(STUDY_KEY);
     localStorage.removeItem(STUDY_ROLE_KEY);
+    localStorage.removeItem(SITE_KEY);
   };
 
   const setCurrentStudyRole = (role: string | null) => {
@@ -64,11 +82,28 @@ export const useStudyStore = defineStore("study", () => {
     }
   };
 
+  const setCurrentSite = (site: any | null) => {
+    currentSite.value = site;
+    if (site) {
+      localStorage.setItem(SITE_KEY, JSON.stringify(site));
+    } else {
+      localStorage.removeItem(SITE_KEY);
+    }
+  };
+
+  const setViewContext = (ctx: { siteName?: string } | null) => {
+    viewContext.value = ctx;
+  };
+
   return {
     currentStudy,
     currentStudyRole,
+    currentSite,
+    viewContext,
     setCurrentStudy,
     setCurrentStudyRole,
+    setCurrentSite,
+    setViewContext,
     loadCurrentStudy,
     ensureDefaultStudy,
     clearCurrentStudy,