feat(frontend): Day 7 - frontend complete layout finished

frontend/src/stores/useProjectStore.ts

@@ -0,0 +1,69 @@
+import { create } from 'zustand';
+
+export interface Project {
+  id: string;
+  name: string;
+  background: string;
+  researchType: 'observational' | 'interventional';
+  createdAt: string;
+  updatedAt: string;
+}
+
+interface ProjectState {
+  // 当前选中的项目
+  currentProject: Project | null;
+  
+  // 所有项目列表
+  projects: Project[];
+  
+  // 是否显示创建项目对话框
+  showCreateDialog: boolean;
+  
+  // 是否显示编辑项目对话框
+  showEditDialog: boolean;
+  
+  // Actions
+  setCurrentProject: (project: Project | null) => void;
+  setProjects: (projects: Project[]) => void;
+  addProject: (project: Project) => void;
+  updateProject: (id: string, updates: Partial<Project>) => void;
+  deleteProject: (id: string) => void;
+  setShowCreateDialog: (show: boolean) => void;
+  setShowEditDialog: (show: boolean) => void;
+}
+
+export const useProjectStore = create<ProjectState>((set) => ({
+  currentProject: null,
+  projects: [],
+  showCreateDialog: false,
+  showEditDialog: false,
+  
+  setCurrentProject: (project) => set({ currentProject: project }),
+  
+  setProjects: (projects) => set({ projects }),
+  
+  addProject: (project) => set((state) => ({
+    projects: [...state.projects, project],
+  })),
+  
+  updateProject: (id, updates) => set((state) => ({
+    projects: state.projects.map((p) =>
+      p.id === id ? { ...p, ...updates } : p
+    ),
+    currentProject:
+      state.currentProject?.id === id
+        ? { ...state.currentProject, ...updates }
+        : state.currentProject,
+  })),
+  
+  deleteProject: (id) => set((state) => ({
+    projects: state.projects.filter((p) => p.id !== id),
+    currentProject:
+      state.currentProject?.id === id ? null : state.currentProject,
+  })),
+  
+  setShowCreateDialog: (show) => set({ showCreateDialog: show }),
+  
+  setShowEditDialog: (show) => set({ showEditDialog: show }),
+}));
+