Added plugins store

frontend/src/store/plugins.jsx

@@ -0,0 +1,41 @@
+import { create } from 'zustand';
+import API from '../api';
+
+export const usePluginStore = create((set, get) => ({
+  plugins: [],
+  loading: false,
+  error: null,
+
+  fetchPlugins: async () => {
+    set({ loading: true, error: null });
+    try {
+      const response = await API.getPlugins();
+      set({ plugins: response || [], loading: false });
+    } catch (error) {
+      set({ error, loading: false });
+    }
+  },
+
+  updatePlugin: (key, updates) => {
+    set((state) => ({
+      plugins: state.plugins.map((p) =>
+        p.key === key ? { ...p, ...updates } : p
+      ),
+    }));
+  },
+
+  addPlugin: (plugin) => {
+    set((state) => ({ plugins: [...state.plugins, plugin] }));
+  },
+
+  removePlugin: (key) => {
+    set((state) => ({
+      plugins: state.plugins.filter((p) => p.key !== key),
+    }));
+  },
+
+  invalidatePlugins: () => {
+    set({ plugins: [] });
+    get().fetchPlugins();
+  },
+}));