[Manager] Persist/Restore Manager UI state (#4180)

src/composables/manager/useManagerStatePersistence.ts

@@ -0,0 +1,54 @@
+import {
+  ManagerState,
+  ManagerTab,
+  SortableAlgoliaField
+} from '@/types/comfyManagerTypes'
+
+const STORAGE_KEY = 'Comfy.Manager.UI.State'
+
+export const useManagerStatePersistence = () => {
+  /**
+   * Load the UI state from localStorage.
+   */
+  const loadStoredState = (): ManagerState => {
+    try {
+      const stored = localStorage.getItem(STORAGE_KEY)
+      if (stored) {
+        return JSON.parse(stored)
+      }
+    } catch (e) {
+      console.error('Failed to load manager UI state:', e)
+    }
+    return {
+      selectedTabId: ManagerTab.All,
+      searchQuery: '',
+      searchMode: 'packs',
+      sortField: SortableAlgoliaField.Downloads
+    }
+  }
+
+  /**
+   * Persist the UI state to localStorage.
+   */
+  const persistState = (state: ManagerState) => {
+    localStorage.setItem(STORAGE_KEY, JSON.stringify(state))
+  }
+
+  /**
+   * Reset the UI state to the default values.
+   */
+  const reset = () => {
+    persistState({
+      selectedTabId: ManagerTab.All,
+      searchQuery: '',
+      searchMode: 'packs',
+      sortField: SortableAlgoliaField.Downloads
+    })
+  }
+
+  return {
+    loadStoredState,
+    persistState,
+    reset
+  }
+}