Initial commit: AI chat assistant with workflow chat, workspace, and profile tabs

Co-Authored-By: Claude <noreply@anthropic.com>

composables/useStorage.uts

@@ -0,0 +1,53 @@
+/**
+ * useStorage — Typed persistence wrapper around uni.getStorageSync/setStorageSync
+ */
+
+export function useStorage() {
+
+  /**
+   * Load a value from storage with a fallback default.
+   * Returns fallback if key doesn't exist or JSON parsing fails.
+   */
+  function loadValue<T>(key: string, fallback: T): T {
+    try {
+      const raw = uni.getStorageSync(key)
+      if (raw === '' || raw === undefined || raw === null) {
+        return fallback
+      }
+      const parsed = JSON.parse(raw) as T
+      return parsed !== null ? parsed : fallback
+    } catch (_e) {
+      console.warn(`[useStorage] Failed to load key "${key}", using fallback`)
+      return fallback
+    }
+  }
+
+  /**
+   * Save a value to storage as JSON.
+   */
+  function saveValue<T>(key: string, value: T): void {
+    try {
+      const raw = JSON.stringify(value)
+      uni.setStorageSync(key, raw)
+    } catch (e) {
+      console.error(`[useStorage] Failed to save key "${key}":`, e)
+    }
+  }
+
+  /**
+   * Remove a key from storage.
+   */
+  function removeValue(key: string): void {
+    try {
+      uni.removeStorageSync(key)
+    } catch (e) {
+      console.error(`[useStorage] Failed to remove key "${key}":`, e)
+    }
+  }
+
+  return {
+    loadValue,
+    saveValue,
+    removeValue,
+  }
+}