refactor(TaskStatusTag): replace a-tag with span element and improve status configuration

- Replace a-tag component with semantic span element for better accessibility
- Introduce centralized STATUS_CONFIG object for consistent status mapping
- Add isRunning computed property for cleaner conditional logic
- Remove redundant statusMap handling and normalize status values
- Add proper CSS class bindings for styling consistency
- Update component structure to use

frontend/app/web-gold/src/views/user/Profile.vue

@@ -216,7 +216,7 @@ onMounted(async () => {
               <div class="stat-content">
                 <div class="stat-label">剩余积分</div>
                 <div class="stat-value">{{ formatCredits(userStore.remainingPoints) }}</div>
-                <div class="stat-desc">用于AI生成消耗</div>
+                <div class="stat-desc">用于生成消耗</div>
               </div>
             </a-card>
           </a-col>