fix: 域能系统全量检查 — 修复 5 个逻辑/交互 Gap

- 修复 Admin 改名路径未扣域能（非审核路径补充 HasCompletedTask + DeductOnRename）
- 赋能按钮改为 Modal 弹窗（轻赋/重赋选择 + 每日上限提示）
- EnergyInfo API 增加 daily_energize_exp/daily_exp_cap_reached 返回值
- "我的域能" TAB 增加经验值和等级展示
- Energize 事务修复：导出 EnergyStore + WithTx 方法确保 DB 操作原子性
- Studio 写文章页新增 LV0 锁止横幅 + 禁用提交按钮

templates/MetaLab-2026/static/css/posts.css

@@ -603,3 +603,113 @@
     border-radius: 12px;
     white-space: nowrap;
 }
+
+/* ========== 赋能弹窗 ========== */
+.energize-overlay {
+    position: fixed;
+    top: 0; left: 0; right: 0; bottom: 0;
+    background: rgba(0, 0, 0, 0.45);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    z-index: 9999;
+}
+
+.energize-modal {
+    background: #fff;
+    border-radius: 12px;
+    width: 360px;
+    max-width: 92vw;
+    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
+    overflow: hidden;
+}
+
+.energize-modal-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 20px 24px 16px;
+}
+
+.energize-modal-header h3 {
+    margin: 0;
+    font-size: 18px;
+    font-weight: 600;
+    color: #111827;
+}
+
+.energize-close {
+    background: none;
+    border: none;
+    font-size: 24px;
+    color: #9ca3af;
+    cursor: pointer;
+    padding: 0;
+    line-height: 1;
+}
+
+.energize-close:hover {
+    color: #374151;
+}
+
+.energize-modal-body {
+    padding: 0 24px 24px;
+}
+
+.energize-hint {
+    background: #fff7ed;
+    border: 1px solid #fed7aa;
+    border-radius: 8px;
+    padding: 10px 14px;
+    font-size: 13px;
+    color: #c2410c;
+    margin-bottom: 16px;
+    line-height: 1.5;
+}
+
+.energize-options {
+    display: flex;
+    gap: 12px;
+}
+
+.energize-option-btn {
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    padding: 16px 12px;
+    border: 2px solid #e5e7eb;
+    border-radius: 10px;
+    background: #fff;
+    cursor: pointer;
+    transition: border-color 0.2s, background 0.2s;
+}
+
+.energize-option-btn:hover {
+    border-color: #6366f1;
+    background: #f5f3ff;
+}
+
+.energize-option-btn:disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+}
+
+.energize-option-title {
+    font-size: 16px;
+    font-weight: 600;
+    color: #111827;
+    margin-bottom: 4px;
+}
+
+.energize-option-cost {
+    font-size: 13px;
+    color: #6b7280;
+}
+
+.energize-option-gain {
+    font-size: 12px;
+    color: #059669;
+    margin-top: 2px;
+    font-weight: 500;
+}