v0.5.4: 全面修复 — template literal URL, Cookie验证, 用户默认is_active, 默认账号路由, 空间信息, 密钥清理, promoForm修复

修复:
- quark-share.ts/storage.ts: 9处template literal ${}缺失导致fetch URL写死
- user/routes.ts: testCloudConnectionWithCookie缺await + 按cloudType分发驱动
- credential.service.ts: INSERT缺?参数 (9values/10cols)
- user/routes.ts: 用户新增网盘默认is_active=0
- admin.routes.ts: 新增PUT /admin/cloud-configs/:id/primary路由
- database.ts: is_primary列迁移
- UserDashboard.vue: 保存时传递storage_used/storage_total
- SystemConfig.vue: promoForm const重赋值bug
- config/index.ts: 移除泄露的默认密钥token

source_clean/frontend/assets/AdminLayout-Dw9-z-1M.css

@@ -0,0 +1 @@
+.admin-layout[data-v-6f75751a]{display:flex;height:100vh;background:var(--bg-page)}.admin-sidebar[data-v-6f75751a]{width:var(--sidebar-w);flex-shrink:0;display:flex;flex-direction:column;background:linear-gradient(180deg,#111827,#1e293b);position:relative;z-index:10}.sidebar-brand[data-v-6f75751a]{display:flex;align-items:center;gap:10px;padding:20px 20px 16px;border-bottom:1px solid rgba(255,255,255,.06)}.sidebar-logo[data-v-6f75751a]{font-size:28px;line-height:1;flex-shrink:0;width:36px;height:36px;display:flex;align-items:center;justify-content:center}.sidebar-logo-img[data-v-6f75751a]{width:36px;height:36px;object-fit:contain;border-radius:6px}.sidebar-logo-fallback[data-v-6f75751a]{font-size:28px}.sidebar-brand-text h2[data-v-6f75751a]{font-size:16px;font-weight:700;margin:0;color:#fff;line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-brand-text p[data-v-6f75751a]{font-size:11px;margin:2px 0 0;color:#ffffff73;letter-spacing:1px}.sidebar-menu[data-v-6f75751a]{flex:1;display:flex;flex-direction:column;background:transparent!important;border-right:none!important;padding:4px 0}.sidebar-menu[data-v-6f75751a] .el-menu-item,.sidebar-menu[data-v-6f75751a] .el-sub-menu__title{color:#ffffffa6;height:44px;line-height:44px;transition:all .2s ease;margin:0 6px;border-radius:var(--radius-sm)}.sidebar-menu[data-v-6f75751a] .el-menu-item:hover,.sidebar-menu[data-v-6f75751a] .el-sub-menu__title:hover{background:#ffffff14;color:#ffffffe6}.sidebar-menu[data-v-6f75751a] .el-menu-item.is-active{color:#fff;background:linear-gradient(90deg,#409eff40,#6366f126);font-weight:500}.sidebar-menu[data-v-6f75751a] .el-menu-item:after{display:none}.sidebar-menu[data-v-6f75751a] .el-sub-menu .el-menu{background:#0003!important}.sidebar-menu[data-v-6f75751a] .el-sub-menu .el-menu .el-menu-item{padding-left:52px!important;font-size:13px;height:38px;line-height:38px}.sidebar-menu[data-v-6f75751a] .el-icon{font-size:16px}.sidebar-spacer[data-v-6f75751a]{flex:1}.sidebar-version[data-v-6f75751a]{text-align:center;font-size:11px;color:#ffffff40;padding:8px 0;letter-spacing:.5px}.admin-content[data-v-6f75751a]{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.content-header[data-v-6f75751a]{display:flex;align-items:center;justify-content:space-between;padding:16px 28px;background:var(--bg-card);border-bottom:1px solid var(--border-light);flex-shrink:0}.content-breadcrumb[data-v-6f75751a]{display:flex;align-items:center;gap:8px}.breadcrumb-current[data-v-6f75751a]{font-size:18px;font-weight:700;color:var(--text)}.content-actions[data-v-6f75751a] .el-button{color:var(--text-secondary);gap:4px}.content-body[data-v-6f75751a]{flex:1;overflow-y:auto;padding:24px 28px}.content-body[data-v-6f75751a] .save-bar{position:sticky;bottom:0;z-index:100;background:var(--bg-card);padding:12px 16px;border-radius:var(--radius-lg) var(--radius-lg) 0 0;border:1px solid var(--border);border-bottom:none;box-shadow:0 -2px 12px #00000014;display:flex;justify-content:flex-end;gap:10px;margin-top:24px}