feat: Phase 4 多租户隔离 + 四阶段升级测试 + CSS 统一化

Phase 4: org_id 注入 JWT/API 过滤/组织管理 CRUD/前端组织列
测试: tests/test_phase_upgrades.py 97项全覆盖
CSS: theme-modern.css 共享 mobile-card-list/status-dot/search-bar 等模式
修复: initial_data.py LLM配置 NOT NULL 约束, TopicResponse 含 org_id

platform/frontend/theme-modern.css

@@ -36,12 +36,33 @@
 .status-badge-modern { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; }
 .status-badge-modern.running { background: rgba(103, 194, 58, 0.12); color: #67c23a; border: 1px solid rgba(103, 194, 58, 0.25); animation: pulse-glow 2s infinite; }
 
-/* Modern el-table refinements */
-.el-table { border-radius: 12px; overflow: hidden; }
+/* el-table refinements */
+.el-table { border-radius: 12px; overflow: hidden; width: 100%; }
+.el-table .el-table__cell { word-break: break-word; }
 
 /* Smooth page transitions */
 .page-enter-active { animation: fadeIn 0.4s ease-out; }
 
+/* ========== Reset & Base ========== */
+* { margin: 0; padding: 0; box-sizing: border-box; }
+body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; background: #f5f7fa; color: #303133; min-height: 100vh; }
+
+/* ========== 统一布局 ========== */
+/* 固定顶部导航占位，所有页面自动继承 */
+.main-content { padding-top: 60px !important; display: flex; flex: 1; max-width: 1400px; margin: 0 auto; min-height: calc(100vh - 60px); }
+.content-area { flex: 1; padding: 24px; overflow-y: auto; }
+
+/* ========== 共享卡片 ========== */
+.card { background: white; border-radius: 16px; padding: 24px; margin-bottom: 24px; box-shadow: 0 2px 12px rgba(0,0,0,0.06); overflow-x: auto; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
+
+/* ========== 页面标题 ========== */
+.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
+.page-title { font-size: 24px; font-weight: 700; color: #303133; display: flex; align-items: center; gap: 8px; }
+
+/* ========== 筛选/工具栏 ========== */
+.filter-bar { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
+.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
+
 /* ========== H5响应式 ========== */
 @media (max-width: 768px) {
   /* 对话框自适应宽度 */
@@ -51,14 +72,107 @@
   /* 表单网格在手机上改为单列 */
   .el-row .el-col-12 { width: 100% !important; }
 
-  /* 手机端表格卡片 */
+    /* 手机端表格卡片 */
   .mobile-card { position: relative; }
   .mobile-card:active { transform: scale(0.98); }
+
+  /* 共享 content-area + card 响应式 */
+  .content-area { padding: 16px !important; padding-bottom: 80px; }
+  .card { padding: 16px !important; }
+
+  /* 页面标题在手机上紧凑 */
+  .page-header { flex-direction: column; align-items: flex-start !important; gap: 8px !important; }
 }
 
-/* 触摸优化：增大按钮点击区域 */
+/* ========== 预览对话框（选题/文章共用） ========== */
+.preview-iframe { box-sizing: border-box; }
+.preview-dialog-custom.el-dialog { max-height: calc(100vh - 90px); overflow: hidden; display: flex; flex-direction: column; margin-top: 0 !important; }
+.preview-dialog-custom.el-dialog .el-dialog__header { padding: 8px 12px; margin: 0; flex-shrink: 0; }
+.preview-dialog-custom.el-dialog .el-dialog__body { padding: 12px; overflow: hidden; }
+.preview-dialog-custom.el-dialog .el-dialog__footer { flex-shrink: 0; padding: 8px 12px; }
+.preview-dialog-custom.is-fullscreen { z-index: 100001 !important; }
+body:has(.preview-dialog-custom.is-fullscreen) > [class*="el-overlay"] { z-index: 100000 !important; }
+@media (max-width: 768px) { .preview-iframe { max-height: calc(100vh - 250px) !important; } }
+@media (min-width: 769px) { .preview-iframe { max-height: calc(100vh - 100px) !important; } .preview-dialog-custom { position: relative; left: 90px; } }
+
+/* ========== 共享卡片无数据状态 ========== */
+.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 60px 20px; color: #909399; }
+.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; opacity: 0.4; }
+.empty-state .empty-text { font-size: 14px; margin-bottom: 16px; }
+.loading-state { text-align: center; padding: 60px 20px; color: #909399; font-size: 16px; }
+
+/* ========== 通用移动端卡片列表（替代表格） ========== */
+.card-table { display: block; }
+.card-list-mobile { display: none; }
 @media (max-width: 768px) {
+  .card-table { display: none; }
+  .card-list-mobile { display: block; }
+}
+.card-list-mobile .card-item {
+  background: #fafbfc; border-radius: 10px; padding: 14px; margin-bottom: 10px;
+  border: 1px solid #ebeef5; transition: all 0.2s ease;
+}
+.card-list-mobile .card-item:active { transform: scale(0.99); }
+.card-list-mobile .card-row {
+  display: flex; justify-content: space-between; padding: 6px 0;
+  font-size: 13px; border-bottom: 1px dashed #f0f0f0;
+}
+.card-list-mobile .card-row:last-child { border-bottom: none; }
+.card-list-mobile .card-label { color: #909399; flex-shrink: 0; margin-right: 8px; }
+.card-list-mobile .card-value { color: #303133; text-align: right; word-break: break-word; }
+.card-list-mobile .card-actions {
+  display: flex; gap: 8px; justify-content: flex-end;
+  padding-top: 10px; margin-top: 6px; border-top: 1px solid #ebeef5;
+}
+
+/* ========== 统计摘要条 ========== */
+.stat-summary { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
+.stat-summary .stat-item {
+  background: #f0f5ff; border-radius: 8px; padding: 12px 20px;
+  display: flex; flex-direction: column; align-items: center; min-width: 100px;
+}
+.stat-summary .stat-item .num { font-size: 24px; font-weight: 600; color: #409eff; }
+.stat-summary .stat-item .label { font-size: 12px; color: #909399; margin-top: 4px; }
+@media (max-width: 768px) {
+  .stat-summary { gap: 8px; }
+  .stat-summary .stat-item { min-width: 70px; padding: 8px 12px; }
+  .stat-summary .stat-item .num { font-size: 18px; }
+}
+
+/* ========== 加载中状态 ========== */
+.card-loading { display: flex; justify-content: center; align-items: center; min-height: 200px; color: #909399; font-size: 14px; }
+
+/* ========== 状态圆点 ========== */
+.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 4px; }
+.status-dot.pending { background: #E6A23C; }
+.status-dot.review { background: #F56C6C; }
+.status-dot.ready { background: #67C23A; }
+.status-dot.published { background: #409EFF; }
+.status-dot.draft { background: #909399; }
+
+/* ========== 搜索栏 ========== */
+.search-bar { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
+@media (max-width: 768px) {
+  .search-bar { flex-direction: column; align-items: stretch; }
+  .search-bar .el-input, .search-bar .el-select { width: 100% !important; }
+}
+
+/* ========== 触摸优化 ========== */
+@media (max-width: 768px) {
+  .el-button { min-height: 36px; }
   .el-button--small { min-height: 36px; padding: 8px 14px !important; }
+  .el-button--default { padding: 10px 16px !important; }
   .el-input__inner { min-height: 38px; }
   .el-table__cell .el-button { padding: 8px 12px !important; }
+
+  .btn-group-mobile { display: flex; gap: 6px; flex-wrap: wrap; }
+  .btn-group-mobile .el-button { flex: 1; min-width: 0; justify-content: center; }
+
+  .action-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
+  .action-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
+
+  .filter-bar-mobile { flex-direction: column; align-items: stretch !important; }
+  .filter-bar-mobile .el-select,
+  .filter-bar-mobile .el-input { width: 100% !important; }
+  .page-header-mobile { flex-direction: column; align-items: flex-start !important; gap: 8px !important; }
 }