服务端媒体源导入/保存/客户端输出链路修复：支持 snake/camel、subcategories/sources，默认客户端可见，保存后发布兼容 media-types.json。

新增数据库同步 Job API、持久化状态、实时输出、最新任务恢复，以及系统日志聚合接口。
管理端优化：日志中心、运维实时状态框、同步输出自动滚动、仪表盘“输出”列、真实延迟空态、本地 favicon/avatar。
新增 server/unified-management/assets/favicon.ico 和 developer-avatar.png，并接好 /favicon.ico、/admin/favicon.ico、/setup/favicon.ico、/assets/*。
WinUI 随机放映室卡片优先显示子接口原始 Description。
Inno 安装器输出框改为选区末尾 + SendMessage 滚动到底部。

server/unified-management/web/portal/src/state.ts

@@ -54,8 +54,8 @@ export function usePortalState() {
   const appVersion = computed(() => releases.value?.app_version || bootstrap.value?.release?.app_version || latestNotice.value?.version || "未发布");
   const serviceVersion = computed(() => bootstrap.value?.serviceVersion || "-");
   const branding = computed(() => ({
-    siteIconUrl: bootstrap.value?.branding?.siteIconUrl || "https://img.ymhut.cn/file/1782108850041_icon.webp",
-    developerAvatarUrl: bootstrap.value?.branding?.developerAvatarUrl || "https://img.ymhut.cn/file/1782108780690_b_3db45f3787f19192c8de8e06bc0987ef.webp",
+    siteIconUrl: bootstrap.value?.branding?.siteIconUrl || "/assets/favicon.ico",
+    developerAvatarUrl: bootstrap.value?.branding?.developerAvatarUrl || "/assets/developer-avatar.png",
     developerName: bootstrap.value?.branding?.developerName || "YMhut",
     feedbackEmail: bootstrap.value?.branding?.feedbackEmail || "support@ymhut.cn",
   }));