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/internal/config/config.go

@@ -142,7 +142,7 @@ func defaults(root string) *Config {
 		TimestampWindowSeconds: 600,
 		MaxRequestBytes:        12 * 1024 * 1024,
 		MaxPackageBytes:        10 * 1024 * 1024,
-		SourceCheckSeconds:     300,
+		SourceCheckSeconds:     60,
 		Database: DatabaseConfig{
 			Provider:               "sqlite",
 			SQLitePath:             filepath.Join(root, "storage", "unified.sqlite"),
@@ -150,7 +150,7 @@ func defaults(root string) *Config {
 			MySQLPort:              3306,
 			FailoverEnabled:        true,
 			HotSyncEnabled:         true,
-			HealthIntervalSec:      30,
+			HealthIntervalSec:      60,
 			MaxOpenConns:           10,
 			MaxIdleConns:           4,
 			ConnMaxLifetimeSeconds: 300,
@@ -163,8 +163,8 @@ func defaults(root string) *Config {
 			TimeoutSeconds:   20,
 		},
 		Branding: BrandingConfig{
-			SiteIconURL:        "https://img.ymhut.cn/file/1782108850041_icon.webp",
-			DeveloperAvatarURL: "https://img.ymhut.cn/file/1782108780690_b_3db45f3787f19192c8de8e06bc0987ef.webp",
+			SiteIconURL:        "/assets/favicon.ico",
+			DeveloperAvatarURL: "/assets/developer-avatar.png",
 			DeveloperName:      "YMhut",
 			FeedbackEmail:      "support@ymhut.cn",
 		},
@@ -393,7 +393,7 @@ func normalize(root string, cfg *Config) {
 		}
 	}
 	if cfg.Database.HealthIntervalSec <= 0 {
-		cfg.Database.HealthIntervalSec = 30
+		cfg.Database.HealthIntervalSec = 60
 	}
 	if cfg.Database.MaxOpenConns <= 0 {
 		cfg.Database.MaxOpenConns = 10
@@ -435,7 +435,7 @@ func normalize(root string, cfg *Config) {
 		cfg.UploadGuard.MaxReadableTextBytes = 256 * 1024
 	}
 	if cfg.SourceCheckSeconds <= 0 {
-		cfg.SourceCheckSeconds = 300
+		cfg.SourceCheckSeconds = 60
 	}
 	if cfg.Mail.Port <= 0 {
 		cfg.Mail.Port = 465
@@ -454,10 +454,10 @@ func normalize(root string, cfg *Config) {
 		cfg.Mail.TimeoutSeconds = 20
 	}
 	if cfg.Branding.SiteIconURL == "" {
-		cfg.Branding.SiteIconURL = "https://img.ymhut.cn/file/1782108850041_icon.webp"
+		cfg.Branding.SiteIconURL = "/assets/favicon.ico"
 	}
 	if cfg.Branding.DeveloperAvatarURL == "" {
-		cfg.Branding.DeveloperAvatarURL = "https://img.ymhut.cn/file/1782108780690_b_3db45f3787f19192c8de8e06bc0987ef.webp"
+		cfg.Branding.DeveloperAvatarURL = "/assets/developer-avatar.png"
 	}
 	if cfg.Branding.DeveloperName == "" {
 		cfg.Branding.DeveloperName = "YMhut"