expand container monitoring functionality (#928)

- Add new /containers route with virtualized table showing all containers across systems
- Implement container stats collection (CPU, memory, network usage) with health status tracking
- Add container logs and info API endpoints with syntax highlighting using Shiki
- Create detailed container views with fullscreen logs/info dialogs and refresh functionality
- Add container table to individual system pages with lazy loading
- Implement container record storage with automatic cleanup and historical averaging
- Update navbar with container navigation icon
- Extract reusable ActiveAlerts component from home page
- Add FooterRepoLink component for consistent GitHub/version display
- Enhance filtering and search capabilities across container tables

internal/site/src/lib/enums.ts

@@ -54,6 +54,16 @@ export enum HourFormat {
 	"24h" = "24h",
 }
 
+/** Container health status */
+export enum ContainerHealth {
+	None,
+	Starting,
+	Healthy,
+	Unhealthy,
+}
+
+export const ContainerHealthLabels = ["None", "Starting", "Healthy", "Unhealthy"] as const
+
 /** Connection type */
 export enum ConnectionType {
 	SSH = 1,