Add per-node health checks with status indicators and scheduled probes.

service/internal/api/router.go

@@ -22,6 +22,9 @@ func NewRouterWithApp(configDir string) (http.Handler, *App) {
 	if app.Executor != nil {
 		app.Executor.StartScheduler()
 	}
+	if app.HealthChecker != nil {
+		app.HealthChecker.StartScheduler()
+	}
 
 	mux := http.NewServeMux()
 	mux.HandleFunc("GET /health", HealthHandler)
@@ -62,8 +65,10 @@ func NewRouterWithApp(configDir string) (http.Handler, *App) {
 	mux.HandleFunc("GET /api/v1/nodes", app.nodesListHandler)
 	mux.HandleFunc("POST /api/v1/nodes", app.nodesCreateHandler)
 	mux.HandleFunc("GET /api/v1/nodes/{id}", app.nodesGetHandler)
+	mux.HandleFunc("PATCH /api/v1/nodes/{id}", app.nodesPatchHandler)
 	mux.HandleFunc("DELETE /api/v1/nodes/{id}", app.nodesDeleteHandler)
 	mux.HandleFunc("POST /api/v1/nodes/{id}/test-ssh", app.nodesTestSSHHandler)
+	mux.HandleFunc("POST /api/v1/nodes/{id}/health-check", app.nodesHealthCheckHandler)
 	mux.HandleFunc("POST /api/v1/nodes/{id}/resolve-commands", app.nodesResolveCommandsHandler)
 	mux.HandleFunc("GET /api/v1/nodes/{id}/action-groups", app.actionGroupsListHandler)
 	mux.HandleFunc("POST /api/v1/nodes/{id}/action-groups", app.actionGroupsCreateHandler)