feat(site): enhance monitoring dashboard and public status pages

Implement incident tracking for public status pages, improve the monitoring
dashboard UI with better grouping and loading states, and refine domain
resolution logic.

- feat(hub): add incident support to public status pages
- feat(hub): implement immediate monitor checks on creation and resume
- feat(hub): improve domain status detection using DNS fallback when WHOIS fails
- feat(site): redesign monitoring dashboard with categorized cards
- feat(site): add incident detail view and management in the dashboard
- feat(site): add active incidents section to public status pages
- feat(site): add "Add System" functionality to systems table
- refactor(site): improve calendar view responsiveness and loading states
- style(site): add skeleton components for better UX during data fetching

internal/hub/monitors/api.go

@@ -2,6 +2,7 @@ package monitors
 
 import (
 	"encoding/json"
+	"log"
 	"net/http"
 	"time"
 
@@ -251,6 +252,13 @@ func (h *APIHandler) createMonitor(e *core.RequestEvent) error {
 	// Add to scheduler
 	h.scheduler.AddMonitor(record)
 
+	// Run initial check immediately so the monitor shows real status instead of pending
+	go func() {
+		if _, err := h.scheduler.RunManualCheck(record.Id); err != nil {
+			log.Printf("[monitor-api] Initial check failed for %s: %v", record.Id, err)
+		}
+	}()
+
 	return e.JSON(http.StatusCreated, recordToResponse(record))
 }
 
@@ -485,6 +493,13 @@ func (h *APIHandler) resumeMonitor(e *core.RequestEvent) error {
 
 	h.scheduler.UpdateMonitor(record)
 
+	// Run an immediate check so the monitor shows real status instead of pending
+	go func() {
+		if _, err := h.scheduler.RunManualCheck(record.Id); err != nil {
+			log.Printf("[monitor-api] Resume check failed for %s: %v", record.Id, err)
+		}
+	}()
+
 	return e.JSON(http.StatusOK, recordToResponse(record))
 }