feat: edit monitors + notification channels; HTTP monitor insecure-TLS option

server/internal/checker/checker.go

@@ -34,6 +34,7 @@ type Spec struct {
 	ExpectedStatus int
 	Keyword        string
 	TLSWarnDays    int
+	Insecure       bool // skip TLS certificate verification (HTTP checks)
 	TimeoutSec     int
 }
 
@@ -79,6 +80,9 @@ func runHTTP(ctx context.Context, s Spec) Result {
 		expect = 200
 	}
 	client := &http.Client{Timeout: s.timeout()}
+	if s.Insecure {
+		client.Transport = &http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: true}} //nolint:gosec // opt-in per monitor
+	}
 	start := time.Now()
 	req, err := http.NewRequestWithContext(ctx, method, s.URL, nil)
 	if err != nil {

server/internal/grpc/pb/vantage.pb.go

@@ -107,6 +107,7 @@ type MonitorSpec struct {
 	ExpectedStatus int    `json:"expected_status,omitempty"`
 	Keyword        string `json:"keyword,omitempty"`
 	TLSWarnDays    int    `json:"tls_warn_days,omitempty"`
+	Insecure       bool   `json:"insecure,omitempty"`
 	IntervalSec    int    `json:"interval_sec"`
 	Retries        int    `json:"retries"`
 }

server/internal/grpc/server.go

@@ -128,6 +128,7 @@ func (s *vantageServer) SyncMonitors(ctx context.Context, req *pb.SyncMonitorsRe
 			ExpectedStatus: m.Target.ExpectedStatus,
 			Keyword:        m.Target.Keyword,
 			TLSWarnDays:    m.Target.TLSWarnDays,
+			Insecure:       m.Target.Insecure,
 			IntervalSec:    m.IntervalSec,
 			Retries:        m.Retries,
 		})

server/internal/models/monitor.go

@@ -33,6 +33,7 @@ type MonitorTarget struct {
 	ExpectedStatus int    `bson:"expected_status,omitempty" json:"expected_status,omitempty"`
 	Keyword        string `bson:"keyword,omitempty" json:"keyword,omitempty"`
 	TLSWarnDays    int    `bson:"tls_warn_days,omitempty" json:"tls_warn_days,omitempty"`
+	Insecure       bool   `bson:"insecure,omitempty" json:"insecure,omitempty"` // skip TLS cert verification (HTTP monitors)
 }
 
 type MonitorState struct {

server/internal/services/monitors.go

@@ -31,6 +31,7 @@ func SpecFor(m *models.Monitor) checker.Spec {
 		ExpectedStatus: m.Target.ExpectedStatus,
 		Keyword:        m.Target.Keyword,
 		TLSWarnDays:    m.Target.TLSWarnDays,
+		Insecure:       m.Target.Insecure,
 		TimeoutSec:     m.IntervalSec,
 	}
 }