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

agent/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 {

agent/internal/grpc/pb/vantage.pb.go

@@ -104,6 +104,7 @@ 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"`
 }

agent/internal/monitors/monitors.go

@@ -99,6 +99,7 @@ func runSpec(ctx context.Context, s pb.MonitorSpec, out chan<- pb.CheckResult) {
 		ExpectedStatus: s.ExpectedStatus,
 		Keyword:        s.Keyword,
 		TLSWarnDays:    s.TLSWarnDays,
+		Insecure:       s.Insecure,
 		TimeoutSec:     s.IntervalSec,
 	}