Add proboctl webhook commands

Add CRUD commands for webhook subscriptions and a command
to list webhook events.

Signed-off-by: Bryan Frimin <bryan@getprobo.com>

pkg/cmd/webhook/view/view.go

@@ -0,0 +1,131 @@
+// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package view
+
+import (
+	"encoding/json"
+	"fmt"
+	"strings"
+
+	"github.com/charmbracelet/lipgloss"
+	"github.com/spf13/cobra"
+	"go.probo.inc/probo/pkg/cli/api"
+	"go.probo.inc/probo/pkg/cmd/cmdutil"
+)
+
+const viewQuery = `
+query($id: ID!) {
+  node(id: $id) {
+    __typename
+    ... on WebhookSubscription {
+      id
+      endpointUrl
+      selectedEvents
+      createdAt
+      updatedAt
+    }
+  }
+}
+`
+
+type viewResponse struct {
+	Node *struct {
+		Typename       string   `json:"__typename"`
+		ID             string   `json:"id"`
+		EndpointURL    string   `json:"endpointUrl"`
+		SelectedEvents []string `json:"selectedEvents"`
+		CreatedAt      string   `json:"createdAt"`
+		UpdatedAt      string   `json:"updatedAt"`
+	} `json:"node"`
+}
+
+func NewCmdView(f *cmdutil.Factory) *cobra.Command {
+	var flagOutput *string
+
+	cmd := &cobra.Command{
+		Use:   "view <id>",
+		Short: "View a webhook subscription",
+		Args:  cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			if err := cmdutil.ValidateOutputFlag(flagOutput); err != nil {
+				return err
+			}
+
+			cfg, err := f.Config()
+			if err != nil {
+				return err
+			}
+
+			host, hc, err := cfg.DefaultHost()
+			if err != nil {
+				return err
+			}
+
+			client := api.NewClient(
+				host,
+				hc.Token,
+				"/api/console/v1/graphql",
+				cfg.HTTPTimeoutDuration(),
+			)
+
+			data, err := client.Do(
+				viewQuery,
+				map[string]any{"id": args[0]},
+			)
+			if err != nil {
+				return err
+			}
+
+			var resp viewResponse
+			if err := json.Unmarshal(data, &resp); err != nil {
+				return fmt.Errorf("cannot parse response: %w", err)
+			}
+
+			if resp.Node == nil {
+				return fmt.Errorf("webhook subscription %s not found", args[0])
+			}
+
+			if resp.Node.Typename != "WebhookSubscription" {
+				return fmt.Errorf("expected WebhookSubscription node, got %s", resp.Node.Typename)
+			}
+
+			if *flagOutput == cmdutil.OutputJSON {
+				return cmdutil.PrintJSON(f.IOStreams.Out, resp.Node)
+			}
+
+			w := resp.Node
+			out := f.IOStreams.Out
+
+			bold := lipgloss.NewStyle().Bold(true)
+			label := lipgloss.NewStyle().Foreground(lipgloss.Color("242")).Width(22)
+
+			_, _ = fmt.Fprintf(out, "%s\n\n", bold.Render("Webhook Subscription"))
+
+			_, _ = fmt.Fprintf(out, "%s%s\n", label.Render("ID:"), w.ID)
+			_, _ = fmt.Fprintf(out, "%s%s\n", label.Render("Endpoint:"), w.EndpointURL)
+			_, _ = fmt.Fprintf(out, "%s%s\n", label.Render("Events:"), strings.Join(w.SelectedEvents, ", "))
+
+			_, _ = fmt.Fprintln(out)
+			_, _ = fmt.Fprintf(out, "%s%s\n", label.Render("Created:"), cmdutil.FormatTime(w.CreatedAt))
+			_, _ = fmt.Fprintf(out, "%s%s\n", label.Render("Updated:"), cmdutil.FormatTime(w.UpdatedAt))
+
+			return nil
+		},
+	}
+
+	flagOutput = cmdutil.AddOutputFlag(cmd)
+
+	return cmd
+}