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/list/list.go

@@ -0,0 +1,172 @@
+// 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 list
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"github.com/spf13/cobra"
+	"go.probo.inc/probo/pkg/cli/api"
+	"go.probo.inc/probo/pkg/cmd/cmdutil"
+)
+
+const listQuery = `
+query($first: Int, $after: CursorKey, $orderBy: WebhookSubscriptionOrder) {
+  viewer {
+    organization {
+      webhookSubscriptions(first: $first, after: $after, orderBy: $orderBy) {
+        totalCount
+        edges {
+          node {
+            id
+            endpointUrl
+            selectedEvents
+            createdAt
+          }
+        }
+        pageInfo {
+          hasNextPage
+          endCursor
+        }
+      }
+    }
+  }
+}
+`
+
+type webhookSubscription struct {
+	ID             string   `json:"id"`
+	EndpointURL    string   `json:"endpointUrl"`
+	SelectedEvents []string `json:"selectedEvents"`
+	CreatedAt      string   `json:"createdAt"`
+}
+
+func NewCmdList(f *cmdutil.Factory) *cobra.Command {
+	var (
+		flagLimit    int
+		flagOrderBy  string
+		flagOrderDir string
+		flagOutput   *string
+	)
+
+	cmd := &cobra.Command{
+		Use:     "list",
+		Short:   "List webhook subscriptions",
+		Aliases: []string{"ls"},
+		Args:    cobra.NoArgs,
+		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(),
+			)
+
+			variables := map[string]any{}
+
+			if flagOrderBy != "" {
+				if err := cmdutil.ValidateEnum("order-by", flagOrderBy, []string{"CREATED_AT"}); err != nil {
+					return err
+				}
+				variables["orderBy"] = map[string]any{
+					"field":     flagOrderBy,
+					"direction": flagOrderDir,
+				}
+			}
+
+			webhooks, totalCount, err := api.Paginate(
+				client,
+				listQuery,
+				variables,
+				flagLimit,
+				func(data json.RawMessage) (*api.Connection[webhookSubscription], error) {
+					var resp struct {
+						Viewer struct {
+							Organization struct {
+								WebhookSubscriptions api.Connection[webhookSubscription] `json:"webhookSubscriptions"`
+							} `json:"organization"`
+						} `json:"viewer"`
+					}
+					if err := json.Unmarshal(data, &resp); err != nil {
+						return nil, err
+					}
+					return &resp.Viewer.Organization.WebhookSubscriptions, nil
+				},
+			)
+			if err != nil {
+				return err
+			}
+
+			if *flagOutput == cmdutil.OutputJSON {
+				if webhooks == nil {
+					webhooks = []webhookSubscription{}
+				}
+				return cmdutil.PrintJSON(f.IOStreams.Out, webhooks)
+			}
+
+			if len(webhooks) == 0 {
+				_, _ = fmt.Fprintln(f.IOStreams.Out, "No webhook subscriptions found.")
+				return nil
+			}
+
+			rows := make([][]string, 0, len(webhooks))
+			for _, w := range webhooks {
+				rows = append(rows, []string{
+					w.ID,
+					w.EndpointURL,
+					fmt.Sprintf("%d events", len(w.SelectedEvents)),
+					cmdutil.FormatTime(w.CreatedAt),
+				})
+			}
+
+			t := cmdutil.NewTable("ID", "ENDPOINT", "EVENTS", "CREATED").Rows(rows...)
+
+			_, _ = fmt.Fprintln(f.IOStreams.Out, t)
+
+			if totalCount > len(webhooks) {
+				_, _ = fmt.Fprintf(
+					f.IOStreams.ErrOut,
+					"\nShowing %d of %d webhook subscriptions\n",
+					len(webhooks),
+					totalCount,
+				)
+			}
+
+			return nil
+		},
+	}
+
+	cmd.Flags().IntVarP(&flagLimit, "limit", "L", 30, "Maximum number of webhook subscriptions to list")
+	cmd.Flags().StringVar(&flagOrderBy, "order-by", "", "Order by field (CREATED_AT)")
+	cmd.Flags().StringVar(&flagOrderDir, "order-direction", "DESC", "Sort direction (ASC, DESC)")
+	flagOutput = cmdutil.AddOutputFlag(cmd)
+
+	return cmd
+}