chore: enable coder inbox by default (#17077)

Add a flag to enable Coder Inbox by default, as well as supporting disabling the feature.

codersdk/deployment.go

@@ -698,12 +698,19 @@ type NotificationsConfig struct {
 	SMTP NotificationsEmailConfig `json:"email" typescript:",notnull"`
 	// Webhook settings.
 	Webhook NotificationsWebhookConfig `json:"webhook" typescript:",notnull"`
+	// Inbox settings.
+	Inbox NotificationsInboxConfig `json:"inbox" typescript:",notnull"`
 }
 
+// Are either of the notification methods enabled?
 func (n *NotificationsConfig) Enabled() bool {
 	return n.SMTP.Smarthost != "" || n.Webhook.Endpoint != serpent.URL{}
 }
 
+type NotificationsInboxConfig struct {
+	Enabled serpent.Bool `json:"enabled" typescript:",notnull"`
+}
+
 type NotificationsEmailConfig struct {
 	// The sender's address.
 	From serpent.String `json:"from" typescript:",notnull"`
@@ -989,6 +996,11 @@ func (c *DeploymentValues) Options() serpent.OptionSet {
 			Parent: &deploymentGroupNotifications,
 			YAML:   "webhook",
 		}
+		deploymentGroupInbox = serpent.Group{
+			Name:   "Inbox",
+			Parent: &deploymentGroupNotifications,
+			YAML:   "inbox",
+		}
 	)
 
 	httpAddress := serpent.Option{
@@ -2856,6 +2868,16 @@ Write out the current server config as YAML to stdout.`,
 			Group:       &deploymentGroupNotificationsWebhook,
 			YAML:        "endpoint",
 		},
+		{
+			Name:        "Notifications: Inbox: Enabled",
+			Description: "Enable Coder Inbox.",
+			Flag:        "notifications-inbox-enabled",
+			Env:         "CODER_NOTIFICATIONS_INBOX_ENABLED",
+			Value:       &c.Notifications.Inbox.Enabled,
+			Default:     "true",
+			Group:       &deploymentGroupInbox,
+			YAML:        "enabled",
+		},
 		{
 			Name:        "Notifications: Max Send Attempts",
 			Description: "The upper limit of attempts to send a notification.",