feat(crons): Add new notification type (#74286)

<img width="1019" alt="image"
src="https://github.com/user-attachments/assets/958e3de6-863a-412e-b547-1c1aa0bcf0fa">

Author: David Wang

static/app/views/settings/account/accountNotificationFineTuning.tsx

@@ -46,6 +46,7 @@ const accountNotifications = [
   'quota',
   'spikeProtection',
   'reports',
+  'brokenMonitors',
 ];
 
 type ANBPProps = {

static/app/views/settings/account/notifications/constants.tsx

@@ -56,6 +56,7 @@ export const NOTIFICATION_SETTINGS_TYPES = [
   'reports',
   'email',
   'spikeProtection',
+  'brokenMonitors',
 ] as const;
 
 export const SELF_NOTIFICATION_SETTINGS_TYPES = [
@@ -75,6 +76,7 @@ export const NOTIFICATION_SETTINGS_PATHNAMES: Record<NotificationSettingsType, s
   reports: 'reports',
   email: 'email',
   spikeProtection: 'spike-protection',
+  brokenMonitors: 'broken-monitors',
 };
 
 export const CONFIRMATION_MESSAGE = (

static/app/views/settings/account/notifications/fields.tsx

@@ -88,6 +88,17 @@ export const ACCOUNT_NOTIFICATION_FIELDS: Record<string, FineTuneField> = {
       {value: '0', label: t('Off')},
     ],
   },
+  brokenMonitors: {
+    title: t('Broken Monitors'),
+    description: t(
+      'Notifications for monitors that have been in a failing state for a prolonged period of time'
+    ),
+    type: 'select',
+    options: [
+      {value: '1', label: t('On')},
+      {value: '0', label: t('Off')},
+    ],
+  },
   email: {
     title: t('Email Routing'),
     description: t(

static/app/views/settings/account/notifications/fields2.tsx

@@ -104,6 +104,18 @@ export const NOTIFICATION_SETTING_FIELDS: Record<string, Field> = {
     ],
     help: t('Notifications about spikes on a per project basis.'),
   },
+  brokenMonitors: {
+    name: 'brokenMonitors',
+    type: 'select',
+    label: t('Broken Monitors'),
+    choices: [
+      ['always', t('On')],
+      ['never', t('Off')],
+    ],
+    help: t(
+      'Notifications for monitors that have been in a failing state for a prolonged period of time'
+    ),
+  },
   // legacy options
   personalActivityNotifications: {
     name: 'personalActivityNotifications',

static/app/views/settings/account/notifications/notificationSettingsByType.tsx

@@ -444,7 +444,7 @@ class NotificationSettingsByTypeV2 extends DeprecatedAsyncComponent<Props, State
             fields={this.getFields()}
           />
         </Form>
-        {notificationType !== 'reports' ? (
+        {notificationType !== 'reports' && notificationType !== 'brokenMonitors' ? (
           <Form
             saveOnBlur
             apiMethod="PUT"