story-kit: merge 322_story_whatsapp_24_hour_messaging_window_and_template_support

server/src/matrix/config.rs

@@ -80,6 +80,13 @@ pub struct BotConfig {
     /// and configure it in the Meta webhook settings).
     #[serde(default)]
     pub whatsapp_verify_token: Option<String>,
+    /// Name of the approved Meta message template used for pipeline
+    /// notifications when the 24-hour messaging window has expired.
+    ///
+    /// The template must be registered in the Meta Business Manager before
+    /// use.  Defaults to `"pipeline_notification"`.
+    #[serde(default)]
+    pub whatsapp_notification_template: Option<String>,
 }
 
 fn default_transport() -> String {