chore(#1474): add reason= to remaining bare clippy allows outside dashboard

hive-forge/src/verbs/timeline.rs

@@ -62,7 +62,11 @@ pub fn run(client: &Client, args: Args) -> Result<()> {
 /// output for every supported event type without re-implementing the
 /// per-arm dispatch. `print_event` is the only caller that adds the
 /// terminating newline.
-#[allow(clippy::too_many_lines)]
+#[allow(
+    clippy::too_many_lines,
+    reason = "flat per-event-type dispatch: one arm per timeline event kind; \
+              splitting it would scatter the formatting without shrinking it"
+)]
 fn format_event(ev: &Value) -> String {
     let event_type = ev.get("type").and_then(Value::as_str).unwrap_or("?");
     let user = ev