forge_notify: detect review requests via requested_reviewers (closes #253)

hive-ag3nt/src/forge_notify.rs

@@ -378,6 +378,26 @@ async fn format_notification(
             other => format!("{label}{num}{repo}: {other}"),
         };
 
+        // Review-request detection (#253): Forgejo does not always set
+        // reason == "review_requested" (observed reason is null). Check
+        // requested_reviewers instead, which is reliable. If own_login is
+        // in the list, this is a review request -- override the kind.
+        // `subject` and `is_pr` are already fetched unconditionally above (#256).
+        let is_review_request = is_new
+            && is_pr
+            && !own_login.is_empty()
+            && subject
+                .as_ref()
+                .and_then(|s| s["requested_reviewers"].as_array())
+                .map(|arr| arr.iter().any(|r| r["login"].as_str() == Some(own_login)))
+                .unwrap_or(false);
+
+        let kind = if is_review_request {
+            format!("review requested{num}{repo}")
+        } else {
+            kind
+        };
+
         let mut out = format!("[{kind}] {title}\nurl: {html_url}");
         out.push_str(&meta_suffix);
         Some(out)