diff --git a/services/hackbot-ui/components/RunDetail.tsx b/services/hackbot-ui/components/RunDetail.tsx
index c6c7e865c4..c10bf68bcf 100644
--- a/services/hackbot-ui/components/RunDetail.tsx
+++ b/services/hackbot-ui/components/RunDetail.tsx
@@ -22,15 +22,17 @@ import { parseTestPlan, TestPlanView } from "./TestPlanView";
 // approves the actual text and not just an action type. A comment carries its
 // body in params.text; a Phabricator submission carries the title and summary of
 // the revision it would open for the patch (previewed by PatchView).
-function actionPreview(a: RunAction): { label: string; text: string } | null {
+function actionPreview(
+  action: RunAction
+): { label: string; text: string } | null {
   const text = (v: unknown): string =>
     typeof v === "string" && v.trim() ? v : "";
-  if (a.type === "bugzilla.add_comment") {
-    const body = text(a.params?.text);
+  if (action.type === "bugzilla.add_comment") {
+    const body = text(action.params?.text);
     return body ? { label: "Comment preview", text: body } : null;
   }
-  if (a.type === "phabricator.submit_patch") {
-    const body = [text(a.params?.title), text(a.params?.summary)]
+  if (action.type === "phabricator.submit_patch") {
+    const body = [text(action.params?.title), text(action.params?.summary)]
       .filter(Boolean)
       .join("\n\n");
     return body ? { label: "Revision preview", text: body } : null;
@@ -192,9 +194,9 @@ export function RunDetail({
   // Both pending and failed actions are (re)applied by the apply endpoint — it
   // skips only already-applied ones — so one button covers applying and retry.
   const pendingActions =
-    actions?.filter((a) => a.status === "pending").length ?? 0;
+    actions?.filter((action) => action.status === "pending").length ?? 0;
   const failedActions =
-    actions?.filter((a) => a.status === "failed").length ?? 0;
+    actions?.filter((action) => action.status === "failed").length ?? 0;
   const applyLabel =
     pendingActions && failedActions
       ? "Apply pending & retry failed actions"
@@ -296,21 +298,27 @@ export function RunDetail({
           <h2>Actions ({actions.length})</h2>
           {applyError && <div className="error-banner">{applyError}</div>}
           <ul className="action-list">
-            {actions.map((a) => {
-              const preview = actionPreview(a);
+            {actions.map((action) => {
+              const preview = actionPreview(action);
               const url =
-                typeof a.result?.url === "string" ? a.result.url : null;
+                typeof action.result?.url === "string"
+                  ? action.result.url
+                  : null;
               return (
-                <li key={a.idx}>
+                <li key={action.idx}>
                   <div className="action-row">
-                    <span className={`badge ${a.status}`}>{a.status}</span>
-                    <code>{a.type}</code>
+                    <span className={`badge ${action.status}`}>
+                      {action.status}
+                    </span>
+                    <code>{action.type}</code>
                     {url && (
                       <a href={url} target="_blank" rel="noreferrer">
                         Open
                       </a>
                     )}
-                    {a.error && <span className="muted">{a.error}</span>}
+                    {action.error && (
+                      <span className="muted">{action.error}</span>
+                    )}
                   </div>
                   {preview && (
                     <div className="action-preview">