fix(ui): align contextual documentation with headings

Verified with the coordinated workspace changes by devkit full run
2026-09-08T225814-186389-0000-3e3ed7cd (all seven phases passed).
This shared UI pass does not mark the individual module reviews complete.

webui/src/features/tasks/TasksPage.tsx

@@ -203,8 +203,8 @@ export default function TasksPage({ settings, auth }: { settings: ApiSettings; a
             variant="detail"
             className="tasks-topbar"
             data-help-context-id="tasks.page.detail"
-            contextActions={<span className="tasks-detail-title"><ListChecks size={18} /><strong>{selected?.title ?? "i18n:govoplan-tasks.work_details"}</strong></span>}
-            helpAction={<DocumentationHelpLink reference={DOCUMENTATION} />}
+            title={<span className="tasks-detail-title"><ListChecks size={18} aria-hidden="true" /><strong>{selected?.title ?? "i18n:govoplan-tasks.work_details"}</strong></span>}
+            titleHelp={<DocumentationHelpLink reference={DOCUMENTATION} />}
             primaryActions={selected?.provider_id === "tasks.explicit" && canWrite ? (
               <TaskPrimaryActions item={selected} busy={busy} onAction={(action) => action === "defer" ? setDeferOpen(true) : void runAction(action)} />
             ) : undefined}