fix(routes): use tmpl::render for bot detail page

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/api/routes.rs

@@ -97,7 +97,7 @@ async fn bot_detail_handler(
         None => false,
     };
     if authed {
-        axum::response::Html(include_str!("../web/bot.html")).into_response()
+        axum::response::Html(crate::tmpl::render("bot.html", "bots")).into_response()
     } else {
         Redirect::to("/").into_response()
     }