perf: pre-render student popover cards server-side into <template> tags — zero per-hover requests

app/src/Controllers/SearchController.php

@@ -194,6 +194,7 @@ class SearchController
             "currentNav" => "repertoire",
             "extraCss" => ["/assets/css/repertoire.css"],
             "bodyClass" => "search-body",
+            "db" => $this->db,
         ];
     }
 
@@ -233,6 +234,7 @@ class SearchController
     ): never {
         header("Content-Type: text/html; charset=UTF-8");
         $isHtmx = true;
+        $db = $this->db;
         include APP_ROOT . "/templates/partials/repertoire-index.php";
         exit();
     }