debug: add logging to check API key loading

- Add console logs to verify if API keys are being loaded from meta tags
- This will help diagnose why OpenRouter requests are failing

src/init-env.js

@@ -3,11 +3,17 @@ document.addEventListener('DOMContentLoaded', function() {
     const openrouterMeta = document.querySelector('meta[name="openrouter-key"]');
     const hfMeta = document.querySelector('meta[name="hf-key"]');
     
-    if (openrouterMeta) {
+    if (openrouterMeta && openrouterMeta.content) {
         window.OPENROUTER_API_KEY = openrouterMeta.content;
+        console.log('OpenRouter API key loaded');
+    } else {
+        console.log('No OpenRouter API key found in meta tags');
     }
     
-    if (hfMeta) {
+    if (hfMeta && hfMeta.content) {
         window.HF_API_KEY = hfMeta.content;
+        console.log('HF API key loaded');
+    } else {
+        console.log('No HF API key found in meta tags');
     }
 });