use COMMIT_HASH_PLACEHOLDER for server-side hash injection, remove version.json and local hooks

index.html

@@ -281,7 +281,7 @@ footer a{color:var(--accent);text-decoration:none}
           <div class="row"><span>Address</span><span id="iv-addr">—</span></div>
           <div class="row"><span>Balance</span><span id="iv-balance">—</span></div>
           <div class="row"><span>Status</span><span id="iv-status2">—</span></div>
-          <div class="row"><span>Server</span><span><span id="iv-url">—</span> <span id="iv-url-check"></span></span></div>
+          <div class="row"><span>Server</span><span id="iv-url">—</span></div>
           <div id="qrcode"></div>
         </div>
 
@@ -335,6 +335,7 @@ footer a{color:var(--accent);text-decoration:none}
     <div class="wrap">
       <span>Bitcoin After Life — Will Executor List</span>
       <a href="mailto:welist@bitcoin-after.life">welist@bitcoin-after.life</a>
+      <a class="mono" id="commit-link" href="https://bitcoin-after.life/gitea/bitcoinafterlife/bal-welist-website/commit/COMMIT_HASH_PLACEHOLDER">COMMIT_HASH_PLACEHOLDER</a>
     </div>
   </footer>
 
@@ -423,27 +424,6 @@ async function fetchData() {
   }
 }
 
-async function checkServer(url, chain) {
-  const flag = document.getElementById('iv-url-check');
-  flag.textContent = 'checking…';
-  flag.className = '';
-  try {
-    const r = await fetch(url + '/' + chain + '/info');
-    const data = await r.json();
-    if (data && data.address && data.base_fee != null) {
-      flag.textContent = '✓ verified';
-      flag.className = 'flag-ok';
-    } else {
-      flag.textContent = '✗ error';
-      flag.className = 'flag-err';
-    }
-  } catch (err) {
-    flag.textContent = '✗ error';
-    console.error('Fetch error:', err);
-    flag.className = 'flag-err';
-  }
-}
-
 document.getElementById('onion').addEventListener('change', e => {
   withTor = e.target.checked;
   fetchData();
@@ -480,8 +460,6 @@ document.getElementById('submit').addEventListener('click', async () => {
   document.getElementById('iv-balance').textContent = '—';
   document.getElementById('iv-status2').textContent = '—';
   document.getElementById('iv-url').textContent = '—';
-  document.getElementById('iv-url-check').textContent = '';
-  document.getElementById('iv-url-check').className = '';
   document.getElementById('qrcode').innerHTML = '';
   const chain = getChain();
   try {
@@ -509,9 +487,7 @@ document.getElementById('submit').addEventListener('click', async () => {
     new QRCode(qrEl, invoiceuri);
     inv.classList.add('show');
     inv.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
-    const serverUrl = result.url || url;
+    document.getElementById('iv-url').textContent = result.url || url;
-    document.getElementById('iv-url').textContent = serverUrl;
-    checkServer(serverUrl, result.chain || chain);
   } catch (err) {
     document.getElementById('iv-status').className = 'err-line';
     document.getElementById('iv-status').textContent = 'Network error. Please try again.';