Initial commit: RM Circle team sponsor router (bridge page, /start, /admin, Docker)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

public/bridge.js

@@ -0,0 +1,17 @@
+(async function(){
+  try{
+    const r=await fetch('/api/public/config');
+    if(!r.ok)return;
+    const c=await r.json();
+    document.title=`${c.siteName} | ${c.programName}`;
+    const sub=document.getElementById('bridgeSubheadline');
+    if(sub&&c.bridgeSubheadline)sub.textContent=c.bridgeSubheadline;
+    const h=document.getElementById('bridgeHeadline');
+    if(h&&c.bridgeHeadline)h.textContent=c.bridgeHeadline;
+    const qs=window.location.search; if(qs){document.querySelectorAll('a[href="/start"]').forEach(a=>a.href='/start'+qs)}
+  }catch(e){}
+  for(const id of ['p8','p16']){
+    const node=document.getElementById(id); if(!node)continue;
+    const count=id==='p8'?8:16; for(let i=0;i<count;i++){const s=document.createElement('span');s.className='person';node.appendChild(s)}
+  }
+})();