names: GET /hats/worn lists every head wearing a hat (a couple of dozen), so coinos holds the whole list and a face it has never seen gets its hat in the first paint instead of after a per-head lookupHEADmaster

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01VMan6TUeqTyZB8eXLGymUY

1 files changed, 13 insertions, 0 deletions

diff --git a/names/server.js b/names/server.js
index ec60e86..0829c47 100644
--- a/names/server.js
+++ b/names/server.js
@@ -1578,6 +1578,19 @@ Bun.serve({
       return json({ hats });
     }
 
+    // Every head wearing a hat, in one go (a couple of dozen today): the
+    // client holds the whole list, so a face it has never seen gets its hat
+    // in the first paint instead of after a lookup.
+    if (url.pathname === '/hats/worn' && req.method === 'GET') {
+      const net = hatNetOf(url.searchParams.get('net'));
+      const hats = {};
+      for (const pk of [...Object.keys(hatStore(net)), HAT_ADMIN_PK]) {
+        const e = hatRec(pk, net).equipped;
+        if (e) hats[pk] = e;
+      }
+      return json({ hats });
+    }
+
     // The shop view: everything one pubkey owns, plus the price list (the
     // client shows what the server would actually charge).
     const hm = url.pathname.match(/^\/hats\/([0-9a-f]{64})$/);