Band Lineup Display snapshot catches up: 1.3.6 → 1.3.10

The reference fork had drifted four builds behind the app running backstage.
What it was missing is Birthday Mode — the feature the ProdDash module was
ported with, and which this snapshot never had.

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

band-lineup-display/package.json

@@ -1,8 +1,8 @@
 {
   "name": "band-lineup-display",
   "productName": "Band Lineup",
-  "version": "1.3.6",
-  "buildNumber": "92",
+  "version": "1.3.10",
+  "buildNumber": "96",
   "description": "Stage lineup photos with mic/pack labels",
   "main": "main.js",
   "scripts": {