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app.py

@@ -33,7 +33,11 @@ def index():
 
 @app.route("/<path:name>")
 def static_file(name):
-    if name in ("brand.css", "strip.js", "favicon.svg", "og-card.png", "brand-tile.png"):
+    # Shared chrome + demo assets. Anything in static/assets/ is served; keep
+    # user-added images there to avoid editing this whitelist.
+    if name in ("brand.css", "strip.js", "favicon.svg", "og-card.png"):
+        return send_from_directory(STATIC, name)
+    if name.startswith("assets/"):
         return send_from_directory(STATIC, name)
     return ("not found", 404)