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app.py

@@ -16,6 +16,10 @@ import model
 
 APP_DIR = os.path.dirname(os.path.abspath(__file__))
 STATIC = os.path.join(APP_DIR, "static")
+# Shared kit-wide assets live in gliner2.5-demo-kit/assets/. Demo-local overrides
+# can be dropped in demos/<name>/static/assets/ and win over shared files of the
+# same name. URL space is the same: GET /assets/<rel>.
+KIT_ASSETS = os.path.abspath(os.path.join(APP_DIR, "..", "..", "assets"))
 
 _LOCK = threading.Lock()  # one inference at a time: CPU threads beat concurrency
 
@@ -33,12 +37,19 @@ def index():
 
 @app.route("/<path:name>")
 def static_file(name):
-    # Shared chrome + demo assets. Anything in static/assets/ is served; keep
-    # user-added images there to avoid editing this whitelist.
+    # Shared chrome + demo assets. Anything in static/assets/ is served from the
+    # demo-local dir first; falls back to kit-root assets/ for shared files.
     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)
+        rel = name[len("assets/"):]
+        demo_local = os.path.join(STATIC, "assets", rel)
+        if os.path.isfile(demo_local):
+            return send_from_directory(os.path.join(STATIC, "assets"), rel)
+        kit_shared = os.path.join(KIT_ASSETS, rel)
+        if os.path.isfile(kit_shared):
+            return send_from_directory(KIT_ASSETS, rel)
+        return ("not found", 404)
     return ("not found", 404)