fix: bind_customer env=ServerEnv()→request._run_ns

discount/init.py

@@ -623,7 +623,7 @@ async def bind_customer(request, params_kw):
     """Bind customer to reseller+sale via promo code (called during registration/login).
     First-time binding only. Update discounts if new ones are lower.
     params_kw may contain 'customerid' to override current user's orgid (for registration flow)."""
-    env = ServerEnv()
+    env = request._run_ns
     dbname = env.get_module_dbname('discount')
     config = getConfig()
     db = DBPools()