diff --git a/elp/src/elp.elh b/elp/src/elp.elh
index ab8a621..8941cf9 100644
--- a/elp/src/elp.elh
+++ b/elp/src/elp.elh
@@ -1,4 +1,4 @@
-// auto-generated by elc --emit-header — do not edit
+// auto-generated by elc --emit-header - do not edit
 extern fn sem_get(json: String, key: String) -> String
 extern fn generate_frame(frame: Any) -> String
 extern fn generate_frame_lang(frame: Any, lang_code: String) -> String
diff --git a/lang/runtime/json.el b/lang/runtime/json.el
index c1b7ba7..9eccaab 100644
--- a/lang/runtime/json.el
+++ b/lang/runtime/json.el
@@ -84,10 +84,10 @@ fn json_get_float(json: String, key: String) -> Float {
 }
 
 // json_get_bool — extract a boolean value for a key.
-// Returns true only when the raw JSON token is the literal "true".
+// Accepts "true" or "1" as truthy (UI sends integer 1, JSON spec uses true).
 fn json_get_bool(json: String, key: String) -> Bool {
     let s: String = __json_get(json, key)
-    return str_eq(s, "true")
+    return str_eq(s, "true") || str_eq(s, "1")
 }
 
 // ---------------------------------------------------------------------------