diff --git a/scripts/l3b_agent_stub.py b/scripts/l3b_agent_stub.py
index 7eda0b3..bf1c93f 100755
--- a/scripts/l3b_agent_stub.py
+++ b/scripts/l3b_agent_stub.py
@@ -62,11 +62,12 @@ def render_contract(stack: str) -> str:
     )
 
 
-def read_issue_body(argv: list) -> str:
-    """Read issue body from argv[1] or stdin. Empty -> error."""
-    if len(argv) >= 2 and argv[1].strip():
-        return argv[1]
-    # Fall back to stdin if argv[1] is absent or empty.
+def read_issue_body(args: list) -> str:
+    """Read issue body from args[0] (already-stripped argv, no script name)
+    or stdin. Empty -> error."""
+    if len(args) >= 1 and args[0].strip():
+        return args[0]
+    # Fall back to stdin if argv body is absent or empty.
     if not sys.stdin.isatty():
         data = sys.stdin.read()
         if data.strip():