From ff09321eb1620952fd16f8b9cbeb6bee95fe2f77 Mon Sep 17 00:00:00 2001
From: kevin zhao <zhao@openai.com>
Date: Mon, 10 Nov 2025 22:49:42 -0800
Subject: [PATCH] updated error messaging to indicate type

---
 codex-rs/execpolicy2/src/parser.rs | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/codex-rs/execpolicy2/src/parser.rs b/codex-rs/execpolicy2/src/parser.rs
index c9df506cd5..1822f18b94 100644
--- a/codex-rs/execpolicy2/src/parser.rs
+++ b/codex-rs/execpolicy2/src/parser.rs
@@ -123,9 +123,10 @@ fn parse_pattern_token<'v>(value: Value<'v>) -> Result<PatternToken> {
             _ => Ok(PatternToken::Alts(tokens)),
         }
     } else {
-        Err(Error::InvalidPattern(
-            "pattern element must be a string or list of strings".to_string(),
-        ))
+        Err(Error::InvalidPattern(format!(
+            "pattern element must be a string or list of strings (got {})",
+            value.get_type()
+        )))
     }
 }