From b99246b7fe2643c395b344ded373d91cff118b50 Mon Sep 17 00:00:00 2001
From: Cursor Agent <cursoragent@cursor.com>
Date: Tue, 22 Sep 2026 22:00:40 +0000
Subject: [PATCH] fix(ops): hash diagnostic keys without DefaultHasher::new

Replace DefaultHasher in diagnostic_key with a simple byte fold to
satisfy DeepSource RS-W1079 (avoid DefaultHasher::new for non-crypto
hashing).

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 src/daemon.rs | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/daemon.rs b/src/daemon.rs
index 8179989..078850b 100644
--- a/src/daemon.rs
+++ b/src/daemon.rs
@@ -799,11 +799,9 @@ impl OccurrenceLimiter {
 }
 
 fn diagnostic_key(message: &str) -> u64 {
-    use std::collections::hash_map::DefaultHasher;
-    use std::hash::{Hash, Hasher};
-    let mut hasher = DefaultHasher::new();
-    message.hash(&mut hasher);
-    hasher.finish()
+    message.bytes().fold(0u64, |hash, byte| {
+        hash.wrapping_mul(31).wrapping_add(u64::from(byte))
+    })
 }
 
 #[derive(Debug)]