From fa77d7c9694f8a30e7c964823292d4d776c4ac3a Mon Sep 17 00:00:00 2001
From: Chris Parsons <chrisparsons1127@gmail.com>
Date: Tue, 5 May 2026 14:02:19 -0700
Subject: [PATCH] Fix Stop hook loop: suppress output on typecheck success

The Stop hook was producing stdout on every run, causing Claude Code to
feed it back as context and rewake the model each turn. Now emits a
systemMessage JSON only on failure.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 .claude/settings.json | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.claude/settings.json b/.claude/settings.json
index 76caf3d..84465da 100644
--- a/.claude/settings.json
+++ b/.claude/settings.json
@@ -18,7 +18,8 @@
         "hooks": [
           {
             "type": "command",
-            "command": "npm run typecheck 2>&1"
+            "command": "output=$(npm run typecheck 2>&1); rc=$?; if [ $rc -ne 0 ]; then printf '{\"systemMessage\":\"TypeCheck failed:\\n%s\"}' \"$(echo \"$output\" | tail -30 | sed 's/\"/\\\\\"/g; s/$/\\\\n/' | tr -d '\\n')\"; fi",
+            "timeout": 60
           }
         ]
       }