From 73f1c355fe052e2a793c3f0e37269e1733db13b6 Mon Sep 17 00:00:00 2001
From: Loic Coenen <loic@visua.com>
Date: Fri, 1 May 2026 23:31:24 +0000
Subject: [PATCH] fix: add null check for clip buffer in reset clip command

Co-authored-by: aider (deepseek/deepseek-coder) <aider@aider.chat>
---
 engine.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/engine.c b/engine.c
index 826f2db..ec7dcb9 100644
--- a/engine.c
+++ b/engine.c
@@ -364,6 +364,7 @@ void engine_process_commands(Engine *engine) {
             case CMD_RESET_CLIP: {
                 if (cmd.index < 0 || cmd.index >= MAX_CLIPS) break;
                 Clip *clip = &engine->clips[cmd.index];
+                if (!clip->buffer) break;  // ADD THIS - prevent segfault on freed buffer
                 
                 // Record undo action
                 UndoAction action;