chore: ignore local Codex hooks

Author: ch-liuzhide

.codex/hooks.json

@@ -58,4 +58,7 @@ eval/workdirs/
 models/BAAI/bge-m3
 models/BAAI/bge-large-en-v1.5
 .research/
-.playwright-mcp/
+.playwright-mcp/
+
+# Local Codex hooks
+.codex/hooks.json