diff --git a/.gitignore b/.gitignore
index 278f7af..01eb5e5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,3 +38,6 @@ htmlcov/
 
 # Claude Code — settings.json IS committed (team-wide); only personal overrides ignored
 .claude/settings.local.json
+
+# Generated wiki index (regenerated by `codex wiki compile`; concepts.yaml is the source)
+wiki/index.md