diff --git a/.gitignore b/.gitignore
index 9162456..71925a2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,7 +23,16 @@ vite.config.js.timestamp-*
 vite.config.ts.timestamp-*
 # SQLite
 *.db
+*.db-shm
+*.db-wal
 
 # Pipeline artifacts
 prompts/
 docs/docs_cache_state.yaml
+
+# Tmp
+.tmp/
+
+# Claude Code — ignore local/machine-specific settings, keep project rules
+.claude/
+!.claude/rules/