diff --git a/.gitignore b/.gitignore
index 10ebea8..d59d839 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,6 @@
 # Build artifacts
 target/
 reviews/
-result*
-.direnv/
 
 # SQLite database files
 *.db
diff --git a/.mise.toml b/.mise.toml
index d0dfadd..3d88536 100644
--- a/.mise.toml
+++ b/.mise.toml
@@ -9,6 +9,7 @@ prek = "latest"
 shellcheck = "latest"
 flyctl = "latest"
 "aqua:mvdan/sh" = "latest"
+"npm:oxfmt" = "latest"
 
 [env]
 SQLX_OFFLINE = "false"
diff --git a/CLAUDE.md b/CLAUDE.md
index 829aad5..376f5b3 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -11,7 +11,7 @@ prek run -av                      # All lints, tests, formatters
 cargo build                       # Build
 cargo test                        # Tests
 cargo clippy --allow-dirty --fix  # Lint + auto-fix
-nix fmt                           # Format
+mise run fmt                      # Format
 sqlx migrate add <name>           # New migration → migrations/NNNN_<name>.sql
 ```