diff --git a/.claude/settings.local.json b/.claude/settings.local.json
deleted file mode 100644
index f1e199a..0000000
--- a/.claude/settings.local.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "permissions": {
-    "allow": [
-      "Bash(Get-ChildItem -Path \"C:\\\\Users\\\\catos\\\\UnityTowerDefense\\\\Assets\\\\Scripts\" -Recurse -File -Filter \"*.cs\")",
-      "Bash(Select-Object -ExpandProperty FullName)",
-      "Bash(powershell -Command \"Get-ChildItem -Recurse -Path 'C:\\\\Users\\\\catos\\\\UnityTowerDefense\\\\Assets\\\\_Project\\\\Scripts' -Filter '*.cs' | Select-String -Pattern 'class LevelData' | Select-Object -First 5\")",
-      "Bash(xargs grep -l \"namespace TD.Levels\")",
-      "WebFetch(domain:assetstore.unity.com)"
-    ]
-  }
-}
diff --git a/.gitattributes b/.gitattributes
index 0797e57..25f9647 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -10,6 +10,7 @@
 *.png filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.fbx filter=lfs diff=lfs merge=lfs -text
+*.FBX filter=lfs diff=lfs merge=lfs -text
 *.obj filter=lfs diff=lfs merge=lfs -text
 *.blend filter=lfs diff=lfs merge=lfs -text
 *.wav filter=lfs diff=lfs merge=lfs -text
diff --git a/.gitignore b/.gitignore
index 7b1c558..f6328be 100644
--- a/.gitignore
+++ b/.gitignore
@@ -108,3 +108,12 @@ InitTestScene*.unity*
 /LinuxBuilds
 /WindowsBuilds
 UnityTowerDefense_BurstDebugInformation_DoNotShip/Data/Plugins/lib_burst_generated.txt
+
+# macOS finder metadata
+.DS_Store
+
+# Local Claude Code settings (per-user, not shared)
+.claude/settings.local.json
+
+# VS Code editor settings
+.vscode/