Single part at the root, COMPOSE_FILE in .env

template/.claude/settings.json.jinja

@@ -0,0 +1,15 @@
+{
+  "hooks": {
+    "PostToolUse": [
+      {
+        "hooks": [
+          {
+            "command": "{% if layout == 'part' %}cd frontend && {% endif %}bun run fix --skip=correctness/noUnusedImports",
+            "type": "command"
+          }
+        ],
+        "matcher": "Write|Edit"
+      }
+    ]
+  }
+}