Stop tracking .claude/ -- local tool config, not project source

launch.json is just the Browser preview tool's dev-server launch
config (command, port); nothing sensitive in it, but it never should
have been committed in the first place.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

.claude/launch.json

@@ -1,17 +0,0 @@
-{
-  "version": "0.0.1",
-  "configurations": [
-    {
-      "name": "frontend",
-      "runtimeExecutable": "npm",
-      "runtimeArgs": ["--prefix", "frontend", "run", "dev"],
-      "port": 5173
-    },
-    {
-      "name": "frontend-preview",
-      "runtimeExecutable": "npm",
-      "runtimeArgs": ["--prefix", "frontend", "run", "preview"],
-      "port": 4173
-    }
-  ]
-}

.gitignore

@@ -17,6 +17,7 @@ dist-ssr/
 ## Editors / OS
 .vscode/
 .idea/
+.claude/
 .DS_Store
 
 ## Test / coverage