🔧 chore(config): add claude local settings file

- create .claude/settings.local.json with command permissions configuration
- allow common npm scripts for type checking, linting, formatting and testing
- restrict command execution to predefined safe operations only

.claude/settings.local.json

@@ -0,0 +1,16 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(npm run typecheck)",
+      "Bash(npm run lint)",
+      "Bash(npm run prettier)",
+      "Bash(npx eslint:*)",
+      "Bash(npm run test)",
+      "Bash(npm run build)",
+      "Bash(npm test:*)",
+      "Bash(npx vitest:*)"
+    ],
+    "deny": [],
+    "ask": []
+  }
+}