chore(lint): exclude .claude tooling from eslint

The merged .claude/skills/implement/driver.mjs is a Node ESM script that
uses console/process; the flat config gives it no Node globals, so eslint
flags no-undef. It is tooling, not project source — ignore .claude/**.

Author: crs48

eslint.config.js

@@ -6,6 +6,7 @@ export default tseslint.config(
     ignores: [
       "dist/**",
       "node_modules/**",
+      ".claude/**",
       ".opencode/**",
       ".playwright-cli/**",
       "playwright-report/**",