refactor(test): reserve snapshots for session recordings

vitest.e2e.config.ts

@@ -43,6 +43,7 @@ export default defineConfig({
     // apps/cli only, not apps/*: apps/web/tests/*.e2e.ts needs the built
     // frontend dist and runs under vitest.web.config.ts (the test:web job).
     include: ['packages/*/*/tests/**/*.e2e.ts', 'apps/cli/tests/**/*.e2e.ts', 'examples/*/tests/**/*.e2e.ts'],
+    exclude: ['**/*.golden.e2e.ts'],
     // Real model calls: generous timeouts, and retries for transient flakes
     // (the shared internal key hits concurrency quotas). No coverage — the
     // unit suites own the coverage gate.