fix(review): address CodeRabbit review feedback

- Guard prepare script for Docker builds without .git
- Add pre-push hook for heavier quality gates (typecheck/test/build)
- Pin drizzle-orm version in scripts/package.json
- Add E2E_SMOKE_ALLOW_WRITE opt-in guard via e2eEnv abstraction
- Create @household/config env-e2e.ts using same t3-env + zod pattern
- Make e2e teardown robust with optional chaining + allSettled
- Fix markdown code block language identifier (MD040)
- Fix CI integration docs to reflect actual workflow

lefthook.yml

@@ -9,3 +9,13 @@ pre-commit:
     lint:
       glob: '*.{ts,tsx,js,jsx}'
       run: bun run lint
+
+pre-push:
+  parallel: true
+  commands:
+    typecheck:
+      run: bun run typecheck
+    test:
+      run: bun run test
+    build:
+      run: bun run build