- Add e2e_http_post_and_headers: Full POST request with headers test
- Verify client POST with body data ('DATA')
- Server reads request body and responds with custom status (201)
- Custom headers (X-Test: V) properly set and retrieved
- Complete request/response cycle validation: '201:V:R' ✅
- All 4 HTTP plugin tests passing
HTTP POSTとヘッダー操作のE2Eテスト追加
- POSTリクエストのボディ送受信確認
- カスタムステータスコード(201 Created)
- HTTPヘッダーの設定と取得
- 完全なHTTPプロトコル機能の検証
🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>