amazon-jp-url-cleaner. Amazon.co.jp の商品URLを /dp/ASIN に正規化し、トラッキングパラメータを削除。必要に応じて許可したクエリ（例: tag）のみ保持。SPA遷移・History API・リンククリックをフックして常にクリーンなURLを維持。Tampermonkey/Violentmonkey対応。

Problem

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Audience

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Market

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Pricing

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.