Task: Implement a Secure OAuth 2.0 Token Endpoint with HTTP Method Enforcement

Task: Implement a Secure OAuth 2.0 Token Endpoint with HTTP Method Enforcement: a task in Terminal-Lego-15k (Harbor dataset). The OAuth 2.0 specification (RFC 6749, Section 3.2) states that clients MUST use the HTTP "POST" method when making access token requests. However, some implementations…