Remove inconsistent headers in RemoveBodyMiddleware and ContentLengthMiddleware

[vjik]

Q	A
Is bugfix?	✔️
New feature?	✔️
Breaks BC?	❌
Tests pass?	✔️
Fix #29

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (2d05f7a) to head (93c7bb7).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##              master       #30   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
- Complexity       112       116    +4     
===========================================
  Files             23        23           
  Lines            274       282    +8     
===========================================
+ Hits             274       282    +8     

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[Copilot]

Pull request overview

This PR addresses RFC 9110 compliance gaps around entity/body-related headers on responses that must not include a message body (notably 1xx/204/205), fixing issue #29 and extending middleware configurability to control header removal behavior.

Changes:

• RemoveBodyMiddleware now removes Content-Length and Transfer-Encoding when it strips the response body (with a default exception for 304).
• ContentLengthMiddleware now removes an already-present Content-Length for status codes that must not include it.
• Adds/updates tests, documentation, and changelog entries to cover the new behavior and configuration.

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
src/RemoveBodyMiddleware.php	Removes body-describing headers when stripping bodies; adds config for keeping/removing headers by status code.
src/ContentLengthMiddleware.php	Adds configurable removal of pre-existing Content-Length on disallowed status codes.
tests/RemoveBodyMiddlewareTest.php	Adds tests for header removal defaults and customization.
tests/ContentLengthMiddlewareTest.php	Adds tests for removing pre-existing Content-Length on disallowed status codes and customization.
docs/guide/en/remove-body-middleware.md	Documents new header-removal behavior and new constructor parameters.
docs/guide/en/content-length-middleware.md	Documents new removeOnStatusCode behavior and defaults.
CHANGELOG.md	Records the new parameters and bugfix behavior under 1.2.2.

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[Copilot]

Pull request overview

Copilot reviewed 7 out of 7 changed files in this pull request and generated no new comments.