chore: release v4.1.1

[jcouball]

🤖 I have created a release beep boop

4.1.1 (2026-08-31)

Other Changes

• Characterize validation ordering when unknown and invalid options are given together (#192) (15d6e06)
• Collapse encoding validators and clarify capture-redirection assembly (#194) (bab8610)
• Contribute subclass redirections via an internal_redirections hook (#190) (8ecbda5)
• Derive the process-group isolation decision from a single source (#191) (5d8ac7d)
• Describe every source of MonitoredPipe#exception (#193) (333b7bd)
• Extract shared validate! from Options::Base#initialize and #merge! (#192) (422956a)
• Remove the release-as 4.1.0 override from the release-please config (65de5b8)
• Track opened pipes as per-call instance state instead of an out-parameter (#190) (f279f1e)

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This PR was generated with Release Please. See documentation.

[Copilot]

🟡 Changes recommended

The changelog introduces a duplicate 4.1.0 section and an invalid compare link (v4.1.0...v4.1.0), which should be corrected before release.

Once you've addressed the issues Copilot identified, you can request another Copilot review.

Pull request overview

Updates the project changelog as part of an automated Release Please cut for v4.1.0.

Changes:

• Adds a new 4.1.0 section to CHANGELOG.md with release notes and links.

File summaries

File	Description
CHANGELOG.md	Adds a new release entry for 4.1.0 (release notes + issue/commit links).

Review details

• Files reviewed: 1/1 changed files
• Comments generated: 1
• Review effort level: Lite

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[jcouball]

🤖 Created releases:

• v4.1.1

🌻