Fix newly reported PHPStan errors

[swissspidy]

Summary by CodeRabbit

• Bug Fixes
  • Improved JSON request handling by providing the content type in the expected format.
  • Ensured JSON payloads are correctly identified by the receiving service.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 5684f898-eb32-431f-a5a7-e2f0a60d6078

📥 Commits

Reviewing files that changed from the base of the PR and between d9d5b36 and 002707b.

📒 Files selected for processing (1)

• src/JsonSchemaExtractor.php

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📝 Walkthrough

Walkthrough

The change updates remote_get to pass the JSON content type as an associative Content-Type header.

Changes

JSON request header

Layer / File(s)	Summary
Request header format src/JsonSchemaExtractor.php	remote_get now maps Content-Type to application/json in the request header.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Suggested reviewers: copilot, brianhenryie

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the change as a fix for newly reported PHPStan errors.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Create stacked PR
• Commit on current branch

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/phpstan

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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[Copilot]

Pull request overview

This PR addresses a newly reported PHPStan type issue in the JSON schema downloader by adjusting how HTTP headers are passed to WP-CLI’s HTTP utility.

Changes:

• Pass request headers as an associative array (array<string,string>) instead of a numeric list of header strings.
• Normalize the Content-Type header name casing while doing so.

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