fix(wiki-sync): use single x-access-token auth path

[davida-ps]

User description

Opener Type

• Human
• Agent (automated)

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Summary

Changes Made

Related Issues

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Type of Change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update
• Security incident (please open a Security Incident Report issue instead of a PR)

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Testing

Checklist

• My code follows the project's style guidelines
• I have performed a self-review of my changes
• I have added tests that prove my fix/feature works
• New and existing tests pass locally

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Generated description

Below is a concise technical summary of the changes proposed in this PR:
Updates the wiki synchronization workflow to use a unified x-access-token authentication path for Git operations. Enhances the validation logic for the AUTOMATION_TOKEN by checking repository permissions and handling specific GitHub API error codes.

Topic	Details
Auth Simplification	Simplifies Git authentication by using x-access-token instead of dynamically resolving the token owner's login via the GitHub API. Modified files (1) .github/workflows/wiki-sync.yml Latest Contributors(1) User Commit Date [email protected] Codex-main-synced-wiki... February 25, 2026
API Error Handling	Implements robust error handling for token validation, including specific checks for 401 (unauthorized) and 404 (not found) status codes from the repository API. Modified files (1) .github/workflows/wiki-sync.yml Latest Contributors(1) User Commit Date [email protected] Codex-main-synced-wiki... February 25, 2026

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