Publish Skill Protocol

• Trigger admin to save final content into content/published/.
• Generate a platform-specific publishing checklist step by step.
• Include metadata fields for follow-up performance tracking.
• The admin MUST create the file before answering.
• The admin MUST re-read the saved file and include the confirmed saved path in the response.
• If no file was actually written, the admin must report failure instead of claiming success.