Change the sender profile's LinkedIn sync settings on gtm-api: window replaces the weekly hours, intervals a sync's interval in minutes (its floor or longer, at most 10080; null = the default); a field left out keeps its value. Answers the settings after the write. An interval below the floor is 422 on its field. Refusals in error.context.reason: 403 gtm_scope_missing, 409 sender_profile_has_no_linkedin, 429 gtm_busy, 503 gtm_unavailable.

Contract:

• MCP tool update_sender_profile_linkedin_sync, registry package mcp.unibox/sender_profiles, mount unibox.sender-profiles.
• Operation action, response envelope action.
• Flags: none.