[deep-report] Fix GitHub Remote MCP Authentication Test tool availability

[github-actions]

Description

The GitHub Remote MCP Authentication Test is failing because MCP tools (list_issues/get_repository) are not loaded in the runtime. Update the workflow/tool configuration to ensure the remote MCP toolsets are enabled (or add a local-mode fallback) before running the auth check.

Expected Impact

Restores the daily MCP auth test and prevents false-negative failures caused by missing toolsets.

Suggested Agent

MCP configuration agent or workflow maintainer

Estimated Effort

Quick (< 1 hour)

Data Source

DeepReport Intelligence Briefing - 2026-01-21 (discussion #10967)

AI generated by DeepReport - Intelligence Gathering Agent

[github-actions]

🍪 Issue Monster has assigned this to Copilot!

I've identified this issue as a good candidate for automated resolution (quick-win improvement) and assigned it to the Copilot agent.

Issue: Fix GitHub Remote MCP Authentication Test
Priority: Automation + Quick Win
Fix Area: MCP workflow configuration

The Copilot agent will analyze the issue and create a pull request with the fix.

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