[deep-report] Restore GitHub MCP toolset availability for remote auth-test workflow

[github-actions]

Description

The GitHub Remote MCP auth-test reported that toolsets (repos/issues/discussions) were not loaded in the runner, blocking GitHub data access. Update the workflow configuration to ensure toolsets load reliably (verify remote MCP initialization) and add a local-mode fallback if remote mode fails.

Expected Impact

Unblocks MCP-based GitHub data access in workflows and prevents auth-test failures.

Suggested Agent

MCP Infrastructure Agent

Estimated Effort

Quick (< 1 hour)

Data Source

DeepReport Intelligence Briefing 2026-01-28; Auth-test discussion #12242

AI generated by DeepReport - Intelligence Gathering Agent

[github-actions]

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