Document canopen PR #613 flaw + add GitHub URL fetching to chatbot#1

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Copilot wants to merge 3 commits intomainfrom

copilot/fix-issues-607-613

Commits on Mar 12, 2026

Initial plan
Copilot
committed
Add fetch_url_content_tool for GitHub issues/PR answering capability

Copilot
and
younisalazzeh
committed
Document PR #613 flaw: incomplete range check misses RPDO com records 0x1400-0x15FF

Copilot
and
younisalazzeh
committed