Fix MCPEXP002 constant mismatch causing macOS Debug build failure - #1743

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jeffhandley with Copilot wants to merge 3 commits into

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copilot/fix-failing-build-macos

Commits on Jul 26, 2026

Initial plan
Copilot
authored
Add Extensibility diagnostic aliases and update new MCPEXP002 call sites

Copilot
and
jeffhandley
authored
Replace Subclassing_DiagnosticId/Url with Extensibility_DiagnosticId/Url throughout

Copilot
and
jeffhandley
authored