fix(mcp-common): classify upstream 4xx errors correctly instead of returning 500#294

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irvinebroque wants to merge 7 commits intomainfrom

fix/5xx-error-classification

Commits on Feb 22, 2026

fix(mcp-common): classify upstream 4xx errors correctly instead of returning 500
irvinebroque
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fix: address lint warnings (empty catch blocks, unused import)
irvinebroque
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fix(mcp-common): upstream 5xx→502 in fetchCloudflareApi, reportToSentry on all errors
irvinebroque
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style: fix prettier formatting (import order, line length)
irvinebroque
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fix(mcp-common): harden error handling — reportToSentry, info leakage, parse ordering
irvinebroque
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fix(mcp-common): return OAuth 2.1 spec-compliant JSON error responses
irvinebroque
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style: fix prettier formatting
irvinebroque
committed