feat: classify connection failures into actionable tool errors (#266)#339

Merged

tianzhou merged 9 commits into

mainfrom

feat/connection-error-classification-266

Jun 23, 2026

Commits on Jun 23, 2026

feat: add connection-failure error classifier (#266)
tianzhou
committed
feat: mark SSH tunnel establishment failures for classification (#266)
tianzhou
committed
feat: classify connection failures in execute_sql (#266)

tianzhou
and
claude
committed
refactor: extract tryClassifyConnectionError helper (#266)
tianzhou
committed
feat: classify connection failures in search_objects (#266)
tianzhou
committed
feat: classify connection failures in custom tools (#266)
tianzhou
committed
harden: defensive classify helper + extra mysql/mariadb auth errno (#266)

tianzhou
and
claude
committed
simplify: drop dead ?? [] fallback on exhaustive AUTH_CODES record (#266)

tianzhou
and
claude
committed
fix: generalize SOURCE_UNREACHABLE message to match all network codes (#266)

tianzhou
and
claude
committed