Fix: improve Java exception error messages with cause chain (legacy #250)#81

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HenryNebula wants to merge 3 commits intodevfrom

worktree-triage+80-informative-exceptions

Commits on Apr 28, 2026

Fix: improve Java exception error messages with cause chain (legacy #250)

HenryNebula
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claude
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Fix: make integration test database-agnostic

HenryNebula
and
claude
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Fix: make exception test work across all JDBC drivers

HenryNebula
and
claude
committed