Add EXPLAIN AST output for all 483 test queries#4

kyleconroy merged 1 commit intomainsqlc-dev/doubleclick:mainfrom

claude/save-explain-ast-output-018Lhr7fXbv9TJtcXUcnz6rnsqlc-dev/doubleclick:claude/save-explain-ast-output-018Lhr7fXbv9TJtcXUcnz6rnCopy head branch name to clipboard