12-task TDD implementation plan covering:
- MapOrdinal interface and binary method overrides
- ColumnDropTransformer and JdeDateTransformer ordinal mapping
- JDE date validation with 1900-01-01 sentinel
- Column rename collision detection
- SqlScriptRunner parameters support
- CommonScripts with ParseTableName and QUOTENAME
- Destination command timeouts
- Column mapping with destination schema intersection
- EtlPipelineBuilder.WithCommandTimeout validation
- Full test suite verification
- Codex MCP final review
Joseph Doherty