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Implemented a warning system to guide users toward using smart parameters (branch="true"/"false" for If nodes, case=N for Switch nodes) instead of sourceIndex, which can lead to incorrect branch routing. Changes: - Added warnings property to WorkflowDiffResult interface - Warnings generated when sourceIndex used with If/Switch nodes - Enhanced tool documentation with CRITICAL pitfalls - Added regression tests reproducing issue #360 - Version bump to 2.22.1 The branch parameter functionality works correctly - this fix adds helpful warnings to prevent users from accidentally using the less intuitive sourceIndex parameter. Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>