feat(wfe-yaml): add workflow step type, cross-ref validation, cycle detection

Compiler dispatches type: workflow to SubWorkflowStep. Validation
detects circular workflow references via DFS with coloring. Cross-
workflow reference checking for multi-workflow files. Duplicate
workflow ID detection. 28 edge case tests for validation paths.
This commit is contained in:
2026-03-26 14:14:39 +00:00
parent 821ef2f570
commit bf252c51f0
4 changed files with 1555 additions and 44 deletions

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