Add Arazzo workflow evidence

[SonAIengine]

Summary

• ingest Arazzo 1.0/1.1 workflows, dependencies, and runtime expressions
• apply deterministic call-order and response-to-request binding evidence to tool graphs
• expose workflow sources through collection artifacts, CLI, planner, and execution-flow diagnostics
• document the workflow evidence contract in English and Korean

Validation

• make release-check
• 1280 passed, 3 skipped
• Ruff and format checks passed
• wheel/sdist, twine, public wheel, and example smoke checks passed
• 1,133-tool XGEN snapshot replay with a 30-step workflow passed apply/serialize/restore checks