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3 sequence diagrams (create command dispatch, GitHub+C3.x pipeline with all 5 stages, MCP dual-path invocation), 2 activity diagrams (source detection in correct code order, enhancement level flag mapping), and 1 component diagram with corrected runtime dependency arrows. All diagrams cross-referenced against source code for accuracy. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>