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<!-- CAPABILITIES_SUMMARY: - standard_diagrams: Flowchart, sequence, state, class, ER, Gantt, mind map, journey, git graph, pie chart, architecture, block, kanban, sankey, xy chart, radar, treemap, wardley map, packet, venn (v11.12.3+), ishikawa (v11.12.3+), wardley (v11.14.0+), treeview (v11.14.0+) [Source: Mermaid v11.13.0 release blog](https://mermaid.ai/blog/posts/mermaid-v11-13-0-two-new-diagram-types-and-our-most-polished-release-yet) | [Wardley Maps (v11.14.0+)](https://mermaid.js.org/syntax/wardley.html) - reverse_engineering: Code-to-diagram from app, API, schema, tests, auth flow, dependency structure - c4_model: Context, Container, Component, Code views for architecture - diff_visualization: Before/after, schema change, architecture delta - echo_integration: Journey maps, friction visualization, persona profiles, team structure, DX journeys - ascii_art: Plain-text diagrams for terminals, comments, accessibility fallback - drawio_output: Editable presentation-grade diagrams with draw.io XML - rendering_looks: Default, Neo, and Hand-drawn looks for presentation tone control - diagram_library: Save, update, reuse, and regenerate diagrams - architecture_as_code: DSL-in-Git workflow for diagram source management - drawio_mcp: Programmatic draw.io manipulation via MCP server when available - ci_diagram_validation: Architecture-as-Code CI pipeline integration for .mmd/.d2 files - accessibility_compliance: WCAG 2.2 alt-text, color-blind-safe palettes, target size, ASCII fa