Diagrams

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Mermaid sources (.mmd) and exported SVGs for OmniRoute v3.8.0 architecture flows.

Canonical diagrams

Source	Exported	Used in
request-pipeline.mmd	SVG	docs/architecture/ARCHITECTURE.md, docs/architecture/CODEBASE_DOCUMENTATION.md
auto-combo-scoring.mmd	SVG	docs/routing/AUTO-COMBO.md
resilience-3layers.mmd	SVG	docs/architecture/RESILIENCE_GUIDE.md, CLAUDE.md
i18n-flow.mmd	SVG	docs/guides/I18N.md
mcp-tools.mmd	SVG	docs/frameworks/MCP-SERVER.md
cloud-agent-flow.mmd	SVG	docs/frameworks/CLOUD_AGENT.md
authz-pipeline.mmd	SVG	docs/architecture/AUTHZ_GUIDE.md
db-schema-overview.mmd	SVG	docs/architecture/CODEBASE_DOCUMENTATION.md

Hand-authored animated diagrams

Not every diagram comes from a .mmd source. Hand-authored SVGs live at this directory’s root and animate with SMIL only (no JS, no external fonts), so they play inside GitHub’s <img> sandbox:

File	Used in	Notes
tier-cascade.svg	README.md (root)	Animated 4-tier auto-fallback cascade (16s loop, 4 acts). Edit the SVG directly — there is no .mmd source.
pool-fair-share.svg	— (unused)	Animated key-pool fair-share quota (generous → strict, 16s loop). Edit the SVG directly — there is no .mmd source.
combo-always-on.svg	style reference	Animated priority-combo fallback (4 layers, 16s loop). Edit the SVG directly — there is no .mmd source.
cli-terminal.svg	README.md (root)	Compact half-height animated terminal (1200×350): 3 real CLI commands cycling with typewriter + scrolling subcommand ticker; first frame = completed providers screen. Edit the SVG directly — there is no .mmd source.
compression-pipeline.svg	README.md (root)	Animated 12-engine compression funnel (8s loop). Edit the SVG directly — there is no .mmd source.
free-tier-budget.svg	README.md (root)	Animated free-tier budget card (~1.62B/mo quantified headline, 17-pool + Groq-caps budget bar, per-pool grid, signup credits, 10s loop). Edit the SVG directly — there is no .mmd source.
readme-hero.svg	README.md (root)	Animated hero card (tagline, live provider/free-access headline, full-width compression bar demo, 6 stat chips). Edit the SVG directly — there is no .mmd source.
promise-pillars.svg	README.md (root)	Animated “The Promise” 6-pillar card (12s border-highlight sweep). Edit the SVG directly — there is no .mmd source.
why-pain-fix.svg	README.md (root)	Animated “Why OmniRoute” 10-row pain-vs-fix ledger (15s green row sweep). Edit the SVG directly — there is no .mmd source.
strategies-grid.svg	README.md (root)	Animated grid illustrating 18 of the 19 routing strategies; cache-optimized remains documented in the adjacent table. Edit the SVG directly — there is no .mmd source.
privacy-local.svg	README.md (root)	Animated “Private & Local-First” 11-row guarantee ledger with receipt chips (16s green row sweep). Edit the SVG directly — there is no .mmd source.
resilience-layers.svg	README.md (root)	Animated 3-layer resilience card (breaker states CLOSED→OPEN→HALF-OPEN, key cooldown with ×2 backoff, model lockout — 18s loops). Edit the SVG directly — there is no .mmd source.

How to update

1. Edit *.mmd.
2. Re-render: npm run docs:render-diagrams (uses @mermaid-js/mermaid-cli).
3. Commit both .mmd and .svg.

If @mermaid-js/mermaid-cli is not available locally, install it once:

npm install -g @mermaid-js/mermaid-cli

The script renders every .mmd in docs/diagrams/ into docs/diagrams/exported/*.svg with a white background, suitable for both dark and light themes.

Linking from a doc

From a doc in docs/<subfolder>/, the relative path becomes ../diagrams/...:

![Request pipeline](../diagrams/exported/request-pipeline.svg)

> Source: [../diagrams/request-pipeline.mmd](../diagrams/request-pipeline.mmd)

From the repo root (e.g. CLAUDE.md):

![Resilience layers](./exported/resilience-3layers.svg)

Conventions

• One concept per diagram. Don’t try to fit the whole platform in one chart.
• Keep node labels short (3-6 words). Use <br/> for line breaks inside nodes.
• Prefer flowchart LR for pipelines and flowchart TB for layered models.
• Use sequenceDiagram for interactive (request/response) flows.
• Use erDiagram for database schema overviews.
• Update both .mmd and .svg in the same commit. Keep them in lock-step.

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