Scope

This docs set describes current behavior in capdag, tagged-urn-rs, and deployed site functions. When a docs statement conflicts with code, code wins.

Primary Sections

• URN Syntax: tagged URN grammar, canonicalization, CAP direction defaults.
• Matching: tagged URN truth table, CAP direction semantics, CAP-specific tag matching.
• Specificity: scoring rules and subsystem-specific tie behavior.
• Capability Schema: current JSON shape (args, sources, output).
• Validation Rules: RULE1..RULE12 and schema validation flow.
• Bifaci Protocol: Bifaci frame model and wire format.
• Runtime Hosting: plugin runtime, host runtime, relay switch behavior.
• Integration Recipes: end-to-end request and graph execution patterns.
• API Reference: deployed endpoints only.

Source Priority

1. capdag/src/**
2. tagged-urn-rs/src/**
3. capdag-dot-com/functions/**
4. capdag-dot-com/docs/**