version: "1.0.1" name: architecture description: "Enforce architectural rules when generating or modifying code. Defaults to clean architecture; supports any architecture style via the architecture-refiner. Validates layer responsibilities, dependency direction, and structural constraints using the loaded architecture rules. Use when generating code, reviewing architecture, creating new files, or when the user mentions 'architecture', 'layers', 'structure', 'dependency rules', 'hexagonal architecture', 'ports and adapters', 'modular monolith', or 'onion architecture'. Also use when reviewing generated code for structural compliance."

Architecture

Config Resolution

Step 1 — Determine mode:

1. Read .lattice/config.yaml in repo root
2. Check architecture_mode key

• If architecture_mode: custom → custom mode
• If absent, or other value → clean architecture mode (default)

Step 2 — Load enforce rule:

• Clean architecture mode → Read ./references/clean-architecture.md for enforce instruction (Self-Validation Checklist, Anti-Pattern Scan, Ambiguity Signals, structural principles)
• Custom mode → Read ./references/custom-architecture.md for enforce instruction

Step 3 — Load architecture content:

• Clean architecture mode:

1. Check paths.architecture in .lattice/config.yaml for custom doc
2. If found, read doc and check YAML frontmatter for mode:

• `mode: overlay`: Read ./references/clean-architecture-defaults.md first, then apply custom doc section on top. Section match by heading — custom section replace matching default, new section append.
• `mode: override`: Custom doc take full precedence. Must be comprehensive.

1. If no custom doc → read ./references/clean-architecture-defaults.md

• Custom mode:

1. Check paths.architecture in .lattice/config.yaml for team architecture doc
2. If found → read it. Sole reference — no default.
3. If not found → surface: "No architecture document found. Run /architecture-refiner and select your architecture style to define your team's standards."

Step 4 — Language adaptation:

If paths.language_idioms exist in config, read "Dependency Management" section and adapt dependency direction enforcement to language idioms (e.g., Go interface-at-consumer, Java DI containers, Rust trait bounds). Language idioms take precedence over pseudocode defaults.

Enforcement

STOP after generate each component. Read Self-Validation Checklist and Anti-Pattern Scan from loaded enforce rule (clean-architecture.md or custom-architecture.md) and apply.

Project-specific checks: If architecture content doc (loaded in Step 3) contains a Validation Checklist section (§6), apply those checks as additional project-specific validation after the enforce rule checklist.