Brief to plan

Turn a written brief into a checked .arch floor plan. Every step is a CLI call; never judge the plan from the SVG markup. If archlang is not on the path, write npx -y @chanmeng666/archlang in its place. Never run a bare arch: on Linux, macOS and Git Bash that name is the coreutils command.

This skill is a workflow, not a language reference. The language is whatever archlang spec prints.

Scope

• Run the archlang CLI commands below and no other program.
• Write one new plan file, plan.arch here or the name the user gives, in the user's working directory, plus the drawings the CLI renders beside it. If a file of that name already exists, ask the user before replacing it.
• The user's explicit instructions take priority over these steps.

Steps