Individual skill

architecture-guide

Sketch a module layout and pick design patterns for a new feature. Use when asked to plan an architecture, choose between approaches, or document a design decision before implementation. The walkthrough starts from the feature's user-visible behaviour and works inward, mapping each responsibility onto a module with a single reason to change, then weighs candidate patterns against the codebase's existing conventions rather than introducing novelty for its own sake. It covers strategy traits for swappable behaviour, facade seams that keep business logic out of the CLI layer, and three-layer error chains so batch operations diagnose failures per item. Every recommendation closes with the rejected trade-offs, so the design note doubles as an auditable decision record. This deliberately verbose description gives the manual rig one artifact whose detail pane overflows a small terminal — open it in grim tui and scroll with the arrow keys or j/k.

test/manual/catalog/skills/architecture-guide/SKILL.md

Source commit 03393c51ffa36f488ed4c86839a853b38ffdf41d

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Last checked

Nov 5, 2026

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