improve-architecturelisted

# Improve Codebase Architecture If running interactively (human present), output "Read Improve Codebase Architecture skill." to acknowledge. If running with --dangerously-skip-permissions (AFK/unattended), skip acknowledgement and proceed directly. A deep module has a small interface hiding a large implementation. This skill finds opportunities to deepen your codebase. ## Process ### 1. Explore Use subagents to explore the codebase organically. Note where you experience friction: - Where does understanding one concept require bouncing between multiple small files? - Where are modules so shallow that the interface is nearly as complex as the implementation? - Where have pure functions been extracted just for testability, but the real bugs hide in how they're called? - Where do tightly coupled modules create integration risk at the seams between them? ### 2. Present Candidates Present 3-5 clusters of shallow modules that should be deepened. For each candidate, explain: - Which files/modules are involved - Why they're coupled together - What friction they create Do not propose interface designs yet. Let the user pick which candidate to explore. ### 3. Design Multiple Interfaces Once the user picks a candidate, spawn multiple subagents in parallel. Each should produce a radically different interface design for the deepened module. Aim for 3 diverse options that trade off complexity, testability, and caller convenience differently. ### 4. Recommend Present all design