Plan-Issue Skill Use This Skill When - The user asks to plan implementation. - The user asks for scope, sequencing, risks, or rollout strategy. - The task is non-trivial and would change files, infra, or workflows. Proactive Trigger Matrix Use proactively when any of these apply: - New feature implementation with non-obvious design choices. - Multiple valid approaches exist and tradeoff selection matters. - Changes are likely to touch more than 2-3 files. - Existing behavior/architecture will change. - Requirements are partially unclear and need repo exploration first. - User preference mater…