impl
Implements features and writes code based on Plans.md tasks. Use when user mentions 実装, implement, 機能追加, コードを書いて, 機能を作って, feature, coding, 新機能, implementing functions, classes, or features, 新しい関数. Do not use for review or build verification.
executing-plans
Use when you have a written implementation plan to execute in a separate session with review checkpoints
technical-implementation
Execute implementation plans using strict TDD workflow with quality gates. Fifth phase of research-discussion-specification-plan-implement-review workflow. Use when: (1) Implementing a plan from docs/workflow/planning/{topic}.md, (2) User says 'implement', 'build', or 'code this' after planning, (3) Ad hoc coding that should follow TDD and quality standards, (4) Bug fixes or features benefiting from structured implementation. Writes tests first, implements to pass, commits frequently, stops for user approval between phases.
xdg-base-directory
When an application needs to store config, data, cache, or state files. When designing where user-specific files should live. When code writes to ~/.appname or hardcoded home paths. When implementing cross-platform file storage with platformdirs.
