skill-templatelisted

# Skill Title <!-- Keep this file under 500 lines. Move deep material into references/ (one level deep). --> ## When to use - Trigger phrase or situation 1 (e.g. "the user asks to optimize a slow query") - Trigger phrase or situation 2 - Do NOT use when: <cases another skill handles better> ## Workflow Copy this checklist and track progress: ``` - [ ] Step 1 - [ ] Step 2 - [ ] Step 3 ``` 1. **Step 1** — what to do and why it matters. 2. **Step 2** — ... 3. **Step 3** — validate the result before finishing. ## Patterns Show the preferred approach with a short, concrete example. Prefer one good default over listing many options. ```sql -- example ``` ## Common pitfalls - Pitfall and the correct alternative. - Pitfall and the correct alternative. ## References - [Deep-dive reference](references/REFERENCE.md)