--- /dev/null
+---
+agent: build
+description: Commit changes with a concise and precise message
+---
+
+# Commit Command
+
+Create well-structured commits following Conventional Commits format.
+
+## Workflow
+
+1. **Analyze changes**
+ - Run: `git status`, `git diff --cached`, `git diff`, `git log -5 --oneline`
+ - Stage needed files with `git add`
+ - Exclude secrets and generated/large artifacts
+
+2. **Craft message** following format below
+
+3. **Confirm and commit**
+ - Show proposed message and ask confirmation
+ - Run: `git commit -m "<message>"` then `git status`
+ - Do not commit without confirmation
+ - Do not force push or amend unless requested
+ - If a hook fails, report and suggest fixes
+
+## Message Format
+
+**Structure**: `<type>(<scope>): <summary>`
+
+**Type** (required):
+
+- `feat`, `fix`, `refactor`, `perf`, `docs`, `style`, `test`, `chore`, `ci`,
+ `build`, `revert`
+
+**Scope** (optional):
+
+- Strategy name: `quickadapter`, `ReforceXY`
+- Component name if cross-strategy
+
+**Summary** (required):
+
+- ≤ 72 chars, imperative mood
+- Focus on WHAT changed (the diff shows HOW)
+
+**Body** (optional):
+
+- Explain WHY (impact, context, reasoning)
+- Add with second `-m` flag: `git commit -m "<summary>" -m "<body>"`
+- Reference issues if applicable
+
+**Breaking changes**:
+
+- Add `!` after scope: `feat(quickadapter)!: change API`
+
+## Examples
+
+```
+feat(quickadapter): add EarlyStopping callback for XGBoost 3.x API
+fix(ReforceXY): correct LightGBM validation set naming in pruning
+refactor: remove redundant comments in regressor initialization
+```