**Before drafting:** In continuous checkpoint mode, read the WIP commit bodies
while they still exist (no WIP commits means no extra context):

```bash
git log origin/<base>..HEAD --grep="^WIP:" --format="%H%n%B"
```

Use their `[gstack-context]` notes only where supported by the diff. Step 15.0
later preserves these bodies for PR context before squashing them.

{{CHANGELOG_WORKFLOW}}

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