Feat(ship): add configurable PR body sections (#3391)

* feat: add configurable ship PR body sections

* chore: add changeset for ship PR sections

* docs: avoid prompt scanner trigger in PR body guide

* docs: escape pr body source separator

docs/README.md

@@ -13,6 +13,7 @@ Language versions: [English](README.md) · [Português (pt-BR)](pt-BR/README.md)
 | [Feature Reference](FEATURES.md) | All users | Feature narratives and requirements for released features (see [CHANGELOG](../CHANGELOG.md) for latest additions) |
 | [Command Reference](COMMANDS.md) | All users | Stable commands with syntax, flags, options, and examples |
 | [Configuration Reference](CONFIGURATION.md) | All users | Full config schema, workflow toggles, model profiles, git branching |
+| [Custom PR Body Sections](ship-pr-body-sections.md) | All users | How to append project-specific PRD sections to `/gsd-ship` PR bodies |
 | [CLI Tools Reference](CLI-TOOLS.md) | Contributors, agent authors | `gsd-tools.cjs` programmatic API for workflows and agents |
 | [Agent Reference](AGENTS.md) | Contributors, advanced users | Role cards for primary agents — roles, tools, spawn patterns (the `agents/` filesystem is authoritative) |
 | [User Guide](USER-GUIDE.md) | All users | Workflow walkthroughs, troubleshooting, and recovery |
@@ -29,5 +30,6 @@ Language versions: [English](README.md) · [Português (pt-BR)](pt-BR/README.md)
 - **Full workflow walkthrough:** [User Guide](USER-GUIDE.md)
 - **All commands at a glance:** [Command Reference](COMMANDS.md)
 - **Configuring GSD:** [Configuration Reference](CONFIGURATION.md)
+- **Customizing ship PR bodies:** [Custom PR Body Sections](ship-pr-body-sections.md)
 - **How the system works internally:** [Architecture](ARCHITECTURE.md)
 - **Contributing or extending:** [CLI Tools Reference](CLI-TOOLS.md) + [Agent Reference](AGENTS.md)