update: add guidance on merchandising rules interaction

[julia-rabello]

Summary

EDU-14652
Provide a concise description of the change introduced by this PR.
Example: “Updates the Checkout overview to include new webhook behavior.”

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Type of change

• New content — Adds new documentation.
• Content update — Improves existing documentation (clarity, structure, examples, accuracy).
• Bug fix — Fixes markdown issues.
• Editorial fix — Spelling, grammar, or minor copy edits that don’t change meaning.
• Content removal — Deletes deprecated or obsolete content.

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Checklist

• The content follows the VTEX Style Guide.
• Markdown renders correctly (headings, lists, tables, callouts).
• Links, images, code blocks, and examples are valid.
• Terminology, product names, and API references are consistent.
• Frontmatter (title, description, tags, slug) is correct
• Files follow the expected folder structure and naming conventions.

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AI review instructions

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• AI style review: evaluates tone and adherence to VTEX style guidelines.
• AI grammar review: identifies grammar and spelling issues.

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After the review is completed, the corresponding label will be removed and the label AI reviewed will be added to the PR.

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[github-actions]

🧭 Navigation Generation Report

❌ Validation Status: FAILED

Parse errors: files could not be processed • Duplicate conflicts: 7 slug conflicts found

📝 Auto-commit: Navigation changes committed by workflow (commit 6e12aa4)

📊 Generation Details (click to expand)

Commit	Date	Duration
dd5da22237bda10b53b89edce4f14cb939fb4886	2026-05-19 15:42:32 -0300	9s

Metric	Value	Output	Details
Files processed	12568	Path	public/navigation.json
Files skipped		Size	3.1M
Categories	397	SHA256	bf719711b01f29ad11fa6530c266c495604c45f926512444c560b70774845666
Documents	4120	Duplicate conflicts	7

🔗 Duplicate Slug Conflicts (7 conflicts)

• Duplicate slug '2020-mayo' found 2 times in section 'announcements' (es): category:'Mayo' at '2020 > Mayo' [en:'May', en-slug:'2020-may'], category:'Mayo' at '2020 > Mayo' [en-slug:'mayo']
• Duplicate slug '2020-maio' found 2 times in section 'announcements' (pt): category:'Maio' at '2020 > Maio' [en:'May', en-slug:'2020-may'], category:'Maio' at '2020 > Maio' [en:'Mayo', en-slug:'mayo']
• Duplicate slug 'integracion-de-lengow' found 2 times in section 'tracks' (es): category:'Integración de Lengow' at 'Marketplace > Integración de Lengow' [en:'Lengow integration', en-slug:'lengow-integration'], category:'Integración de Lengow' at 'Marketplace > Integración de Lengow'
• Duplicate slug 'inventory-subcategory' found 2 times in section 'tutorials' (en): category:'Inventory' at 'Integrations > Inventory', category:'Inventory' at 'Shipping > Inventory'
• Duplicate slug 'feedback-del-vendedor-subcategoria' found 2 times in section 'tutorials' (es): category:'Feedback del vendedor' at 'Indeva by VTEX > Feedback del vendedor' [en-slug:'feedback-del-vendedor'], category:'Feedback del vendedor' at 'Indeva by VTEX > Feedback del vendedor' [en:'Seller feedback', en-slug:'seller-feedback-subcategory']
• Duplicate slug 'configurações-vtex-cx-platform-subcategoria' found 2 times in section 'tutorials' (pt): category:'Configurações VTEX CX Platform' at 'VTEX CX Platform > Configurações VTEX CX Platform' [en-slug:'configuracoes-vtex-cx-platform'], category:'Configurações VTEX CX Platform' at 'VTEX CX Platform > Configurações VTEX CX Platform' [en:'VTEX CX Platform Settings', en-slug:'vtex-cx-platform-settings-subcategory']
• Duplicate slug 'otro' found 2 times in section 'known-issues' (es): category:'Otro' at 'Otro' [en:'Other', en-slug:'other'], category:'Otros' at 'Otros' [en:'Others', en-slug:'others']

📋 Generation Log: - Full log: Download navgen.log

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Generated by nav-generation workflow