#9710 docs(library): update ai-agents-in-procurement

Summary

• Refreshes the library post ai-agents-in-procurement (apps/sim/content/library/ai-agents-in-procurement/index.mdx).
• Title unchanged.
• A replacement article was merged into the existing post.
• Requested change: MERGE this material into the existing library post at library/ai-agents-in-procurement. Do not replace or swap the existing article. Preserve every existing FAQ question verbatim unless factually wrong, every H2 and H3, every product compared, every outbound citation, every number or price, and ever…

Generated by the Library Post PR Updater workflow. Not built or tested locally. After the PR opens, the workflow content gate checks changed paths, frontmatter keys, FAQ placement, and internal links; CI check:library-content validates the post once it is enabled.

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