doc: reword upgrade instructions

[IceCodeNew]

Updated version references for product documentation upgrade instructions.

Summary by CodeRabbit

• Documentation
  • Updated the global cluster upgrade guide with standardized product naming conventions.
  • Added detailed step-by-step instructions for installing the Product Docs plugin through the Marketplace workflow.

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[coderabbitai]

Walkthrough

Documentation file updated to replace hardcoded version references with tokenized template variables (productShort) and adds explicit step-by-step marketplace installation instructions for the Product Docs plugin.

Changes

Cohort / File(s)	Summary
Documentation Tokenization & Installation Steps docs/en/upgrade/upgrade_global_cluster.mdx	Replaces literal "ACP 4.0" references with <Term name="productShort" /> template token; updates intro to use tokenized terminology and generic version numbers (3.x); adds detailed Marketplace installation steps (Navigate Marketplace > Cluster Plugins, select global cluster, Install)

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

• Single file with homogeneous, straightforward documentation edits
• Consistent tokenization pattern applied throughout
• Additions are clear, step-by-step instructions with no ambiguity

Possibly related PRs

• acp-docs#292: Also modifies docs/en/upgrade/upgrade_global_cluster.mdx and adds "Install Product Docs Plugin" marketplace installation steps with ACP/productShort version references
• acp-docs#104: Modifies the same upgrade file with extensive upgrade, disaster recovery, and package-upload guidance alongside similar marketplace installation documentation
• acp-docs#52: Overlaps on the same upgrade documentation file with related upgrade introductory content and version-specific wording refinements

Poem

🐰 Templates now reign where hard-codes once stood,
Through marketplace paths, our docs flow so good!
Tokens and steps dance in perfect time,
One file improved—documentation sublime! ✨

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'doc: reword upgrade instructions' is partially related to the changeset. While it mentions rewording upgrade instructions (which is accurate), it omits the significant change of updating version references and converting literal values to template tokens, which are notable aspects of the modification.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch IceCodeNew-patch-1

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[coderabbitai]

Actionable comments posted: 0

🧹 Nitpick comments (1)

docs/en/upgrade/upgrade_global_cluster.mdx (1)

132-139: Well-structured tokenization and clear installation instructions.

Line 132 appropriately uses <Term name="productShort" /> to replace hardcoded version references, improving maintainability. The generalization from "3.18" to "3.x" broadens applicability. The step-by-step numbered instructions (lines 134–139) provide clear guidance for marketplace-based plugin installation.

Minor observation: For consistency with other UI navigation instructions in the document (e.g., line 99: "switch to Administrator view"), consider adding "view" after "Administrator" on line 134 to align terminology across the guide.

📜 Review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 3f35c6f and 2163bbe.

📒 Files selected for processing (1)

• docs/en/upgrade/upgrade_global_cluster.mdx (1 hunks)

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