docs: keep Terraform module releases independent of SIE versions

[mamayer19]

Summary

• Keep Terraform module versions independent from SIE application versions.
• Replace mandatory per-release chart/image documentation bumps with follow-up only for actual infrastructure or module compatibility changes.
• Keep single-artifact chart selection, controlled-upgrade guidance, module CI/review and publication verification requirements.

Validation

• Independent full-diff review passed.
• Only AGENTS.md and RELEASE.md changed; publication workflows, latches, versions and runtime sources are unchanged.
• Existing Terraform section anchor and all four module repository links retained; git diff whitespace checks passed.

This is documentation-only and does not publish a SIE or Terraform release.

Summary by CodeRabbit

• Documentation
  • Clarified that an SIE release alone does not require Terraform module documentation updates or releases.
  • Terraform follow-up is needed when a release changes infrastructure requirements or reveals a compatibility issue; module versions are reserved for actual module changes.
  • Added guidance for checking module compatibility, validating necessary updates, following standard review and release processes, and reporting Terraform work separately from SIE publication.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

• Configuration used: Organization UI
• Review profile: CHILL
• Plan: Team
• Run ID: 28a4c9c4-6110-41bf-8f23-08d79d4b75f2

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📥 Commits

Reviewing files that changed from the base of the PR and between ab4c996 and 16e1f0f.

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📒 Files selected for processing (2)

• AGENTS.md
• RELEASE.md

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📝 Walkthrough

Walkthrough

The release guidance now limits Terraform module follow-up to releases that change infrastructure requirements or expose compatibility issues. It describes how to assess, validate, release, and report necessary Terraform work separately from SIE publication.

Changes

Terraform release guidance

Layer / File(s)	Summary
Release criteria and compatibility assessment AGENTS.md, RELEASE.md	The guidance says an SIE release alone does not require a Terraform update or module release. It describes chart selection, compatibility assessment, and when no module change is needed.
Module changes and release reporting RELEASE.md	For actual compatibility changes, the guidance describes scoping and validating module changes, following normal review and publication checks, and reporting Terraform work separately from SIE publication.

Suggested reviewers: krisztian-gajdar

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Priority: ⬇️ Low

Merge Risk: ⚪ Minimal · up to 16e1f

SIE releases remain governed by the existing artifact gates, while Terraform updates are reserved for actual compatibility changes; the checked-in guidance shows no release-blocking conflict.

Pre-merge checks | 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check		Check skipped - CodeRabbit’s high-level summary is enabled.
Title check		The title clearly and concisely describes the main documentation change: Terraform module releases remain independent of SIE versions.
Docstring Coverage		No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Commit to this branch
• Create a new PR

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• Autofix · Keep fixing CodeRabbit findings and required CI, and resolving merge conflicts

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