Update version numbers in post-create-cmd.sh

[gitricko]

This pull request updates several tool and dependency versions in the .devcontainer/post-create-cmd.sh script to keep the development environment up to date.

Dependency version updates:

• Updated HERMES_VERSION to v2026.8.31
• Updated MODELRELAY_VERSION to 1.22.1
• Updated OLLAMA_VERSION to 0.33.2
• Updated NODE_VERSION to 26.7.0
• Updated MNEMON_VERSION to 0.2.7
• Updated PI_AGENT_VERSION to 0.84.4

[greptile-apps]

Greptile Summary

The PR updates development-container tool versions, switches ModelRelay installation to the pinned npm release, and refreshes corresponding README badges.

• Updates Hermes, ModelRelay, Mnemon, and PI Agent versions.
• Removes unused Ollama and Node version declarations.
• Installs ModelRelay 1.22.1 from npm instead of the GitHub source.

Confidence Score: 5/5

The PR appears safe to merge because no blocking failure remains.

No blocking failure remains.

Important Files Changed

Filename	Overview
.devcontainer/post-create-cmd.sh	Updates tool pins, removes unused version declarations, and changes ModelRelay to a versioned npm installation.
README.md	Refreshes the displayed tool-version badges and adds a PI Agent badge.

_{Reviews (3): Last reviewed commit: "Refactor modelrelay installation in post..." | Re-trigger Greptile}

[greptile-apps]

Version documentation is stale

These updated pins leave the README badges and Mnemon troubleshooting instructions on the previous versions, so developers see obsolete environment information and are told to expect Mnemon 0.1.17 instead of 0.2.7.

Prompt To Fix With AI

This is a comment left during a code review.
Path: .devcontainer/post-create-cmd.sh
Line: 3-9

Comment:
**Version documentation is stale**

These updated pins leave the README badges and Mnemon troubleshooting instructions on the previous versions, so developers see obsolete environment information and are told to expect Mnemon 0.1.17 instead of 0.2.7.

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[Copilot]

🟡 Changes recommended

Several updated version variables are not actually used to pin installs in the script, so the PR likely doesn’t achieve the stated “keep up to date” outcome for those tools.

Once you've addressed the issues Copilot identified, you can request another Copilot review.

Pull request overview

This PR updates the pinned version variables in .devcontainer/post-create-cmd.sh, intended to keep the devcontainer’s post-create toolchain aligned with newer upstream releases.

Changes:

• Bumped HERMES_VERSION to v2026.8.31.
• Updated version variables for ModelRelay, Ollama, Node, Mnemon, and PI Agent.

File summaries

File	Description
.devcontainer/post-create-cmd.sh	Updates several tool version variables used (or intended to be used) by the devcontainer post-create setup script.

Review details

• Files reviewed: 1/1 changed files
• Comments generated: 1
• Review effort level: Lite

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