feat: updated the setupEnv to fetch the latest code

[Dhruvkumar-Microsoft]

Purpose

This pull request updates the development container and setup script to improve environment consistency and streamline project setup. The main changes include specifying feature versions in the devcontainer configuration and refactoring the setup script for reliability and clarity.

Devcontainer improvements:

• Explicitly set the version for docker-in-docker and uv features, and enabled shell autocompletion for uv in .devcontainer/devcontainer.json to ensure consistent environment setup.

Setup script enhancements:

• Refactored .devcontainer/setupEnv.sh to use sh instead of bash, added code to fetch and pull the latest branch, enforced error handling with set -e, and streamlined backend, frontend, and MCP server setup using uv sync --frozen and npm install, improving reliability and clarity of environment setup.

Does this introduce a breaking change?

• Yes
• No

How to Test

• Get the code

git clone [repo-address]
cd [repo-name]
git checkout [branch-name]
npm install

• Test the code

What to Check

Verify that the following are valid

• ...

Other Information

[github-actions]

🎉 This PR is included in version 3.0.1 🎉

The release is available on GitHub release

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