docs: update agent guidance for Node and Go runtimes

[rinatkhaziev]

Description

Refresh AGENTS.md after merging the Go runtime. Require command implementations and changes in both Node.js and Go, with tests and verified parity across the two runtimes.

• Remove the obsolete args-to-Commander migration section and consolidate repeated Node.js guidance.
• Correct toolchain, configuration, output, HTTP 401 handling, analytics, and dev-env storage guidance against the current source.
• Document Go command middleware, credential isolation, GraphQL generation, dev-env E2E safety gates, and the separate Go and Node SEA packaging paths.

Only AGENTS.md changes; there are no runtime changes.

Changelog Description

Changed

• Updated contributor guidance for maintaining the Node.js and Go CLI runtimes.

Pull request checklist

• Updated contributor documentation.
• Verified referenced source paths, Make targets, npm scripts, and toolchain requirements.
• Confirmed no runtime changes or new environment variables.
• Confirmed local planning files are excluded from the commit.

Steps to Test

1. Run npx --no-install prettier --check AGENTS.md.
2. Run git show --format= --check HEAD.
3. Review the documented contracts against the referenced Node.js and Go implementations.

Formatting and documentation reference checks passed. Runtime and parity tests were not run because this change only updates documentation.

[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Scanned Files

None

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud