docs: Simplify Guardian README, direct advanced users to Fortress

[homepods]

Pull Request

📋 Description

Brief summary of changes:

Related Issue:

Fixes #

🎯 Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Security enhancement
• Infrastructure/CI improvement
• Refactoring (no functional changes)

🔧 Component(s) Affected

• Deployment scripts (setup.sh, uninstall.sh, network-config.sh)
• Security features (Qsecbit, WAF, IDS/IPS)
• Networking (VXLAN, OVS, OpenFlow)
• Containers/PODs
• Monitoring (Grafana, VictoriaMetrics)
• n8n automation (POD 008)
• LTE/5G connectivity
• Documentation
• Testing infrastructure
• Other:

🧪 Testing Done

How was this tested?

• Fresh deployment test (./setup.sh in clean environment)
• Uninstall test (./uninstall.sh verifies complete cleanup)
• Service functionality tests
• Network isolation tests
• Security regression tests
• Manual testing only
• Automated tests added/updated

Test environment:

• OS:
• Podman version:
• Hardware:

Test results:

# Paste relevant test output

✅ Checklist

Before submitting this PR:

• I have read CONTRIBUTING.md
• My code follows the project's coding standards
• I have tested my changes in a clean environment
• I have updated documentation (README.md, CLAUDE.md, etc.)
• I have checked for exposed secrets/credentials
• My commit messages follow the conventional commits format
• I have run shellcheck on bash scripts (if applicable)
• I have run linting on Python code (if applicable)
• All deployment scripts still work after my changes
• I have verified network ranges are correct (10.200.x.x)

Security considerations:

• No hardcoded credentials added
• No security features disabled
• User input is validated (if applicable)
• No command injection vulnerabilities introduced
• Changes reviewed for OWASP Top 10 vulnerabilities

📸 Screenshots/Logs

Before:

# Show state before changes (if applicable)

After:

# Show state after changes

🔄 Breaking Changes

Does this PR introduce breaking changes?

• No
• Yes (explain below)

📚 Documentation Updates

Documentation changes made:

• README.md updated
• CLAUDE.md updated (for AI-relevant changes)
• CHANGELOG.md updated
• Component-specific README updated
• Inline code comments added
• No documentation changes needed

💬 Additional Notes

📝 Reviewer Notes

Specific areas to review:

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By submitting this PR, I confirm:

• This code is my own work or properly attributed
• I agree to license contributions under the MIT License
• I have followed the security disclosure policy for any security-related changes