Update project API documentation to reflect current request schema an…

[dhirmadi]

…d data model, including validation notes for tenant ownership and member roles.

Pull Request

Description

Brief description of the changes in this PR.

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
• Refactoring (no functional changes)
• Performance improvement
• Test coverage improvement

Related Issues

Closes #(issue number)

Changes Made

• Change 1
• Change 2
• Change 3

Documentation Impact

• No documentation changes needed
• I have updated the Architecture Reference
• I have updated the API Documentation
• I have updated the Feature Documentation
• I have updated the Integration Guides
• I have updated the Frontend Documentation
• I have updated the Testing Documentation
• I have updated the README.md

Testing

• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I have checked the Testing Documentation for guidance
• I have run npm run docs:validate to check documentation links

Security Considerations

• This change does not introduce security vulnerabilities
• I have reviewed the security implications
• Authentication/authorization is properly implemented
• Input validation is in place where needed

Architecture Compliance

• This change follows the patterns in Architecture Reference
• This change aligns with the Domain Map
• This change follows the Feature Patterns
• API changes follow the API Documentation standards

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

Screenshots (if applicable)

Add screenshots to help explain your changes.

Additional Notes

Any additional information that reviewers should know.