- Rename npm packages from @kb/* to @hai/* and update all workspace references
- Rename CLI binary from kb to hai and config directory from .kb to .hai
- Update dashboard UI branding, titles, and references from kb to hai
- Update all test files, CI workflows, and documentation to reflect new naming
- Run comprehensive grep verification to ensure no stale kb references remain
- Add logo.svg image element to Header component before the h1 title
- Add header-logo CSS class with sizing and flex-shrink styles
- Update header-left alignment from baseline to center
- Add Header component tests covering logo rendering and position
