Add TypeScript interface definitions for blob and related data structures,
including new identity resolution fields (personName, assignedColor, identityResolved).
Reference: bf-2186
- Created types/spaxel.d.ts with comprehensive type definitions
- Added Blob interface with identity fields (personName, assignedColor, identityResolved)
- All new fields typed as optional for backward compatibility
- Added JSDoc comments explaining each field
- Includes type definitions for all major dashboard data structures (Node, Zone, Alert, etc.)
- Maintained legacy fields (personLabel, personColor) with @deprecated tags
Co-Authored-By: Claude <noreply@anthropic.com>
