Add org_type field (bank/pe_vc/company) to organizations table with
additive migration. Add type selector to signup form and admin org
edit form. Fix signup handler column names and session creation.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Admin section accessible to owner/admin roles only
- Full CRUD for contacts with type filtering (buyer/internal/advisor)
- Full CRUD for deals with all fields (stage, size, dates, etc.)
- Full CRUD for users/profiles with role management
- Full CRUD for organizations
- Admin dashboard with entity counts
- Consistent dark theme matching existing UI
- Breadcrumb navigation throughout admin section
- Delete confirmation dialogs
James