Introduces DispatchUpliftRequest entity and tier-gated approval flow:
vendors request a new NTE from the portal, dispatchers approve or deny
in SHOC, and requests above a configurable threshold require a higher
role. Adds DispatchController for PO-centric list/detail used by the
new Vendor POs page. Seeds Dispatcher and Manager roles.
- Generalize appsettings.json by removing hardcoded credentials
- Add local connection string and JWT config to appsettings.Development.json
- Add EF Core Design package for running migrations locally
- Seed admin user on startup in development
- Skip HTTPS redirect in development for proxy compatibility
- Gitignore appsettings.Development.json
