name: Direct HLR API Activation overview: Replace the file-drop-and-callback bulk activation flow with direct REST API calls to the Summa HSS, reusing Titan's existing HLR vendor module pattern and the same data already gathered by getActivationFileInfo. todos:
- id: vendor-interface content: Add createSubscriber method to HlrVendorModule interface + SubscriberActivationData VO status: pending
- id: rest-client content: Create SummaRestClient (JSON HTTP client for HSS REST API, parallel to SummaSoapClient) status: pending