unopim-credential-management

Implement credential storage, API connection testing, secure field handling, history tracking, and full CRUD for Unopim third-party connector modules. Covers Credential model with HistoryTrait and extras JSON, Contract interface, CredentialRepository, CredentialController with JsonResponse, FormRequest validation, DataGrid, and migration with DB_PREFIX. Use this skill when building the credentials section of any Unopim connector (WooCommerce, Shopify, Shopware, module, etc.).