feat: user service

user/internal/ports/authblock_store.go

@@ -0,0 +1,18 @@
+package ports
+
+import (
+	"context"
+
+	"galaxy/user/internal/domain/authblock"
+	"galaxy/user/internal/domain/common"
+)
+
+// BlockedEmailStore persists the dedicated blocked-email-subject model used by
+// auth-facing flows.
+type BlockedEmailStore interface {
+	// GetByEmail returns the blocked-email subject for email.
+	GetByEmail(ctx context.Context, email common.Email) (authblock.BlockedEmailSubject, error)
+
+	// Upsert stores or replaces the blocked-email subject for record.Email.
+	Upsert(ctx context.Context, record authblock.BlockedEmailSubject) error
+}