chore: import clean Agent Desk snapshot (2/7)

internal/pkg/dto/request/email_request.go

@@ -0,0 +1,15 @@
+package request
+
+// EmailRequestRequest is the body of the API that opens a support request on a
+// visitor's behalf and continues the conversation over email.
+type EmailRequestRequest struct {
+	// Email is the visitor's address. It becomes their contact identity, so it
+	// must be the address their replies will come from.
+	Email string `json:"email"`
+	// Name is an optional display name.
+	Name string `json:"name"`
+	// Subject is the request title shown in the visitor's request list.
+	Subject string `json:"subject"`
+	// Message is the request body. Required.
+	Message string `json:"message"`
+}