build: /implement-task add-hello-endpoint T1

services/api/internal/api/handlers/hello.go

@@ -0,0 +1,31 @@
+package handlers
+
+import (
+	"net/http"
+
+	"git.threesix.ai/jordan/feat-dev-e2e3/pkg/httpresponse"
+	"git.threesix.ai/jordan/feat-dev-e2e3/pkg/logging"
+)
+
+// HelloResponse is the data returned by GET /api/v1/hello.
+type HelloResponse struct {
+	Message string `json:"message"`
+}
+
+// Hello handles the hello greeting endpoint.
+type Hello struct {
+	logger *logging.Logger
+}
+
+// NewHello creates a new Hello handler.
+func NewHello(logger *logging.Logger) *Hello {
+	return &Hello{logger: logger}
+}
+
+// Say returns a greeting message.
+func (h *Hello) Say(w http.ResponseWriter, r *http.Request) error {
+	httpresponse.OK(w, r, HelloResponse{
+		Message: "Hello, World!",
+	})
+	return nil
+}