Initial project scaffold

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/internal/httpapi/response.go

@@ -0,0 +1,28 @@
+package httpapi
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+func writeJSON(w http.ResponseWriter, status int, value any) {
+	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+	w.WriteHeader(status)
+	_ = json.NewEncoder(w).Encode(value)
+}
+
+func writeError(w http.ResponseWriter, status int, message string) {
+	writeJSON(w, status, map[string]any{
+		"error": map[string]any{
+			"message": message,
+			"status":  status,
+		},
+	})
+}
+
+func sendSSE(w http.ResponseWriter, event string, payload any) {
+	bytes, _ := json.Marshal(payload)
+	_, _ = fmt.Fprintf(w, "event: %s\n", event)
+	_, _ = fmt.Fprintf(w, "data: %s\n\n", bytes)
+}