fix: return content of written article

server/internal/handler/handler.go

@@ -2,6 +2,7 @@
 package handler
 
 import (
+	"encoding/json"
 	"errors"
 	"fmt"
 	"io"
@@ -87,7 +88,13 @@ func (h *Handler) post(w http.ResponseWriter, r *http.Request, target string) {
 		return
 	}
 
-	writeJSON(w, http.StatusOK, make(map[string]any))
+	var data map[string]any
+	if err := json.Unmarshal(body, &data); err != nil {
+		writeError(w, http.StatusInternalServerError, err)
+		return
+	}
+
+	writeJSON(w, http.StatusOK, data)
 }
 
 func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {