добавил sha256 для файла обновления

static/main.html

@@ -619,6 +619,7 @@
                 <label>
                     <span>Файл {{ this.uploadFw.progress !== null ? `(${this.uploadFw.progress}%)` : '' }}</span>
                     <input type="file" accept="application/zip" @change="(e) => { this.uploadFw.filename = e.target.files[0] }">
+                    <span v-if="uploadFw.sha256 !== null">SHA256: {{ uploadFw.sha256 }}</span>
                 </label>
                 <button class="dangerous-button" @click="settingsUploadUpdate()">Обновить встроенное ПО <span class="submit-spinner" v-show="submitStatus.firmwareUpload"></span></button>
             </div>
@@ -954,7 +955,8 @@
 
             uploadFw: {
                 progress: null,
-                filename: null
+                filename: null,
+                sha256: null
             },
 
             testState: false,
@@ -1313,6 +1315,8 @@
                         });
                         xhr.addEventListener("loadend", () => {
                             this.uploadFw.progress = 100
+                            const rep = JSON.parse(xhr.responseText);
+                            this.uploadFw.sha256 = rep['sha256']
                             resolve(xhr.readyState === 4 && xhr.status === 200);
                         });
                         xhr.open("PUT", "/api/firmwareUpdate", true);