refactor: improve camera controls and modularize data export

- Add detailed error logging for image upload failures in PhotoDialog and SharedPhotoView
- Extract DataExportSection into standalone component with proper prop handling
- Fix Backup Identifier Seed visibility by passing activeDid prop

src/components/DataExportSection.vue

@@ -0,0 +1,114 @@
+<template>
+  <div
+    id="sectionDataExport"
+    class="bg-slate-100 rounded-md overflow-hidden px-4 py-4 mt-8 mb-8"
+  >
+    <div class="mb-2 font-bold">Data Export</div>
+    <router-link
+      v-if="activeDid"
+      :to="{ name: 'seed-backup' }"
+      class="block w-full text-center text-md bg-gradient-to-b from-blue-400 to-blue-700 shadow-[inset_0_-1px_0_0_rgba(0,0,0,0.5)] text-white px-1.5 py-2 rounded-md mb-2 mt-2"
+    >
+      Backup Identifier Seed
+    </router-link>
+
+    <button
+      :class="computedStartDownloadLinkClassNames()"
+      class="block w-full text-center text-md bg-gradient-to-b from-blue-400 to-blue-700 shadow-[inset_0_-1px_0_0_rgba(0,0,0,0.5)] text-white px-1.5 py-2 rounded-md"
+      @click="exportDatabase()"
+    >
+      Download Settings & Contacts
+      <br />
+      (excluding Identifier Data)
+    </button>
+    <a
+      ref="downloadLink"
+      :class="computedDownloadLinkClassNames()"
+      class="block w-full text-center text-md bg-gradient-to-b from-green-500 to-green-800 shadow-[inset_0_-1px_0_0_rgba(0,0,0,0.5)] text-white px-1.5 py-2 rounded-md mb-6"
+    >
+      If no download happened yet, click again here to download now.
+    </a>
+    <div class="mt-4">
+      <p>
+        After the download, you can save the file in your preferred storage
+        location.
+      </p>
+      <ul>
+        <li class="list-disc list-outside ml-4">
+          On iOS: Choose "More..." and select a place in iCloud, or go "Back"
+          and save to another location.
+        </li>
+        <li class="list-disc list-outside ml-4">
+          On Android: Choose "Open" and then share
+          <font-awesome icon="share-nodes" class="fa-fw" />
+          to your prefered place.
+        </li>
+      </ul>
+    </div>
+  </div>
+</template>
+
+<script lang="ts">
+import { Component, Prop, Vue } from "vue-facing-decorator";
+import { NotificationIface } from "../constants/app";
+import { db } from "../db/index";
+import { logger } from "../utils/logger";
+
+@Component
+export default class DataExportSection extends Vue {
+  $notify!: (notification: NotificationIface, timeout?: number) => void;
+
+  @Prop({ required: true }) readonly activeDid!: string;
+  downloadUrl = "";
+
+  beforeUnmount() {
+    if (this.downloadUrl) {
+      URL.revokeObjectURL(this.downloadUrl);
+    }
+  }
+
+  public async exportDatabase() {
+    try {
+      const blob = await db.export({ prettyJson: true });
+      this.downloadUrl = URL.createObjectURL(blob);
+      const downloadAnchor = this.$refs.downloadLink as HTMLAnchorElement;
+      downloadAnchor.href = this.downloadUrl;
+      downloadAnchor.download = `${db.name}-backup.json`;
+      downloadAnchor.click();
+      this.$notify(
+        {
+          group: "alert",
+          type: "success",
+          title: "Download Started",
+          text: "See your downloads directory for the backup. It is in the Dexie format.",
+        },
+        -1,
+      );
+      setTimeout(() => URL.revokeObjectURL(this.downloadUrl), 1000);
+    } catch (error) {
+      logger.error("Export Error:", error);
+      this.$notify(
+        {
+          group: "alert",
+          type: "danger",
+          title: "Export Error",
+          text: "There was an error exporting the data.",
+        },
+        3000,
+      );
+    }
+  }
+
+  public computedStartDownloadLinkClassNames() {
+    return {
+      hidden: this.downloadUrl,
+    };
+  }
+
+  public computedDownloadLinkClassNames() {
+    return {
+      hidden: !this.downloadUrl,
+    };
+  }
+}
+</script>