Allow selective data export and import

options/dataTransfer.js

@@ -0,0 +1,45 @@
+"use strict";
+const storage = (globalThis.messenger ?? browser).storage;
+const KEY_GROUPS = {
+    settings: [
+        'endpoint',
+        'templateName',
+        'customTemplate',
+        'customSystemPrompt',
+        'aiParams',
+        'debugLogging',
+        'htmlToMarkdown',
+        'stripUrlParams',
+        'altTextImages',
+        'collapseWhitespace'
+    ],
+    rules: ['aiRules'],
+    cache: ['aiCache']
+};
+
+function collectKeys(categories = Object.keys(KEY_GROUPS)) {
+    return categories.flatMap(cat => KEY_GROUPS[cat] || []);
+}
+
+export async function exportData(categories) {
+    const data = await storage.local.get(collectKeys(categories));
+    const blob = new Blob([JSON.stringify(data, null, 2)], { type: 'application/json' });
+    const url = URL.createObjectURL(blob);
+    const a = document.createElement('a');
+    a.href = url;
+    a.download = 'sortana-export.json';
+    document.body.appendChild(a);
+    a.click();
+    a.remove();
+    URL.revokeObjectURL(url);
+}
+
+export async function importData(file, categories) {
+    const text = await file.text();
+    const parsed = JSON.parse(text);
+    const data = {};
+    for (const key of collectKeys(categories)) {
+        if (key in parsed) data[key] = parsed[key];
+    }
+    await storage.local.set(data);
+}