fix(utm): заменить публичную chob на banch (#327)

components/utm-handoff.php

@@ -2,18 +2,18 @@
 /** api#326: новый шум при каждой навигации; recovery хранит выбранные цифры. */
 return <<<'JS'
 (function () {
-    const keys = ['indpic','theme','degr','reg','chob','tp','cons','focus'];
-    const enums = {theme:{dark:'1',light:'2'},reg:{before:'1',after:'2'},chob:{b:'1',a:'2'},focus:{face:'1',center:'2'}};
-    const legacy = {reg:'registration',chob:'bchoice'};
+    const keys = ['indpic','theme','degr','reg','banch','tp','cons','focus'];
+    const enums = {theme:{dark:'1',light:'2'},reg:{before:'1',after:'2'},banch:{b:'1',a:'2'},focus:{face:'1',center:'2'}};
+    const legacy = {reg:'registration',banch:'bchoice'};
     const valid = (key, value) => /^[1-9]$/.test(value || '') && (!enums[key] || Object.values(enums[key]).includes(value));
     function restore(meta, defaults) {
         const query = new URLSearchParams(meta.redirectUtm || '');
         const digits = {};
         for (const key of keys) {
-            let value = meta.utmDigits?.[key];
+            let value = meta.utmDigits?.[key] ?? (key === 'banch' ? meta.utmDigits?.chob : undefined);
             if (!valid(key, value)) {
                 // Только сохранённый record: старые enum/открытые цифры не являются raw URL alias.
-                const stored = query.get(legacy[key] || key) ?? query.get(key);
+                const stored = query.get(legacy[key] || key) ?? query.get(key) ?? (key === 'banch' ? query.get('chob') : null);
                 value = enums[key]?.[stored] || stored;
                 if (!valid(key, value)) value = Array.from(stored || '')[4];
             }
@@ -32,7 +32,7 @@ return <<<'JS'
     function query(meta, defaults) {
         const params = new URLSearchParams(meta.redirectUtm || '');
         const digits = restore(meta, defaults);
-        for (const key of ['registration','bchoice','chb','key','shown_theme',...keys]) params.delete(key);
+        for (const key of ['registration','bchoice','chob','chb','key','shown_theme',...keys]) params.delete(key);
         for (const key of keys) params.set(key, mask(digits[key]));
         return params.toString();
     }