feat(admin): единые процентные веса без старого формата (#28)

admin/tests/obsolete-utm.php

@@ -4,7 +4,7 @@ require dirname(__DIR__).'/bootstrap.php';
 use PrelandAdmin\{Config,Store,Transport,Remote,Jobs,Problem};
 function obsoleteCheck(bool $ok,string $message): void {if(!$ok)throw new RuntimeException($message);echo "PASS {$message}\n";}
 function obsoleteReject(callable $call,string $message): void {try{$call();}catch(Problem $e){obsoleteCheck($e->status===422&&str_contains($e->getMessage(),'utm.chb'),$message);return;}throw new RuntimeException('Accepted obsolete key: '.$message);}
-$legacy='{"host":"zoomzilla.ru","utm":{"chb":null,"unknown":{"raw":true},"cons":{"default":"2","weights":{"1":0,"2":7}}},"custom":{"chb":true}}';
+$legacy='{"host":"zoomzilla.ru","utm":{"chb":null,"unknown":{"raw":true},"cons":{"default":"2","weights":{"1":0,"2":100}}},"custom":{"chb":true}}';
 $raw=Config::decode($legacy);obsoleteCheck(property_exists($raw->utm,'chb')&&Config::decode(Config::encode($raw))->custom->chb===true,'legacy raw remains readable and encodable without migration');
 obsoleteReject(fn()=>Config::validate($raw,static fn()=>true),'validation rejects exact deprecated key even null');
 foreach([