diff --git a/lib/Conf.php b/lib/Conf.php
index e3d2f15..451bc92 100644
--- a/lib/Conf.php
+++ b/lib/Conf.php
@@ -16,13 +16,13 @@ class Conf {
     public $dbPostgreSQLPort        = 5432;
     public $dbPostgreSQLDb          = "arsse";
     public $dbPostgreSQLSchema      = "";
-    public $dbPostgreSQLAutoUpd     = false;
+    public $dbPostgreSQLAutoUpd     = true;
     public $dbMySQLHost             = "localhost";
     public $dbMySQLUser             = "arsse";
     public $dbMySQLPass             = "";
     public $dbMySQLPort             = 3306;
     public $dbMySQLDb               = "arsse";
-    public $dbMySQLAutoUpd          = false;
+    public $dbMySQLAutoUpd          = true;
 
     public $userDriver              = User\Internal\Driver::class;
     public $userComposeNames        = true;
@@ -33,14 +33,15 @@ class Conf {
     public $fetchUserAgentString;
 
     public function __construct(string $import_file = "") {
-        $this->fetchUserAgentString = sprintf('Arsse/%s (%s %s; %s; https://code.jkingweb.ca/jking/arsse) PicoFeed (https://github.com/fguillot/picoFeed)',
-            VERSION, // Arsse version
-            php_uname('s'), // OS
-            php_uname('r'), // OS version
-            php_uname('m') // platform architecture
-        );
-
         if($import_file != "") $this->importFile($import_file);
+        if(is_null($this->fetchUserAgentString)) {
+            $this->fetchUserAgentString = sprintf('Arsse/%s (%s %s; %s; https://code.jkingweb.ca/jking/arsse) PicoFeed (https://github.com/fguillot/picoFeed)',
+                VERSION, // Arsse version
+                php_uname('s'), // OS
+                php_uname('r'), // OS version
+                php_uname('m') // platform architecture
+            );
+        }
     }
 
     public function importFile(string $file): self {
diff --git a/lib/Misc/DateFormatter.php b/lib/Misc/DateFormatter.php
index 0c68094..6bb4485 100644
--- a/lib/Misc/DateFormatter.php
+++ b/lib/Misc/DateFormatter.php
@@ -21,7 +21,6 @@ trait DateFormatter {
     }
 
     protected function dateNormalize($date, string $inFormat = null, bool $inLocal = false) {
-        // convert input to a Unix timestamp
         if($date instanceof \DateTimeInterface) {
             return $date;
         } else if(is_numeric($date)) {
diff --git a/sql/SQLite3/0.sql b/sql/SQLite3/0.sql
index 726a9b8..f33154b 100644
--- a/sql/SQLite3/0.sql
+++ b/sql/SQLite3/0.sql
@@ -11,10 +11,19 @@ create table arsse_users(
     name text,                                                                                              -- display name
     avatar_type text,                                                                                       -- internal avatar image's MIME content type
     avatar_data blob,                                                                                       -- internal avatar image's binary data
-    rights integer not null default 0                                                                       -- any administrative rights the user may have
+    admin boolean default 0,                                                                                -- whether the user is a member of the special "admin" group
+    rights integer not null default 0                                                                       -- temporary admin-rights marker FIXME: remove reliance on this
 );
 
--- NextCloud folders
+-- extra user metadata
+create table arsse_users_meta(
+    owner text not null references arsse_users(id) on delete cascade on update cascade,
+    key text not null,
+    value text,
+    primary key(owner,key)
+);
+
+-- NextCloud News folders
 create table arsse_folders(
     id integer primary key,                                                                                 -- sequence number
     owner text not null references arsse_users(id) on delete cascade on update cascade,                     -- owner of folder