diff --git a/nur_src/cli/Application.php b/nur_src/cli/Application.php
index d54b486..9fa7749 100644
--- a/nur_src/cli/Application.php
+++ b/nur_src/cli/Application.php
@@ -454,4 +454,8 @@ EOT);
   }
 
   abstract function main();
+
+  static function runfile(): RunFile {
+    return app::with(static::class)->getRunfile();
+  }
 }
diff --git a/src/app/cli/template-wrapper.sh b/src/app/cli/template-wrapper.sh
index 9c92553..95506e5 100755
--- a/src/app/cli/template-wrapper.sh
+++ b/src/app/cli/template-wrapper.sh
@@ -32,6 +32,8 @@ launcher="$MYTRUEDIR/$LAUNCHERPATH"
 class="$MYTRUEDIR${WRAPPEDPATH:+/$WRAPPEDPATH}/${MYNAME%.php}.phpc"
 script="$MYTRUEDIR${WRAPPEDPATH:+/$WRAPPEDPATH}/${MYNAME%.php}.php"
 
+[ -f /g/init.env ] && source /g/init.env
+
 www_data="${DEVUSER_USERENT%%:*}"
 [ -n "$www_data" ] || www_data=www-data
 
diff --git a/src/db/sqlite/SqliteStorage.php b/src/db/sqlite/SqliteStorage.php
index 92f77fc..b6f9ac0 100644
--- a/src/db/sqlite/SqliteStorage.php
+++ b/src/db/sqlite/SqliteStorage.php
@@ -30,25 +30,41 @@ class SqliteStorage extends CapacitorStorage {
 
   protected function _afterCreate(CapacitorChannel $channel): void {
     $db = $this->db;
-    $db->exec([
-      "create table if not exists",
-      "table" => "_channels",
-      "cols" => [
-        "name" => "varchar primary key",
-        "table_name" => "varchar",
-        "class" => "varchar",
-      ],
+    $name = $this->db->get([
+      "select name from sqlite_schema",
+      "where" => ["name" => "_channels"],
     ]);
-    $db->exec([
-      "insert",
-      "into" => "_channels",
-      "values" => [
-        "name" => $channel->getName(),
-        "table_name" => $channel->getTableName(),
-        "class" => get_class($channel),
-      ],
-      "suffix" => "on conflict do nothing",
+    if ($name === null) {
+      # ne pas créer si la table existe déjà, pour éviter d'avoir besoin d'un
+      # verrou en écriture
+      $db->exec([
+        "create table if not exists",
+        "table" => "_channels",
+        "cols" => [
+          "name" => "varchar primary key",
+          "table_name" => "varchar",
+          "class" => "varchar",
+        ],
+      ]);
+    }
+    $name = $this->db->get([
+      "select name from _channels",
+      "where" => ["name" => $channel->getName()],
     ]);
+    if ($name === null) {
+      # ne pas insérer si la ligne existe déjà, pour éviter d'avoir besoin d'un
+      # verrou en écriture
+      $db->exec([
+        "insert",
+        "into" => "_channels",
+        "values" => [
+          "name" => $channel->getName(),
+          "table_name" => $channel->getTableName(),
+          "class" => get_class($channel),
+        ],
+        "suffix" => "on conflict do nothing",
+      ]);
+    }
   }
 
   protected function _beforeReset(CapacitorChannel $channel): void {
diff --git a/src/tools/BgLauncherApp.php b/src/tools/BgLauncherApp.php
index 971c993..2a6408c 100644
--- a/src/tools/BgLauncherApp.php
+++ b/src/tools/BgLauncherApp.php
@@ -61,7 +61,8 @@ class BgLauncherApp extends Application {
     $runfile = app::with($appClass)->getRunfile();
     switch ($this->action) {
     case self::ACTION_START:
-      $appClass::_manage_runfile(count($args), $args, $runfile);
+      $argc = count($args);
+      $appClass::_manage_runfile($argc, $args, $runfile);
       if ($runfile->warnIfLocked()) self::exit(app::EC_LOCKED);
       array_splice($args, 0, 0, [
         PHP_BINARY,
diff --git a/src/tools/SteamTrainApp.php b/src/tools/SteamTrainApp.php
index b9e013a..ffd7440 100644
--- a/src/tools/SteamTrainApp.php
+++ b/src/tools/SteamTrainApp.php
@@ -23,6 +23,9 @@ EOT,
     ["-c", "--count", "args" => 1,
       "help" => "spécifier le nombre d'étapes",
     ],
+    ["-f", "--force-enabled", "value" => true,
+      "help" => "lancer la commande même si les tâches planifiées sont désactivées",
+    ],
     ["-n", "--no-install-signal-handler", "value" => false,
       "help" => "ne pas installer le gestionnaire de signaux",
     ],
@@ -30,9 +33,12 @@ EOT,
 
   protected $count = 100;
 
+  protected bool $forceEnabled = false;
+
   protected bool $installSignalHandler = true;
 
   function main() {
+    app::check_bgapplication_enabled($this->forceEnabled);
     if ($this->installSignalHandler) app::install_signal_handler();
     $count = intval($this->count);
     msg::info("Starting train for ".words::q($count, "step#s"));
diff --git a/wip_app/app/cli/Application.php b/wip_app/app/cli/Application.php
index 0f3d3d5..4944637 100644
--- a/wip_app/app/cli/Application.php
+++ b/wip_app/app/cli/Application.php
@@ -374,4 +374,8 @@ EOT);
   }
 
   abstract function main();
+
+  static function runfile(): RunFile {
+    return app::with(static::class)->getRunfile();
+  }
 }