diff --git a/call_center_pro.php b/call_center_pro.php
index c6103ed7..0b45ae3a 100644
--- a/call_center_pro.php
+++ b/call_center_pro.php
@@ -586,26 +586,46 @@ try {
                 throw new RuntimeException('El reparto intercalado solo está disponible en TUANI principal.');
             }
 
-            $repartoResult = cc_test_apply_daily_reparto($pdo, $storeKey, $orders, $assessors, $repartoSettings);
+            $repartoResult = cc_test_run_locked_reparto_job(
+                $pdo,
+                $storeKey,
+                $assessors,
+                static function () use ($pdo, $storeKey): array {
+                    return cc_test_load_reparto_orders($pdo, $storeKey);
+                },
+                $repartoSettings,
+                static function (array $orders) use ($storeKey, $storeConfig): array {
+                    return cc_test_filter_reparto_orders($orders, $storeKey, $storeConfig);
+                }
+            );
             $assignedCount = (int) ($repartoResult['assigned_count'] ?? 0);
             $noticeMessage = $assignedCount > 0
                 ? 'Reparto intercalado: ' . $assignedCount . ' pedido(s) asignado(s).'
                 : (string) ($repartoResult['message'] ?? 'No había pedidos pendientes o no había asesoras disponibles.');
             if ($assignedCount > 0) {
-                $tracking = drive_test_fetch_tracking($pdo, array_column($orders, 'source_key'));
-                $orders = drive_test_merge_tracking($orders, $tracking);
+                $orders = cc_test_load_reparto_orders($pdo, $storeKey);
             }
             $repartoSettings = $repartoResult['settings'] ?? $repartoSettings;
         }
     }
 
-    if ($isMainTuaniStore && ($repartoSettings['reparto_mode'] ?? 'manual') === 'automatico') {
-        $autoRepartoResult = cc_test_apply_daily_reparto($pdo, $storeKey, $orders, $assessors, $repartoSettings);
+    if ($isMainTuaniStore && cc_test_reparto_mode_is_auto($repartoSettings['reparto_mode'] ?? 'manual')) {
+        $autoRepartoResult = cc_test_run_locked_reparto_job(
+            $pdo,
+            $storeKey,
+            $assessors,
+            static function () use ($pdo, $storeKey): array {
+                return cc_test_load_reparto_orders($pdo, $storeKey);
+            },
+            $repartoSettings,
+            static function (array $orders) use ($storeKey, $storeConfig): array {
+                return cc_test_filter_reparto_orders($orders, $storeKey, $storeConfig);
+            }
+        );
         $autoAssignedCount = (int) ($autoRepartoResult['assigned_count'] ?? 0);
         if ($autoAssignedCount > 0) {
             $noticeMessage = trim((string) ($noticeMessage !== null ? $noticeMessage . ' ' : '') . 'Reparto automático: ' . $autoAssignedCount . ' pedido(s) asignado(s).');
-            $tracking = drive_test_fetch_tracking($pdo, array_column($orders, 'source_key'));
-            $orders = drive_test_merge_tracking($orders, $tracking);
+            $orders = cc_test_load_reparto_orders($pdo, $storeKey);
         }
         $repartoSettings = $autoRepartoResult['settings'] ?? $repartoSettings;
     }
diff --git a/gestiones_callcenter.php b/gestiones_callcenter.php
index ebed91e8..219c6ebd 100644
--- a/gestiones_callcenter.php
+++ b/gestiones_callcenter.php
@@ -775,7 +775,7 @@ try {
             $postedStates = [];
         }
 
-        $repartoSettings['reparto_mode'] = 'manual';
+        $repartoSettings['reparto_mode'] = $postedMode;
         $repartoSettings['assessor_states'] = cc_test_reparto_normalize_states($postedStates, $assessors);
         cc_test_upsert_reparto_settings($pdo, $storeKey, $repartoSettings);
         $noticeMessage = 'Configuración de reparto guardada.';
@@ -784,42 +784,51 @@ try {
             throw new RuntimeException('El reparto intercalado solo está disponible en TUANI principal.');
         }
 
-        $repartoOrders = cc_test_filter_reparto_orders($orders, $storeKey, $storeConfig);
-        if (empty($repartoOrders)) {
-            $repartoResult = [
-                'assigned_count' => 0,
-                'settings' => $repartoSettings,
-                'message' => 'No hay pedidos pendientes para repartir.',
-            ];
-        } else {
-            $repartoResult = cc_test_apply_daily_reparto($pdo, $storeKey, $repartoOrders, $assessors, $repartoSettings);
-        }
+        $repartoResult = cc_test_run_locked_reparto_job(
+            $pdo,
+            $storeKey,
+            $assessors,
+            static function () use ($pdo, $storeKey): array {
+                return cc_test_load_reparto_orders($pdo, $storeKey);
+            },
+            $repartoSettings,
+            static function (array $orders) use ($storeKey, $storeConfig): array {
+                return cc_test_filter_reparto_orders($orders, $storeKey, $storeConfig);
+            }
+        );
         $assignedCount = (int) ($repartoResult['assigned_count'] ?? 0);
         $noticeMessage = $assignedCount > 0
             ? 'Reparto intercalado: ' . $assignedCount . ' pedido(s) asignado(s).'
             : (string) ($repartoResult['message'] ?? 'No había pedidos pendientes o no había asesoras disponibles.');
         if ($assignedCount > 0) {
-            $tracking = drive_test_fetch_tracking($pdo, array_column($orders, 'source_key'));
-            $orders = drive_test_merge_tracking($orders, $tracking);
+            $orders = cc_test_load_reparto_orders($pdo, $storeKey);
         }
         $repartoSettings = $repartoResult['settings'] ?? $repartoSettings;
     }
 
-    if ($isMainTuaniStore && ($repartoSettings['reparto_mode'] ?? 'manual') === 'automatico') {
-        $repartoOrders = cc_test_filter_reparto_orders($orders, $storeKey, $storeConfig);
-        $autoRepartoResult = cc_test_apply_daily_reparto($pdo, $storeKey, $repartoOrders, $assessors, $repartoSettings);
+    if ($isMainTuaniStore && cc_test_reparto_mode_is_auto($repartoSettings['reparto_mode'] ?? 'manual')) {
+        $autoRepartoResult = cc_test_run_locked_reparto_job(
+            $pdo,
+            $storeKey,
+            $assessors,
+            static function () use ($pdo, $storeKey): array {
+                return cc_test_load_reparto_orders($pdo, $storeKey);
+            },
+            $repartoSettings,
+            static function (array $orders) use ($storeKey, $storeConfig): array {
+                return cc_test_filter_reparto_orders($orders, $storeKey, $storeConfig);
+            }
+        );
         $autoAssignedCount = (int) ($autoRepartoResult['assigned_count'] ?? 0);
         if ($autoAssignedCount > 0) {
             $noticeMessage = trim((string) ($noticeMessage !== null ? $noticeMessage . ' ' : '') . 'Reparto automático: ' . $autoAssignedCount . ' pedido(s) asignado(s).');
-            $tracking = drive_test_fetch_tracking($pdo, array_column($orders, 'source_key'));
-            $orders = drive_test_merge_tracking($orders, $tracking);
+            $orders = cc_test_load_reparto_orders($pdo, $storeKey);
         }
         $repartoSettings = $autoRepartoResult['settings'] ?? $repartoSettings;
     }
 
     if ($isMainTuaniStore) {
         $repartoSettings = cc_test_fetch_reparto_settings($pdo, $storeKey, $assessors);
-        $repartoSettings['reparto_mode'] = 'manual';
     }
     $repartoPreview = cc_test_reparto_preview($assessors, $repartoSettings);
     $repartoEligibleOrders = cc_test_filter_reparto_orders($orders, $storeKey, $storeConfig);
@@ -1672,7 +1681,7 @@ require_once 'layout_header.php';
         <?php if ($isMainTuaniStore): ?>
             <?php
                 $repartoModeLabel = (string) ($repartoPreview['mode_label'] ?? 'Manual');
-                $repartoModeClass = ($repartoPreview['mode'] ?? 'manual') === 'automatico'
+                $repartoModeClass = cc_test_reparto_mode_is_auto((string) ($repartoPreview['mode'] ?? 'manual'))
                     ? 'bg-success-subtle text-success-emphasis border'
                     : 'bg-secondary-subtle text-secondary-emphasis border';
                 $repartoNextLabel = (string) ($repartoPreview['next_label'] ?? '');
@@ -1721,8 +1730,14 @@ require_once 'layout_header.php';
                                 <div class="mb-2">
                                     <label class="form-label small text-muted fw-semibold mb-1" for="repartoMode">Modo de reparto</label>
                                     <select name="reparto_mode" id="repartoMode" class="form-select form-select-sm">
-                                        <option value="manual"<?php echo ($repartoPreview['mode'] ?? 'manual') === 'manual' ? ' selected' : ''; ?>>Manual</option>
+                                        <?php foreach ([
+                                            'manual' => 'Manual',
+                                            'automatico' => 'Automático',
+                                        ] as $modeValue => $modeLabel): ?>
+                                            <option value="<?php echo htmlspecialchars($modeValue); ?>"<?php echo ($repartoPreview['mode'] ?? 'manual') === $modeValue ? ' selected' : ''; ?>><?php echo htmlspecialchars($modeLabel); ?></option>
+                                        <?php endforeach; ?>
                                     </select>
+                                    <div class="form-text">Automático reparte los pedidos pendientes al abrir o refrescar la pantalla.</div>
                                 </div>
                                 <div class="row row-cols-1 row-cols-md-2 g-2 cc-reparto-state-grid">
                                     <?php foreach (($repartoPreview['sequence'] ?? []) as $item): ?>
diff --git a/includes/callcenter_test_helpers.php b/includes/callcenter_test_helpers.php
index 78acfd97..cd257a4a 100644
--- a/includes/callcenter_test_helpers.php
+++ b/includes/callcenter_test_helpers.php
@@ -392,12 +392,25 @@ if (!function_exists('cc_test_ensure_reparto_settings_table')) {
 function cc_test_normalize_reparto_mode(?string $value): string
 {
     $value = mb_strtolower(trim((string) $value));
-    return in_array($value, ['automatico', 'automático', 'auto'], true) ? 'automatico' : 'manual';
+
+    if (in_array($value, ['automatico', 'automático', 'auto', 'hibrido', 'híbrido', 'hybrid'], true)) {
+        return 'automatico';
+    }
+
+    return 'manual';
 }
 
 function cc_test_reparto_mode_label(string $mode): string
 {
-    return cc_test_normalize_reparto_mode($mode) === 'automatico' ? 'Automático' : 'Manual';
+    return match (cc_test_normalize_reparto_mode($mode)) {
+        'automatico' => 'Automático',
+        default => 'Manual',
+    };
+}
+
+function cc_test_reparto_mode_is_auto(?string $mode): bool
+{
+    return cc_test_normalize_reparto_mode($mode) === 'automatico';
 }
 
 function cc_test_normalize_reparto_state(?string $value): string
@@ -615,6 +628,121 @@ function cc_test_upsert_reparto_settings(PDO $pdo, string $storeKey, array $sett
     $stmt->execute();
 }
 
+function cc_test_reparto_lock_name(string $storeKey): string
+{
+    $storeKey = trim(mb_strtolower($storeKey));
+    return 'cc_test_auto_reparto_' . substr(sha1($storeKey), 0, 24);
+}
+
+function cc_test_acquire_named_lock(PDO $pdo, string $lockName, int $timeoutSeconds = 0): bool
+{
+    try {
+        $stmt = $pdo->prepare('SELECT GET_LOCK(:lock_name, :timeout_seconds)');
+        $stmt->bindValue(':lock_name', $lockName, PDO::PARAM_STR);
+        $stmt->bindValue(':timeout_seconds', $timeoutSeconds, PDO::PARAM_INT);
+        $stmt->execute();
+        $result = $stmt->fetchColumn();
+
+        return (int) $result === 1;
+    } catch (Throwable $exception) {
+        error_log('cc_test_acquire_named_lock: ' . $exception->getMessage());
+        return false;
+    }
+}
+
+function cc_test_release_named_lock(PDO $pdo, string $lockName): void
+{
+    try {
+        $stmt = $pdo->prepare('SELECT RELEASE_LOCK(:lock_name)');
+        $stmt->bindValue(':lock_name', $lockName, PDO::PARAM_STR);
+        $stmt->execute();
+    } catch (Throwable $exception) {
+        error_log('cc_test_release_named_lock: ' . $exception->getMessage());
+    }
+}
+
+function cc_test_load_reparto_orders(PDO $pdo, string $storeKey): array
+{
+    $storeKey = trim(mb_strtolower($storeKey));
+    if ($storeKey === '') {
+        return [];
+    }
+
+    $availableStores = function_exists('drive_test_available_stores') ? drive_test_available_stores() : [];
+    $storeConfig = $availableStores[$storeKey] ?? [];
+
+    if (!empty($storeConfig['incremental_sync']) && function_exists('drive_test_sync_orders_incremental')) {
+        drive_test_sync_orders_incremental($pdo, $storeKey, 0);
+    }
+
+    if (!function_exists('drive_test_fetch_orders_from_db') || !function_exists('drive_test_fetch_tracking') || !function_exists('drive_test_merge_tracking')) {
+        return [];
+    }
+
+    $orders = drive_test_fetch_orders_from_db($pdo, $storeKey);
+    $tracking = drive_test_fetch_tracking($pdo, array_column($orders, 'source_key'));
+    $orders = drive_test_merge_tracking($orders, $tracking);
+
+    return array_values(array_filter($orders, static function (array $order): bool {
+        return empty($order['eliminado']);
+    }));
+}
+
+function cc_test_run_locked_reparto_job(PDO $pdo, string $storeKey, array $assessors, callable $loadOrders, array $settings = [], ?callable $filterOrders = null, int $lockTimeoutSeconds = 5): array
+{
+    $lockName = cc_test_reparto_lock_name($storeKey);
+
+    if (!cc_test_acquire_named_lock($pdo, $lockName, $lockTimeoutSeconds)) {
+        $currentSettings = cc_test_fetch_reparto_settings($pdo, $storeKey, $assessors);
+        return [
+            'assigned_count' => 0,
+            'rotation_index' => (int) ($currentSettings['rotation_index'] ?? 0),
+            'settings' => $currentSettings,
+            'preview' => cc_test_reparto_preview($assessors, $currentSettings),
+            'message' => 'El reparto automático ya se está ejecutando en otro proceso.',
+            'locked' => false,
+        ];
+    }
+
+    try {
+        $currentSettings = cc_test_fetch_reparto_settings($pdo, $storeKey, $assessors);
+        if (!empty($settings)) {
+            $currentSettings = array_replace($currentSettings, $settings);
+            $currentSettings['assessor_states'] = cc_test_reparto_normalize_states($currentSettings['assessor_states'] ?? [], $assessors);
+        }
+
+        $orders = $loadOrders();
+        if (!is_array($orders)) {
+            $orders = [];
+        }
+
+        if ($filterOrders !== null) {
+            $filteredOrders = $filterOrders($orders);
+            if (is_array($filteredOrders)) {
+                $orders = array_values($filteredOrders);
+            }
+        }
+
+        if (empty($orders)) {
+            return [
+                'assigned_count' => 0,
+                'rotation_index' => (int) ($currentSettings['rotation_index'] ?? 0),
+                'settings' => $currentSettings,
+                'preview' => cc_test_reparto_preview($assessors, $currentSettings),
+                'message' => 'No hay pedidos pendientes para repartir.',
+                'locked' => true,
+            ];
+        }
+
+        $result = cc_test_apply_daily_reparto($pdo, $storeKey, $orders, $assessors, $currentSettings);
+        $result['locked'] = true;
+
+        return $result;
+    } finally {
+        cc_test_release_named_lock($pdo, $lockName);
+    }
+}
+
 function cc_test_reparto_settings_signature(array $settings): string
 {
     $states = $settings['assessor_states'] ?? [];
diff --git a/reparto_auto_worker.php b/reparto_auto_worker.php
new file mode 100644
index 00000000..176241a9
--- /dev/null
+++ b/reparto_auto_worker.php
@@ -0,0 +1,42 @@
+<?php
+require_once __DIR__ . '/db/config.php';
+require_once __DIR__ . '/includes/callcenter_test_helpers.php';
+require_once __DIR__ . '/includes/drive_test_orders.php';
+
+if (php_sapi_name() !== 'cli') {
+    http_response_code(403);
+    header('Content-Type: text/plain; charset=utf-8');
+    echo "Este worker solo se ejecuta por CLI." . PHP_EOL;
+    exit(0);
+}
+
+$pdo = db();
+$storeKey = 'otra_tienda';
+$availableStores = drive_test_available_stores();
+$storeConfig = $availableStores[$storeKey] ?? [];
+$assessors = cc_test_fetch_assessors($pdo);
+$repartoSettings = cc_test_fetch_reparto_settings($pdo, $storeKey, $assessors);
+
+if (!cc_test_reparto_mode_is_auto($repartoSettings['reparto_mode'] ?? 'manual')) {
+    echo '[' . date('Y-m-d H:i:s') . '] Reparto automático omitido: modo manual en ' . $storeKey . PHP_EOL;
+    exit(0);
+}
+
+$result = cc_test_run_locked_reparto_job(
+    $pdo,
+    $storeKey,
+    $assessors,
+    static function () use ($pdo, $storeKey): array {
+        return cc_test_load_reparto_orders($pdo, $storeKey);
+    },
+    $repartoSettings,
+    static function (array $orders) use ($storeKey, $storeConfig): array {
+        return cc_test_filter_reparto_orders($orders, $storeKey, $storeConfig);
+    }
+);
+
+$assignedCount = (int) ($result['assigned_count'] ?? 0);
+$message = (string) ($result['message'] ?? '');
+$status = !empty($result['locked']) ? 'ok' : 'busy';
+
+echo '[' . date('Y-m-d H:i:s') . '] ' . $storeKey . ' | estado=' . $status . ' | asignados=' . $assignedCount . ' | ' . $message . PHP_EOL;