diff --git a/call_center_pro.php b/call_center_pro.php
index 563a1606..95746f00 100644
--- a/call_center_pro.php
+++ b/call_center_pro.php
@@ -1,5 +1,8 @@
 <?php
 session_start();
+header('Cache-Control: no-store, no-cache, must-revalidate, max-age=0');
+header('Pragma: no-cache');
+header('Expires: 0');
 require_once 'db/config.php';
 require_once 'includes/callcenter_test_helpers.php';
 require_once 'includes/drive_test_orders.php';
@@ -415,7 +418,7 @@ $selectedAssessorFilterLabel = '';
 $totalRows = 0;
 $agregadosCount = 0;
 $lastProcessedRow = null;
-$startRow = (int) ($storeConfig['startRow'] ?? 5552);
+$startRow = (int) ($storeConfig['startRow'] ?? 0);
 $catalogoProductos = [];
 $stats = [
     'total' => 0,
@@ -627,8 +630,10 @@ try {
     $role = (string) ($_SESSION['user_role'] ?? '');
     $currentUserId = (int) ($_SESSION['user_id'] ?? 0);
     $isAdmin = in_array($role, ['Administrador', 'admin'], true);
-    $selectedAssessorFilter = cc_test_normalize_user_key($_GET['assessor'] ?? '');
-    if (!$isAdmin || ($selectedAssessorFilter !== '' && !isset($assessors[$selectedAssessorFilter]))) {
+    if ($isAdmin) {
+        $selectedAssessorFilter = cc_test_resolve_callcenter_assessor_filter($assessors, $_GET['assessor'] ?? null, true, true);
+    } else {
+        unset($_SESSION[cc_test_callcenter_assessor_filter_session_key()]);
         $selectedAssessorFilter = '';
     }
     $selectedAssessorFilterLabel = $selectedAssessorFilter !== ''
@@ -1151,7 +1156,7 @@ require_once 'layout_header.php';
                         <div class="col-12 col-lg-4">
                             <label for="assessorFilter" class="form-label small text-uppercase text-muted fw-semibold mb-1">Filtrar por asesora</label>
                             <select name="assessor" id="assessorFilter" class="form-select">
-                                <option value="">Todas las asesoras</option>
+                                <option value="TODAS"<?php echo $selectedAssessorFilter === "" ? ' selected' : ''; ?>>Todas las asesoras</option>
                                 <?php foreach ($assessors as $assessorKey => $assessor): ?>
                                     <option value="<?php echo htmlspecialchars((string) $assessorKey); ?>"<?php echo $selectedAssessorFilter === $assessorKey ? ' selected' : ''; ?>><?php echo htmlspecialchars((string) ($assessor['label'] ?? $assessorKey)); ?></option>
                                 <?php endforeach; ?>
@@ -1161,7 +1166,7 @@ require_once 'layout_header.php';
                         <div class="col-auto d-flex gap-2">
                             <button type="submit" class="btn btn-primary">Aplicar filtro</button>
                             <?php if ($selectedAssessorFilter !== ''): ?>
-                                <a href="<?php echo htmlspecialchars(cc_test_build_url('call_center_pro.php', $callCenterBaseParams)); ?>" class="btn btn-outline-secondary">Ver todas</a>
+                                <a href="<?php echo htmlspecialchars(cc_test_build_url('call_center_pro.php', array_merge($callCenterBaseParams, ['assessor' => 'TODAS']))); ?>" class="btn btn-outline-secondary">Ver todas</a>
                             <?php endif; ?>
                         </div>
 
diff --git a/gestiones_callcenter.php b/gestiones_callcenter.php
index 4df7c441..cccdc1fa 100644
--- a/gestiones_callcenter.php
+++ b/gestiones_callcenter.php
@@ -1,5 +1,8 @@
 <?php
 session_start();
+header('Cache-Control: no-store, no-cache, must-revalidate, max-age=0');
+header('Pragma: no-cache');
+header('Expires: 0');
 require_once 'db/config.php';
 require_once 'includes/callcenter_test_helpers.php';
 require_once 'includes/drive_test_orders.php';
@@ -321,6 +324,9 @@ $modalsHtml = [];
 $totalRows = 0;
 $agregadosCount = 0;
 $lastProcessedRow = null;
+$selectedAssessorFilter = '';
+$selectedAssessorFilterLabel = '';
+$persistedAssessorParams = [];
 
 $repartoSettings = [
     'store_key' => $storeKey,
@@ -350,7 +356,7 @@ $cupoObjetivoPorAsesora = 10;
 $advisorOpenCounts = [];
 $advisorTotalCounts = [];
 $recommendedAssessorKey = null;
-$startRow = (int) ($storeConfig['startRow'] ?? 5552);
+$startRow = (int) ($storeConfig['startRow'] ?? 0);
 $catalogoProductos = [];
 $stats = [
     'total' => 0,
@@ -369,6 +375,16 @@ try {
     cc_test_ensure_tracking_table($pdo);
     cc_test_ensure_historial_llamadas_table($pdo);
     $assessors = cc_test_fetch_assessors($pdo);
+    $selectedAssessorFilter = cc_test_resolve_callcenter_assessor_filter($assessors, $_GET['assessor'] ?? null, true, true);
+    $selectedAssessorFilterLabel = $selectedAssessorFilter !== ''
+        ? (string) ($assessors[$selectedAssessorFilter]['label'] ?? $selectedAssessorFilter)
+        : '';
+    $persistedAssessorParams = $selectedAssessorFilter !== ''
+        ? ['assessor' => $selectedAssessorFilter]
+        : [];
+    if ($selectedAssessorFilterLabel !== '') {
+        $pageTitle = 'Base de Datos Pedidos | Asignación · ' . $selectedAssessorFilterLabel;
+    }
     if ($isMainTuaniStore) {
         $repartoSettings = cc_test_fetch_reparto_settings($pdo, $storeKey, $assessors);
     }
@@ -866,6 +882,15 @@ try {
         $order['es_nuevo_hoy'] = $firstSeenDate ? $firstSeenDate->format('Y-m-d') === $todayStart->format('Y-m-d') : false;
         $order['es_pendiente_hoy'] = !$order['es_promo_final'] && (in_array($order['estado'], $openStates, true) || $order['pendiente_logistica']);
         $order['es_cerrado'] = in_array($order['estado'], $closedStates, true);
+        $order['assessor_key'] = cc_test_dashboard_bucket_key($order, $assessors, false);
+        $order['assessor_label'] = $order['assessor_key'] !== ''
+            ? (string) ($assessors[$order['assessor_key']]['label'] ?? $order['assessor_key'])
+            : 'Sin asignar';
+        $order['matches_assessor_filter'] = $selectedAssessorFilter === '' || $order['assessor_key'] === $selectedAssessorFilter;
+
+        if ($selectedAssessorFilter !== '' && !($order['matches_assessor_filter'] ?? false)) {
+            continue;
+        }
 
         if ($order['user_id'] !== null) {
             $userId = (int) $order['user_id'];
@@ -907,7 +932,13 @@ try {
 
     $orders = cc_test_mark_recoverables_duplicate_orders($pdo, $orders, $storeKey);
 
-    $performanceDashboard = cc_test_build_performance_dashboard($orders, $assessors, 7);
+    $performanceOrders = $selectedAssessorFilter !== ''
+        ? array_values(array_filter($orders, static function (array $order) use ($selectedAssessorFilter): bool {
+            return ($order['matches_assessor_filter'] ?? false) === true;
+        }))
+        : $orders;
+
+    $performanceDashboard = cc_test_build_performance_dashboard($performanceOrders, $assessors, 7);
     $performanceDashboardHtml = cc_test_render_performance_dashboard($performanceDashboard, [
         'title' => 'KPI diario por asesora',
         'subtitle' => 'Confirmación = pedidos asignados hoy confirmados hoy. Recuperación = pedidos asignados antes de hoy confirmados hoy. Rendimiento del día = confirmados totales (nuevos + recuperados) sobre asignados hoy.',
@@ -985,7 +1016,7 @@ try {
         ];
     }
 
-    $visibleOrders = array_values(array_filter($orders, static function (array $order) use ($view, $todayStart): bool {
+    $visibleOrders = array_values(array_filter($performanceOrders, static function (array $order) use ($view, $todayStart): bool {
         return match ($view) {
             'pendientes_hoy' => (bool) ($order['es_pendiente_hoy'] ?? false),
             'nuevos_hoy' => (bool) ($order['es_nuevo_hoy'] ?? false),
@@ -1330,14 +1361,14 @@ require_once 'layout_header.php';
             <div>
                 <h1 class="h2 fw-bold mb-1"><i class="bi bi-headset text-primary"></i> Base de Datos Pedidos</h1>
                 <div class="d-flex flex-wrap gap-2 mt-3">
-                    <a href="?view=pendientes_hoy&store=<?php echo htmlspecialchars($storeKey); ?>" class="btn btn-sm <?php echo $view !== 'todos' ? 'btn-primary' : 'btn-outline-primary'; ?>">Bandeja principal</a>
-                    <a href="call_center_pro.php?view=<?php echo urlencode($view); ?>&store=<?php echo htmlspecialchars($storeKey); ?>" class="btn btn-sm btn-outline-dark"><?php echo htmlspecialchars($callCenterSectionLabel); ?></a>
+                    <a href="<?php echo htmlspecialchars(cc_test_build_url('gestiones_callcenter.php', array_merge(['view' => 'pendientes_hoy', 'store' => $storeKey], $persistedAssessorParams))); ?>" class="btn btn-sm <?php echo $view !== 'todos' ? 'btn-primary' : 'btn-outline-primary'; ?>">Bandeja principal</a>
+                    <a href="<?php echo htmlspecialchars(cc_test_build_url('call_center_pro.php', array_merge(['view' => $view, 'store' => $storeKey], $persistedAssessorParams))); ?>" class="btn btn-sm btn-outline-dark"><?php echo htmlspecialchars($callCenterSectionLabel); ?></a>
                 </div>
                 <ul class="nav nav-pills mt-3 flex-wrap gap-2" role="tablist" aria-label="Selector de tienda">
                     <?php foreach ($storeNavGroups as $groupKey => $group): ?>
                         <?php $groupConfig = $group['config'] ?? []; ?>
                         <li class="nav-item">
-                            <a class="nav-link <?php echo $activeStoreGroupKey === $groupKey ? 'active' : ''; ?>" href="<?php echo htmlspecialchars(cc_test_build_url('gestiones_callcenter.php', ['view' => $view, 'store' => $groupKey])); ?>">
+                            <a class="nav-link <?php echo $activeStoreGroupKey === $groupKey ? 'active' : ''; ?>" href="<?php echo htmlspecialchars(cc_test_build_url('gestiones_callcenter.php', array_merge(['view' => $view, 'store' => $groupKey], $persistedAssessorParams))); ?>">
                                 <?php echo htmlspecialchars((string) ($groupConfig['label'] ?? strtoupper((string) $groupKey))); ?>
                             </a>
                         </li>
@@ -1347,9 +1378,9 @@ require_once 'layout_header.php';
                     <div class="mt-3 p-3 rounded-4 border bg-light">
                         <div class="small text-uppercase text-muted fw-semibold mb-2">Dentro de <?php echo htmlspecialchars($activeStoreGroupLabel); ?></div>
                         <div class="d-flex flex-wrap gap-2">
-                            <a class="btn btn-sm <?php echo $storeKey === $activeStoreGroupKey ? 'btn-primary' : 'btn-outline-primary'; ?>" href="<?php echo htmlspecialchars(cc_test_build_url('gestiones_callcenter.php', ['view' => $view, 'store' => $activeStoreGroupKey])); ?>">Pedidos <?php echo htmlspecialchars($activeStoreGroupLabel); ?></a>
+                            <a class="btn btn-sm <?php echo $storeKey === $activeStoreGroupKey ? 'btn-primary' : 'btn-outline-primary'; ?>" href="<?php echo htmlspecialchars(cc_test_build_url('gestiones_callcenter.php', array_merge(['view' => $view, 'store' => $activeStoreGroupKey], $persistedAssessorParams))); ?>">Pedidos <?php echo htmlspecialchars($activeStoreGroupLabel); ?></a>
                             <?php foreach ($activeStoreGroupChildren as $childKey => $childConfig): ?>
-                                <a class="btn btn-sm <?php echo $storeKey === $childKey ? 'btn-primary' : 'btn-outline-primary'; ?>" href="<?php echo htmlspecialchars(cc_test_build_url('gestiones_callcenter.php', ['view' => $view, 'store' => $childKey])); ?>">
+                                <a class="btn btn-sm <?php echo $storeKey === $childKey ? 'btn-primary' : 'btn-outline-primary'; ?>" href="<?php echo htmlspecialchars(cc_test_build_url('gestiones_callcenter.php', array_merge(['view' => $view, 'store' => $childKey], $persistedAssessorParams))); ?>">
                                     <?php echo htmlspecialchars((string) ($childConfig['label'] ?? strtoupper((string) $childKey))); ?>
                                 </a>
                             <?php endforeach; ?>
@@ -1362,6 +1393,10 @@ require_once 'layout_header.php';
                 <span class="badge rounded-pill text-bg-light border px-3 py-2">Agregados: <?php echo (int) $agregadosCount; ?></span>
                 <span class="badge rounded-pill text-bg-light border px-3 py-2"><?php if ($usesIncrementalSync && $lastProcessedRow !== null): ?><?php echo htmlspecialchars(mb_strtoupper($storeLabel)); ?>: distribución desde fila <?php echo (int) ($storeConfig['startRow'] ?? $startRow); ?> · último procesado <?php echo (int) $lastProcessedRow; ?><?php else: ?>Extracción: desde fila <?php echo (int) $startRow; ?><?php endif; ?></span>
                 <span class="badge rounded-pill text-bg-light border px-3 py-2">Auto actualización: cada 10 min</span>
+                <?php if ($selectedAssessorFilterLabel !== ''): ?>
+                    <span class="badge rounded-pill bg-primary-subtle text-primary-emphasis border px-3 py-2">Asesora: <?php echo htmlspecialchars($selectedAssessorFilterLabel); ?></span>
+                    <a href="<?php echo htmlspecialchars(cc_test_build_url('gestiones_callcenter.php', ['view' => $view, 'store' => $storeKey, 'assessor' => 'TODAS'])); ?>" class="btn btn-outline-secondary btn-sm">Ver todas</a>
+                <?php endif; ?>
                 <a href="test_importar_drive.php?store=<?php echo htmlspecialchars($storeKey); ?>" class="btn btn-outline-primary btn-sm">Ver vista previa Drive</a>
             </div>
         </div>
@@ -1429,7 +1464,7 @@ require_once 'layout_header.php';
                 <?php $cardClass = $isActiveCard ? $viewCard['active_class'] : 'bg-white'; ?>
                 <?php $labelClass = $isActiveCard && str_contains((string) ($viewCard['active_class'] ?? ''), 'text-white') ? 'opacity-75' : 'text-muted'; ?>
                 <div class="<?php echo htmlspecialchars($viewCardColumnClass); ?>">
-                    <a href="<?php echo htmlspecialchars(cc_test_build_url('gestiones_callcenter.php', ['view' => $viewKey, 'store' => $storeKey])); ?>" class="text-decoration-none">
+                    <a href="<?php echo htmlspecialchars(cc_test_build_url('gestiones_callcenter.php', array_merge(['view' => $viewKey, 'store' => $storeKey], $persistedAssessorParams))); ?>" class="text-decoration-none">
                         <article class="card border-0 shadow-sm h-100 <?php echo htmlspecialchars($cardClass); ?>">
                             <div class="card-body">
                                 <div class="small text-uppercase <?php echo htmlspecialchars($labelClass); ?> mb-2"><?php echo htmlspecialchars((string) ($viewCard['label'] ?? $viewKey)); ?></div>
diff --git a/includes/callcenter_test_helpers.php b/includes/callcenter_test_helpers.php
index 315f445e..a2b3f96e 100644
--- a/includes/callcenter_test_helpers.php
+++ b/includes/callcenter_test_helpers.php
@@ -812,6 +812,53 @@ function cc_test_normalize_user_key(?string $value): string
     return mb_strtoupper($value);
 }
 
+function cc_test_callcenter_assessor_filter_session_key(): string
+{
+    return 'callcenter_assessor_filter';
+}
+
+function cc_test_callcenter_assessor_filter_clear_values(): array
+{
+    return ['ALL', 'TODAS', 'TODOS', '__ALL__'];
+}
+
+function cc_test_resolve_callcenter_assessor_filter(array $assessors, ?string $incomingFilter = null, bool $useSessionFallback = true, bool $persistSession = true): string
+{
+    $sessionKey = cc_test_callcenter_assessor_filter_session_key();
+    $incomingFilter = cc_test_normalize_user_key($incomingFilter ?? '');
+    $sessionFilter = cc_test_normalize_user_key($_SESSION[$sessionKey] ?? '');
+
+    if ($incomingFilter !== '') {
+        if (in_array($incomingFilter, cc_test_callcenter_assessor_filter_clear_values(), true)) {
+            unset($_SESSION[$sessionKey]);
+            return '';
+        }
+
+        if (isset($assessors[$incomingFilter])) {
+            if ($persistSession) {
+                $_SESSION[$sessionKey] = $incomingFilter;
+            }
+            return $incomingFilter;
+        }
+
+        if ($persistSession) {
+            unset($_SESSION[$sessionKey]);
+        }
+
+        return '';
+    }
+
+    if ($useSessionFallback && $sessionFilter !== '' && isset($assessors[$sessionFilter])) {
+        return $sessionFilter;
+    }
+
+    if (!$persistSession) {
+        unset($_SESSION[$sessionKey]);
+    }
+
+    return '';
+}
+
 function cc_test_allowed_module_user_keys(): array
 {
     return cc_test_default_assessor_keys();
diff --git a/includes/drive_test_orders.php b/includes/drive_test_orders.php
index d0c593fb..fb930bda 100644
--- a/includes/drive_test_orders.php
+++ b/includes/drive_test_orders.php
@@ -29,8 +29,8 @@ function drive_test_available_stores(): array
             'sheet_title' => 'TUANI PEDIDOS',
             'spreadsheet_id' => '1QYKeBJIIqYm6yW6Ka-5gKdxhUHwXOAc0No7RjnimxTw',
             'sheet_gid' => 1523126328,
-            'startRow' => 5552,
-            'enforce_db_start_row' => false,
+            'startRow' => 6804,
+            'enforce_db_start_row' => true,
             'incremental_sync' => true,
         ],
         // Bandeja compartida de carritos recuperables: misma estructura, pero desde la fila 2000.
@@ -202,9 +202,12 @@ function drive_test_extract_codigo_number(?string $codigo): ?int
     return (int) $digits;
 }
 
-function drive_test_fetch_orders(int $limit = 10, int $startRow = 5552, string $storeKey = 'flower'): array
+function drive_test_fetch_orders(int $limit = 10, ?int $startRow = null, string $storeKey = 'flower'): array
 {
     $storeConfig = drive_test_get_store_config($storeKey);
+    if ($startRow === null || $startRow <= 0) {
+        $startRow = (int) ($storeConfig['startRow'] ?? 0);
+    }
 
     $credentialsPath = __DIR__ . '/../google_credentials.json';
     $spreadsheetId = (string) ($storeConfig['spreadsheet_id'] ?? '');
@@ -612,7 +615,7 @@ function drive_test_sync_orders_incremental(PDO $pdo, string $storeKey, int $ove
 {
     $storeKey = mb_strtolower(trim($storeKey));
     $storeConfig = drive_test_get_store_config($storeKey);
-    $baselineStartRow = (int) ($storeConfig['startRow'] ?? 5552);
+    $baselineStartRow = (int) ($storeConfig['startRow'] ?? 0);
 
     drive_test_ensure_orders_table($pdo);
     drive_test_ensure_import_checkpoints_table($pdo);
diff --git a/layout_header.php b/layout_header.php
index ad7194e2..cc51dbb2 100644
--- a/layout_header.php
+++ b/layout_header.php
@@ -33,6 +33,23 @@ if ($currentUserId > 0 && !in_array($userRole, ['Administrador', 'admin'], true)
 }
 
 $canAccessTestModule = cc_test_is_allowed_module_user($userRole, $currentUserUsername, $currentUserNombreAsesor);
+$currentAssessorFilter = cc_test_normalize_user_key($_GET['assessor'] ?? ($_SESSION[cc_test_callcenter_assessor_filter_session_key()] ?? ''));
+if (in_array($currentAssessorFilter, cc_test_callcenter_assessor_filter_clear_values(), true)) {
+    $currentAssessorFilter = '';
+}
+$shouldPersistAssessor = $currentAssessorFilter !== '';
+$callCenterPersistentParams = $shouldPersistAssessor ? ['assessor' => $currentAssessorFilter] : [];
+$appendCallCenterParams = static function (string $url) use ($callCenterPersistentParams): string {
+    if (empty($callCenterPersistentParams)) {
+        return $url;
+    }
+
+    if (!in_array($url, ['gestiones_callcenter.php', 'call_center_pro.php'], true)) {
+        return $url;
+    }
+
+    return $url . '?' . http_build_query($callCenterPersistentParams);
+};
 
 // Define navigation items for each role
 $navItems = [
@@ -451,7 +468,7 @@ $navItems = [
                                             $isActive = $currentPage == $sub_item['url'] ? 'active' : '';
                                     ?>
                                             <li class="nav-item">
-                                                <a href="<?php echo $sub_item['url']; ?>" class="nav-link <?php echo $isActive; ?>"><i class="fas <?php echo $sub_item['icon']; ?>"></i> <?php echo $sub_item['text']; ?></a>
+                                                <a href="<?php echo htmlspecialchars($appendCallCenterParams($sub_item['url'])); ?>" class="nav-link <?php echo $isActive; ?>"><i class="fas <?php echo $sub_item['icon']; ?>"></i> <?php echo $sub_item['text']; ?></a>
                                             </li>
                                     <?php
                                         endif;
@@ -462,7 +479,7 @@ $navItems = [
                             $isActive = $currentPage == $item['url'] ? 'active' : '';
                         ?>
                             <li class="nav-item">
-                                <a href="<?php echo $item['url']; ?>" class="nav-link <?php echo $isActive; ?>"><i class="fas <?php echo $item['icon']; ?>"></i> <?php echo $item['text']; ?></a>
+                                <a href="<?php echo htmlspecialchars($appendCallCenterParams($item['url'])); ?>" class="nav-link <?php echo $isActive; ?>"><i class="fas <?php echo $item['icon']; ?>"></i> <?php echo $item['text']; ?></a>
                             </li>
                         <?php endif;
                     endif;