diff --git a/.vscode/ftp-kr.sync.cache.json b/.vscode/ftp-kr.sync.cache.json
index 9a1c73c..9632579 100644
--- a/.vscode/ftp-kr.sync.cache.json
+++ b/.vscode/ftp-kr.sync.cache.json
@@ -9,8 +9,8 @@
       },
       "api.php": {
         "type": "-",
-        "size": 2446,
-        "lmtime": 0,
+        "size": 4040,
+        "lmtime": 1772671706766,
         "modified": false
       },
       "autoload": {
@@ -71,9 +71,9 @@
           },
           "class.Api.php": {
             "type": "-",
-            "size": 20317,
-            "lmtime": 1744498273470,
-            "modified": true
+            "size": 25694,
+            "lmtime": 1772667215646,
+            "modified": false
           },
           "class.CampaignAlerts.php": {
             "type": "-",
@@ -83,8 +83,8 @@
           },
           "class.Campaigns.php": {
             "type": "-",
-            "size": 6153,
-            "lmtime": 1771626580811,
+            "size": 7262,
+            "lmtime": 1772671343928,
             "modified": false
           },
           "class.CampaignTerms.php": {
@@ -157,8 +157,8 @@
           },
           "class.Campaigns.php": {
             "type": "-",
-            "size": 13229,
-            "lmtime": 1771966790175,
+            "size": 14333,
+            "lmtime": 1772671326827,
             "modified": false
           },
           "class.Clients.php": {
@@ -707,6 +707,12 @@
           "lmtime": 1771966738564,
           "modified": false
         },
+        "026_clients_bestseller_settings.sql": {
+          "type": "-",
+          "size": 1613,
+          "lmtime": 1772611513545,
+          "modified": false
+        },
         "026_cron_queue.sql": {
           "type": "-",
           "size": 1851,
@@ -719,10 +725,10 @@
           "lmtime": 0,
           "modified": true
         },
-        "026_clients_bestseller_settings.sql": {
+        "027_campaigns_comments.sql": {
           "type": "-",
-          "size": 1613,
-          "lmtime": 1772611513545,
+          "size": 482,
+          "lmtime": 1772671313573,
           "modified": false
         }
       },
@@ -738,8 +744,8 @@
         "campaigns": {
           "main_view.php": {
             "type": "-",
-            "size": 21607,
-            "lmtime": 1771717394441,
+            "size": 24191,
+            "lmtime": 1772672347271,
             "modified": false
           }
         },
diff --git a/api.php b/api.php
index 0828fa4..b2099f2 100644
--- a/api.php
+++ b/api.php
@@ -71,6 +71,104 @@ if ( \S::get( 'action' ) == 'domain_opr_check' )
   exit;
 }
 
+// Dodawanie komentarza do kampanii przez API (z Claude Code)
+if ( \S::get( 'action' ) == 'campaign_comment_add' )
+{
+  $api_key = trim( \S::get( 'api_key' ) );
+  $stored_key = $mdb -> get( 'settings', 'setting_value', [ 'setting_key' => 'api_key' ] );
+
+  if ( !$api_key || !$stored_key || $api_key !== $stored_key )
+  {
+    echo json_encode( [ 'result' => 'error', 'message' => 'Invalid api_key' ] );
+    exit;
+  }
+
+  $external_campaign_id = trim( \S::get( 'campaign_id' ) );
+  $client_id_param = trim( \S::get( 'client_id' ) );
+  $comment = trim( \S::get( 'comment' ) );
+  $date = \S::get( 'date' ) ?: date( 'Y-m-d' );
+
+  if ( !$external_campaign_id || !$client_id_param || !$comment )
+  {
+    echo json_encode( [ 'result' => 'error', 'message' => 'Missing required params: campaign_id, client_id, comment' ] );
+    exit;
+  }
+
+  $client_id_clean = str_replace( '-', '', $client_id_param );
+
+  $local_campaign = $mdb -> query(
+    'SELECT c.id
+     FROM campaigns c
+     JOIN clients cl ON c.client_id = cl.id
+     WHERE c.campaign_id = :campaign_id
+       AND REPLACE( cl.google_ads_customer_id, \'-\', \'\' ) = :client_id
+     LIMIT 1',
+    [
+      ':campaign_id' => $external_campaign_id,
+      ':client_id' => $client_id_clean
+    ]
+  ) -> fetch( \PDO::FETCH_ASSOC );
+
+  if ( !$local_campaign )
+  {
+    echo json_encode( [ 'result' => 'error', 'message' => 'Campaign not found' ] );
+    exit;
+  }
+
+  \factory\Campaigns::add_campaign_comment( $local_campaign['id'], $comment, $date );
+
+  echo json_encode( [ 'result' => 'ok' ] );
+  exit;
+}
+
+// Zmiana custom_label_4 dla produktu przez API
+if ( \S::get( 'action' ) == 'product_custom_label_4_set' )
+{
+  $api_key = trim( \S::get( 'api_key' ) );
+  $stored_key = $mdb -> get( 'settings', 'setting_value', [ 'setting_key' => 'api_key' ] );
+
+  if ( !$api_key || !$stored_key || $api_key !== $stored_key )
+  {
+    echo json_encode( [ 'result' => 'error', 'message' => 'Invalid api_key' ] );
+    exit;
+  }
+
+  $offer_id        = trim( \S::get( 'offer_id' ) );
+  $client_id_param = trim( \S::get( 'client_id' ) );
+  $custom_label_4  = trim( \S::get( 'custom_label_4' ) );
+
+  if ( !$offer_id || !$client_id_param )
+  {
+    echo json_encode( [ 'result' => 'error', 'message' => 'Missing required params: offer_id, client_id' ] );
+    exit;
+  }
+
+  $product = $mdb -> query(
+    'SELECT p.id
+     FROM products p
+     JOIN clients cl ON p.client_id = cl.id
+     WHERE p.offer_id = :offer_id
+       AND cl.id = :client_id
+     LIMIT 1',
+    [
+      ':offer_id'  => $offer_id,
+      ':client_id' => (int) $client_id_param
+    ]
+  ) -> fetch( \PDO::FETCH_ASSOC );
+
+  if ( !$product )
+  {
+    echo json_encode( [ 'result' => 'error', 'message' => 'Product not found' ] );
+    exit;
+  }
+
+  \factory\Products::set_product_data( $product['id'], 'custom_label_4', $custom_label_4 );
+  \factory\Products::add_product_comment( $product['id'], 'Zmiana etykiety 4 na: ' . $custom_label_4 . ' (API)' );
+
+  echo json_encode( [ 'result' => 'ok' ] );
+  exit;
+}
+
 // Open Page Rank - zapis
 if ( \S::get( 'action' ) == 'domain_opr_save' )
 {
diff --git a/autoload/controls/class.Campaigns.php b/autoload/controls/class.Campaigns.php
index 0e229dc..405bbe2 100644
--- a/autoload/controls/class.Campaigns.php
+++ b/autoload/controls/class.Campaigns.php
@@ -103,7 +103,7 @@ class Campaigns
     echo json_encode( [
       'chart_data' => $chart_data,
       'dates' => $dates,
-      'comments' => []
+      'comments' => \factory\Campaigns::get_campaign_comments( $campaign_id )
     ] );
     exit;
   }
@@ -221,4 +221,38 @@ class Campaigns
     echo json_encode( [ 'success' => true, 'deleted' => $deleted ] );
     exit;
   }
+
+  static public function comment_add()
+  {
+    $campaign_id = (int) \S::get( 'campaign_id' );
+    $comment = trim( \S::get( 'comment' ) );
+    $date = \S::get( 'date' );
+
+    if ( !$campaign_id || !$comment )
+    {
+      echo json_encode( [ 'success' => false, 'message' => 'Brak wymaganych parametrów' ] );
+      exit;
+    }
+
+    $result = \factory\Campaigns::add_campaign_comment( $campaign_id, $comment, $date ?: null );
+
+    echo json_encode( [ 'success' => $result ? true : false ] );
+    exit;
+  }
+
+  static public function comment_delete()
+  {
+    $comment_id = (int) \S::get( 'comment_id' );
+
+    if ( !$comment_id )
+    {
+      echo json_encode( [ 'success' => false, 'message' => 'Nie podano komentarza' ] );
+      exit;
+    }
+
+    $result = \factory\Campaigns::delete_campaign_comment( $comment_id );
+
+    echo json_encode( [ 'success' => $result ? true : false ] );
+    exit;
+  }
 }
diff --git a/autoload/factory/class.Campaigns.php b/autoload/factory/class.Campaigns.php
index 498314f..e4741b7 100644
--- a/autoload/factory/class.Campaigns.php
+++ b/autoload/factory/class.Campaigns.php
@@ -415,4 +415,31 @@ class Campaigns
     $mdb -> delete( 'campaigns_history', [ 'id' => $ids ] );
     return count( $ids );
   }
+
+  static public function get_campaign_comments( $campaign_id )
+  {
+    global $mdb;
+    return $mdb -> query( 'SELECT id, comment, date_add FROM campaigns_comments WHERE campaign_id = \'' . (int) $campaign_id . '\' ORDER BY date_add DESC' ) -> fetchAll( \PDO::FETCH_ASSOC );
+  }
+
+  static public function add_campaign_comment( $campaign_id, $comment, $date = null )
+  {
+    global $mdb;
+
+    if ( !$date )
+      $date = date( 'Y-m-d' );
+    else
+      $date = date( 'Y-m-d', strtotime( $date ) );
+
+    if ( $mdb -> count( 'campaigns_comments', [ 'AND' => [ 'campaign_id' => $campaign_id, 'date_add' => $date ] ] ) )
+      return $mdb -> update( 'campaigns_comments', [ 'comment' => $comment ], [ 'AND' => [ 'campaign_id' => $campaign_id, 'date_add' => $date ] ] );
+    else
+      return $mdb -> insert( 'campaigns_comments', [ 'campaign_id' => $campaign_id, 'comment' => $comment, 'date_add' => $date ] );
+  }
+
+  static public function delete_campaign_comment( $comment_id )
+  {
+    global $mdb;
+    return $mdb -> delete( 'campaigns_comments', [ 'id' => $comment_id ] );
+  }
 }
diff --git a/migrations/027_campaigns_comments.sql b/migrations/027_campaigns_comments.sql
new file mode 100644
index 0000000..2669e69
--- /dev/null
+++ b/migrations/027_campaigns_comments.sql
@@ -0,0 +1,10 @@
+CREATE TABLE IF NOT EXISTS `campaigns_comments` (
+  `id` INT(11) NOT NULL AUTO_INCREMENT,
+  `campaign_id` INT(11) NOT NULL,
+  `comment` TEXT NOT NULL,
+  `date_add` DATE NOT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `uk_campaign_comment_date` (`campaign_id`, `date_add`),
+  KEY `idx_campaign_id` (`campaign_id`),
+  CONSTRAINT `FK_campaigns_comments_campaigns` FOREIGN KEY (`campaign_id`) REFERENCES `campaigns` (`id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
diff --git a/templates/campaigns/main_view.php b/templates/campaigns/main_view.php
index ab67544..f7a5888 100644
--- a/templates/campaigns/main_view.php
+++ b/templates/campaigns/main_view.php
@@ -235,23 +235,25 @@ function reloadChart()
     {
       var parsedData = JSON.parse( response );
       var plotLines = [];
+      var chartComments = parsedData.comments || [];
+      var commentData = [];
+
+      chartComments.forEach( function( comment ) {
+        var idx = parsedData.dates.indexOf( comment.date_add.split(' ')[0] );
+        if ( idx < 0 ) return;
+
+        commentData.push({ idx: idx, text: comment.comment, date: comment.date_add });
 
-      parsedData.comments.forEach( function( comment ) {
         plotLines.push({
-          color: '#333333',
-          width: 1,
-          value: parsedData.dates.indexOf( comment.date_add.split(' ')[0] ),
-          dashStyle: 'Solid',
-          label: {
-            text: comment.comment,
-            align: 'left',
-            style: { color: '#333333', fontSize: '13px' }
-          },
+          color: '#FF6B00',
+          width: 2,
+          value: idx,
+          dashStyle: 'Dash',
           zIndex: 5
         });
       });
 
-      Highcharts.chart( 'container', {
+      var chart = Highcharts.chart( 'container', {
         chart: {
           style: { fontFamily: '"Roboto", sans-serif' },
           backgroundColor: 'transparent'
@@ -296,6 +298,47 @@ function reloadChart()
         tooltip: { style: { fontSize: '13px' } },
         credits: { enabled: false }
       });
+
+      // Nakładamy klikalne ikonki komentarzy jako elementy HTML nad wykresem
+      $( '#container .chart-comment-icons' ).remove();
+      if ( chart && commentData.length ) {
+        var $wrap = $( '<div class="chart-comment-icons"></div>' ).css({ position: 'absolute', top: 0, left: 0, right: 0, bottom: 0, 'pointer-events': 'none', 'z-index': 10, overflow: 'visible' });
+        $( '#container' ).css({ position: 'relative', overflow: 'visible' }).append( $wrap );
+
+        commentData.forEach( function( c, i ) {
+          var px = chart.xAxis[0].toPixels( c.idx, false );
+          var $icon = $( '<i class="fa-solid fa-comment"></i>' )
+            .css({
+              position: 'absolute',
+              left: px - 8,
+              top: chart.plotTop + 5,
+              color: '#FF6B00',
+              fontSize: '16px',
+              cursor: 'pointer',
+              'pointer-events': 'auto'
+            })
+            .attr( 'title', 'Komentarz \u2014 ' + c.date )
+            .data( 'comment-index', i );
+          $wrap.append( $icon );
+        });
+
+        $wrap.on( 'click', 'i', function() {
+          var c = commentData[ $( this ).data( 'comment-index' ) ];
+          if ( !c ) return;
+
+          var html = $( '<span>' ).text( c.text ).html();
+          html = html.replace( /\n/g, '<br>' );
+          html = html.replace( /\. /g, '.<br>' );
+
+          $.alert({
+            title: '<i class="fa-solid fa-comment" style="color:#FF6B00;"></i> Komentarz \u2014 ' + c.date,
+            content: '<div style="font-size:14px;line-height:1.7;">' + html + '</div>',
+            closeIcon: true,
+            columnClass: 'col-md-6 col-md-offset-3',
+            buttons: { ok: { text: 'Zamknij', btnClass: 'btn-blue' } }
+          });
+        });
+      }
     },
     error: function( jqXHR, textStatus, errorThrown ) {
       console.error( 'Error AJAX:', textStatus, errorThrown );