feat(server): add show_on_tv product flag and public /tv products API

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Models/Product.php

@@ -19,6 +19,7 @@ class Product extends Model
     private static ?bool $priceColumnExists = null;
     private static ?bool $orderLimitColumnsExist = null;
     private static ?bool $showInAssetsColumnExists = null;
+    private static ?bool $showOnTvColumnExists = null;
     private static ?bool $useLastPriceIfZeroColumnExists = null;
     private static ?bool $directPriceColumnExists = null;
     private static ?bool $appPriceColumnExists = null;
@@ -46,6 +47,9 @@ class Product extends Model
             if (!static::hasShowInAssetsColumn()) {
                 unset($product->attributes['show_in_assets']);
             }
+            if (!static::hasShowOnTvColumn()) {
+                unset($product->attributes['show_on_tv']);
+            }
             if (!static::hasUseLastPriceIfZeroColumn()) {
                 unset($product->attributes['use_last_price_if_zero']);
             }
@@ -231,6 +235,24 @@ class Product extends Model
         return static::$showInAssetsColumnExists;
     }
 
+    public static function hasShowOnTvColumn(): bool
+    {
+        if (static::$showOnTvColumnExists !== null) {
+            return static::$showOnTvColumnExists;
+        }
+
+        try {
+            static::$showOnTvColumnExists = Schema::hasColumn(
+                (new static)->getTable(),
+                'show_on_tv'
+            );
+        } catch (\Throwable) {
+            static::$showOnTvColumnExists = false;
+        }
+
+        return static::$showOnTvColumnExists;
+    }
+
     public static function hasUseLastPriceIfZeroColumn(): bool
     {
         if (static::$useLastPriceIfZeroColumnExists !== null) {
@@ -413,6 +435,7 @@ class Product extends Model
         'for_barayand',      // Whether it is for Barayand (boolean).
         'show',              // Whether to show the record (boolean).
         'show_in_assets',    // Show balance on customer assets page cards
+        'show_on_tv',        // Show this product on customer /tv board
         'trade_by_quantity', // UI معامله مقداری: ارزش کل + مقدار
         'use_last_price_if_zero', // Keep last DB price when automatic provider returns zero
         'open_sell',         // Whether selling is open (boolean).
@@ -448,6 +471,7 @@ class Product extends Model
 
     protected $attributes = [
         'show_in_assets' => false,
+        'show_on_tv' => false,
         'trade_by_quantity' => false,
         'use_last_price_if_zero' => false,
         'cash_fee_buy_is_percent' => false,
@@ -461,6 +485,7 @@ class Product extends Model
         'active' => 'boolean',        // Cast to boolean.
         'show' => 'boolean',          // Cast to boolean.
         'show_in_assets' => 'boolean',
+        'show_on_tv' => 'boolean',
         'trade_by_quantity' => 'boolean',
         'use_last_price_if_zero' => 'boolean',
         'override_trading_hours' => 'boolean',