diff --git a/app/app/Services/Sales/PlatformWarmingDecider.php b/app/app/Services/Sales/PlatformWarmingDecider.php
index 51d57acf..03ce273d 100644
--- a/app/app/Services/Sales/PlatformWarmingDecider.php
+++ b/app/app/Services/Sales/PlatformWarmingDecider.php
@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace App\Services\Sales;
 
 use App\Models\SalesAdAudienceFirm;
+use App\Models\SalesAdAudienceFirmChannel;
 use App\Models\SalesAdAudiencePlatform;
 use App\Models\SalesProspect;
 use Carbon\Carbon;
@@ -38,6 +39,34 @@ final class PlatformWarmingDecider
             ->decide($this->firmArray($firm, $prospect), $now);
     }
 
+    /**
+     * Решение по СТРОКЕ канала (firm_channels): flat — свой простой срок,
+     * funnel — та же логика decide(), но точка отсчёта warmup — из строки
+     * канала, не из firm.warmup_started_at (у каждого канала свой заезд).
+     *
+     * @return array{state: string, reason: ?string, resume_at: ?CarbonImmutable}
+     */
+    public function decideForChannelRow(
+        SalesAdAudienceFirm $firm,
+        SalesAdAudiencePlatform $platform,
+        ?SalesProspect $prospect,
+        SalesAdAudienceFirmChannel $row,
+        CarbonImmutable $now
+    ): array {
+        if ($row->mode === 'flat') {
+            $started = $row->warming_started_at?->toImmutable() ?? $now;
+
+            return $started->addDays((int) $row->flat_days)->greaterThan($now)
+                ? ['state' => 'active', 'reason' => null, 'resume_at' => null]
+                : ['state' => 'stopped', 'reason' => 'flat_done', 'resume_at' => null];
+        }
+
+        $arr = $this->firmArray($firm, $prospect);
+        $arr['warmup_started_at'] = $row->warming_started_at?->toImmutable();
+
+        return (new AdAudienceScheduler($platform->durations()))->decide($arr, $now);
+    }
+
     /**
      * Сборка входа для планировщика — 1:1 как RecalcAdAudienceJob::recalcFirm.
      *
diff --git a/app/tests/Unit/PlatformWarmingDeciderTest.php b/app/tests/Unit/PlatformWarmingDeciderTest.php
index ad6d8bb7..ec4b80b0 100644
--- a/app/tests/Unit/PlatformWarmingDeciderTest.php
+++ b/app/tests/Unit/PlatformWarmingDeciderTest.php
@@ -3,9 +3,11 @@
 declare(strict_types=1);
 
 use App\Models\SalesAdAudienceFirm;
+use App\Models\SalesAdAudienceFirmChannel;
 use App\Models\SalesAdAudiencePlatform;
 use App\Services\Sales\PlatformWarmingDecider;
 use Carbon\CarbonImmutable;
+use Illuminate\Support\Carbon;
 use Tests\TestCase;
 
 // Модели вне контейнера Laravel не могут выставить datetime-cast атрибут
@@ -18,9 +20,9 @@ it('одна фирма: на площадке с большим сроком ac
     $now = CarbonImmutable::parse('2026-07-22 12:00:00');
 
     $firm = new SalesAdAudienceFirm(['firm_name' => 'X']);
-    $firm->warmup_started_at = \Illuminate\Support\Carbon::parse('2026-07-18 12:00:00'); // 4 дня назад
+    $firm->warmup_started_at = Carbon::parse('2026-07-18 12:00:00'); // 4 дня назад
 
-    $decider = new PlatformWarmingDecider();
+    $decider = new PlatformWarmingDecider;
 
     $long = new SalesAdAudiencePlatform(['platform' => 'yandex']);
     $long->warmup_days = 5;
@@ -34,3 +36,82 @@ it('одна фирма: на площадке с большим сроком ac
     expect($shortDecision['state'])->toBe('stopped');
     expect($shortDecision['reason'])->toBe('ready_for_manager');
 });
+
+it('flat active: строка канала mode=flat, flat_days больше прошедшего срока — active', function () {
+    $now = CarbonImmutable::parse('2026-07-22 12:00:00');
+
+    $firm = new SalesAdAudienceFirm(['firm_name' => 'X']);
+    $platform = new SalesAdAudiencePlatform(['platform' => 'yandex']);
+    $platform->warmup_days = 3;
+
+    $row = new SalesAdAudienceFirmChannel([
+        'channel' => 'yandex',
+        'status' => 'warming',
+        'mode' => 'flat',
+        'flat_days' => 10,
+    ]);
+    $row->warming_started_at = Carbon::parse('2026-07-18 12:00:00'); // 4 дня назад
+
+    $decider = new PlatformWarmingDecider;
+
+    $decision = $decider->decideForChannelRow($firm, $platform, null, $row, $now);
+
+    expect($decision['state'])->toBe('active');
+});
+
+it('flat done: строка канала mode=flat, flat_days меньше прошедшего срока — stopped(flat_done)', function () {
+    $now = CarbonImmutable::parse('2026-07-22 12:00:00');
+
+    $firm = new SalesAdAudienceFirm(['firm_name' => 'X']);
+    $platform = new SalesAdAudiencePlatform(['platform' => 'yandex']);
+    $platform->warmup_days = 3;
+
+    $row = new SalesAdAudienceFirmChannel([
+        'channel' => 'yandex',
+        'status' => 'warming',
+        'mode' => 'flat',
+        'flat_days' => 3,
+    ]);
+    $row->warming_started_at = Carbon::parse('2026-07-17 12:00:00'); // 5 дней назад
+
+    $decider = new PlatformWarmingDecider;
+
+    $decision = $decider->decideForChannelRow($firm, $platform, null, $row, $now);
+
+    expect($decision['state'])->toBe('stopped');
+    expect($decision['reason'])->toBe('flat_done');
+});
+
+it('funnel из строки: срок берётся из warming_started_at строки канала, не из firm.warmup_started_at', function () {
+    $now = CarbonImmutable::parse('2026-07-22 12:00:00');
+
+    $firm = new SalesAdAudienceFirm(['firm_name' => 'X']);
+    // Умышленно НЕ ставим firm->warmup_started_at — decideForChannelRow должен
+    // взять срок из строки канала, а не из фирмы.
+
+    $platform = new SalesAdAudiencePlatform(['platform' => 'yandex']);
+    $platform->warmup_days = 3;
+
+    $decider = new PlatformWarmingDecider;
+
+    $rowActive = new SalesAdAudienceFirmChannel([
+        'channel' => 'yandex',
+        'status' => 'warming',
+        'mode' => 'funnel',
+    ]);
+    $rowActive->warming_started_at = Carbon::parse('2026-07-20 12:00:00'); // 2 дня назад
+
+    $activeDecision = $decider->decideForChannelRow($firm, $platform, null, $rowActive, $now);
+    expect($activeDecision['state'])->toBe('active');
+
+    $rowStopped = new SalesAdAudienceFirmChannel([
+        'channel' => 'yandex',
+        'status' => 'warming',
+        'mode' => 'funnel',
+    ]);
+    $rowStopped->warming_started_at = Carbon::parse('2026-07-17 12:00:00'); // 5 дней назад
+
+    $stoppedDecision = $decider->decideForChannelRow($firm, $platform, null, $rowStopped, $now);
+    expect($stoppedDecision['state'])->toBe('stopped');
+    expect($stoppedDecision['reason'])->toBe('ready_for_manager');
+});