feat(ads/seo/release): v1.2.0 with live Google Ads, isolated ad profile, ads.txt, and SEO/AEO/GEO optimization

tests/Paca.Tests/Core/BatteryPowerGovernorGateTests.cs

@@ -0,0 +1,64 @@
+using System;
+using Paca.Mobile.Core;
+using Xunit;
+
+namespace Paca.Tests.Core;
+
+public class BatteryPowerGovernorGateTests
+{
+    [Fact]
+    public void Gate249_BatteryPowerGovernor_DetectsLowBattery_AndEntersLowPowerMode()
+    {
+        var governor = new BatteryPowerGovernor();
+
+        // 15% battery, discharging
+        governor.UpdateBatteryState(batteryLevelPercent: 15, isCharging: false);
+
+        Assert.True(governor.IsLowPowerModeActive);
+        Assert.Equal(1, governor.MaxRecommendedDownloads);
+    }
+
+    [Fact]
+    public void Gate250_BatteryPowerGovernor_AcPowerConnected_RestoresHighPerformance()
+    {
+        var governor = new BatteryPowerGovernor();
+
+        // 15% battery, but charging on AC
+        governor.UpdateBatteryState(batteryLevelPercent: 15, isCharging: true);
+
+        Assert.False(governor.IsLowPowerModeActive);
+        Assert.True(governor.MaxRecommendedDownloads >= 4);
+    }
+
+    [Fact]
+    public void Gate251_BatteryPowerGovernor_ConfigurableThreshold()
+    {
+        var governor = new BatteryPowerGovernor(lowBatteryThresholdPercent: 30);
+
+        // 25% battery with 30% threshold -> low power active
+        governor.UpdateBatteryState(batteryLevelPercent: 25, isCharging: false);
+        Assert.True(governor.IsLowPowerModeActive);
+
+        // 35% battery with 30% threshold -> normal
+        governor.UpdateBatteryState(batteryLevelPercent: 35, isCharging: false);
+        Assert.False(governor.IsLowPowerModeActive);
+    }
+
+    [Fact]
+    public void Gate252_BatteryPowerGovernor_AppliesPlayerRenderPolicy()
+    {
+        var governor = new BatteryPowerGovernor();
+
+        // Low power
+        governor.UpdateBatteryState(batteryLevelPercent: 10, isCharging: false);
+        var lowPolicy = governor.GetRenderPolicy();
+        Assert.False(lowPolicy.EnableGlassmorphismBlur);
+        Assert.Equal(30, lowPolicy.TargetFramerate);
+
+        // High power
+        governor.UpdateBatteryState(batteryLevelPercent: 90, isCharging: false);
+        var highPolicy = governor.GetRenderPolicy();
+        Assert.True(highPolicy.EnableGlassmorphismBlur);
+        Assert.Equal(60, highPolicy.TargetFramerate);
+    }
+}