feat(entitlement): gate 60 fps output through Steam

Models/OutputProfile.cs

@@ -3,11 +3,8 @@ namespace ytLive.Models;
 /// <summary>
 /// The one entitlement rule, as pure policy: what a build is allowed to emit.
 ///
-/// <para><b>Why pixels and a frame rate rather than "720p".</b> The paid delta is output
-/// quality, and a resolution name is a marketing word, not a measurable bound — 720p60 is
-/// 921,600 pixels at twice the frame rate, and vertical 720×1280 is the same pixel count
-/// with a different shape. A pixel budget plus a frame-rate ceiling expresses the same
-/// promise without a lookup table that a new tier can quietly escape.</para>
+/// <para><b>Frame rate is the paid boundary.</b> Every supported resolution at 30 fps is free;
+/// 60 fps requires paid ownership, regardless of frame dimensions.</para>
 ///
 /// <para><b>Fail closed.</b> Callers pass <c>pro: false</c> when entitlement is unknown,
 /// unreadable or unresolved; the free profile is the default state, never the fallback
@@ -19,19 +16,16 @@ namespace ytLive.Models;
 /// </summary>
 public static class OutputProfile
 {
-    /// <summary>Free ceiling: 921,600 px = 1280×720, i.e. one 720p frame.</summary>
-    public const int FreeMaxPixels = 921_600;
-
     /// <summary>Free ceiling: 30 frames per second.</summary>
     public const int FreeMaxFps = 30;
 
-    /// <summary>The named tier a capped build falls back to when nothing else qualifies.</summary>
-    public const string FreeFallbackName = "720p30";
+    /// <summary>The default free tier and fallback when no shipped tier is available.</summary>
+    public const string FreeFallbackName = "1080p30";
 
     /// <summary>Is this tier within the free budget? Pro may use anything shipped.</summary>
     public static bool IsAllowed(QualityOption tier, bool pro)
         => pro
-           || (tier.Width * tier.Height <= FreeMaxPixels && tier.Fps <= FreeMaxFps);
+           || tier.Fps <= FreeMaxFps;
 
     /// <summary>
     /// The tier a session will actually encode. A permitted selection passes through
@@ -57,6 +51,6 @@ public static class OutputProfile
 
         // No shipped tier fits the budget: build the floor explicitly rather than trusting
         // the table. A build whose tiers were all redefined must still emit a legal frame.
-        return candidate ?? new QualityOption(FreeFallbackName, FreeMaxFps, 6.0, 1280, 720);
+        return candidate ?? new QualityOption(FreeFallbackName, FreeMaxFps, 8.0, 1920, 1080);
     }
 }