fix: restore positive resize increments when clearing aspect lock

Sources/App/TerebiApp.swift

@@ -36,7 +36,8 @@ final class PlayerModel: ObservableObject {
         didSet {
             guard showsQueue != oldValue, let window, !isFullScreen,
                   !isCompact, !compactWindow.isTransitioning else { return }
-            window.aspectRatio = .zero
+            // Setting aspectRatio to zero leaves AppKit's resize increments at zero.
+            window.resizeIncrements = NSSize(width: 1, height: 1)
             var frame = window.frame
             frame.size.width += showsQueue ? 260 : -260
             if let screen = window.screen?.visibleFrame {
@@ -706,7 +707,7 @@ final class PlayerModel: ObservableObject {
         youtubeHeight = nil
         youtubeQuality = nil
         needsVideoFit = false
-        window?.aspectRatio = .zero
+        window?.resizeIncrements = NSSize(width: 1, height: 1)
         commandError = nil
         isSeeking = false
         window?.representedURL = nil
@@ -979,7 +980,7 @@ final class PlayerModel: ObservableObject {
         }
         needsVideoFit = false
         guard state.has_video, aspect.isFinite, aspect > 0 else {
-            window.aspectRatio = .zero
+            window.resizeIncrements = NSSize(width: 1, height: 1)
             return
         }
         let screen = (window.screen ?? NSScreen.main)?.visibleFrame ?? window.frame
@@ -988,10 +989,14 @@ final class PlayerModel: ObservableObject {
         let size = NSSize(width: width + sidebarWidth, height: width / aspect)
         // ponytail: extreme ratios retain letterboxing; compact controls if exact fitting is needed.
         guard size.width >= window.minSize.width, size.height >= window.minSize.height else {
-            window.aspectRatio = .zero
+            window.resizeIncrements = NSSize(width: 1, height: 1)
             return
         }
-        window.aspectRatio = showsQueue ? .zero : NSSize(width: aspect, height: 1)
+        if showsQueue {
+            window.resizeIncrements = NSSize(width: 1, height: 1)
+        } else {
+            window.aspectRatio = NSSize(width: aspect, height: 1)
+        }
         let frame = NSRect(
             x: min(max(window.frame.midX - size.width / 2, screen.minX), screen.maxX - size.width),
             y: min(max(window.frame.midY - size.height / 2, screen.minY), screen.maxY - size.height),