2.10.8: fewer hitches

- Sending on a background thread (the game thread blocked whenever the TCP
  buffer was full, e.g. while uploading the save); small frames are batched
- Server save requests: routine saves wait for a calm moment (not while driving
  fast) and are announced; urgent flag from server 2.10.5
- Dynamic built-in font for all MSCO GUI (Unity logged hundreds of
  "Font size and style overrides" warnings with stutters)
- Admin VEHICLE tab rescans every 30 s / after actions instead of every 5 s;
  time/weather FSM search less often
- Reused buffers for Build/Frame/Poll (less garbage, fewer GC pauses)
- Hitch log: GC and save detection, count of hitches between reports
- Show Bolt Size 1.0.1: finds the FPSCamera (Camera.main may be missing), uses
  MSCO's shared FSM list instead of FindObjectsOfType every 2 s

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

UiTheme.cs

@@ -10,6 +10,26 @@ namespace MSCO
     /// </summary>
     public static class UiTheme
     {
+        static Font dynamicFont;
+        static bool fontSearched;
+
+        /// <summary>
+        /// Dynamische Schrift (eingebautes Arial) für alle MSCO-Oberflächen: Schriftgröße/Fett gehen nur mit dynamischen
+        /// Schriften - sonst schreibt Unity jedes Mal eine Warnung ins Log (400-mal in einer Sitzung, mit Rucklern).
+        /// </summary>
+        public static Font DynamicFont
+        {
+            get
+            {
+                if (!fontSearched)
+                {
+                    fontSearched = true;
+                    try { dynamicFont = Resources.GetBuiltinResource(typeof(Font), "Arial.ttf") as Font; } catch { }
+                    if (dynamicFont != null && !dynamicFont.dynamic) dynamicFont = null;
+                }
+                return dynamicFont;
+            }
+        }
         public static readonly Color Background = Hex(0x16, 0x16, 0x1a, 0.97f);
         public static readonly Color Panel = Hex(0x0f, 0x0f, 0x12, 0.98f);
         public static readonly Color Row = Hex(0x22, 0x22, 0x28);
@@ -170,6 +190,7 @@ namespace MSCO
         public static GUIStyle Button(Color normal, Color hover, Color text, int fontSize = 13, bool bold = true)
         {
             var s = new GUIStyle(GUI.skin.button);
+            if (DynamicFont != null) s.font = DynamicFont;
             s.normal.background = Rounded(normal);
             s.hover.background = Rounded(hover);
             s.active.background = Rounded(hover);
@@ -186,6 +207,7 @@ namespace MSCO
         public static GUIStyle Field(int fontSize = 14)
         {
             var s = new GUIStyle(GUI.skin.textField);
+            if (DynamicFont != null) s.font = DynamicFont;
             s.normal.background = Rounded(FieldColor);
             s.hover.background = Rounded(FieldFocus);
             s.focused.background = Rounded(FieldFocus);
@@ -200,6 +222,7 @@ namespace MSCO
         public static GUIStyle Label(int fontSize, Color color, FontStyle font = FontStyle.Normal, TextAnchor align = TextAnchor.UpperLeft)
         {
             var s = new GUIStyle(GUI.skin.label);
+            if (DynamicFont != null) s.font = DynamicFont;
             s.fontSize = fontSize;
             s.fontStyle = font;
             s.normal.textColor = color;