Use Kelly allocation for Torch position scaling

tools/run_retrain_until_replay8.ps1

@@ -2,7 +2,7 @@
 param(
     [int]$MinReplayTrades = 8,
     [int]$MaxAttempts = 0,
-    [string]$Symbols = "BTCUSDT,ETHUSDT,SOLUSDT,LTCUSDT",
+    [string]$Symbols = "",
     [int]$Limit = 3000,
     [switch]$DeployToPi,
     [string]$PiHost = "192.168.0.185",
@@ -119,10 +119,12 @@ while ($true) {
         "-NoProfile",
         "-ExecutionPolicy", "Bypass",
         "-File", $Runner,
-        "-Symbols", $Symbols,
         "-Limit", $Limit.ToString(),
         "-Seed", $attemptSeed.ToString()
     )
+    if ($Symbols) {
+        $runnerArgs += @("-Symbols", $Symbols)
+    }
     if ($DeployToPi) {
         $runnerArgs += "-DeployToPi"
         if ($PiHost) { $runnerArgs += @("-PiHost", $PiHost) }