diff --git a/RP_L4/RPL4.CPP b/RP_L4/RPL4.CPP
index 7fe3c33..95cc489 100644
--- a/RP_L4/RPL4.CPP
+++ b/RP_L4/RPL4.CPP
@@ -459,6 +459,31 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
 
   int last_launch_mode = FELaunchSingle;
 
+	//
+	//-------------------------------------------------------------------------
+	// A hand-fed egg run stays unmarshaled - no console, so the race never
+	// ends - UNLESS it is given a length. RP412MISSIONSECONDS supplies one,
+	// and with it '-egg' can play a whole race through to the buzzer, the
+	// podium and the results.
+	//
+	// That is the difference between a shortcut that can only be watched and
+	// one that can be TESTED: everything after the chequered flag - the fade,
+	// the winners' circle, the teardown - was unreachable from the command
+	// line, so it could only ever be exercised by hand through the menu.
+	//-------------------------------------------------------------------------
+	//
+	if (!front_end_mode && L4Application::GetEggNotationFileName())
+	{
+		const char *egg_seconds = getenv("RP412MISSIONSECONDS");
+		if (egg_seconds != NULL && atoi(egg_seconds) > 0)
+		{
+			DEBUG_STREAM << "LocalConsole: marshalling the hand-fed egg run ("
+				<< atoi(egg_seconds) << "s, RP412MISSIONSECONDS)\n" << std::flush;
+			L4Application::SetNetworkCommonFlatAddress(0);
+			RPL4LocalConsole_Install(atoi(egg_seconds));
+		}
+	}
+
   for (;;)
   {
 	if (front_end_mode)
diff --git a/pack-dist.ps1 b/pack-dist.ps1
index 8674eb0..c076990 100644
--- a/pack-dist.ps1
+++ b/pack-dist.ps1
@@ -62,7 +62,12 @@ Write-Host "Packing into $dist"
 # setting. This script rebuilds dist\ from scratch, which would throw exactly
 # those away - the one place the promise did not hold, and it is the folder we
 # do most of our own testing in. Carry them across. -Fresh to start over.
-$keepFiles = @('environ.ini', 'bindings.txt', 'pilot.cfg', 'mfd_layout.cfg')
+# frontend.egg is the menu's last selection, written on launch. It is not a
+# setting, but it IS what lets '-egg frontend.egg' drop straight back into
+# the track you were just testing - and a repack wiping it turns that into a
+# zero-byte file and an abort on "no map in egg".
+$keepFiles = @('environ.ini', 'bindings.txt', 'pilot.cfg', 'mfd_layout.cfg',
+               'frontend.egg')
 $kept = @{}
 if (-not $Fresh) {
     foreach ($name in $keepFiles) {