feat(BNNBot): add virtual hit percentage to output

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

BNNBot_garage/src/BNNBot.nim

@@ -133,10 +133,13 @@ method onScannedBot*(bot: BNNBot, e: ScannedBotEvent) =
   let hamming    = if bot.hasPrev: hammingDistance(bot.prevVec, vec) else: 0
   let similarity = if bot.hasPrev: TOTAL_BITS - hamming else: 0
   let overlap    = if bot.hasPrev: popcount(bitwiseAnd(bot.prevVec, vec)) else: 0
+  let totalVirtual = bot.virtualHits + bot.virtualMiss
+  let hitPct = if totalVirtual > 0: bot.virtualHits.float / totalVirtual.float * 100.0 else: 0.0
   echo align($bot.tick, 4), " ", formatBinary(vec), " ",
        hamming, " ", similarity, " ", overlap, " ",
        formatFloat(aimOffset, ffDecimal, 2), " ",
-       bot.virtualHits, " ", bot.virtualMiss
+       bot.virtualHits, " ", bot.virtualMiss, " ",
+       formatFloat(hitPct, ffDecimal, 1), "%"
 
   bot.prevVec = vec
   bot.hasPrev = true