feat: add JailService and bust-out config keys

Add JailService with bustOut(), sendToJail(), releaseFromJail(), and
calculateBustOutChance() methods. Add two config keys (bust_out_stat_multiplier
and bust_out_max_chance) to the jail config block.

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

config/game.php

@@ -79,10 +79,12 @@ return [
 
     // Jail system configuration
     'jail' => [
-        'sentence_length' => 3600,     // 1 hour base sentence
-        'breakout_chance' => 0.05,      // 5% chance to break out per attempt
-        'breakout_cost' => 1000,        // Cost to attempt breakout
-        'sentence_multiplier' => 1.5,   // Sentence increases by 50% for repeat offenses
+        'sentence_length'          => 3600,
+        'breakout_chance'          => 0.05,
+        'breakout_cost'            => 1000,
+        'sentence_multiplier'      => 1.5,
+        'bust_out_stat_multiplier' => 0.003,  // per combined dex+speed point
+        'bust_out_max_chance'      => 0.80,   // cap at 80%
     ],
 
     // Economy configuration