5 validator fixes, [Not Secure] regex, interventions 48/day

Validator improvements (deployed to paper-ai):
- Fix 1: @s → player name (RCON has no executor entity)
- Fix 2: Old NBT {Enchantments:[...]} → 1.21 [enchantments={...}] converter
- Fix 3: Strip invalid item components (display, durability, enc)
- Fix 4: Hallucinated effect repair (invincibility→resistance, etc.)
- Fix 5: Hallucinated command repair (setworldborder→worldborder set, etc.)
- All fixes applied in execute-tail chains too

Chat patterns updated for online-mode=false ([Not Secure] prefix)
Divine interventions set to 48/day

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

mc_aigod_paper.json

@@ -32,7 +32,7 @@
   ],
   "cooldown_seconds": 10,
   "max_commands_per_response": 8,
-  "interventions_per_day": 24,
+  "interventions_per_day": 48,
   "god_chat_prefix": "[§b§lPAPER GOD§r]",
   "debug_commands": true,
   "sudo_enabled": true,