Security fixes, UI improvements, and game balance updates

- Fixed critical security vulnerabilities in shop targeting system
- Fixed admin authentication bypass issues
- Fixed auto-rearm feature config path (duck_spawning.rearm_on_duck_shot)
- Updated duck spawn timing to 20-60 minutes for better game balance
- Enhanced inventory display formatting with proper spacing
- Added comprehensive admin security documentation

messages.json

@@ -12,10 +12,12 @@
   "bang_hit_golden_killed": "{nick} > *BANG* You killed the GOLDEN DUCK! [+{xp_gained} xp] [Total ducks: {ducks_shot}]",
   "bang_hit_fast": "{nick} > *BANG* You shot a FAST DUCK! [+{xp_gained} xp] [Total ducks: {ducks_shot}]",
   "bang_miss": "{nick} > *BANG* You missed the duck!",
+  "bang_friendly_fire_penalty": "{nick} > *BANG* You missed and hit {victim}! [GUN CONFISCATED] [LOST {xp_lost} XP]",
+  "bang_friendly_fire_insured": "{nick} > *BANG* You missed and hit {victim}! [INSURANCE PROTECTED - No penalties]",
   "bang_no_duck": "{nick} > *BANG* What did you shoot at? There is no duck in the area... [GUN CONFISCATED]",
   "bang_no_ammo": "{nick} > *click* You're out of ammo! Use !reload",
   "bang_gun_jammed": "{nick} > *click* Your gun jammed! [AMMO WASTED]",
-  "bang_not_armed": "{nick} > You are not armed.",
+  "bang_not_armed": "{nick} > Your gun has been confiscated. Buy it back from the shop.",
   "bef_success": "{nick} > *befriend* You befriended the duck! [+{xp_gained} xp] [Ducks befriended: {ducks_befriended}]",
   "bef_failed": "{nick} > *gentle approach* The duck doesn't trust you and flies away...",
   "bef_no_duck": "{nick} > *gentle approach* There is no duck to befriend in the area...",
@@ -47,6 +49,19 @@
   "shop_buy_invalid_id": "{nick} > Invalid item ID. Use !shop to see available items.",
   "shop_buy_usage": "Usage: !shop buy <item_id>",
   "use_attract_ducks": "{nick} > You scattered bread around the pond! Ducks will spawn {spawn_multiplier}x faster for {duration} minutes.",
+  "use_insurance": "{nick} > You activated Hunter's Insurance! Protected from friendly fire penalties for {duration} hours.",
+  "use_buy_gun_back": "{nick} > Your gun has been returned with {ammo_restored} bullets and {magazines_restored} magazines.",
+  "use_buy_gun_back_not_needed": "{nick} > Your gun is not confiscated.",
+  "bang_wet_clothes": "{nick} > *SPLASH* Your clothes are soaked! You can't shoot until you dry off or buy new clothes.",
+  "use_splash_water": "{nick} > *SPLASH* You soaked {target_nick} with water! They can't shoot for {duration} minutes.",
+  "use_dry_clothes": "{nick} > You changed into dry clothes! Ready to hunt again.",
+  "use_dry_clothes_not_needed": "{nick} > You weren't wet - no need for new clothes.",
+  "gift_ammo": "{nick} > Gave {amount} bullet(s) to {target_nick}! What a generous hunter.",
+  "gift_magazine": "{nick} > Gave 1 magazine to {target_nick}! Sharing the ammo love.",
+  "gift_gun_brush": "{nick} > Gave a gun brush to {target_nick} - keeping their weapon clean!",
+  "gift_insurance": "{nick} > Gave Hunter's Insurance to {target_nick} - protecting them from friendly fire!",
+  "gift_dry_clothes": "{nick} > Gave dry clothes to {target_nick} - now they can stay dry!",
+  "gift_buy_gun_back": "{nick} > Gave a gun license to {target_nick} - helping them get their gun back!",
   
   "colours": {
     "white": "\u00030",