Initial client scaffold

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

config/hexcasting-server.toml

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+#Resource locations of disallowed actions. Trying to cast one of these will result in a mishap.
+actionDenyList = []
+#Should villagers take offense when you flay the mind of their fellow villagers?
+villagersOffendedByMindMurder = true
+#Resource locations of dimensions you can't Blink or Greater Teleport in.
+tpDimDenyList = ["twilightforest:twilight_forest"]
+
+[Spells]
+	#The maximum number of actions that can be executed in one tick, to avoid hanging the server.
+	# Default: 1000000
+	# Range: > 0
+	maxOpCount = 1000000
+	#The harvest level of the Break Block spell.
+	#0 = wood, 1 = stone, 2 = iron, 3 = diamond, 4 = netherite.
+	# Default: 3
+	# Range: 0 ~ 4
+	opBreakHarvestLevel = 3
+
+["Spell Circles"]
+	#The maximum number of slates in a spell circle
+	# Default: 1024
+	# Range: > 4
+	maxSpellCircleLength = 1024
+	#Resource locations of disallowed actions within circles. Trying to cast one of these in a circle will result in a mishap. For example: hexcasting:get_caster will prevent Mind's Reflection.
+	circleActionDenyList = []