feat: expose block state properties through MCP

MinecraftClient.Tests/BlockStatePropertiesTests.cs

@@ -0,0 +1,43 @@
+using MinecraftClient.Mapping.BlockPalettes;
+
+namespace MinecraftClient.Tests;
+
+public sealed class BlockStatePropertiesTests
+{
+    private readonly Palette262 _palette = new();
+
+    [Theory]
+    [InlineData(32162, "north", "true", "inactive")]
+    [InlineData(32168, "north", "false", "unlocking")]
+    [InlineData(32193, "east", "false", "ejecting")]
+    public void VaultStatesExposeAllProperties(
+        int stateId,
+        string facing,
+        string ominous,
+        string vaultState)
+    {
+        IReadOnlyDictionary<string, string> properties = _palette.GetStateProperties(stateId);
+
+        Assert.Equal(facing, properties["facing"]);
+        Assert.Equal(ominous, properties["ominous"]);
+        Assert.Equal(vaultState, properties["vault_state"]);
+    }
+
+    [Fact]
+    public void PropertiesUseServerReportedStateStride()
+    {
+        IReadOnlyDictionary<string, string> properties = _palette.GetStateProperties(3989);
+
+        Assert.Equal("left", properties["type"]);
+        Assert.Equal("north", properties["facing"]);
+        Assert.Equal("true", properties["waterlogged"]);
+    }
+
+    [Fact]
+    public void StateWithoutPropertiesReturnsEmptyMap()
+    {
+        IReadOnlyDictionary<string, string> properties = _palette.GetStateProperties(1);
+
+        Assert.Empty(properties);
+    }
+}