feat(mosstank): add VTank-style automation PoC

tests/AcDream.Plugins.MossTank.Tests/GrenadeCatalogTests.cs

@@ -0,0 +1,25 @@
+using AcDream.Plugins.MossTank;
+
+namespace AcDream.Plugins.MossTank.Tests;
+
+public sealed class GrenadeCatalogTests
+{
+    [Fact]
+    public void OfficialCatalog_containsExact72EntriesAndRepresentativeEdges()
+    {
+        Assert.Equal(72, GrenadeCatalog.All.Count);
+        Assert.True(GrenadeCatalog.TryGet(
+            "Iron Phial of Imperil",
+            out GrenadeDefinition iron));
+        Assert.Equal((1323u, 100, 75),
+            (iron.SpellId, iron.Spellcraft, iron.RequiredAlchemy));
+        Assert.True(GrenadeCatalog.TryGet(
+            "Mana Phial of Fester",
+            out GrenadeDefinition mana));
+        Assert.Equal((2178u, 520, 400),
+            (mana.SpellId, mana.Spellcraft, mana.RequiredAlchemy));
+        Assert.False(GrenadeCatalog.TryGet(
+            "mana phial of fester",
+            out _));
+    }
+}