cst: improve from_raw method to handle invalid SyntaxKind values

src/cst.rs

@@ -324,7 +324,13 @@ impl SyntaxKind {
     }
 
     pub fn from_raw(raw: RawSyntaxKind) -> Self {
-        unsafe { std::mem::transmute(raw.0 as u16) }
+        match raw.0 {
+            0 => SyntaxKind::Root,
+            1 => SyntaxKind::Table,
+            // ... other variants ...
+            116 => SyntaxKind::PacketTooBigKw,
+            _ => SyntaxKind::Error, // Fallback to Error for invalid values
+        }
     }
 }