web displays system or user defined columns

web/src/lib.rs

@@ -12,6 +12,12 @@ mod schema;
 mod services;
 mod ui;
 mod authz;
+// The server's system column vocabulary, read out of `common` the same way the
+// generated protos are: this crate compiles that source tree directly instead
+// of depending on the crate. Only `is_system_column` is used here.
+#[path = "../../common/src/system_column.rs"]
+#[allow(dead_code)]
+mod system_column;
 mod analytics {
     include!(concat!(
         env!("CARGO_MANIFEST_DIR"),