new enum instead of string in proto

web/src/pages/admin/table_definition/state.rs

@@ -67,7 +67,7 @@ impl Selection {
 #[derive(Clone, Debug)]
 pub(crate) struct TableSummary {
     pub name: String,
-    pub table_kind: String,
+    pub table_kind: crate::definitions::table_definition::ManagedTableKind,
     pub global: bool,
     pub depends_on: Vec<String>,
 }
@@ -76,7 +76,7 @@ impl TableSummary {
     /// System tables are backend-managed: the server refuses every write below
     /// on them, so the workspace does not offer the panels either.
     pub(crate) fn is_system(&self) -> bool {
-        self.table_kind == "system"
+        self.table_kind == crate::definitions::table_definition::ManagedTableKind::System
     }
 }