fix(frontend): show database management entry to local users

frontend/src/shell/AppShell.database-management.test.tsx

@@ -121,7 +121,7 @@ test("keeps a live core session connected and returns when that session is opene
   expect(FakeEventSource.instances).toHaveLength(1);
 });
 
-test("hides database management from users without workspace management permission", () => {
+test("shows database management entry to authenticated users without workspace management permission", () => {
   clearAuthState();
   setAuthState({
     issuer: "test",
@@ -135,5 +135,5 @@ test("hides database management from users without workspace management permissi
 
   renderShell();
 
-  expect(screen.queryByRole("button", { name: "Database management" })).not.toBeInTheDocument();
+  expect(screen.getByRole("button", { name: "Database management" })).toBeInTheDocument();
 });

frontend/src/shell/AppShell.tsx

@@ -745,22 +745,20 @@ export function AppShell({ canLogout }: AppShellProps) {
           >
             Workspace management
           </Button>
-          {canManageWorkspace && (
-            <Button
-              variant="ghost"
-              size="sm"
-              className={[
-                "w-full justify-start hover:bg-sidebar-accent",
-                activeSurface === "database-management"
-                  ? "bg-sidebar-accent font-bold text-sidebar-accent-foreground"
-                  : "",
-              ].join(" ")}
-              aria-current={activeSurface === "database-management" ? "page" : undefined}
-              onClick={() => setActiveSurface("database-management")}
-            >
-              Database management
-            </Button>
-          )}
+          <Button
+            variant="ghost"
+            size="sm"
+            className={[
+              "w-full justify-start hover:bg-sidebar-accent",
+              activeSurface === "database-management"
+                ? "bg-sidebar-accent font-bold text-sidebar-accent-foreground"
+                : "",
+            ].join(" ")}
+            aria-current={activeSurface === "database-management" ? "page" : undefined}
+            onClick={() => setActiveSurface("database-management")}
+          >
+            Database management
+          </Button>
           {canManagePi && (
             <Button
               variant="outline"