allow to enable PVC feature flag for user via ConfigCat

Author: sagor999

components/server/src/workspace/workspace-starter.ts

@@ -867,6 +867,19 @@ export class WorkspaceStarter {
                 featureFlags = featureFlags.concat(["protected_secrets"]);
             }
 
+            if (
+                // ConfigCat already has feature flag named `persistent_volume_claim` that controls if we show
+                // the option to enable PVC for project prebuilds. So have to use a different name here.
+                await getExperimentsClientForBackend().getValueAsync("user_pvc", false, {
+                    user,
+                    teams: userTeams,
+                    billingTier,
+                })
+            ) {
+                // this allows to control user`s PVC feature flag via ConfigCat
+                featureFlags = featureFlags.concat(["persistent_volume_claim"]);
+            }
+
             featureFlags = featureFlags.filter((f) => !excludeFeatureFlags.includes(f));
 
             const wsConnectionLimitingEnabled = await getExperimentsClientForBackend().getValueAsync(