feat: add playground imrpovements flag (#5045)

Adds the playgroundImprovements flag

Close #
[1-1508](https://linear.app/unleash/issue/1-1508/add-playgroundimprovements-feature-flag)

---------

Signed-off-by: andreas-unleash <[email protected]>

Author: andreas-unleash

frontend/src/interfaces/uiConfig.ts

@@ -71,6 +71,7 @@ export type UiFlags = {
     dependentFeatures?: boolean;
     internalMessageBanners?: boolean;
     disableEnvsOnRevive?: boolean;
+    playgroundImprovements?: boolean;
 };
 
 export interface IVersionInfo {

src/lib/__snapshots__/create-config.test.ts.snap

@@ -108,6 +108,7 @@ exports[`should create default config 1`] = `
       "multipleRoles": false,
       "newInviteLink": false,
       "personalAccessTokensKillSwitch": false,
+      "playgroundImprovements": false,
       "privateProjects": false,
       "proPlanAutoCharge": false,
       "responseTimeWithAppNameKillSwitch": false,
@@ -153,6 +154,7 @@ exports[`should create default config 1`] = `
       "multipleRoles": false,
       "newInviteLink": false,
       "personalAccessTokensKillSwitch": false,
+      "playgroundImprovements": false,
       "privateProjects": false,
       "proPlanAutoCharge": false,
       "responseTimeWithAppNameKillSwitch": false,

src/lib/types/experimental.ts

@@ -38,7 +38,8 @@ export type IFlagKey =
     | 'internalMessageBanners'
     | 'internalMessageBanner'
     | 'separateAdminClientApi'
-    | 'disableEnvsOnRevive';
+    | 'disableEnvsOnRevive'
+    | 'playgroundImprovements';
 
 export type IFlags = Partial<{ [key in IFlagKey]: boolean | Variant }>;
 
@@ -178,6 +179,10 @@ const flags: IFlags = {
         process.env.UNLEASH_EXPERIMENTAL_DISABLE_ENVS_ON_REVIVE,
         false,
     ),
+    playgroundImprovements: parseEnvVarBoolean(
+        process.env.UNLEASH_EXPERIMENTAL_PLAYGROUND_IMPROVEMENTS,
+        false,
+    ),
 };
 
 export const defaultExperimentalOptions: IExperimentalOptions = {