feat: switch the active testnet back to paseo-next-v2

Author: ReinhardHatko

.changeset/revert-to-paseo-next-v2.md

@@ -0,0 +1,5 @@
+---
+"playground-cli": minor
+---
+
+Switch the active testnet back to paseo-next-v2 (reverting the Web3 Summit switch).

src/config.ts

@@ -56,7 +56,7 @@ export const ENV_FLAG_CHOICES: readonly string[] = [...ENV_IDS, ...LEGACY_ENV_AL
  * rest. The `config.test.ts` guard blocks the flip until the target env's
  * endpoints match upstream AND its CDM meta-registry address exists.
  */
-export const ACTIVE_TESTNET_ENV: Env = "summit";
+export const ACTIVE_TESTNET_ENV: Env = "paseo-next-v2";
 export const DEFAULT_ENV: Env = ACTIVE_TESTNET_ENV;
 
 export interface ChainConfig {