[CLI] Fix secret key handling (#6584)

Author: joaquim-verges

.changeset/neat-clowns-wish.md

@@ -0,0 +1,5 @@
+---
+"thirdweb": patch
+---
+
+Fix CLI secret key handling

packages/thirdweb/src/cli/bin.ts

@@ -14,7 +14,6 @@ let secretKey: string | undefined;
 const keyIndex = rest.indexOf("-k");
 if (keyIndex !== -1 && rest.length > keyIndex + 1) {
   secretKey = rest[keyIndex + 1];
-  rest.splice(keyIndex, 2);
 }
 
 async function main() {

packages/thirdweb/src/cli/commands/stylus/builder.ts

@@ -29,7 +29,9 @@ export async function deployStylus(secretKey?: string) {
 
 async function buildStylus(spinner: Ora, secretKey?: string) {
   if (!secretKey) {
-    spinner.fail("Error: Secret key is required.");
+    spinner.fail(
+      "Error: Secret key is required. Please pass it via the -k parameter.",
+    );
     process.exit(1);
   }