fix(space): align Launch Library requests with provider guidance

src/keySetupCore.mjs

@@ -29,7 +29,8 @@ export const KEY_SETUP_APPEND_HEADER =
 /**
  * Provider credentials, in display order — most magic per
  * minute first. `tier` mirrors the README's color legend: 'metered' (🔴) is a
- * billing-enabled account, 'free' (🟡) is a register-and-paste key.
+ * billing-enabled account, 'free' (🟡) is a register-and-paste key, and
+ * 'paid' (🔴) is an optional paid higher-rate token.
  * `clientExposed` marks the keys that are injected into the browser
  * bundle by design (restrict them at the provider, per SECURITY.md).
  * `hidden` keeps advanced configuration out of the panel and missing-key count.
@@ -119,10 +120,12 @@ export const KEY_SETUP_KEYS = Object.freeze([
   Object.freeze({
     id: 'launch-library',
     title: 'LAUNCH LIBRARY', // i18n-ignore: provider product name
-    unlocks: msg('Higher space-missions request allowance'),
-    getUrl: 'https://thespacedevs.com',
+    unlocks: msg(
+      'Public space-missions access needs no key. Leave blank for standard use; paid tokens only raise request limits.',
+    ),
+    getUrl: 'https://thespacedevs.com/supportus',
     envVars: Object.freeze(['LL2_API_TOKEN']),
-    tier: 'free',
+    tier: 'paid',
   }),
 ]);