config: accept both ghp_ and github_pat_ tokens in schema (#36)

Author: benvinegar

.env.schema

@@ -33,8 +33,8 @@ OPENCODE_ZEN_API_KEY=
 
 # ── GitHub ───────────────────────────────────────────────────────────────────
 
-# GitHub Personal Access Token (fine-grained, scoped to agent repos)
-# @required @type=string(startsWith=ghp_)
+# GitHub Personal Access Token (classic ghp_ or fine-grained github_pat_)
+# @required @type=string
 # @docs(https://github.com/settings/tokens)
 GITHUB_TOKEN=