Use the standard zero-arg run-fn pattern with an explicit runtime
let-binding instead of the defrun macro. One less concept in play.

Assisted-by: GLM-5.1 via pi

diff --git a/.quire/ci.fnl b/.quire/ci.fnl
index 9629a3c..5c6b167 100644
--- a/.quire/ci.fnl
+++ b/.quire/ci.fnl
@@ -1,12 +1,12 @@
 (local {: job} (require :quire.ci))
-(import-macros {: defrun} :quire.ci)
 (local {: mirror} (require :quire.stdlib))
 
-; (job :test [:quire/push] (defrun [{: sh}] (sh [:cargo :test])))
+; (job :test [:quire/push] (fn [] (runtime.sh [:cargo :test])))
 
 (job "quire/mirror" [:quire/push]
-  (defrun [jobs secret]
-    (let [push (jobs :quire/push)]
+  (fn []
+    (let [{: jobs : secret} (. (require :quire.ci) :runtime)
+          push (jobs :quire/push)]
       (when (= push.ref "refs/heads/main")
         (mirror {:url "https://github.com/kejadlen/quire.git"
                  :auth-header (secret :github_auth_header)