HS: cookies iteration via host-iter? before dict? (+1 test)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

spec/tests/test-hyperscript-behavioral.sx

@@ -4974,7 +4974,17 @@
     (eval-hs "set cookies.foo to 'bar'")
     (assert= (eval-hs "cookies.foo") "bar"))
   (deftest "iterate cookies values work"
-    (error "SKIP (untranslated): iterate cookies values work"))
+    (hs-cleanup!)
+    (host-set! (host-global "cookies") "foo" "bar")
+    (let ((_names (list)) (_values (list)))
+      (hs-for-each
+        (fn (x)
+          (append! _names (host-get x "name"))
+          (append! _values (host-get x "value")))
+        (host-global "cookies"))
+      (assert-contains "foo" _names)
+      (assert-contains "bar" _values))
+  )
   (deftest "length is 0 when no cookies are set"
     (hs-cleanup!)
     (assert= (eval-hs "cookies.length") 0))