Pick the bar clock format from Appearance > Menu Bar > Indicators > Clock

Every preset the clock cycles through gets its own row, labeled with how
it reads, and the current one is checked. omarchy-bar gains get <id> <key>
and a bare position to read the settings the rows compare against.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

shell/plugins/menu/MenuModel.js

@@ -393,6 +393,9 @@ function displayRow(items, itemOrder, checkedResults, disabledResults, entry, de
 // cached while one expression runs lives in that subshell only, so a lazy
 // memo never survives to the expression after it.
 var GUARD_READERS = [
+  "omarchy-bar get omarchy.clock format",
+  "omarchy-bar get omarchy.clock verticalFormat",
+  "omarchy-bar position",
   "omarchy-channel-current",
   "omarchy-default-agent",
   "omarchy-default-browser",