Rebrand sexp → sx across web platform (173 files)

Rename all sexp directories, files, identifiers, and references to sx.
artdag/ excluded (separate media processing DSL).

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

orders/sx/detail.sx

@@ -0,0 +1,54 @@
+;; Order detail components
+
+(defcomp ~orders-item-image (&key src alt)
+  (img :src src :alt alt :class "w-full h-full object-contain object-center" :loading "lazy" :decoding "async"))
+
+(defcomp ~orders-item-no-image ()
+  (div :class "w-full h-full flex items-center justify-center text-[9px] text-stone-400" "No image"))
+
+(defcomp ~orders-item-row (&key href img title pid qty price)
+  (li (a :class "w-full py-2 flex gap-3" :href href
+    (div :class "w-12 h-12 sm:w-14 sm:h-14 rounded-md bg-stone-100 flex-shrink-0 overflow-hidden" img)
+    (div :class "flex-1 flex justify-between gap-3"
+      (div
+        (p :class "font-medium" title)
+        (p :class "text-[11px] text-stone-500" "Product ID: " pid))
+      (div :class "text-right whitespace-nowrap"
+        (p "Qty: " qty)
+        (p price))))))
+
+(defcomp ~orders-items-section (&key items)
+  (div :class "rounded-2xl border border-stone-200 bg-white/80 p-4 sm:p-6"
+    (h2 :class "text-sm sm:text-base font-semibold mb-3" "Items")
+    (ul :class "divide-y divide-stone-100 text-xs sm:text-sm" items)))
+
+(defcomp ~orders-calendar-item (&key name pill state ds cost)
+  (li :class "px-4 py-3 flex items-start justify-between text-sm"
+    (div
+      (div :class "font-medium flex items-center gap-2"
+        name
+        (span :class pill state))
+      (div :class "text-xs text-stone-500" ds))
+    (div :class "ml-4 font-medium" cost)))
+
+(defcomp ~orders-calendar-section (&key items)
+  (section :class "mt-6 space-y-3"
+    (h2 :class "text-base sm:text-lg font-semibold" "Calendar bookings in this order")
+    (ul :class "divide-y divide-stone-200 rounded-2xl border border-stone-200 bg-white/80" items)))
+
+(defcomp ~orders-detail-panel (&key summary items calendar)
+  (div :class "max-w-full px-3 py-3 space-y-4"
+    summary items calendar))
+
+(defcomp ~orders-detail-header-stack (&key auth orders order)
+  (div :id "root-header-child" :class "flex flex-col w-full items-center"
+    auth
+    (div :id "auth-header-child" :class "flex flex-col w-full items-center"
+      orders
+      (div :id "orders-header-child" :class "flex flex-col w-full items-center"
+        order))))
+
+(defcomp ~orders-header-child-oob (&key inner)
+  (div :id "orders-header-child" :sx-swap-oob "outerHTML"
+    :class "flex flex-col w-full items-center"
+    inner))