Add (param :as type) annotations to defcomp params across all services and templates

Annotates ~500 defcomp params across 62 files: market (5), blog (7), cart (5),
events (3), federation (4), account (3), orders (2), shared templates (11),
sx docs (14), plus remaining spec fn params (z3, test-framework, adapter-dom,
adapter-async, engine, eval). Total annotations in codebase: 1043.

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

shared/sx/templates/relations.sx

@@ -1,4 +1,4 @@
-(defcomp ~relation-attach (&key create-url label icon)
+(defcomp ~relation-attach (&key (create-url :as string) (label :as string?) (icon :as string?))
   (a :href create-url
      :sx-get create-url
      :sx-target "#main-panel"
@@ -8,7 +8,7 @@
     (when icon (i :class icon))
     (span (or label "Add"))))
 
-(defcomp ~relation-detach (&key detach-url name)
+(defcomp ~relation-detach (&key (detach-url :as string) (name :as string?))
   (button :sx-delete detach-url
           :sx-confirm (str "Remove " (or name "this item") "?")
           :class "text-red-500 hover:text-red-700 text-sm p-1 rounded hover:bg-red-50 transition-colors"