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>

sx/sx/data-test.sx

@@ -9,7 +9,7 @@
 ;;   "sx:route client+data"  — cache miss, fetched from server
 ;;   "sx:route client+cache" — cache hit, rendered from cached data
 
-(defcomp ~data-test-content (&key server-time items phase transport)
+(defcomp ~data-test-content (&key (server-time :as string) (items :as list) (phase :as string) (transport :as string))
   (div :class "space-y-8"
     (div :class "border-b border-stone-200 pb-6"
       (h1 :class "text-2xl font-bold text-stone-900" "Data Test")