Add type annotations to remaining untyped spec params

trampoline (eval.sx), signal/deref (signals.sx), aser (adapter-sx.sx).

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

shared/static/scripts/sx-browser.js

@@ -14,7 +14,7 @@
   // =========================================================================
 
   var NIL = Object.freeze({ _nil: true, toString: function() { return "nil"; } });
-  var SX_VERSION = "2026-03-11T22:28:29Z";
+  var SX_VERSION = "2026-03-11T22:53:48Z";
 
   function isNil(x) { return x === NIL || x === null || x === undefined; }
   function isSxTruthy(x) { return x !== false && !isNil(x); }

shared/sx/ref/adapter-sx.sx

@@ -21,7 +21,7 @@
         (serialize result)))))
 
 (define aser
-  (fn (expr (env :as dict))
+  (fn ((expr :as any) (env :as dict))
     ;; Evaluate for SX wire format — serialize rendering forms,
     ;; evaluate control flow and function calls.
     (set-render-active! true)

shared/sx/ref/eval.sx

@@ -55,7 +55,7 @@
 ;; --------------------------------------------------------------------------
 
 (define trampoline
-  (fn (val)
+  (fn ((val :as any))
     ;; Iteratively resolve thunks until we get an actual value.
     ;; Each target implements thunk? and thunk-expr/thunk-env.
     (let ((result val))

shared/sx/ref/signals.sx

@@ -42,7 +42,7 @@
 ;; --------------------------------------------------------------------------
 
 (define signal
-  (fn (initial-value)
+  (fn ((initial-value :as any))
     (make-signal initial-value)))
 
 
@@ -55,7 +55,7 @@
 ;; the current value — no subscription, no overhead.
 
 (define deref
-  (fn (s)
+  (fn ((s :as any))
     (if (not (signal? s))
       s  ;; non-signal values pass through
       (let ((ctx (get-tracking-context)))