Surface all errors: wrap event handlers in try/catch with console.error

- domAddListener wraps callbacks so exceptions always log to console
- Add "sx:route trying <url>" log before tryClientRoute call
- Remove redundant bind-event fired log (replaced with route-specific logs)

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

shared/sx/ref/bootstrap_js.py

@@ -2514,7 +2514,9 @@ PLATFORM_ORCHESTRATION_JS = """
     if (opts && !isNil(opts)) {
       if (opts.once || opts["once"]) o.once = true;
     }
-    el.addEventListener(event, fn, o);
+    el.addEventListener(event, function(e) {
+      try { fn(e); } catch (err) { console.error("[sx-ref] event handler error:", event, err); }
+    }, o);
   }
 
   // --- Validation ---

shared/sx/ref/orchestration.sx

@@ -373,7 +373,6 @@
       (when listen-target
         (dom-add-listener listen-target event-name
           (fn (e)
-            (log-info (str "sx:bind-event fired: " event-name " on " (dom-tag-name el)))
             (let ((should-fire true))
               ;; Changed modifier: skip if value unchanged
               (when (get mods "changed")
@@ -396,6 +395,7 @@
                                         (not (get mods "delay"))))
                       (client-routed false))
                   (when is-get-link
+                    (log-info (str "sx:route trying " (get verbInfo "url")))
                     (set! client-routed
                       (try-client-route (url-pathname (get verbInfo "url")))))
                   (if client-routed