diff --git a/hosts/ocaml/bin/sx_server.ml b/hosts/ocaml/bin/sx_server.ml
index 4c56206..4689590 100644
--- a/hosts/ocaml/bin/sx_server.ml
+++ b/hosts/ocaml/bin/sx_server.ml
@@ -394,6 +394,16 @@ let make_server_env () =
   bind "set-render-active!" (fun _args -> Nil);
   bind "render-active?" (fun _args -> Bool true);
 
+  (* Browser APIs — no-op stubs for SSR *)
+  bind "local-storage-get" (fun _args -> Nil);
+  bind "local-storage-set" (fun _args -> Nil);
+  bind "dom-listen" (fun _args -> NativeFn ("noop", fun _ -> Nil));
+  bind "dom-dispatch" (fun _args -> Nil);
+  bind "dom-set-data" (fun _args -> Nil);
+  bind "dom-get-data" (fun _args -> Nil);
+  bind "event-detail" (fun _args -> Nil);
+  bind "promise-then" (fun _args -> Nil);
+
   (* Raw HTML — platform primitives for adapter-html.sx *)
   bind "make-raw-html" (fun args ->
     match args with [String s] -> RawHTML s | [v] -> RawHTML (value_to_string v) | _ -> Nil);
diff --git a/shared/sx/ocaml_bridge.py b/shared/sx/ocaml_bridge.py
index dc1e8fd..45eb572 100644
--- a/shared/sx/ocaml_bridge.py
+++ b/shared/sx/ocaml_bridge.py
@@ -397,14 +397,18 @@ class OcamlBridge:
             # All directories loaded into the Python env
             all_dirs = list(set(_watched_dirs) | _dirs_from_cache)
 
-            # Web adapters + signals (aser lives in adapter-sx.sx,
-            # signals.sx provides reactive primitives for island SSR)
+            # Isomorphic libraries: signals, rendering, freeze scopes
             web_dir = os.path.join(os.path.dirname(__file__), "../../web")
             if os.path.isdir(web_dir):
                 for web_file in ["signals.sx", "adapter-html.sx", "adapter-sx.sx"]:
                     path = os.path.normpath(os.path.join(web_dir, web_file))
                     if os.path.isfile(path):
                         all_files.append(path)
+            # Spec library files (loaded after adapters)
+            for spec_lib in ["freeze.sx"]:
+                path = os.path.normpath(os.path.join(spec_dir, spec_lib))
+                if os.path.isfile(path):
+                    all_files.append(path)
 
             for directory in sorted(all_dirs):
                 files = sorted(