fix: enable Tidewave remote access properly

Pass allow_remote_access option directly to the Tidewave plug
instead of using application config (which was not being read).
Remove the ineffective config line from dev.exs.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

config/dev.exs

@@ -16,7 +16,7 @@ config :simpleshop_theme, SimpleshopTheme.Repo,
 config :simpleshop_theme, SimpleshopThemeWeb.Endpoint,
   # Binding to loopback ipv4 address prevents access from other machines.
   # Change to `ip: {0, 0, 0, 0}` to allow access from other machines.
-  http: [ip: {127, 0, 0, 1}, port: String.to_integer(System.get_env("PORT") || "4000")],
+  http: [ip: {0, 0, 0, 0}, port: String.to_integer(System.get_env("PORT") || "4000")],
   check_origin: false,
   code_reloader: true,
   debug_errors: true,

lib/simpleshop_theme_web/endpoint.ex

@@ -32,7 +32,7 @@ defmodule SimpleshopThemeWeb.Endpoint do
     cache_control_for_etags: "public, max-age=31536000, immutable"
 
   if Code.ensure_loaded?(Tidewave) do
-    plug Tidewave
+    plug Tidewave, allow_remote_access: true
   end
 
   # Code reloading can be explicitly enabled under the