add url slug resolution to shop routing

Shop.Page resolves custom URLs to correct page types:
- resolve_custom_slug/2 detects system pages with custom URLs
- Dynamic prefix resolution for /:prefix/:id routes
- Updates live_action when slug resolves to different type

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

lib/berrypod_web/live/shop/pages/custom_page.ex

@@ -12,7 +12,7 @@ defmodule BerrypodWeb.Shop.Pages.CustomPage do
     {:noreply, socket}
   end
 
-  def handle_params(%{"slug" => slug}, _uri, socket) do
+  def handle_params(%{"slug" => slug} = params, uri, socket) do
     page = Pages.get_page(slug)
 
     cond do
@@ -27,33 +27,67 @@ defmodule BerrypodWeb.Shop.Pages.CustomPage do
         raise BerrypodWeb.NotFoundError
 
       true ->
-        extra = Pages.load_block_data(page.blocks, socket.assigns)
-        base = BerrypodWeb.Endpoint.url()
-
-        socket =
-          socket
-          |> assign(:page_title, page.title)
-          |> assign(:page, page)
-          |> maybe_assign_meta(page, base)
-          |> assign(extra)
-
-        {:noreply, socket}
+        handle_page(page_to_map(page), params, uri, socket)
     end
   end
 
+  defp handle_page(page, _params, _uri, socket) do
+    extra = Pages.load_block_data(page.blocks, socket.assigns)
+    base = BerrypodWeb.Endpoint.url()
+
+    socket =
+      socket
+      |> assign(:page_title, page.title)
+      |> assign(:page, page)
+      |> maybe_assign_meta(page, base)
+      |> assign(extra)
+
+    {:noreply, socket}
+  end
+
+  # Convert Page struct to map for consistent handling
+  defp page_to_map(%Berrypod.Pages.Page{} = page) do
+    %{
+      id: page.id,
+      slug: page.slug,
+      title: page.title,
+      blocks: page.blocks,
+      type: page.type,
+      published: page.published,
+      meta_description: page.meta_description,
+      url_slug: page.url_slug,
+      show_in_nav: page.show_in_nav,
+      nav_label: page.nav_label,
+      nav_position: page.nav_position
+    }
+  end
+
+  defp page_to_map(page) when is_map(page), do: page
+
   def handle_event(_event, _params, _socket), do: :cont
 
   defp record_broken_url(path) do
-    prior_hits = Berrypod.Analytics.count_pageviews_for_path(path)
-    Berrypod.Redirects.record_broken_url(path, prior_hits)
+    # Skip static asset paths - these are expected 404s
+    unless static_path?(path) do
+      prior_hits = Berrypod.Analytics.count_pageviews_for_path(path)
+      Berrypod.Redirects.record_broken_url(path, prior_hits)
 
-    if prior_hits > 0 do
-      Berrypod.Redirects.attempt_auto_resolve(path)
+      if prior_hits > 0 do
+        Berrypod.Redirects.attempt_auto_resolve(path)
+      end
     end
   rescue
     _ -> :ok
   end
 
+  defp static_path?(path) do
+    String.starts_with?(path, "/assets/") or
+      String.starts_with?(path, "/images/") or
+      String.starts_with?(path, "/image_cache/") or
+      String.starts_with?(path, "/mockups/") or
+      String.starts_with?(path, "/favicon")
+  end
+
   defp maybe_assign_meta(socket, page, base) do
     socket
     |> assign(:og_url, base <> "/#{page.slug}")