fix(contacts): count every contact in the per-month chart

The chart is a public-facing seasonal summary, not a personal
view, so private contacts should roll into the totals like any
other. Drop the visible_query scope from monthly_bars and query
Contact directly.

lib/microwaveprop_web/live/contact_live/index.ex

@@ -70,17 +70,20 @@ defmodule MicrowavepropWeb.ContactLive.Index do
      socket
      |> assign(:page_title, "Contacts")
      |> assign(:total_contacts, total)
-     |> assign(:monthly_bars, monthly_bars(scope))
+     |> assign(:monthly_bars, monthly_bars())
      |> assign(:chart_baseline, @chart_baseline)
      |> assign(:chart_bar_width, @chart_bar_width)
      |> assign(:visible_fields, visible_fields_for(scope))
      |> assign(:data_provider, {__MODULE__, :visible_query_provider, [scope_token(scope)]})}
   end
 
-  defp monthly_bars(scope) do
+  # Counts every contact in the corpus regardless of viewer scope —
+  # the chart is a public-facing seasonal summary, not a personal
+  # view, so private contacts roll into the per-month totals like
+  # any other.
+  defp monthly_bars do
     by_month =
-      scope
-      |> visible_query()
+      Contact
       |> where([c], not is_nil(c.qso_timestamp))
       |> group_by([c], fragment("EXTRACT(MONTH FROM ?)::int", c.qso_timestamp))
       |> select([c], {fragment("EXTRACT(MONTH FROM ?)::int", c.qso_timestamp), count(c.id)})