ping reporting + service unit

schemas/create_ping_reports.sql

@@ -0,0 +1,14 @@
+-- Per-match ping telemetry reported by game clients.
+create table if not exists public.ping_reports (
+  id bigint generated by default as identity not null,
+  created_at timestamp with time zone not null default now(),
+  user_id bigint not null references public.users(id),
+  match_id bigint not null references public.matches(id),
+  ip_address text null,
+  ping integer not null,
+  constraint ping_reports_pkey primary key (id)
+);
+
+create index if not exists ping_reports_user_id_idx on public.ping_reports(user_id);
+create index if not exists ping_reports_match_id_idx on public.ping_reports(match_id);
+create index if not exists ping_reports_created_at_idx on public.ping_reports(created_at);