feat: redesign match play and add broadcast tooling

scripts/bootstrap-dev-database.sql

@@ -0,0 +1,21 @@
+-- Dev database for Vash Esports, matching the personal-website pattern:
+-- one login role owns one database on the central Postgres instance.
+-- Run as the postgres superuser:
+--   psql -h 127.0.0.1 -p 5440 -U postgres -d postgres -v password='choose-one' -f scripts/bootstrap-dev-database.sql
+--
+-- Production stays in database "vash" (owner role vash, app role vash_app).
+-- Staging stays in database "vash_staging" (owner role vash_staging, app role vash_staging_app).
+
+SELECT format('CREATE ROLE vash_dev LOGIN PASSWORD %L', :'password')
+WHERE NOT EXISTS (SELECT 1 FROM pg_roles WHERE rolname = 'vash_dev') \gexec
+
+SELECT 'CREATE DATABASE vash_dev OWNER vash_dev'
+WHERE NOT EXISTS (SELECT 1 FROM pg_database WHERE datname = 'vash_dev') \gexec
+
+REVOKE ALL ON DATABASE vash_dev FROM PUBLIC;
+GRANT CONNECT, TEMPORARY ON DATABASE vash_dev TO vash_dev;
+
+\connect vash_dev
+REVOKE ALL ON SCHEMA public FROM PUBLIC;
+GRANT ALL ON SCHEMA public TO vash_dev;
+ALTER SCHEMA public OWNER TO vash_dev;