Add cash management schema and immediate variance alerts

server/db/init/01_run_migrations.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+# Run all SQL migrations from /sql/migrations/ in lexical order.
+# On plain Postgres (no pg_cron extension), wrap any bare
+# `create extension if not exists pg_cron;` line so it doesn't abort.
+set -euo pipefail
+
+TMPDIR_M=/tmp/migrations
+mkdir -p "$TMPDIR_M"
+echo ">> applying app migrations from /sql/migrations"
+for f in /sql/migrations/*.sql; do
+  base="$(basename "$f")"
+  # Replace the bare pg_cron extension creation with a soft variant.
+  sed -E "s|^create extension if not exists pg_cron;|do \$\$ begin create extension if not exists pg_cron; exception when others then raise notice 'pg_cron unavailable, skipping schedules'; end \$\$;|i" "$f" > "$TMPDIR_M/$base"
+  echo ">>   $base"
+  psql -v ON_ERROR_STOP=1 \
+       --username "$POSTGRES_USER" \
+       --dbname   "$POSTGRES_DB" \
+       -f "$TMPDIR_M/$base"
+done
+echo ">> migrations complete"