Complete training workflow and acceptance hardening

scripts/test_isolated_db.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+project="lct-test-$$-$RANDOM$RANDOM"
+compose=(docker compose -p "$project" -f "$repo_root/docker-compose.test-db.yml")
+
+cleanup() {
+  trap - EXIT INT TERM
+  "${compose[@]}" down --volumes --remove-orphans >/dev/null || true
+}
+trap cleanup EXIT
+
+printf 'Изолированный тестовый Compose project: %s\n' "$project"
+"${compose[@]}" up --pull never --detach --wait
+port_mapping=$("${compose[@]}" port postgres 5432)
+db_port="${port_mapping##*:}"
+database_url="postgresql+asyncpg://lct_test:lct_test@127.0.0.1:${db_port}/lct_test"
+evidence_dir="${LCT_TEST_EVIDENCE_DIR:-$repo_root/.local/evidence}"
+mkdir -p "$evidence_dir"
+
+cd "$repo_root/backend"
+DATABASE_URL="$database_url" uv run --extra dev alembic upgrade head
+DATABASE_URL="$database_url" uv run --extra dev python scripts/seed.py
+DATABASE_URL="$database_url" uv run --extra dev python "$repo_root/scripts/load_db.py" \
+  --operations 1000 --workload audit --allow-audit-writes \
+  --output "$evidence_dir/db-audit-write-load-pool-2026-09-25.json"
+DATABASE_URL="$database_url" uv run --extra dev python "$repo_root/scripts/load_db.py" \
+  --operations 1000 --concurrency 20 --workload audit --allow-audit-writes \
+  --output "$evidence_dir/db-audit-write-load-concurrent-2026-09-25.json"
+if (($#)); then
+  DATABASE_URL="$database_url" uv run --extra dev pytest -q --tb=short --show-capture=no "$@"
+else
+  DATABASE_URL="$database_url" uv run --extra dev pytest -q --tb=short --show-capture=no
+fi