Covers manual migration (db.rs intentionally does not auto-migrate),
env vars (DATABASE_URL / OPS_SERVER_HOST / OPS_SERVER_PORT /
RUST_LOG / OPS_SEED_TEMPLATES / SIMULATE_PLC), dev + release run
commands, verification endpoints, and a no-PLC end-to-end smoke flow
using the seed + simulator.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
