Initial commit: stateful OpenStack API laboratory simulator.

Ship Keystone auth, multi-service handlers (Yoga→Dalmatian), Compose/Helm
packaging, API contract packs, and pytest/Pulumi coverage labs.

.env.example

@@ -0,0 +1,29 @@
+APP_HOST=0.0.0.0
+# Internal uvicorn port (not published). Public OpenStack ports are on api-gateway.
+APP_PORT=8080
+DATABASE_URL=postgresql://openstack:openstack@postgres:5432/openstack_simulator
+TEST_DATABASE_URL=postgresql://openstack:openstack@postgres:5432/openstack_simulator
+DB_POOL_MIN_SIZE=1
+DB_POOL_MAX_SIZE=10
+DB_CONNECT_TIMEOUT_SECONDS=10
+DB_COMMAND_TIMEOUT_SECONDS=30
+LOG_LEVEL=INFO
+REQUEST_ID_HEADER=X-Request-ID
+OPENSTACK_SERIES=dalmatian
+# Leave CONTRACT_SNAPSHOT unset for OpenStack-only mode.
+# CONTRACT_SNAPSHOT=
+# COMPATIBILITY_EVIDENCE=
+CONTRACT_FALLBACK=error
+CATALOG_ARTIFACT_URL_6=stub://openstack/yoga/api-contract
+CATALOG_ARTIFACT_URL_7=stub://openstack/antelope/api-contract
+CATALOG_ARTIFACT_URL_8=stub://openstack/caracal/api-contract
+CATALOG_ARTIFACT_URL_9=stub://openstack/dalmatian/api-contract
+TICKET_SIGNING_KEY=development-only-signing-key-change-me
+TASK_WORKER_CONCURRENCY=2
+TASK_LEASE_SECONDS=30
+SIMULATION_SEED=42
+SIMULATION_TIME_SCALE=10
+SEED_PROFILE=minimal
+OS_PASSWORD=secret
+SIMULATOR_ADMIN_ENABLED=false
+SIMULATOR_ADMIN_TOKEN=replace-with-a-long-random-secret