feat(scheduler,rotation,envelope,api,ui): pgqueuer jobs and deferred injects, master rotation with handout, vault envelope, jobs page

tests/pgurl.py

@@ -0,0 +1,9 @@
+"""Print a TEST_DATABASE_URL for the compose postgres (`make db`) from beaver-agent/.env."""
+
+from dotenv import dotenv_values
+
+v = dotenv_values("../beaver-agent/.env")
+user = v.get("POSTGRES_USER") or "beaver"
+port = v.get("PORT_POSTGRES") or "5432"
+db = v.get("POSTGRES_DB") or "beaver"
+print(f"postgresql://{user}:{v['POSTGRES_PASSWORD']}@127.0.0.1:{port}/{db}")