diff --git a/examples/control_plane/quota_plan_fixtures.py b/examples/control_plane/quota_plan_fixtures.py
index 1dd0d4d857..25e0487a22 100644
--- a/examples/control_plane/quota_plan_fixtures.py
+++ b/examples/control_plane/quota_plan_fixtures.py
@@ -321,7 +321,7 @@ def write_codex_heartbeat_fixture(root: Path, *, goal_id: str, agent_id: str, rr
     path.write_text("\n".join(f"{key} = {json.dumps(value)}" for key, value in fields.items()) + "\n", encoding="utf-8")
 
 
-def write_cli_fixture(root: Path, *, scoped_agents: bool = False) -> tuple[Path, Path, Path]:
+def write_cli_fixture(root: Path, *, scoped_agents: bool = False, provider: str = "sqlite") -> tuple[Path, Path, Path]:
     project = root / "project"
     runtime = root / "runtime"
     registry_path = project / ".loopx" / "registry.json"
@@ -444,7 +444,7 @@ def write_cli_fixture(root: Path, *, scoped_agents: bool = False) -> tuple[Path,
     for record in registry_goals:
         initialize_canonical_authority(runtime, record["id"],
             build_todo_runtime_shadow_projection(goal_id=record["id"], todos=[], handoff_mode="soft_claim"),
-            state_path=project / record["state_file"], provider="sqlite")
+            state_path=project / record["state_file"], provider=provider)
     return registry_path, runtime, project
 
 
diff --git a/tests/test_scheduler_native_launcher.py b/tests/test_scheduler_native_launcher.py
index c2779751b3..cd479e205d 100644
--- a/tests/test_scheduler_native_launcher.py
+++ b/tests/test_scheduler_native_launcher.py
@@ -15,13 +15,7 @@
     write_codex_heartbeat_fixture,
 )
 from loopx.control_plane.testing.canary_harness import run_json_cli_result
-from loopx.control_plane.coordination.runtime_shadow import build_todo_runtime_shadow_projection
-from loopx.control_plane.coordination.coordination_state_contract import (
-    TODO_DOMAIN_READ_RECORD_SCHEMA_VERSION,
-    TODO_DOMAIN_RECORD_FIELDS,
-)
 from tests.control_plane.canonical_authority_fixture import (
-    initialize_canonical_authority,
     isolate_sqlite_runtime,
 )
 
@@ -272,18 +266,10 @@ def test_launcher_binds_ack_to_current_host_readback(
     tmp_path: Path, monkeypatch, provider: str, host: str, launcher: str,
 ) -> None:
     isolate_sqlite_runtime(tmp_path, monkeypatch)
-    registry, runtime, project = write_cli_fixture(tmp_path / "fixture", scoped_agents=True)
+    # Select the provider at creation, never reinitialize the authority already
+    # created by write_cli_fixture under the same operation id.
+    registry, runtime, project = write_cli_fixture(tmp_path / "fixture", scoped_agents=True, provider=provider)
     goal = "needs-operator"
-    state = project / f".codex/goals/{goal}/ACTIVE_GOAL_STATE.md"
-    projection = build_todo_runtime_shadow_projection(
-        goal_id=goal, todos=[], handoff_mode="soft_claim",
-    )
-    projection["todo_read_model"] = {
-        **projection["todo_read_model"],
-        "schema_version": TODO_DOMAIN_READ_RECORD_SCHEMA_VERSION,
-        "contract_fields": list(TODO_DOMAIN_RECORD_FIELDS),
-    }
-    initialize_canonical_authority(runtime, goal, projection, state_path=state, provider=provider)
     codex_home = tmp_path / "codex-home"
     monkeypatch.setenv("CODEX_HOME", str(codex_home))
     monkeypatch.setenv("CODEX_THREAD_ID", "scheduler-fixture")