feat(observatory): install local M49 worker path

tests/test_local_service_launchd.py

@@ -65,6 +65,72 @@ def test_launch_agent_plan_disables_sync_and_enables_watchdog(tmp_path: Path) ->
     assert "MISSIONCORE_DATA_DIR" not in desired["EnvironmentVariables"]
     assert plan.to_dict()["changes"]["repository_migration"] is False
     assert plan.to_dict()["changes"]["data_directory_preserved"] is False
+    assert plan.to_dict()["changes"]["local_observatory_worker_enabled"] is False
+
+
+def test_launch_agent_plan_explicitly_enables_local_observatory_worker(
+    tmp_path: Path,
+) -> None:
+    repository = tmp_path / "repo"
+    repository.mkdir()
+    data_directory = repository / ".runtime" / "mission-core"
+    data_directory.mkdir(parents=True, mode=0o700)
+    for name in (
+        "observatory-artifact-store",
+        "observatory-worker-source-cas",
+        "observatory-worker-result-staging",
+    ):
+        (data_directory / name).mkdir(mode=0o700)
+    uv_entrypoint = tmp_path / "uv"
+    uv_entrypoint.write_text("#!/bin/sh\n")
+    uv_entrypoint.chmod(0o700)
+    agent = tmp_path / "agent.plist"
+    _write_agent(path=agent, repository=repository, uv_entrypoint=uv_entrypoint)
+
+    plan = plan_mission_core_launch_agent(
+        repository_root=repository,
+        agent_path=agent,
+        enable_local_observatory_worker=True,
+    )
+    desired = plistlib.loads(plan.desired_payload)
+    environment = desired["EnvironmentVariables"]
+
+    assert environment["MISSIONCORE_DATA_DIR"] == str(data_directory)
+    assert environment["MISSIONCORE_OBSERVATORY_WORKER_LOCAL_ENABLED"] == "1"
+    assert environment["MISSIONCORE_ARTIFACT_STORE_ROOT"] == str(
+        data_directory / "observatory-artifact-store"
+    )
+    assert environment["MISSIONCORE_OBSERVATORY_WORKER_SOURCE_CAS_ROOT"] == str(
+        data_directory / "observatory-worker-source-cas"
+    )
+    assert environment["MISSIONCORE_OBSERVATORY_WORKER_RESULT_STAGING_ROOT"] == str(
+        data_directory / "observatory-worker-result-staging"
+    )
+    assert plan.local_observatory_worker_enabled is True
+    assert plan.to_dict()["changes"]["local_observatory_worker_enabled"] is True
+
+
+def test_launch_agent_plan_rejects_missing_local_observatory_roots(
+    tmp_path: Path,
+) -> None:
+    repository = tmp_path / "repo"
+    repository.mkdir()
+    (repository / ".runtime" / "mission-core").mkdir(parents=True, mode=0o700)
+    uv_entrypoint = tmp_path / "uv"
+    uv_entrypoint.write_text("#!/bin/sh\n")
+    uv_entrypoint.chmod(0o700)
+    agent = tmp_path / "agent.plist"
+    _write_agent(path=agent, repository=repository, uv_entrypoint=uv_entrypoint)
+
+    with pytest.raises(
+        MissionCoreLaunchAgentError,
+        match="local Observatory artifact store is unavailable",
+    ):
+        plan_mission_core_launch_agent(
+            repository_root=repository,
+            agent_path=agent,
+            enable_local_observatory_worker=True,
+        )
 
 
 def test_launch_agent_plan_rejects_cross_repository_migration_by_default(