fix: installer stops the service reliably before upgrading and retries locked file copies; 1.1.5

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

tests/test_release_candidate.py

@@ -14,11 +14,11 @@ sys.path.insert(0, str(ROOT))
 def test_versions_are_coherent_across_hub_agent_and_packages():
     from central.app.version import GTI_FISCAL_VERSION
     v = (ROOT / "release" / "VERSION").read_text(encoding="utf-8").strip()
-    assert v == GTI_FISCAL_VERSION == "1.1.4"
+    assert v == GTI_FISCAL_VERSION == "1.1.5"
     pep = v.replace("-rc", "rc")
     for pp in ("central/pyproject.toml", "agent/pyproject.toml"):
         assert f'version = "{pep}"' in (ROOT / pp).read_text(encoding="utf-8")
-    assert '"AGENT_VERSION", "1.1.4"' in (ROOT / "agent" / "scripts" / "run_agent_service.py").read_text(encoding="utf-8")
+    assert '"AGENT_VERSION", "1.1.5"' in (ROOT / "agent" / "scripts" / "run_agent_service.py").read_text(encoding="utf-8")
     manifest = ROOT / "release" / "RELEASE_MANIFEST.json"
     if manifest.exists():
         m = json.loads(manifest.read_text(encoding="utf-8"))

tests/test_zero_touch_installer.py

@@ -36,7 +36,7 @@ def world(tmp_path, monkeypatch):
     monkeypatch.setattr(common, "service_running", lambda: False)
     monkeypatch.setattr(common, "service_installed", lambda: True)
     monkeypatch.setattr(common, "start_service", lambda: calls.append(("start",)))
-    monkeypatch.setattr(common, "stop_service", lambda: calls.append(("stop",)))
+    monkeypatch.setattr(common, "ensure_service_stopped", lambda timeout=45.0: calls.append(("stop",)))
     monkeypatch.setattr(common, "wait_service_state", lambda wanted, timeout=45: True)
     monkeypatch.setattr(common, "wait_for_heartbeat", lambda token, hub, timeout=120: calls.append(("heartbeat_wait",)) or True)
     monkeypatch.setattr(common, "audit_event", lambda *a, **k: None)