fix: installer tolerates localized 'service exists' (1073) and restarts the service if an upgrade step fails; 1.1.7

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

installer/install_common.py

@@ -201,7 +201,8 @@ def install_service(install_dir_path: Path) -> None:
     exe = Path(install_dir_path) / "GTIFiscalAgentService" / "GTIFiscalAgentService.exe"
     bin_path = f"\"{exe}\""
     result = _sc(["create", SERVICE_NAME, "binPath=", bin_path, "start=", "auto", "DisplayName=", SERVICE_DISPLAY])
-    if result.returncode != 0 and "already exists" not in (result.stdout + result.stderr):
+    # 1073 = ERROR_SERVICE_EXISTS. Match the code, never the message: the text is localized (pt-BR: "já existe").
+    if result.returncode not in (0, 1073) and "already exists" not in (result.stdout + result.stderr):
         raise RuntimeError(f"sc create failed: {result.stdout} {result.stderr}".strip())
     _sc(["config", SERVICE_NAME, "start=", "delayed-auto"])
     _sc(["config", SERVICE_NAME, "obj=", "LocalSystem"])

installer/setup_main.py

@@ -142,10 +142,15 @@ def upgrade_flow(*, install_dir_path: str | None = None, progress: Callable[[str
     progress("Atualizando o Agent (identidade e credenciais preservadas)…")
     if common.service_installed():
         common.ensure_service_stopped()
-    extract_payload(install)
-    common.upgrade_agent_env(install, version)
-    common.install_service(install)
-    common.write_arp_uninstall(install)
+    try:
+        extract_payload(install)
+        common.upgrade_agent_env(install, version)
+        common.install_service(install)
+        common.write_arp_uninstall(install)
+    except Exception as error:  # noqa: BLE001 — never leave the host without a running Agent because an upgrade step failed
+        common.ilog(f"upgrade step failed: {error!r}; restarting the existing service")
+        common.start_and_verify(attempts=2)
+        raise
     os.environ["AGENT_VERSION"] = version
     progress("Iniciando o serviço…")
     common.ilog(f"upgrade to {version} from {existing.get('agent_id')}")