fix(workflows): keep cleanup warnings single-line and remove dead helper

Assisted-by: GitHub Copilot (model: MAI-Code-1-Flash, autonomous)
Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Author: mnriem

src/specify_cli/extensions/__init__.py

@@ -102,15 +102,6 @@ def _load_core_command_names() -> frozenset[str]:
 CORE_COMMAND_NAMES = _load_core_command_names()
 
 
-def _fsync_file(path: Path) -> None:
-    """Best-effort fsync for a regular file."""
-    try:
-        with open(path, "rb") as handle:
-            os.fsync(handle.fileno())
-    except (AttributeError, OSError, NotImplementedError):
-        pass
-
-
 def _fsync_directory(path: Path) -> None:
     """Best-effort fsync for a directory path."""
     if not path.exists():

src/specify_cli/workflows/_commands.py

@@ -1666,8 +1666,7 @@ def _validate_and_install_local(
                 except OSError as cleanup_exc:
                     console.print(
                         "[yellow]Warning:[/yellow] Could not remove temporary "
-                        f"download file {_escape_markup(str(tmp_path))}: "
-                        f"{_escape_markup(str(cleanup_exc))}"
+                        f"workflow download file: {_escape_markup(str(cleanup_exc))}"
                     )
             console.print(f"[red]Error:[/red] Failed to download workflow: {_escape_markup(str(exc))}")
             raise typer.Exit(1)
@@ -1691,8 +1690,7 @@ def _validate_and_install_local(
             except OSError as exc:
                 console.print(
                     "[yellow]Warning:[/yellow] Could not remove temporary "
-                    f"download file {_escape_markup(str(tmp_path))}: "
-                    f"{_escape_markup(str(exc))}"
+                    f"workflow download file: {_escape_markup(str(exc))}"
                 )
         return
 

tests/extensions/test_update_agent_context_feature_json.py

@@ -11,7 +11,6 @@
 
 from tests.conftest import requires_bash
 from tests.extensions.test_extension_agent_context import (
-    BASH,
     POWERSHELL,
     _bash_posix_path,
     _run_bash_agent_context_script,