style(attachments): apply parser formatting

backend/services/attachment_parser.py

@@ -465,8 +465,7 @@ def _is_hwpx_payload(payload: bytes) -> bool:
 
     has_manifest = "Contents/content.hpf" in names or "META-INF/manifest.xml" in names
     has_section = any(
-        name.startswith("Contents/section") and name.endswith(".xml")
-        for name in names
+        name.startswith("Contents/section") and name.endswith(".xml") for name in names
     )
     return (
         mimetype == _HWPX_MIMETYPE

backend/tests/test_attachment_parser.py

@@ -316,10 +316,13 @@ def test_hwpx_attachment_is_deferred_for_structured_xml_package():
     assert result.parser_key == "hwpx"
     assert result.parse_status == "hwpx_xml_package_pending"
     assert result.parse_error_code is None
-    assert decode_deferred_attachment_payload(
-        result.content,
-        "application/hwp+zip",
-    ) == raw
+    assert (
+        decode_deferred_attachment_payload(
+            result.content,
+            "application/hwp+zip",
+        )
+        == raw
+    )
 
 
 @pytest.mark.parametrize("filename", ["proposal.hwpx", "proposal.owpml"])
@@ -377,10 +380,13 @@ def test_hwp_attachment_is_deferred_for_sandboxed_conversion():
     assert result.parser_key == "hwp"
     assert result.parse_status == "hwp_conversion_pending"
     assert result.parse_error_code is None
-    assert decode_deferred_attachment_payload(
-        result.content,
-        "application/x-hwp",
-    ) == raw
+    assert (
+        decode_deferred_attachment_payload(
+            result.content,
+            "application/x-hwp",
+        )
+        == raw
+    )
 
 
 def test_hwp_extension_with_generic_content_type_is_deferred_pending():

backend/tests/test_attachment_parser_hwp_signature.py

@@ -56,9 +56,9 @@ def test_hwp_admission_accepts_ole_plus_hwp_file_header_signature() -> None:
 
 def test_hwp_deferred_decoder_rechecks_hwp_file_header_signature() -> None:
     """Keep stored-payload decoding fail-closed after import-time admission."""
-    encoded = base64.b64encode(
-        _ole_payload(include_hwp_signature=False)
-    ).decode("ascii")
+    encoded = base64.b64encode(_ole_payload(include_hwp_signature=False)).decode(
+        "ascii"
+    )
 
     with pytest.raises(ValueError, match="not a HWP binary"):
         parser.decode_deferred_attachment_payload(

backend/tests/test_attachment_parser_hwpx_bounds.py

@@ -87,9 +87,7 @@ def test_hwpx_recognition_bounds_aggregate_member_name_bytes(
     """Reject metadata expansion through many or very long member names."""
     monkeypatch.setattr(parser, "MAX_HWPX_ZIP_NAME_BYTES", 32)
 
-    result = _parse_hwpx(
-        _hwpx_bytes(extra_entries=(f"Contents/{'x' * 64}.xml",))
-    )
+    result = _parse_hwpx(_hwpx_bytes(extra_entries=(f"Contents/{'x' * 64}.xml",)))
 
     assert result.parse_status == "invalid_hwpx_payload"