refactor(mcp): restore E305 spacing after squeeze

tools/mcp_tool_common.py

@@ -26,6 +26,7 @@ class _OriginProxy:
 
         return getattr(mcp_tool, name)
 
+
 _core = _OriginProxy()
 _MISSING = object()
 
@@ -41,6 +42,7 @@ def mcp_field(obj, snake: str, camel: str, default=None):
         value = getattr(obj, camel, _MISSING)
     return default if value is _MISSING else value
 
+
 _DEFAULT_TOOL_TIMEOUT = 300      # seconds for tool calls
 
 
@@ -61,6 +63,7 @@ def _resolve_tool_timeout(config: dict) -> float:
         logger.debug("mcp.tool_call timeout resolution failed", exc_info=True)
     return _DEFAULT_TOOL_TIMEOUT
 
+
 # Jitter on reconnect backoff so servers that lost the same backend don't
 # retry in lockstep (thundering herd, synchronized log bursts).
 _BACKOFF_JITTER = 0.2            # +/-20%
@@ -70,6 +73,7 @@ def _jittered(seconds: float) -> float:
     """``seconds`` with +/-20% uniform jitter, floored at 0."""
     return max(0.0, seconds * random.uniform(1.0 - _BACKOFF_JITTER, 1.0 + _BACKOFF_JITTER))
 
+
 # Credential patterns to strip from error messages.
 _CREDENTIAL_PATTERN = re.compile(
     r"(?:"
@@ -131,6 +135,7 @@ def _safe_numeric(value, default, coerce=int, minimum=1):
     except (TypeError, ValueError, OverflowError):
         return default
 
+
 _TRUE_WORDS = frozenset({"true", "1", "yes", "on"})
 _FALSE_WORDS = frozenset({"false", "0", "no", "off"})
 

tools/mcp_tool_config.py

@@ -55,6 +55,7 @@ def _write_stderr_log_header(server_name: str) -> None:
     except Exception:
         pass
 
+
 # Env vars safe to pass to stdio subprocesses (no secrets).
 _SAFE_ENV_KEYS = frozenset({"PATH", "HOME", "USER", "LANG", "LC_ALL", "TERM", "SHELL", "TMPDIR"})
 
@@ -91,6 +92,7 @@ def _workspace_basename() -> str:
     root = _core._workspace_folder()
     return os.path.basename(root.rstrip("/\\")) or root
 
+
 # Cursor's case-sensitive context vars -> resolver.
 _CONTEXT_VAR_RESOLVERS = {
     "userHome": lambda: os.path.expanduser("~"),
@@ -225,6 +227,7 @@ def _interpolate_env_vars(value):
         return [_interpolate_env_vars(v) for v in value]
     return value
 
+
 # (server_name, dotted key path) pairs already warned about; config loads
 # happen on every discovery pass, so warn once per process.
 _whitespace_warned: Set[Tuple[str, str]] = set()

tools/mcp_tool_lifecycle.py

@@ -57,6 +57,7 @@ def _snapshot_child_pids() -> set:
 
     return set()
 
+
 # argv markers of non-MCP gateway children that can race into the snapshot
 # delta during an MCP spawn (defense-in-depth; LSP/slash_worker already use
 # start_new_session). Matched against argv[1:] because Python/Java children

tools/mcp_tool_schema.py

@@ -43,6 +43,7 @@ def _scan_mcp_description(server_name: str, tool_name: str, description: str) ->
         )
     return findings
 
+
 _EMPTY_OBJECT_SCHEMA = {"type": "object", "properties": {}}
 
 
@@ -123,6 +124,7 @@ def sanitize_mcp_name_component(value: str) -> str:
     the historical behavior) so generated names pass provider validation."""
     return re.sub(r"[^A-Za-z0-9_]", "_", str(value or ""))
 
+
 # ``mcp__<server>__<tool>``: the convention shared by Claude Code, Codex and
 # OpenCode. The double underscore disambiguates the server/tool boundary even
 # when either contains underscores, and matches the Anthropic-OAuth wire form.
@@ -145,6 +147,7 @@ def _convert_mcp_schema(server_name: str, mcp_tool) -> dict:
         "parameters": _normalize_mcp_input_schema(mcp_field(mcp_tool, "input_schema", "inputSchema")),
     }
 
+
 # Utility tools generated per server: handler_key -> (description template,
 # parameter properties, required names). Schemas are FROZEN wire bytes — the
 # key order emitted by ``_build_utility_schemas`` must not change.
@@ -206,6 +209,7 @@ def matches_name_filter(tool_name: str, patterns: set[str]) -> bool:
         return True
     return any(fnmatch.fnmatchcase(tool_name, p) for p in patterns if "*" in p or "?" in p or "[" in p)
 
+
 # Utility handler -> ClientSession method it needs (legacy gate when no
 # initialize_result was captured).
 _UTILITY_CAPABILITY_METHODS = {key: key for key, *_ in _UTILITY_TOOL_SPECS}