Fix A002: rename id parameter to request_id in Spec class

[Copilot]

Ruff rule A002 flags function arguments that shadow Python builtins. The Spec class in jsonrpyc/__init__.py used id as a parameter name in four methods, shadowing the built-in id().

Changes

• jsonrpyc/__init__.py: Renamed id → request_id in Spec.check_id, Spec.request, Spec.response, and Spec.error, including all internal usages, the one keyword-argument call site (Spec.request(method, id=id, ...) → Spec.request(method, request_id=id, ...)), and docstrings.
• pyproject.toml: Removed A002 from the ruff ignore list.

# Before
def check_id(cls, id: str | int | None, *, allow_empty: bool = False) -> None: ...
def request(cls, method: str, /, id: str | int | None = None, ...) -> str: ...
def response(cls, id: str | int | None, result: Any, /) -> str: ...
def error(cls, id: str | int | None, code: int, ...) -> str: ...

# After
def check_id(cls, request_id: str | int | None, *, allow_empty: bool = False) -> None: ...
def request(cls, method: str, /, request_id: str | int | None = None, ...) -> str: ...
def response(cls, request_id: str | int | None, result: Any, /) -> str: ...
def error(cls, request_id: str | int | None, code: int, ...) -> str: ...

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• unsupported.example.com
  • Triggering command: /usr/bin/python python -m pytest tests/ -x -q (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)