Self-review follow-ups on the F821 sweep:
- plugins/platforms/sms/adapter.py: the optional-import block now sets AIOHTTP_AVAILABLE like
the homeassistant / webhook / whatsapp_cloud adapters, and both call sites test the flag.
Removes the `if not aiohttp is not None:` double negation left by inlining
`_aiohttp_available()`.
- tools/mcp_tool_sampling.py: `call_context` defaults to `lambda: None` so the use site is a
single call instead of an Optional guard; the only None caller was a test. The
`from __future__ import annotations` was noise (`Context` is a runtime import). Comment
names the actual cycle (mcp_tool_server_run imports this module).
- gateway/platforms/helpers.py: drop the `from __future__ import annotations` — the only
MessageEvent annotations are attribute-target locals, which are never evaluated.
- tests/gateway/test_telegram_audio_vs_voice.py, test_video_context_note.py: module-level
`from gateway.run import GatewayRunner` like the ~100 sibling files; the
TYPE_CHECKING block + `# type: ignore[name-defined]` were contradicting each other.
(tests/e2e/conftest.py and test_feishu.py keep TYPE_CHECKING deliberately: they stub
telegram/discord before importing, and FeishuAdapter is gated on optional lark_oapi.)
Mutation check: neutralising the thunk read (`captured = None`) fails
test_captured_context_is_replayed_in_consent_call; restored → 14/14 green. ty on the three
touched production files vs origin/main: 0 new, 6 resolved.
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