From d8d5afdd9ded4d15de77a17d64dfaffce6d4aa49 Mon Sep 17 00:00:00 2001
From: AIPass <aipass.system@gmail.com>
Date: Thu, 16 Apr 2026 00:06:14 -0700
Subject: [PATCH] =?UTF-8?q?feat(system):=20fix(windows):=20SIGPIPE=20guard?=
 =?UTF-8?q?=20in=20flow.py=20(#301)=20+=20fcntl=20platform=20guards=20in?=
 =?UTF-8?q?=20trigger/config.py=20and=20watchdog/registry.py=20(#302)=20?=
 =?UTF-8?q?=E2=80=94=20lazy=20import=20fcntl=20on=20Unix=20only,=20no-op?=
 =?UTF-8?q?=20on=20Windows.=20inbox=5Flock.py=20already=20cross-platform?=
 =?UTF-8?q?=20(msvcrt).=20ai=5Fmail.py=20already=20guarded=20(hasattr=20ch?=
 =?UTF-8?q?eck).=20(#305)?=
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* feat(system): ci: add Windows setup test workflow — runs setup.sh + drone CLI verification on windows-latest GitHub Actions runner. Triggers on changes to setup.sh, handler __init__.py files, cli.py, or pyproject.toml. Closes the 'we never tested on Windows' gap.

Co-Authored-By: @devpulse <devpulse@aipass>

* feat(system): fix(windows): SIGPIPE guard in flow.py (#301) + fcntl platform guards in trigger/config.py and watchdog/registry.py (#302) — lazy import fcntl on Unix only, no-op on Windows. inbox_lock.py already cross-platform (msvcrt). ai_mail.py already guarded (hasattr check).

Co-Authored-By: @devpulse <devpulse@aipass>

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Co-authored-by: @devpulse <devpulse@aipass>