[edge-infer] vllm_omni.windows: host-OS compatibility plugin for native Windows

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One package that makes the POSIX assumptions measured in W0-W8 hold in
every process vLLM / vLLM-Omni starts, and reports what it did:
- provides fcntl (flock/lockf on msvcrt.locking; LOCK_SH served as
  exclusive) and uvloop (asyncio.run on a selector loop) when absent;
- installs WindowsSelectorEventLoopPolicy and a signal.signal fallback
  for loop.add_signal_handler on the Windows loop classes;
- replaces whole vLLM's get_open_zmq_ipc_path / find_loaded_library when
  the wheel lacks the branch patch and the upstream body hash is known;
- verifies the wheel-only sites (sentinel poll, int64 seed) and reports
  wheel_required at the exact site instead of failing downstream;
- shm_dir() replaces the /dev/shm literals; os.geteuid provided.
Activated from vllm_omni/patch.py and as vllm.general_plugins /
vllm_omni.general_plugins entry points (idempotent; no-op off Windows).
 prints the audit; the M0 placement
report embeds it. 16 Linux tests through injected primitives.
Design: analysis/design_windows_compat_plugin_20260921.md

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

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tzhouamandClaude Fable 5.1 committed 2026-09-21 14:02:01 +08:00

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tests/windows/__init__.py

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