Baseline interpreter: /usr/bin/python3.12 CPython 3.12.3, Ubuntu 3.12.3-1ubuntu0.17 ordinary GIL build; Linux x86_64 (chapter 00 freeze).
Hexo isolated runtime: /opt/cloudcli/node/bin/node v22.16.0.
Input: word_count 'One two one'; asyncio.Event keeps both workers waiting; 2 worker slots, 1 waiting queue slot, admission limit 3. Single event-loop access only; no cross-thread mutation, network-connection limit or historical store retention bound claimed.
Official docs verified HTTP 200 on 2026-10-08: https://docs.python.org/3.12/library/asyncio-queue.html (positive maxsize, put_nowait QueueFull, join/task_done).
Network admission, high-volume memory profiling, forced shutdown, complete service memory bound: NOT_RUN.
