terminal: guard foreground server/watch commands (salvage #10810)#12723
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Salvage of #10810 by @etherman-os onto current main.
Summary
Rejects foreground terminal calls that start long-lived servers or use shell-level background wrappers, steering the model to
background=truewith actionable guidance. Complements #8340 (which unblocks the drain-thread hang) by preventing the bad pattern from being issued in the first place.Changes
tools/terminal_tool.py: guard rejectsnohup/disown/setsid/trailing&and long-lived patterns (npm/pnpm/yarn/bun run dev|start|serve|watch,docker compose up,next dev,vite,nodemon,uvicorn,gunicorn,python -m http.server) in foreground mode;--help/--versionvariants unblocked.scripts/release.py: addetherman-osto AUTHOR_MAP.Validation
scripts/run_tests.sh tests/tools/test_terminal_foreground_timeout_cap.py -q— 11 passed.Closes #10810 with authorship preserved via cherry-pick.