# Step: regression_gate_run

Run the resolved prior-phase test command one-shot, bounded by a timeout, so a
watch-mode runner (vitest defaults to watch in a TTY; jest `--watch`) cannot
hang this gate forever (#1857). Uses the shared `normalize-test-command` helper
— the same one the post-merge gate uses — so the two gate paths cannot drift.

Expects `REGRESSION_FILES` (from the prior step) in scope for the pytest branch.

```bash
_FERROX_SHIM_NAME="ferrox-tools.cjs"; _FERROX_RUNTIME_ROOT="${RUNTIME_DIR:-$(git rev-parse --show-toplevel 2>/dev/null || pwd)}"; FERROX_TOOLS="${_FERROX_RUNTIME_ROOT}/ferrox-core/bin/${_FERROX_SHIM_NAME}"; if [ -f "$FERROX_TOOLS" ]; then ferrox_run() { node "$FERROX_TOOLS" "$@"; }; elif [ -f "${_FERROX_RUNTIME_ROOT}/.claude/ferrox-core/bin/${_FERROX_SHIM_NAME}" ]; then FERROX_TOOLS="${_FERROX_RUNTIME_ROOT}/.claude/ferrox-core/bin/${_FERROX_SHIM_NAME}"; ferrox_run() { node "$FERROX_TOOLS" "$@"; }; elif [ -f "${_FERROX_RUNTIME_ROOT}/.codex/ferrox-core/bin/${_FERROX_SHIM_NAME}" ]; then FERROX_TOOLS="${_FERROX_RUNTIME_ROOT}/.codex/ferrox-core/bin/${_FERROX_SHIM_NAME}"; ferrox_run() { node "$FERROX_TOOLS" "$@"; }; elif command -v ferrox-tools >/dev/null 2>&1; then FERROX_TOOLS="$(command -v ferrox-tools)"; ferrox_run() { "$FERROX_TOOLS" "$@"; }; elif [ -f "${CLAUDE_CONFIG_DIR:-$HOME/.claude}/ferrox-core/bin/${_FERROX_SHIM_NAME}" ]; then FERROX_TOOLS="${CLAUDE_CONFIG_DIR:-$HOME/.claude}/ferrox-core/bin/${_FERROX_SHIM_NAME}"; ferrox_run() { node "$FERROX_TOOLS" "$@"; }; elif [ -f "${HERMES_HOME:-$HOME/.hermes}/ferrox-core/bin/${_FERROX_SHIM_NAME}" ]; then FERROX_TOOLS="${HERMES_HOME:-$HOME/.hermes}/ferrox-core/bin/${_FERROX_SHIM_NAME}"; ferrox_run() { node "$FERROX_TOOLS" "$@"; }; elif [ -f "${CURSOR_CONFIG_DIR:-$HOME/.cursor}/ferrox-core/bin/${_FERROX_SHIM_NAME}" ]; then FERROX_TOOLS="${CURSOR_CONFIG_DIR:-$HOME/.cursor}/ferrox-core/bin/${_FERROX_SHIM_NAME}"; ferrox_run() { node "$FERROX_TOOLS" "$@"; }; elif [ -f "${CODEX_HOME:-$HOME/.codex}/ferrox-core/bin/${_FERROX_SHIM_NAME}" ]; then FERROX_TOOLS="${CODEX_HOME:-$HOME/.codex}/ferrox-core/bin/${_FERROX_SHIM_NAME}"; ferrox_run() { node "$FERROX_TOOLS" "$@"; }; elif [ -f "${GEMINI_CONFIG_DIR:-$HOME/.gemini}/ferrox-core/bin/${_FERROX_SHIM_NAME}" ]; then FERROX_TOOLS="${GEMINI_CONFIG_DIR:-$HOME/.gemini}/ferrox-core/bin/${_FERROX_SHIM_NAME}"; ferrox_run() { node "$FERROX_TOOLS" "$@"; }; elif [ -f "${COPILOT_CONFIG_DIR:-$HOME/.copilot}/ferrox-core/bin/${_FERROX_SHIM_NAME}" ]; then FERROX_TOOLS="${COPILOT_CONFIG_DIR:-$HOME/.copilot}/ferrox-core/bin/${_FERROX_SHIM_NAME}"; ferrox_run() { node "$FERROX_TOOLS" "$@"; }; elif [ -f "${WINDSURF_CONFIG_DIR:-$HOME/.codeium/windsurf}/ferrox-core/bin/${_FERROX_SHIM_NAME}" ]; then FERROX_TOOLS="${WINDSURF_CONFIG_DIR:-$HOME/.codeium/windsurf}/ferrox-core/bin/${_FERROX_SHIM_NAME}"; ferrox_run() { node "$FERROX_TOOLS" "$@"; }; elif [ -f "${AUGMENT_CONFIG_DIR:-$HOME/.augment}/ferrox-core/bin/${_FERROX_SHIM_NAME}" ]; then FERROX_TOOLS="${AUGMENT_CONFIG_DIR:-$HOME/.augment}/ferrox-core/bin/${_FERROX_SHIM_NAME}"; ferrox_run() { node "$FERROX_TOOLS" "$@"; }; elif [ -f "${TRAE_CONFIG_DIR:-$HOME/.trae}/ferrox-core/bin/${_FERROX_SHIM_NAME}" ]; then FERROX_TOOLS="${TRAE_CONFIG_DIR:-$HOME/.trae}/ferrox-core/bin/${_FERROX_SHIM_NAME}"; ferrox_run() { node "$FERROX_TOOLS" "$@"; }; elif [ -f "${QWEN_CONFIG_DIR:-$HOME/.qwen}/ferrox-core/bin/${_FERROX_SHIM_NAME}" ]; then FERROX_TOOLS="${QWEN_CONFIG_DIR:-$HOME/.qwen}/ferrox-core/bin/${_FERROX_SHIM_NAME}"; ferrox_run() { node "$FERROX_TOOLS" "$@"; }; elif [ -f "${CODEBUDDY_CONFIG_DIR:-$HOME/.codebuddy}/ferrox-core/bin/${_FERROX_SHIM_NAME}" ]; then FERROX_TOOLS="${CODEBUDDY_CONFIG_DIR:-$HOME/.codebuddy}/ferrox-core/bin/${_FERROX_SHIM_NAME}"; ferrox_run() { node "$FERROX_TOOLS" "$@"; }; elif [ -f "${CLINE_CONFIG_DIR:-$HOME/.cline}/ferrox-core/bin/${_FERROX_SHIM_NAME}" ]; then FERROX_TOOLS="${CLINE_CONFIG_DIR:-$HOME/.cline}/ferrox-core/bin/${_FERROX_SHIM_NAME}"; ferrox_run() { node "$FERROX_TOOLS" "$@"; }; elif [ -f "${GROK_AGENTS_HOME:-$HOME/.agents}/ferrox-core/bin/${_FERROX_SHIM_NAME}" ]; then FERROX_TOOLS="${GROK_AGENTS_HOME:-$HOME/.agents}/ferrox-core/bin/${_FERROX_SHIM_NAME}"; ferrox_run() { node "$FERROX_TOOLS" "$@"; }; elif [ -f "${ANTIGRAVITY_CONFIG_DIR:-$HOME/.gemini/antigravity}/ferrox-core/bin/${_FERROX_SHIM_NAME}" ]; then FERROX_TOOLS="${ANTIGRAVITY_CONFIG_DIR:-$HOME/.gemini/antigravity}/ferrox-core/bin/${_FERROX_SHIM_NAME}"; ferrox_run() { node "$FERROX_TOOLS" "$@"; }; elif [ -f "${OPENCODE_CONFIG_DIR:-${XDG_CONFIG_HOME:-$HOME/.config}/opencode}/ferrox-core/bin/${_FERROX_SHIM_NAME}" ]; then FERROX_TOOLS="${OPENCODE_CONFIG_DIR:-${XDG_CONFIG_HOME:-$HOME/.config}/opencode}/ferrox-core/bin/${_FERROX_SHIM_NAME}"; ferrox_run() { node "$FERROX_TOOLS" "$@"; }; elif [ -f "${KILO_CONFIG_DIR:-${XDG_CONFIG_HOME:-$HOME/.config}/kilo}/ferrox-core/bin/${_FERROX_SHIM_NAME}" ]; then FERROX_TOOLS="${KILO_CONFIG_DIR:-${XDG_CONFIG_HOME:-$HOME/.config}/kilo}/ferrox-core/bin/${_FERROX_SHIM_NAME}"; ferrox_run() { node "$FERROX_TOOLS" "$@"; }; else echo "ERROR: ferrox-tools.cjs not found at $FERROX_TOOLS and ferrox-tools is not on PATH. Run: npx -y ferrox-factory@latest --claude --local" >&2; exit 1; fi; if [ -n "${CLAUDE_ENV_FILE:-}" ] && [ -n "${FERROX_TOOLS:-}" ]; then printf "export PATH='%s':\"\$PATH\"\n" "${FERROX_TOOLS%/*}" >> "$CLAUDE_ENV_FILE" 2>/dev/null || true; fi
# Resolve test command: project config > Makefile > language sniff
REG_TEST_CMD=$(ferrox_run query config-get workflow.test_command --default "" 2>/dev/null || true)
# v1.13 Wave 0 (B5): non-code domains resolve the regression sniff to a no-op so a
# stray package.json cannot drag npm test into a prose increment. Explicit
# workflow.test_command still wins; code domains fall through to the unchanged sniff.
FERROX_DOMAIN=$(ferrox_run query config-get domain --default "" 2>/dev/null || true)
FERROX_DOMAIN_KEY=$(printf '%s' "$FERROX_DOMAIN" | tr '[:upper:]' '[:lower:]' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//' -e 's/[[:space:]_][[:space:]_]*/-/g')
FERROX_NONCODE_DOMAIN=0
case "$FERROX_DOMAIN_KEY" in
  writing|long-form|research|reports|content|design|conversation|support|rag|factual-synthesis) FERROX_NONCODE_DOMAIN=1 ;;
esac
if [ -z "$REG_TEST_CMD" ] && [ "$FERROX_NONCODE_DOMAIN" = "1" ]; then
  REG_TEST_CMD="true"
  echo "Non-code domain '$FERROX_DOMAIN': regression test sniff skipped, no code test runner applies to prose deliverables"
elif [ -z "$REG_TEST_CMD" ]; then
  if [ -f "Makefile" ] && grep -q "^test:" Makefile; then
    REG_TEST_CMD="make test"
  elif [ -f "Justfile" ] || [ -f "justfile" ]; then
    REG_TEST_CMD="just test"
  elif [ -f "package.json" ]; then
    REG_TEST_CMD="npm test"
  elif [ -f "Cargo.toml" ]; then
    REG_TEST_CMD="cargo test"
  elif [ -f "go.mod" ]; then
    REG_TEST_CMD="go test ./..."
  elif [ -f "requirements.txt" ] || [ -f "pyproject.toml" ]; then
    REG_TEST_CMD="python -m pytest ${REGRESSION_FILES} -q --tb=short"
  else
    REG_TEST_CMD="true"
  fi
fi
# #1857: normalize to a one-shot form (defeat vitest/jest watch mode) and bound
# with a timeout so a watch-mode runner cannot hang the gate indefinitely.
REG_TEST_CMD=$(ferrox_run query normalize-test-command "$REG_TEST_CMD" --cwd . 2>/dev/null || echo "$REG_TEST_CMD")
TEST_GATE_TIMEOUT=$(ferrox_run query config-get workflow.test_gate_timeout 2>/dev/null || echo "600")
timeout "$TEST_GATE_TIMEOUT" bash -c "$REG_TEST_CMD" 2>&1
REG_TEST_EXIT=$?
if [ "$REG_TEST_EXIT" -eq 124 ]; then
  echo "✗ REGRESSION GATE ABORTED — test runner did not exit within ${TEST_GATE_TIMEOUT}s, likely stuck in watch/dev mode (e.g. vitest without 'run'). Run tests one-shot (e.g. 'vitest run'), set workflow.test_command, or raise workflow.test_gate_timeout."
fi
```

**On `REG_TEST_EXIT` 124 (`REGRESSION GATE ABORTED`):** HALT — do not proceed to verification. The runner did not exit within the budget (watch/dev mode is the likely cause). Surface the watch-mode cause and the recovery options; never silently continue.