chore(tooling): drop scripts/lint-changed.sh — the shared gate runner's Stop hook lints the turn's files, shellcheck included

scripts/lint-changed.sh

@@ -1,64 +0,0 @@
-#!/usr/bin/env bash
-# The fast lint lanes on the uncommitted files only — ruff (check + format) on Python, eslint on the
-# frontend's code and prettier on all of the frontend — for a check after every edit instead of a
-# full gate run. It is a convenience, never the gate: scripts/check.sh stays what a merge or a
-# release requires.
-#
-#   bash scripts/lint-changed.sh          lint what `git status` shows as changed or new
-#   bash scripts/lint-changed.sh --hook   the same, as a Claude Code Stop hook: silent and exit 0 when
-#                                         clean; otherwise the findings on stderr and exit 2, which
-#                                         hands them back to the agent before it ends its turn
-#
-# Measured 2026-10-04: one cold eslint run (type-aware) takes 3.4–4.7 s, so this runs once per turn
-# (Stop), not after every edit — a warm daemon (eslint_d) would add a dependency and a stray process.
-set -u
-cd "$(dirname "$0")/.." || exit 2
-hook=0
-[ "${1:-}" = --hook ] && hook=1
-
-if [ "$hook" = 1 ]; then
-  # A Stop hook that blocked once is told so on the next stop; let that one through, or an unfixable
-  # finding would keep the agent in a loop.
-  grep -q '"stop_hook_active": *true' && exit 0
-fi
-
-mapfile -t changed < <(git status --porcelain --untracked-files=all | sed -E 's/^.. //; s/.* -> //' |
-  while read -r f; do [ -f "$f" ] && printf '%s\n' "$f"; done)
-# eslint reads code; prettier reads every file the gate's `prettier --check .` does (a locale JSON,
-# a stylesheet), and `--ignore-unknown` passes over the ones it has no parser for.
-py=() fe=() pretty=()
-for f in "${changed[@]}"; do
-  case "$f" in
-    backend/*.py | scripts/*.py) py+=("$f") ;;
-  esac
-  case "$f" in
-    frontend/*.ts | frontend/*.tsx | frontend/*.js | frontend/*.mjs) fe+=("${f#frontend/}") ;;
-  esac
-  case "$f" in
-    frontend/*) pretty+=("${f#frontend/}") ;;
-  esac
-done
-
-report="$(
-  if [ ${#py[@]} -gt 0 ]; then
-    python -m ruff check --quiet --config backend/ruff.toml "${py[@]}" 2>&1
-    python -m ruff format --check --quiet --config backend/ruff.toml "${py[@]}" 2>&1
-  fi
-  if [ ${#fe[@]} -gt 0 ]; then
-    (cd frontend && npx eslint --max-warnings 0 "${fe[@]}" 2>&1)
-  fi
-  if [ ${#pretty[@]} -gt 0 ]; then
-    (cd frontend && npx prettier --check --ignore-unknown --log-level warn "${pretty[@]}" 2>&1)
-  fi
-)"
-
-if [ -z "$report" ]; then
-  [ "$hook" = 1 ] || echo "lint-changed: clean (${#py[@]} py, ${#pretty[@]} frontend)"
-  exit 0
-fi
-if [ "$hook" = 1 ]; then
-  printf 'lint-changed found problems in the uncommitted files:\n%s\n' "$report" >&2
-  exit 2
-fi
-printf '%s\n' "$report"
-exit 1