Expand local_machine docs and automation for connectivity, games, and ops.

Add proxy/VPN/telegram launchd and emergency runbooks; reorganize apps docs;
document JA3 CrossOver runbook and Wine troubleshooting; add GOG/HoMM game
scripts, disk cleanup guides, and gitea push-via-proxy helper. Ignore temp/.

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/games/gog/fetch-ja3-setup-exe.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+# Скачать только лаунчер (~1 MB) для multipart offline backup JA3.
+set -euo pipefail
+GOG_DIR="$(cd "$(dirname "$0")" && pwd)"
+JA3_GAMES_DIR="${JA3_GAMES_DIR:-${HOME}/Games}"
+OUT="${JA3_GAMES_DIR}/setup_jagged_alliance_3_1.5.2_(80730).exe"
+
+mkdir -p "${JA3_GAMES_DIR}"
+
+if [[ -f "${OUT}" ]]; then
+  echo "Уже есть: ${OUT}"
+  exit 0
+fi
+
+if ! command -v lgogdownloader >/dev/null 2>&1; then
+  echo "❌ Нужен lgogdownloader: brew install lgogdownloader"
+  exit 1
+fi
+
+echo "Скачивание en1installer0 (~1 MB) → ${OUT}"
+echo "Если ошибка login — выполните: lgogdownloader --login"
+echo ""
+
+lgogdownloader \
+  --download-file "jagged_alliance_3/en1installer0" \
+  --output-file "$(basename "${OUT}")" \
+  --directory "${JA3_GAMES_DIR}"
+
+if [[ -f "${OUT}" ]]; then
+  ls -lh "${OUT}"
+  echo "OK. Дальше: bash ${GOG_DIR}/install-ja3-multipart.sh"
+else
+  # lgogdownloader может сохранить под другим именем
+  f="$(find "${JA3_GAMES_DIR}" -maxdepth 1 -iname 'setup*jagged*alliance*3*.exe' -print -quit 2>/dev/null || true)"
+  if [[ -n "${f}" ]]; then
+    echo "Скачан как: ${f}"
+    echo "Запуск: JA3_SETUP_EXE='${f}' bash ${GOG_DIR}/install-ja3-multipart.sh"
+  else
+    echo "❌ .exe не появился в ${JA3_GAMES_DIR}"
+    exit 1
+  fi
+fi