Add Joplin, old Mac, and Fedora WiFi runbooks; simplify JA3 Whisky scripts and hotspot recovery.

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

docs/old_mac/scripts/connect-fedora.sh

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+#!/usr/bin/env bash
+# Mac: подключиться к Fedora по SSH (LAN или BT PAN).
+#   bash docs/old_mac/scripts/connect-fedora.sh [ssh args...]
+set -euo pipefail
+
+ENV="${OLD_MAC_FEDORA_ENV:-$HOME/.config/old_mac/fedora.env}"
+KEY="$HOME/.ssh/id_ed25519_fedora"
+EXTRA_ARGS=("$@")
+
+if [ -f "$ENV" ]; then
+  # shellcheck disable=SC1090
+  source "$ENV"
+fi
+FEDORA_USER="${FEDORA_USER:-p}"
+
+try_host() {
+  local host="$1"
+  local label="$2"
+  if ssh -i "$KEY" -o ConnectTimeout=3 -o BatchMode=yes \
+    -o StrictHostKeyChecking=accept-new \
+    "$host" "echo ok" >/dev/null 2>&1; then
+    printf '[ok] SSH через %s (%s)\n' "$label" "$host"
+    exec ssh -i "$KEY" -o StrictHostKeyChecking=accept-new "$host" "${EXTRA_ARGS[@]}"
+  fi
+  return 1
+}
+
+[ -f "$KEY" ] || {
+  printf 'Нет ключа %s — сначала: bash docs/old_mac/scripts/setup-remote-mac.sh\n' "$KEY"
+  exit 1
+}
+
+printf 'Пробую подключение к Fedora (user %s)…\n' "$FEDORA_USER"
+
+try_host "fedora-mbp" "ssh config / mDNS" || \
+try_host "fedora-mbp-bt" "BT PAN" || \
+try_host "${FEDORA_USER}@${FEDORA_HOST:-fedora.local}" "mDNS" || \
+try_host "${FEDORA_USER}@${FEDORA_IP:-10.23.120.30}" "hotspot IP" || \
+try_host "${FEDORA_USER}@${FEDORA_BT_IP:-172.20.99.1}" "BT Fedora IP" || {
+  printf '\nSSH недоступен (ключ не принят или нет сети).\n'
+  printf '  Парольный bootstrap: bash docs/old_mac/scripts/bootstrap-ssh-fedora.sh\n'
+  printf '  Диагностика: bash docs/old_mac/scripts/discover-fedora.sh\n'
+  exit 1
+}