Add Tor placeholders instructions and fallback

scripts/download_tor.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+VERSION="${VERSION:-13.5.18}"
+BASE_URL="https://www.torproject.org/dist/torbrowser"
+
+case "$(uname -s)" in
+  Linux*)  PLATFORM=linux;  ARCHIVE="tor-expert-bundle-linux-x86_64-${VERSION}.tar.gz"; EXE=tor;;
+  Darwin*) PLATFORM=mac;    ARCHIVE="tor-expert-bundle-macos-x86_64-${VERSION}.tar.gz"; EXE=tor;;
+  MINGW*|MSYS*|CYGWIN*) PLATFORM=win; ARCHIVE="tor-expert-bundle-windows-x86_64-${VERSION}.tar.gz"; EXE=tor.exe;;
+  *) echo "Unsupported OS" >&2; exit 1;;
+esac
+
+TMPDIR=$(mktemp -d)
+trap 'rm -rf "$TMPDIR"' EXIT
+
+URL="$BASE_URL/${VERSION}/${ARCHIVE}"
+
+echo "Downloading $URL"
+curl -L "$URL" -o "$TMPDIR/$ARCHIVE"
+
+echo "Extracting..."
+tar -xf "$TMPDIR/$ARCHIVE" -C "$TMPDIR"
+
+DEST="$(dirname "$0")/../voxvera/resources/tor/$PLATFORM"
+mkdir -p "$DEST"
+
+TOR_BIN=$(find "$TMPDIR" -type f -name "$EXE" | head -n 1)
+OBFS_BIN=$(find "$TMPDIR" -type f -name "obfs4proxy*" | head -n 1)
+
+if [[ -z "$TOR_BIN" || -z "$OBFS_BIN" ]]; then
+  echo "Failed to locate tor or obfs4proxy in archive" >&2
+  exit 1
+fi
+
+cp "$TOR_BIN" "$DEST/$(basename "$EXE")"
+cp "$OBFS_BIN" "$DEST/$(basename "$OBFS_BIN")"
+
+chmod +x "$DEST/$(basename "$EXE")" "$DEST/$(basename "$OBFS_BIN")"
+
+echo "Installed binaries to $DEST"
+