chore: add support bundle export script

scripts/export_support_bundle.sh

@@ -0,0 +1,94 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+TIMESTAMP="$(date +%Y%m%d-%H%M%S || echo unknown-time)"
+BUNDLE_DIR="rl_swarm_support_${TIMESTAMP}"
+BUNDLE_ARCHIVE="${BUNDLE_DIR}.tar.gz"
+
+echo "=== RL Swarm support bundle exporter ==="
+echo "Creating bundle directory: ${BUNDLE_DIR}"
+echo
+
+mkdir -p "${BUNDLE_DIR}"
+
+echo "[1/4] Collecting basic host information..."
+{
+  echo "=== uname -a ==="
+  uname -a 2>&1 || echo "uname failed"
+
+  echo
+  echo "=== python3 --version ==="
+  python3 --version 2>&1 || echo "python3 not found"
+
+  echo
+  echo "=== docker --version ==="
+  docker --version 2>&1 || echo "docker not found or version check failed"
+
+  echo
+  echo "=== docker compose version / docker-compose version ==="
+  if command -v docker-compose >/dev/null 2>&1; then
+    docker-compose version 2>&1 || echo "docker-compose version failed"
+  elif docker compose version >/dev/null 2>&1; then
+    docker compose version 2>&1 || echo "docker compose version failed"
+  else
+    echo "Neither docker-compose nor docker compose detected."
+  fi
+
+  echo
+  echo "=== nvidia-smi (if available) ==="
+  if command -v nvidia-smi >/dev/null 2>&1; then
+    nvidia-smi 2>&1 || echo "nvidia-smi failed"
+  else
+    echo "nvidia-smi not found."
+  fi
+} > "${BUNDLE_DIR}/host_info.txt"
+
+echo "  - host_info.txt collected."
+echo
+
+echo "[2/4] Collecting RL Swarm repository state..."
+{
+  echo "=== git status ==="
+  git status --short --branch 2>&1 || echo "git status failed"
+
+  echo
+  echo "=== git rev-parse HEAD ==="
+  git rev-parse HEAD 2>&1 || echo "git rev-parse failed"
+
+  echo
+  echo "=== git remote -v ==="
+  git remote -v 2>&1 || echo "git remote failed"
+} > "${BUNDLE_DIR}/repo_info.txt"
+
+echo "  - repo_info.txt collected."
+echo
+
+echo "[3/4] Collecting logs (best-effort)..."
+
+LOG_CANDIDATES=(
+  "logs"
+  "log"
+  "output"
+)
+
+for path in "${LOG_CANDIDATES[@]}"; do
+  if [ -d "${path}" ]; then
+    echo "  - found log directory: ${path}"
+    cp -r "${path}" "${BUNDLE_DIR}/" || echo "    failed to copy ${path}"
+  fi
+done
+
+echo "If your RL Swarm logs live in a custom directory, you can copy them"
+echo "into ${BUNDLE_DIR} before sending the archive."
+echo
+
+echo "[4/4] Creating archive..."
+tar -czf "${BUNDLE_ARCHIVE}" "${BUNDLE_DIR}" || {
+  echo "Failed to create archive ${BUNDLE_ARCHIVE}."
+  exit 1
+}
+
+echo
+echo "Support bundle created: ${BUNDLE_ARCHIVE}"
+echo "You can attach this file (after reviewing and removing any secrets)"
+echo "to GitHub issues or share it securely with maintainers."