chore: import upstream snapshot with attribution

.github/actions/conformance/run-server.sh

@@ -0,0 +1,51 @@
+#!/bin/bash
+set -e
+
+PORT="${PORT:-3001}"
+SERVER_URL="http://localhost:${PORT}/mcp"
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+cd "$SCRIPT_DIR/../../.."
+
+# Refuse to start if something is already listening on the port. The readiness
+# check below cannot tell our server apart from a stale one, so a leftover
+# listener would mean silently running conformance against old code.
+if (: > "/dev/tcp/localhost/${PORT}") 2>/dev/null; then
+    echo "Error: port ${PORT} is already in use." >&2
+    echo "Stop the stale process first (lsof -ti:${PORT} -sTCP:LISTEN | xargs kill) or set PORT to a free port." >&2
+    exit 1
+fi
+
+echo "Starting mcp-everything-server on port ${PORT}..."
+uv run --frozen mcp-everything-server --port "$PORT" &
+SERVER_PID=$!
+
+cleanup() {
+    echo "Stopping server (PID: ${SERVER_PID})..."
+    kill $SERVER_PID 2>/dev/null || true
+    wait $SERVER_PID 2>/dev/null || true
+}
+trap cleanup EXIT
+
+# Wait for server to be ready. --max-time keeps a hung listener from wedging
+# the loop, and a dead server process fails fast instead of retrying.
+echo "Waiting for server to be ready..."
+MAX_RETRIES=30
+RETRY_COUNT=0
+while ! curl -s --max-time 2 "$SERVER_URL" > /dev/null 2>&1; do
+    if ! kill -0 $SERVER_PID 2>/dev/null; then
+        echo "Server process exited unexpectedly" >&2
+        exit 1
+    fi
+    RETRY_COUNT=$((RETRY_COUNT + 1))
+    if [ $RETRY_COUNT -ge $MAX_RETRIES ]; then
+        echo "Server failed to start after ${MAX_RETRIES} retries" >&2
+        exit 1
+    fi
+    sleep 0.5
+done
+
+echo "Server ready at $SERVER_URL"
+
+npx --yes "${CONFORMANCE_PKG:?set CONFORMANCE_PKG (pinned in .github/workflows/conformance.yml)}" \
+    server --url "$SERVER_URL" "$@"