Feat: Enhance integration tests

scripts/run_demo.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+
+# Demo runner for polyfill-rs
+# This script runs the quick demo to showcase all available endpoints
+
+set -e
+
+echo "Running polyfill-rs Quick Demo"
+echo "================================="
+
+# Check if we're in the right directory
+if [ ! -f "Cargo.toml" ]; then
+    echo " Error: Please run this script from the project root directory"
+    exit 1
+fi
+
+# Check if the demo example exists
+if [ ! -f "examples/quick_demo.rs" ]; then
+    echo " Error: Quick demo example not found"
+    exit 1
+fi
+
+echo "Configuration:"
+echo "  Host: https://clob.polymarket.com"
+echo "  Chain ID: 137 (Polygon)"
+echo "  Authentication: None required (public endpoints only)"
+echo ""
+
+# Run the quick demo
+echo "Running quick demo..."
+echo "===================="
+
+cargo run --example quick_demo
+
+if [ $? -eq 0 ]; then
+    echo ""
+    echo " Quick demo completed successfully!"
+    echo ""
+    echo "What was tested:"
+    echo "   API connectivity (/ok, /time)"
+    echo "   Market data retrieval (/sampling-markets)"
+    echo "   Order book data (/book)"
+    echo "   Price data (/midpoint, /spread, /price)"
+    echo "   Market metadata (/tick-size, /neg-risk)"
+    echo "   Error handling (invalid inputs)"
+    echo "   Performance characteristics"
+    echo "   Data consistency validation"
+    echo ""
+    echo "The polyfill-rs client is working correctly with the Polymarket API!"
+else
+    echo ""
+    echo " Quick demo failed!"
+    echo "Check the output above for error details."
+    exit 1
+fi