feat(prod): complete production deployment with Podman containerization

- Migrate from Docker to Podman for enhanced security (rootless containers)
- Add production-ready Dockerfile with multi-stage builds
- Configure production environment with Arbitrum mainnet RPC endpoints
- Add comprehensive test coverage for core modules (exchanges, execution, profitability)
- Implement production audit and deployment documentation
- Update deployment scripts for production environment
- Add container runtime and health monitoring scripts
- Document RPC limitations and remediation strategies
- Implement token metadata caching and pool validation

This commit prepares the MEV bot for production deployment on Arbitrum
with full containerization, security hardening, and operational tooling.

🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>

scripts/kill-bot.sh

@@ -1,4 +1,14 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+# Safely kill the MEV bot process
 
-kill -9 $(ps -aux | grep -v grep | grep mev | awk '{print $2 }')
+set -euo pipefail
+
+# Find and kill MEV bot processes
+if pgrep -f "mev-bot|mev-beta" >/dev/null 2>&1; then
+    echo "Killing MEV bot processes..."
+    pkill -f "mev-bot|mev-beta" && echo "✅ MEV bot stopped" || echo "❌ Failed to stop MEV bot"
+else
+    echo "No MEV bot processes found"
+    exit 1
+fi