feat: add Railway configuration for WebSocket server deployment

Author: AvatarOS Developer

.railwayignore

@@ -0,0 +1,59 @@
+# Railway deployment ignore file
+# Only deploy WebSocket server essentials
+
+# Development files
+_dev/
+dev/
+.vscode/
+.idea/
+
+# Frontend build artifacts (not needed on Railway)
+dist/
+build/
+.next/
+out/
+
+# Storybook
+storybook-static/
+.storybook/
+
+# Reports and docs
+reports/
+coverage/
+docs/
+
+# Test files
+tests/
+*.test.js
+*.spec.js
+
+# Git
+.git/
+.github/
+
+# Cache
+.cache/
+.parcel-cache/
+.vite/
+
+# Logs
+logs/
+*.log
+
+# OS files
+.DS_Store
+Thumbs.db
+
+# IDE
+*.swp
+*.swo
+
+# Scripts
+scripts/
+.gemini/
+
+# Frontend source (not needed for WebSocket server)
+# Keep src/shared/lib for imports
+public/
+design/
+tokens/

railway.toml

@@ -0,0 +1,13 @@
+[build]
+builder = "NIXPACKS"
+
+[deploy]
+startCommand = "npm start"
+healthcheckPath = "/healthz/config"
+healthcheckTimeout = 30
+restartPolicyType = "ON_FAILURE"
+restartPolicyMaxRetries = 10
+
+[nixpacks]
+# Only install production dependencies
+nixpacksConfigPath = "nixpacks.toml"