Add Railway deploy workflow

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.github/workflows/deploy-railway.yml

@@ -0,0 +1,20 @@
+# Copyright (c) 2025-2026 BlackRoad OS, Inc. All Rights Reserved.
+name: Deploy to Railway
+
+on:
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+jobs:
+  deploy:
+    name: Deploy to Railway
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: npm install -g @railway/cli
+      - name: Deploy to Railway
+        run: railway up --detach --service blackroad-agents
+        env:
+          RAILWAY_TOKEN: ${{ secrets.RAILWAY_TOKEN }}
+          RAILWAY_PROJECT_ID: ${{ secrets.RAILWAY_PROJECT_ID }}