Initial commit

Node.js dashboard for the agent-gateway demo. Provides:
- Real-time topology graph showing trust relationships and gateway
  allow/deny decisions via WebSocket
- OTLP HTTP/JSON ingestion on /v1/logs and /v1/traces
- Simple event ingestion on POST /api/events for shell scripts
- Authority registry panel backed by Postgres
- otel-collector config bridging gateway OTLP gRPC to this server

Author: Peter-SL5

.gitignore

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+node_modules/
+test-results/
+traces-*.json

Dockerfile

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+FROM node:22-alpine
+WORKDIR /app
+COPY package.json package-lock.json ./
+RUN npm ci --omit=dev
+COPY . .
+EXPOSE 3000
+CMD ["node", "server.js"]

otel-collector.yaml

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+receivers:
+  otlp:
+    protocols:
+      grpc:
+        endpoint: 0.0.0.0:4317
+
+processors:
+  batch:
+    timeout: 1s
+    send_batch_size: 50
+
+exporters:
+  otlphttp/dashboard:
+    endpoint: http://dashboard:3000
+    encoding: json
+    tls:
+      insecure: true
+
+service:
+  pipelines:
+    traces:
+      receivers: [otlp]
+      processors: [batch]
+      exporters: [otlphttp/dashboard]
+
+  telemetry:
+    logs:
+      level: info

package-lock.json

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+{
+  "name": "dashboard",
+  "version": "1.0.0",
+  "private": true,
+  "scripts": {
+    "start": "node server.js",
+    "test": "node --test"
+  },
+  "dependencies": {
+    "pg": "^8.20.0",
+    "ws": "^8.19.0"
+  }
+}