feat: add comprehensive logging infrastructure

- Add Loki/Prometheus/Grafana stack in logging-stack/
- Add log-ingest service for receiving events from AI stacks
- Add Grafana dashboard with stack_name filtering
- Update Dokploy client with setApplicationEnv method
- Configure STACK_NAME env var for deployed stacks
- Add alerting rules for stack health monitoring

logging-stack/log-ingest/Dockerfile

@@ -0,0 +1,13 @@
+FROM oven/bun:1.0
+
+WORKDIR /app
+
+COPY package.json bun.lockb* ./
+RUN bun install --frozen-lockfile 2>/dev/null || bun install
+
+COPY . .
+
+ENV PORT=3000
+EXPOSE 3000
+
+CMD ["bun", "run", "src/index.ts"]