Add Docker Compose Lingma bootstrap support

Package the proxy for Docker Compose deployments and add Lingma bootstrap, session restore, and runtime status support for containerized remote usage.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

docker-compose.yml

@@ -0,0 +1,25 @@
+services:
+  lingma-proxy:
+    build:
+      context: .
+    container_name: lingma-proxy
+    env_file:
+      - .env
+    ports:
+      - "${LINGMA_PROXY_PORT:-8095}:8095"
+    volumes:
+      - ./data:/app/data
+      - ./secrets:/secrets:ro
+    restart: unless-stopped
+    healthcheck:
+      test:
+        [
+          "CMD",
+          "sh",
+          "-c",
+          "wget -q -O - http://127.0.0.1:8095/runtime/status | grep -q '\"ok\":true'"
+        ]
+      interval: 30s
+      timeout: 5s
+      retries: 3
+      start_period: 20s