feat: Jon Snow Phase 2 — FastAPI orchestrator with LiteLLM brain

OpenAI-compatible API at :8900. Intent classifier routes status queries
to FAST_MODEL (Ollama), task submissions to Plane, planning to SMART_MODEL.
Reads agent-os logs for status context. Phase 3: approval gate + execution.

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

docker-compose.yml

@@ -0,0 +1,26 @@
+services:
+  jon-snow:
+    build: .
+    container_name: jon-snow
+    restart: unless-stopped
+    ports:
+      - "8900:8900"
+    volumes:
+      - /opt/agent-os:/opt/agent-os:rw
+      - /opt/sites:/opt/sites:rw
+    environment:
+      FAST_MODEL: ${FAST_MODEL:-ollama/gemma4}
+      SMART_MODEL: ${SMART_MODEL:-ollama/gemma4}
+      OLLAMA_BASE_URL: ${OLLAMA_BASE_URL:-http://172.27.40.20:11434}
+      ANTHROPIC_API_KEY: ${ANTHROPIC_API_KEY:-}
+      PLANE_URL: ${PLANE_URL:-http://172.27.40.3:8095}
+      PLANE_WORKSPACE: ${PLANE_WORKSPACE:-nxm}
+      PLANE_API_KEY: ${PLANE_API_KEY}
+      AGENT_OS_DIR: /opt/agent-os
+      SITES_DIR: /opt/sites
+    networks:
+      - proxy
+
+networks:
+  proxy:
+    external: true