feat(infra): MCP 인프라 서버 통합 — 7개 도구 + core/ 분리

mcp-infra-server를 gpu-services/infra/로 통합.
core/ 순수 로직은 Agent/NanoClaude에서도 직접 import 가능.
도구: docker_status, docker_logs, service_health, disk_usage,
tailscale_status, ollama_models, mlx_models.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

infra/pyproject.toml

@@ -0,0 +1,14 @@
+[project]
+name = "mcp-infra-server"
+version = "0.1.0"
+description = "MCP server for infrastructure monitoring — GPU server, Mac mini, NAS"
+requires-python = ">=3.11"
+dependencies = [
+    "mcp>=1.27.0",
+    "asyncssh>=2.22.0",
+    "pydantic>=2.12.0",
+    "python-dotenv>=1.0.0",
+]
+
+[project.optional-dependencies]
+dev = ["pytest", "pytest-asyncio"]