feat(vm): fix devops-backend VM module — Phase 0.1 complete
- Switch backend runner from node:20-alpine to node:20-slim so GNU df
flags (--output=pcent/avail) work inside the container
- Add volume mounts to docker-compose.yml: scripts (ro), VM logs (rw),
docker.sock; set VM_SCRIPTS_PATH + VM_LOG_DIR env vars
- Rebuild repository.ts: env-configurable paths, cron history parser,
unhealthy-container inspector, Ollama model endpoints
- Add routes: GET /api/vm/cron-status, unhealthy containers, Ollama
models, container restart, model unload
- vm-cleanup.sh: add step_cosmos_pglog, step_docker_aged_images; fix
(( count++ )) → count=$(( count + 1 )) for set -e compatibility
- Add docs/VM_OBSERVABILITY_ROADMAP.md
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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