Add Hobbs host documentation

hosts/hobbs.md

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+# Hobbs (Primary Docker Host)
+
+## Overview
+
+**Hobbs** is the new primary Docker host, replacing Peggy which has a failing disk.
+
+## Specifications
+
+| Spec | Value |
+|------|-------|
+| **Hostname** | hobbs |
+| **IP Address** | 192.168.86.192 |
+| **OS** | Ubuntu 24.04 LTS |
+| **Kernel** | 6.14.0-37-generic |
+| **CPU** | Intel Core i7-7700T (4 cores, 8 threads @ 2.9GHz) |
+| **RAM** | 24GB |
+| **Storage** | 238GB NVMe (Samsung/Intel) |
+| **Network** | Gigabit Ethernet (enp0s31f6) + WiFi |
+
+## Access
+
+```bash
+ssh glyptic@192.168.86.192
+ssh glyptic@hobbs.hobbs.farm  # Once DNS configured
+```
+
+**Credentials:** Same as Peggy (stored in Vaultwarden)
+
+## Services
+
+### Planned Docker Stacks
+
+After migration from Peggy:
+
+- **Infrastructure**: Traefik, AdGuard Home, Portainer
+- **Auth**: Vaultwarden
+- **Monitoring**: Grafana, Prometheus, Alertmanager
+- **Communication**: Matrix Synapse
+- **Media**: Jellyfin, Sonarr, Radarr, SABnzbd
+- **Smart Home**: Home Assistant, ESPHome
+- **Automation**: Gitea, Semaphore, n8n
+
+### Data Storage
+
+Primary data stored on NAS (192.168.86.30) via NFS mount:
+- Mount point: `/mnt/nas/docker`
+- NFS share: `192.168.86.30:/volume1/docker`
+
+## Setup
+
+Provisioned via Ansible:
+```bash
+ansible-playbook -i inventory/hosts.yml playbooks/setup_new_host.yml --limit hobbs
+```
+
+## Migration Status
+
+| Phase | Status | Notes |
+|-------|--------|-------|
+| Hardware setup | ✅ Complete | Ubuntu 24.04 installed |
+| Network config | ✅ Complete | Static IP assigned |
+| Docker install | 🔄 Pending | Ansible playbook ready |
+| NAS mount | 🔄 Pending | Requires NAS share setup |
+| Service migration | 🔄 Pending | After Docker + NAS ready |
+
+## Comparison to Peggy
+
+| Spec | Hobbs | Peggy |
+|------|-------|-------|
+| CPU | i7-7700T | i7-6700T |
+| RAM | **24GB** | 8GB |
+| Storage | 238GB NVMe | 916GB NVMe + 7.3TB HDD (failing) |
+| Status | **New Primary** | Legacy (to be retired) |
+
+## Notes
+
+- Machine was set up 2026-02-04
+- Named following the hobbs.farm naming convention
+- Will become primary Docker host after migration complete
+
+---
+
+*Created: 2026-02-04*