docs: Add DHCP-based network isolation strategy

- Document OPNsense WAN configuration (pm4 vmbr1 with USB NIC)
- Add DHCP-based isolation workaround for unmanaged Gigabyte switches
- Plan subnet scheme: LAN (10.4.2.0/24), IoT (10.4.10.0/24), Guest (10.4.20.0/24)
- Document planned OPNsense firewall rules for isolation
- Update tasks with OPNsense migration and isolation steps
- Fix Claude Code hooks settings (remove matcher from Stop hook)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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2025-12-21 19:20:07 -05:00
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# Documentation Index
> **Last Updated**: 2025-11-17 (Added Frigate and Foundry VTT to Traefik)
> **Last Updated**: 2025-12-21 (OPNsense WAN config, DHCP isolation strategy)
> **IMPORTANT**: Update this index whenever you modify documentation files
## Quick Reference