Add Phase 8: NetDisco Integration with NetBox

- Created 12-PHASE8-NETDISCO-INTEGRATION.md with full deployment plan
- Added NetDisco as planned service in CURRENT-STATE.md
- Documented MikroTik SNMP support (hAP ax3, CSS326, cAP ac)
- Added changelog entry for planning phase
- Decision: Keep NetAlertX running during transition

docs/07-CHANGELOG.md

@@ -1,4 +1,24 @@
 # Infrastructure Changelog
+## 2026-01-19 - NetDisco Integration Planning
+
+### Phase 8: NetDisco + NetBox Integration
+- [DOCS] Created 12-PHASE8-NETDISCO-INTEGRATION.md
+- [PLANNING] NetDisco deployment for SNMP-based network discovery
+- [PLANNING] MikroTik SNMP configuration (hAP ax³, CSS326, cAP ac)
+- [PLANNING] NetBox integration via plugin or custom API sync
+- [DECISION] Keep NetAlertX running in parallel during transition
+
+### MikroTik SNMP Support Confirmed
+- hAP ax³ (RouterOS 7.x): Full SNMPv1/v2c/v3 support
+- CSS326 (SwOS): SNMPv1/v2c read-only support
+- cAP ac (RouterOS 7.x): Full SNMPv1/v2c/v3 support
+
+### Resources
+- [NetDisco](https://netdisco.org/)
+- [NetBox Plugin for NetDisco](https://github.com/mksoska/netbox-plugin-netdisco)
+
+---
+
 
 ## 2026-01-19 - NetBox IPAM/DCIM Deployment