Changelog

2026-03-03 - Phase 1 Baseline

Added custom_components/nst read-only integration scaffold.
Implemented UDP protocol read path for commands 1,2,3,4,7,8.
Added config flow and options flow with output group JSON support.
Added split fast/slow polling coordinator.
Added read-only sensor and binary sensor platforms.
Added diagnostics endpoint.
Added root documentation:
- README.md
- PHASE1_SCOPE.md
- PROTOCOL_NOTES.md
- MANUAL_TEST_PLAN.md
Added examples:
- examples/output_groups.example.json
- examples/home_assistant_config_snippet.yaml
Added standalone non-HA probe:
- scripts/nst_probe.py