feat: machine management UX + PAUL init (v0.2)
M2 "Machine Management UX": full N-machine management from UI plus
runtime resilience. All 3 screens now live (dashboard, detail, config).
Core:
- PollingEngine offline detection: consecutive-fail threshold emits a
synthetic Disconnected snapshot (no-spam, resets on recovery).
- MachineMonitor dynamic API: AddOrUpdateMachineAsync / RemoveMachineAsync
start/restart/stop a machine's polling live (no app restart); idempotent.
- MachineMonitor.AvailableProtocols exposes loaded protocol ids.
App:
- Machine detail screen: full current snapshot, reachable from dashboard
row, live-refreshing, Back nav.
- Config screen: add / edit / delete machines with validation; Save upserts
+ reloads monitor live; Delete two-state confirm + stops polling.
- Dashboard: "Add machine" button, per-row Details, reload after mutation.
Repo hygiene:
- Untrack stray src/Junction.App/plugins/ build artifact (real output goes
to bin/*/plugins via build target); add to .gitignore.
PAUL: initialized .paul/ (PROJECT/ROADMAP/STATE + paul.json) as cross-session
system-of-record. v0.1 shipped, v0.2 complete, v0.3 OPC UA next.
Build 0 warn/0 err (net48 + net8.0). Tests: 125 unit + 2 docker integration.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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