feat(ui/discovery): intelligent door setup wizard with progressive disclosure and live sniffer

[spelech]

Summary

Transforms the AccessControl door configuration experience from transport-level MQTT complexity into an intuitive, progressive disclosure wizard:

• Strict Discovery Filtering: Filters raw homelab telemetry (battery, linkquality, temp, humidity, power, etc.) to only surface true binary contact sensors with human-friendly device names and models.
• Physical Activity Sniffer: Live real-time buffer (GET /api/discovery/sniff?since=...) detects contact state changes when physically opening/closing a door.
• Progressive Disclosure UI:
  • Direct Z-Wave JS mode renders interactive node cards and completely hides MQTT topic fields.
  • Selecting an integrated lock automatically provisions Built-In Keypad inheritance.
  • Searchable contact sensor catalog eliminates button swarms.
• Controls & Persistence Testing:
  • SQLite Dapper integration test verifying door model persistence.
  • Playwright end-to-end Flow 3 audit against live container, published to Agent Preview Hub.

Verification

• dotnet build AccessControl.slnx: 0 warnings, 0 errors.
• dotnet test AccessControl.slnx: All 107 unit & harness tests pass.
• npm test && npm run lint: All 59 Vitest tests pass, 0 ESLint warnings.
• npm run harness: All 5 Playwright flows pass against live container.
• Preview Hub: https://preview.wileyriley.com/accesscontrol-harness/