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Oliver Kieselbach
0b80f09a74
The two notification-bell React contexts polled GET /api/notifications and
GET /api/global/notifications every 60s regardless of activity, generating
3017+618 = 3635 calls/24h with near-zero hit rate (notifications are emitted
sparsely). SignalR was already used app-wide for live session updates; the
bell was the lone hold-out on a pull model.
Switch to the same push model. Steady-state traffic drops ~86% and the bell
updates sub-second instead of within 60s.
Architecture (Option C+):
- Mount -> 1x HTTP fetch (cold-start hydration via existing GET endpoint)
- SignalR onreconnected -> re-fetch (covers the disconnect window)
- SignalR push -> live append/dismiss
- No periodic polling, no setInterval
Audience-tier security: TenantNotificationAudienceCatalog still drives
visibility (Member vs Admin), but enforcement moves into SignalR group
membership: tenant-{id}-notify-member is joined by every tenant member,
tenant-{id}-notify-admin only by Tenant Admins / Global Admins. The
AddToGroup function fail-closes with 403 on Member-tier joins to the
admin group, so Admin-tier notifications cannot leak via push.
Backend
- ISignalRNotificationService extracted; SignalRNotificationService
implements it. Resolves the long-standing test-mocking blocker
(the real service's constructor validates AzureSignalRConnectionString
and BuildServiceManager(); previously you could not unit-test
consumers). Tenant + Global NotificationService consume the
interface; the three legacy callers (Analyze, Ingest, VulnCorrelate)
still bind to the concrete class -- migrate per test need.
- Six new push methods: SendTenantNotification{,Dismissed,DismissedAll}
and SendGlobalNotification{,Dismissed,DismissedAll}. Tenant variant
routes to the audience-correct group.
- Tenant + Global service push after a successful repo write
(fire-and-forget; never throws into the caller).
- SignalRGroupHelper: parsing handles the two new -notify-{member,admin}
suffixes; new IsTenantNotifyAdminGroup predicate; group-name builders.
- SignalRAddToGroupFunction: explicit 403 when a non-admin attempts
to join the admin-tier group.
Frontend
- TenantNotificationContext: setInterval gone. useSignalR() to
join member-group always, admin-group iff isTenantAdmin || isGlobalAdmin.
Listens for tenantNotification (append + dedupe), tenantNotificationDismissed
(filter), tenantNotificationsDismissedAll (clear). onreconnected
triggers re-fetch.
- GlobalNotificationContext: same pattern against global-admins group.
- app/layout.tsx: SignalRProvider hoisted above the notification
providers so useSignalR() resolves inside them.
Tests
- SignalRGroupHelperTests (8): parsing for all four group formats
incl. new -notify suffixes, IsTenantNotifyAdminGroup predicate.
- TenantNotificationServiceSignalRPushTests (8): audience-correct push
on Create (Admin / Member / Unknown -> Admin fail-closed), no-push
on repo failure, no-push on DismissAll(count=0), no-push on empty
tenantId.
- FakeSignalRNotificationService: in-memory spy implementing the
new interface; replaces the unmockable real service in tests.
- AuthFunctionSideEffectTests + TenantNotificationServiceTests:
constructor signatures updated for the new SignalR dep.
Suites
Backend xUnit: 1161/1161 (was 1146, +15 net).
Web vitest: 259/259 (unchanged; existing notification-API +
gate tests still cover).
Solution build: 0 warnings, 0 errors.
Expected post-deploy reduction (24h):
GET GetTenantNotifications: 3017 -> ~50
GET GetGlobalNotifications: 618 -> ~10
POST AddToGroup: ~246 -> ~350-450 (two joins per tab)
Net bell load: -86%, sub-second live UX.
Disconnect tradeoff (accepted): if SignalR drops without reconnect
(rare -- withAutomaticReconnect retries 1/2/4/8/16/30s ... forever),
the bell shows the snapshot from the last fetch but no live updates
until next reload. The initial-3-retry give-up path of the SignalR
client still gets the user a hydrated bell because the HTTP fetch
runs independently on mount.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Autopilot Monitor
Advanced monitoring and troubleshooting solution for Windows Autopilot deployments. Gain full visibility into every enrollment session with a detailed event timeline, fleet health dashboards, and session reporting. Define custom analysis rules to automatically detect issues and gather rules to collect targeted evidence. Retrieve diagnostics packages on demand, configure agent settings like auto-reboot behavior and automatic timezone adjustment — all managed centrally from the web dashboard.
Private Preview
Autopilot Monitor is currently running as a Private Preview. Visit autopilotmonitor.com to request access and learn more.
Overview
Autopilot Monitor provides real-time tracking, intelligent diagnostics, and automated troubleshooting for Windows Autopilot enrollment processes. It consists of:
- Bootstrap Script — PowerShell script deployed via Intune that starts monitoring early in the enrollment process
- Monitoring Agent — Lightweight .NET application that collects telemetry and evidence during enrollment
- Backend API — Azure Functions-based ingestion and processing pipeline
- Web Dashboard — Next.js application for real-time monitoring and fleet analytics
Architecture
For detailed information about the system architecture, components, and data flow, see Architecture Documentation.
Documentation
Full documentation is available at autopilotmonitor.com/docs
License
This project uses a split licensing model:
- MIT License — Agent (
src/Agent/) and Shared library (src/Shared/) — unrestricted use on end-user devices - AGPL-3.0 — Backend (
src/Backend/), Web Dashboard (src/Web/), and MCP Server (src/McpServer/) — server-side components remain open source
See LICENSE for full details.