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add full enrollment timeline docs section explaining IME log backfill

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Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Oliver Kieselbach
2026-04-03 14:41:41 +02:00
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commit b53e992f25
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src/Web/autopilot-monitor-web/app/docs/sections/SectionAgent.tsx
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@@ -52,6 +52,56 @@ export function SectionAgent() {
the backend for live monitoring and analysis.
</p>
<div className="mb-6">
<div className="flex items-center gap-2 mb-3">
<svg className="w-5 h-5 text-indigo-600 shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z" />
</svg>
<h3 className="text-lg font-semibold text-gray-900">Full Enrollment Timeline &mdash; From the Very First Second</h3>
</div>
<p className="text-gray-700 mb-4">
Although the agent arrives on the device via the bootstrapper script &mdash; typically a few minutes after
MDM enrollment begins &mdash; it does not miss any earlier activity. The Intune Management Extension (IME)
has been writing detailed log files from the very start of enrollment, and the agent reads those logs
from the beginning on its first launch. This backfill mechanism ensures complete coverage of the entire
enrollment timeline, with no blind spots.
</p>
<div className="space-y-3 text-sm text-gray-700">
<div className="flex items-start gap-3 p-3 bg-indigo-50 border border-indigo-100 rounded-lg">
<span className="text-indigo-600 font-bold mt-0.5 shrink-0">1</span>
<div>
<span className="font-medium text-gray-900">IME logs from the start:</span>{" "}
The Intune Management Extension begins logging immediately when enrollment starts &mdash; long before
the agent exists on the device. App downloads, installations, ESP phase transitions, and policy
processing are all recorded into CMTrace-formatted log files on disk.
</div>
</div>
<div className="flex items-start gap-3 p-3 bg-indigo-50 border border-indigo-100 rounded-lg">
<span className="text-indigo-600 font-bold mt-0.5 shrink-0">2</span>
<div>
<span className="font-medium text-gray-900">Backfill on first launch:</span>{" "}
When the agent starts for the first time, it reads the IME log files from byte position zero. Every
historical entry &mdash; app state changes, phase transitions, download progress, script executions &mdash; is
parsed and processed as if the agent had been running the whole time. Archived (rotated) log files
are included and processed before the current log to preserve chronological order.
</div>
</div>
<div className="flex items-start gap-3 p-3 bg-indigo-50 border border-indigo-100 rounded-lg">
<span className="text-indigo-600 font-bold mt-0.5 shrink-0">3</span>
<div>
<span className="font-medium text-gray-900">Real-time from there:</span>{" "}
After the initial backfill completes, the agent switches to incremental polling. It tracks the byte
position in each log file and reads only new data on each cycle, providing real-time visibility into
ongoing enrollment activity without re-processing earlier entries.
</div>
</div>
</div>
<p className="mt-3 text-sm text-gray-500">
The result is a complete, chronologically accurate record of every app installation, ESP phase, and
enrollment signal from T=0 &mdash; regardless of when the agent was installed on the device.
</p>
</div>
<div className="mb-6 p-5 bg-blue-50 border border-blue-200 rounded-lg">
<div className="flex items-center gap-3 mb-2">
<svg className="w-5 h-5 text-blue-600 shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">