A working preview of the Field Manual widget primitives.

Inline kbd & readouts

Press ⌘ K to open search, then to confirm. While running, the simulator publishes 42 and 128 to the panel.

You can stamp things inline: FM/041 or LIVE or DRAFT.

Sparkbar — server load leaderboard

srv-01 28%
srv-02 51%
srv-03 74%
srv-04 92%
srv-05 12%

Framed figure — chrome only

FIG · 04 latency by algorithm seed:a4f2 · n=1024
Body slot. A canvas, an SVG chart, an interactive diagram — all wear the same chrome.
p50 12ms p95 41ms p99 96ms last 5m

Stepper — TCP handshake

PHASE 02 / 04

Spec list — frontmatter as a grid

Word count2,418
Reading time11 MIN
Filed underESSAYS / SYSTEMS
Last revised2026-04-26
Footnotes11
StatusPUBLISHED

Line chart — p50 / p95 / p99 latency

FIG · 05 request latency 3 algorithms · 24h window
100ms 75 50 25 00:00 12:00 24:00
round-robin 96 least-conn 88 random 112

Histogram — latency distribution

FIG · 06 latency distribution n=10,432
100% 50 0 P50 · 38ms P95 · 96ms P99 · 142ms

Knobs panel — playground

PLAYGROUND load-balancer params drag to drive sim