A working preview of the inline 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: REV A 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
Body slot. A canvas, an SVG chart, an interactive diagram — all wear the same chrome.
p50 12ms
p95 41ms
p99 96ms
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
round-robin 96
least-conn 88
random 112
Histogram — latency distribution
FIG · 06
latency distribution
Live simulator — random walk
FIG · 07
request latency · live
Knobs panel — playground
PLAYGROUND
load-balancer params
Protocol diagrams — RFC bit-fields
The packet diagrams in network RFCs (the +-+-+-+- ASCII art kind) tell you exactly which bits go where. Here they are rendered. Click a chip to switch protocols; hover a field for the detail.
FIG · 09
—
hover a field for the spec note