site: give the lobby one designated entrance; make the directory an ordered path

[datumwise]

Huayin's first-read ruling.

The designated entrance

A single quiet block immediately after the pip install line, before "What Columna is": the label start here, the blast-wall position's own title as the link, and the ratified one-liner beneath. Hairline rule above and below, no card, no fill, no accent — the lobby points, it does not argue.

Verified on screen at desktop and mobile: the hero → start-here → description sequence holds on both, and on mobile the block sits between the install line and the hero without disturbing the stack.

§5 is now an ordered path

Same six items, sequenced as the ladder, headed by the ratified line "In the order a reader usually wants them." The position is first and carries the same start here mark as the entrance block, so the two agree. Rendered as a numbered ladder with hairline separators and no cards.

This fixes /the-argument's reachability structurally rather than by promotion — it sits late on the path, reached by readers already convinced, which is who it was written for.

Nav unchanged

8 labels, 0 "The Argument" entries (verified in the built markup). The route instead gains plain links in existing lists — /learn's "Around the corpus" and /thesis's existing engage line — with no new copy beyond the link text "the argument". Both verified present in the built HTML.

⚠️ One discrepancy in the instruction — flagging, not resolving

The ruling says the argument "becomes rung four", but the explicit sequence given — position · run the demo · read the case · learn the framework · read the argument · positions and research — puts it fifth.

Both are true under one reading: if the position is the entrance rather than a rung, then the four rungs after it make the argument rung four. My implementation follows the explicit list, numbering all six, so the argument shows as 5.

Two ways to make the numbers match the phrase, your call:

• (a) keep as built — six numbered items, argument at 5 (the position is rung 1);
• (b) leave the entrance unnumbered (it already carries "start here") and number the remaining five 1–5, making the argument 4 exactly as the ruling says.

I lean (b) — it makes the entrance visibly different from the ladder it opens, which is the distinction the ruling is drawing, and it makes the prose and the page agree. But the explicit list is what I built to.

Gates

Build green (29 pages) · prose-coherence green · brace-balance verified on the edited stylesheet · screenshots desktop + mobile.

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