Improve narrative flow, clarify demonstratives, and fix model setup gaps #122

	# Thin caller of Morrison-Lab/gha's reusable AI-tell scanner.
	#
	# Most prose PRs here are AI-authored, so a density check on what a PR adds is
	# a useful second pair of eyes on top of review.
	#
	# Warn-only on purpose. The tell list includes `robust`, which is a
	# domain-legitimate term in this book ("cluster-robust standard errors"), and
	# density is measured per 1,000 words -- so one such word in a short prose
	# diff clears a threshold of 10 on arithmetic alone. There is no per-tell
	# ignore input yet (Morrison-Lab/gha#619); flip `fail` to true once there is,
	# or once the observed noise profile says it is safe.
	#
	# Measured on `main` 2026-08-24: 92 tells across 215,112 prose words
	# (density 0.4), and 0 tells on each of two recent prose-PR diffs.
	name: Check AI Tells

	on:
	pull_request:
	paths:
	- '**.md'
	- '**.qmd'
	- '**.Rmd'
	workflow_dispatch:

	jobs:
	check-ai-tells:
	# The repo default is write, so declare the read-only scope this
	# reusable workflow's own job asks for rather than inheriting it.
	permissions:
	contents: read
	uses: Morrison-Lab/gha/.github/workflows/check-ai-tells.yml@v2
	with:
	# Scan only the lines this PR adds, rather than the whole corpus. The
	# upstream default is a whole-repo scan; the reusable workflow does not
	# wire this itself, unlike its check-new-line-breaks sibling.
	base-ref: ${{ github.event.pull_request.base.sha }}
	paths-ignore: '_extensions/,latex-macros/'
	fail: false

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