update: his204 — harmonize structure and writing style

[PBN-bot]

Summary

Full harmonization of HIS 204 — The Origins of Laissez-Faire Economics (Benoît Malbranque, Institut Coppet). This course traces the French origins of laissez-faire economic thought from Vauban and Boisguilbert through the Physiocrats to Turgot and Condorcet.

230 files changed across 7 commits over 4 sessions.

Content (en.md)

• Introduction rewritten with 4 required subsections: Welcome (teacher attribution + context), What you will learn (6 bullet points), Curriculum (part-by-part summary), About the course author (bio + links)
• 63 ### subsections added across 21 content chapters (3 per chapter, 72 total) — the course previously had zero structural subsections outside the introduction
• 8 content fixes: 2 factual corrections, 1 malformed link, 1 truncated objective, 3 typos, 1 tense error
• 95 image alt texts replaced — generic captions replaced with descriptive text from PPTX source
• Cross-references added: 9 links to BEC book resources (Wealth of Nations, Turgot oeuvres, Condillac, Bastiat, Molinari, Gournay), professor profile link
• Writing style: harmonized to Damien Theillier Mode A. 0 em dashes, 0 placeholders, 0 TODOs
• Call-to-action present, all partIds and chapterIds preserved

Images (assets/en/)

• 95 images rebuilt from PPTX source blobs — clean originals extracted, no baked text overlays
• 34 undersized images upscaled (LANCZOS) to meet minimum 250px wide / 200px tall, then sharpened (UnsharpMask) for crisper rendering
• Single images max 450px, composites max 540px, all WebP, all under 45KB
• Deleted: HIS204_images_en.pptx (12MB) and 95 HIS204_images_en_slide_*.webp extraction artifacts — these were intermediate files from the image rebuild pipeline, not referenced in en.md
• 2 thin landscape strips (051, 064) remain at 540px wide with short height — need higher-res source replacement in a future pass

Quizzes

• 12 fixes across 100 quizzes (5 per chapter):
  • 2 wrong answers corrected (Q042 Cantillon, Q029 beehive)
  • 4 ambiguous questions rewritten (Q064, Q045, Q093, Q070)
  • 6 minor corrections (Q019, Q072, Q098, Q014, Q055, Q037)
• Distribution: 27% easy / 33% intermediate / 40% hard

Metadata (course.yml)

• License: CC-BY-SA-V4
• Tags, professor UUID, teaching format all verified
• Professor profile, bio, and photo present in BEC

Yumi Mirror reorganization

The Yumi mirror folder (D:\Yumi-mirror\02_Products\PRD-001_online-courses\PRD-001.31_his-204-the-origins-of-laissez-faire-economics\) was organized during harmonization:

• video/transcripts/ — 21 Whisper transcripts (French audio lectures, his204_2.1 through his204_5.7)
• Original (FR)/Image/ — 138 original JPG source images
• Original (FR)/ — 2 source PPTXs (FR legend + image-only)
• knowledge.md rewritten from 21 transcripts + en.md — 16 new thinkers, 7 teacher themes, 12 new books added (225 lines, up from 104)

Translations

26 stale translation files deleted. Azure will regenerate them after merge.

Pre-PR verification

All checks pass:

• Introduction with Welcome, What you will learn, Curriculum, About the author
• Call-to-action present ("Let's go!")
• 0 em dashes, 0 placeholders
• All 95 image refs resolve, sequential numbering (001–095)
• All images use assets/en/
• 6 partIds, 26 chapterIds — all preserved
• Final section: isCourseReview + isCourseExam + isCourseConclusion
• 72 ### subsections (3 per content chapter)

Heavy modification in EN — translation restart needed.

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