spb/wp2_uqo

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

v1.1 → v1.2 : analyse de la langue des annonces (40 % anglais, η² = 0,86 sur la
similarité moyenne), effets fixes RTA/municipalité + erreurs groupées, terrain en m²,
sous-échantillon superficie, tests par domaine, validation croisée aléatoire et
spatiale, sensibilité au libellé des références, encodeur multilingue ; sections
réécrites, nouvelle section 7, 8 références vérifiées ajoutées (86 → 94),
docs/REVIEW-REPORT.md + docs/CHANGELOG-REVISION.md, README et data/README mis à jour.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

- Audit found 8 fabricated citations in the original bib (Demers-Eisfeldt,
  Goodwin 2020, Huang-Ni, Lam et al., Li et al. 2023, Ozdogan, Hong 'LDA',
  Bayer 2016) — replaced with OpenAlex-verified real papers; 4 more corrected
  (Nowak-Smith venue, Shen->Shen-Ross JUE 2021, Gibbons 2015, Cheshire-Sheppard).
- 28 new verified references with DOI: text-as-data (Gentzkow-Kelly-Taddy,
  Ash-Hansen), hedonic identification (Ekeland-Heckman-Nesheim, Bajari-Benkard,
  Kuminoff et al.), quantile hedonics (Zietz et al., McMillen), listing language
  (Pryce-Oates, Haag et al., Grossman), spatial/Quebec (Anselin, Dubin, Can,
  Des Rosiers et al., Dube-Legros), vision (Glaeser et al.), interpretable ML
  (Rudin, SHAP, LIME), NLP (MTEB, zero-shot anchoring).
- Restructured literature review (new Text-as-Data section, two-sided gap),
  deepened intro, cited methodology choices, new 'Relation to Prior Findings'
  discussion subsection, softened unverifiable claims.
- Results, tables, figures, data untouched. PAPER_REVIEW.md + UPGRADE_REPORT.md.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Restructured from immo-wp2-spb-20260519: modular src/ package, numbered
reproduction pipeline (01-06), machine-generated LaTeX tables, regenerated
figures (incl. previously missing fig2/fig3), corrected paper statistics
(see CHANGES.md), 47-page PDF compiling clean.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>