history: clear unchecked queue, add Iraq 1933 cultivation-ban article

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+# Research pass: unchecked queue cleared, Iraq 1933 article
+
+Research checked on 26 October 2026. Two chunks: (1) the seven remaining
+unchecked entries were re-read against their sources and marked
+`checked: true`, with the Baltic 1940 entries gaining two stronger sources;
+(2) the top article-backlog item (Iraq 1933, importance 8, first ban,
+population 47M) gained a new properly sourced article plus two verified
+entry sources. No scores, profiles or timelines changed.
+
+## Unchecked queue is now zero (3175 checked, 0 unchecked)
+
+- Afghanistan 1973: AAN Myth of Afghan Black plus FRUS volume E-7 document
+  350; Zahir Shah outlaws cultivation with US funding, against FRUS 1971
+  concern. Marked checked; wording (possession 1, cultivation 1) unchanged.
+- Estonia/Latvia/Lithuania 1940: kept as annexation anchors with cautious
+  wording (Soviet decree's local application date unconfirmed). Gained the
+  Istmat 27 October 1934 decree (Articles 1, 5-7) and the Baltic occupation
+  overview as second and third sources. Marked checked.
+- League 1935: kept as decade summary; Mills shows a six-year sub-committee
+  with no 1935 decision. Marked checked.
+- Morocco 1890: kept as conventional/mythical date per Chouvy (no written
+  evidence for the attributed Rif privileges). Marked checked.
+- Egypt 1884: kept unresolved; IHDC March 1879 account contradicts the
+  conventional 1884 cultivation date, which instead matches an 1884 measure
+  on export sale of confiscated hashish. Marked checked.
+
+None of the seven supports a firmer date or a score move on the sources
+read; the Baltic entries are the only ones whose sourcing materially
+improved.
+
+## Iraq 1933: new article, two verified entry sources
+
+New `articles/iraq-hemp-cultivation-law-1933.md` (365 words, per-sentence
+citations, all three sources cited, all marks resolve; history:test 40/40,
+answers:test 27/27, build 4270 pages).
+
+Sources actually read this pass:
+
+- Al-Mansour Journal, A.H. Al Timimi, "Iraqi Criminal Policy To Combat The
+  illegal Use of Narcotic Drugs and Psychotropic Substances", Vol. 20 No. 1
+  (2013), abstract: the first law released in Iraq is "the law preventing
+  cultivation hemp hashish Indian opium poppy No. (12) 1933", followed by
+  the Dangerous Drugs Act (44) 1938; both replaced by Drug Law 68 of 1965.
+  Entry URL fixed to the working `index.php/journal/en/article/view/238`
+  form (the old `/journal/en/...` path redirects to the journal homepage).
+- UN Digital Library E/NL.1969/48-50 (22 July 1970): the Iraqi government's
+  own English text of Narcotic Drugs Law 68 of 1965. Article 15 repeals "Law
+  prohibiting the cultivation of Indian Hemp plant and Opium poppy No. 12 of
+  1933" alongside Law 44 of 1938; Article 16 gives effect on gazette
+  publication; signed at Baghdad 8 April 1965. Added to the entry as a
+  third source. Verified via `pdftotext` extraction, not the search snippet.
+- Iraqi Legislation Database page for Law 12 of 1933 (Gazette 1248, 8 May
+  1933) still returns HTTP 403 to direct fetch; penalty/uprooting/reporting
+  details in the article rest on the previously read checked entry citing
+  that page (Articles 1, 3-5; signed 1 May, effective on publication).
+
+## Still open (not touched)
+
+- 60 estimated first bans remain; biggest-population candidates (ET, VE, CU,
+  BO, CM) need primary sources not yet found. Small-territory ranges (BM,
+  KY, GI, MO, etc.) are conventional 1925-1961 windows.
+- India chain warning (`india-ndps-act-1985` starts below unregulated).
+- `source-archive.json` working-tree modification predates this pass; left
+  uncommitted.