[geekplux]

Fixes the analytics and language problems found while checking that GA works on both sites.

Why

• GA cookies were shared with Worldlines. gtag stored _ga on .geekplux.org, so both sites shared one client id. Declining here deleted Worldlines' cookies.
• Chinese page views got the English title, and address changes added page views. The automatic page_view races app.js setting the title. Every ?lang / ?era / ?region change also logged a page view.
• Artwork dates were English in the Chinese view. 45 of the 120 work dates contain words ("c. 3100 BCE", "19th century", "consecrated 547"), and all of them showed in English.
• The address bar didn't match the language on screen. A saved Chinese preference showed Chinese at a plain /. Switching to English wrote ?lang=en, where Worldlines uses plain /.
• Chinese view had English left in it. Five static screen-reader labels and the "Star" link stayed in English.

What changed (one commit each)

1. Language in the address bar. A saved zh preference now rewrites / to /?lang=zh at start-up. Switching to English drops ?lang. An explicit ?lang=en link still wins over a saved preference and is never stripped.
2. Page views and events.
   • send_page_view: false. pageView() sends the page view after render, on load and after a language switch, without the hash.
   • New track() helper.
   • select_content for a language switch, and for an era or region filter being turned on.
3. Bilingual dates. All 120 y values are now { en, zh }. Also updated: check-data (validates both languages), seo.mjs (w.y.en; the static HTML is byte-identical), both render sites, and the README.
4. Screen-reader labels. data-i18n-aria on the 5 static labels.
5. zh star label and tooltip. 星标.
6. Host-only cookies. cookie_domain: "none". Docs updated.

⚠️ Owner steps

1. GA4 setting. Admin → Data streams → (Art-isms stream) → Enhanced measurement → ⚙ → Page views → Show advanced settings → untick "Page changes based on browser history events". Until it is off, every language or filter change logs an extra page view.
2. Review the Chinese dates below (all 120 are in the table). These are worth a second look:
   • "c. 1070s" → 约11世纪70年代. The only one where the digits differ.
   • "c. 36,000 years ago" → 约36000年前. The alternative is 约3.6万年前.
   • "consecrated 547" → 547年祝圣.
   • Discobolus → 约公元140年的复制品，原作为约公元前460–前450年的青铜像.

Expected side effects

• New users will jump once. This comes from the cookie change. Visitors who still have the old shared .geekplux.org cookie keep that id until it expires or they decline.
• Fewer page views. Filter clicks are no longer page views; they now send select_content.

Verification

• Static checks. check-data passes. stamp-assets and seo.mjs produce no change. node --check passes.
• Dates. A script confirmed all 120 English dates are unchanged from main. Every number in the English appears in the Chinese, apart from the 1070s case.
• Layout. Checked at 1440px and 390px, in both languages and after switching. No horizontal scroll and no console errors. The English view shows no Chinese. The viewer shows long Chinese dates (Discobolus, San Vitale) with no overlap, with the newly merged viewer-frame fix included.
• GA. Tested under the production hostname with the branch files, and every Google hit answered locally, so no data was sent.
  • One page view with the right title on / and on /?lang=zh.
  • Filter events fire only when a filter is turned on.
  • Cookies are host-only. Accept → gcs=G101. Decline removes them.
  • Declining here leaves Worldlines' cookies and client id intact.
• Not tested: Safari, Firefox, real screen readers.

Left for the owner (not in this PR)

• The raw HTML of /?lang=zh is English, and og tags are never localised. Same constraint as Worldlines: fixing it needs per-language HTML.
• Already on main, not changed here:
  • Filter lists are percent-encoded in the URL (era=avant%2Cpost).
  • A direct #style link hides its heading under the sticky filter bar.

All 120 artwork dates, English → Chinese

Generated for review. Numbers are unchanged; only the wording is translated.

#	Movement	Work	en	zh
1	Prehistoric Art	Chauvet Cave paintings	c. 36,000 years ago	约36000年前
2	Prehistoric Art	Venus of Willendorf	c. 28,000–25,000 BCE	约公元前28000–前25000年
3	Prehistoric Art	Lascaux cave paintings	c. 17,000 years ago	约17000年前
4	Ancient Egyptian Art	Narmer Palette	c. 3100 BCE	约公元前3100年
5	Ancient Egyptian Art	Bust of Nefertiti	c. 1345 BCE	约公元前1345年
6	Ancient Egyptian Art	Nebamun hunting in the marshes	c. 1350 BCE	约公元前1350年
7	Indigenous Arts: Three Traditions	Raven transformation mask	19th century	19世纪
8	Indigenous Arts: Three Traditions	Katsina figure	late 19th century	19世纪晚期
9	Indigenous Arts: Three Traditions	Warlugulong	1977	1977年
10	Greek & Roman Classical	Discobolus (Discus Thrower)	c. 140 CE copy of a c. 460–450 BCE bronze	约公元140年的复制品，原作为约公元前460–前450年的青铜像
11	Greek & Roman Classical	Parthenon frieze: horsemen	c. 443–437 BCE	约公元前443–前437年
12	Greek & Roman Classical	Augustus of Prima Porta	early 1st century CE	公元1世纪初
13	African Sculptural Traditions	Ife Head	14th–early 15th century	14世纪至15世纪初
14	African Sculptural Traditions	Benin plaque: warrior and attendants	c. 1540–1570	约1540–1570年
15	African Sculptural Traditions	Nkisi nkondi (power figure)	c. 1880–1900	约1880–1900年
16	Byzantine Art	Christ Pantocrator (Sinai)	6th century	6世纪
17	Byzantine Art	Basilica of San Vitale	consecrated 547	547年祝圣
18	Byzantine Art	Deësis mosaic, Hagia Sophia (detail: John the Baptist)	c. 1261	约1261年
19	Islamic Art	Folio from the Blue Qur’an	9th–10th century	9–10世纪
20	Islamic Art	Ardabil Carpet	1539–1540	1539–1540年
21	Islamic Art	Court of the Lions, Alhambra	14th century	14世纪
22	Chinese Landscape & Literati Painting	Travelers Among Mountains and Streams	c. 1000	约1000年
23	Chinese Landscape & Literati Painting	Six Gentlemen	1345	1345年
24	Chinese Landscape & Literati Painting	Lotus and Ducks	c. 1696	约1696年
25	Romanesque	Bayeux Tapestry	c. 1070s	约11世纪70年代
26	Romanesque	Last Judgment tympanum, Autun	c. 1130	约1130年
27	Romanesque	Central tympanum, Vézelay	c. 1120–1132	约1120–1132年
28	Gothic	Notre-Dame de la Belle Verrière (Blue Virgin window)	c. 1150–1220	约1150–1220年
29	Gothic	Visitation, Reims Cathedral	c. 1230	约1230年
30	Gothic	Wilton Diptych	c. 1395–1399	约1395–1399年
31	Italian Renaissance	The Birth of Venus	c. 1484–1486	约1484–1486年
32	Italian Renaissance	The Last Supper	1495–1498	1495–1498年
33	Italian Renaissance	The School of Athens	1509–1511	1509–1511年
34	Northern Renaissance	Arnolfini Portrait	1434	1434年
35	Northern Renaissance	The Garden of Earthly Delights	c. 1490–1500	约1490–1500年
36	Northern Renaissance	The Hunters in the Snow	1565	1565年
37	Indian Miniature Painting	Shuja’at Khan pursuing Asaf Khan on the Ganges, from the Akbarnama	c. 1590–1595	约1590–1595年
38	Indian Miniature Painting	Krishna and Radha in a Pavilion	1719	1719年
39	Indian Miniature Painting	Savant Singh and Bani Thani as Krishna and Radha in a Palace Garden	c. 1760	约1760年
40	Mannerism	Madonna with the Long Neck	1534–1540	1534–1540年
41	Mannerism	An Allegory with Venus and Cupid	c. 1545	约1545年
42	Mannerism	The Burial of the Count of Orgaz	1586–1588	1586–1588年
43	Baroque	The Calling of Saint Matthew	1599–1600	1599–1600年
44	Baroque	Ecstasy of Saint Teresa	1647–1652	1647–1652年
45	Baroque	Las Meninas	1656	1656年
46	Ukiyo-e	The Great Wave off Kanagawa	c. 1831	约1831年
47	Ukiyo-e	Sudden Shower over Shin-Ōhashi Bridge and Atake	1857	1857年
48	Ukiyo-e	Three Beauties of the Present Day	c. 1793	约1793年
49	Rococo	The Swing	c. 1767	约1767年
50	Rococo	Pilgrimage to Cythera	1717	1717年
51	Rococo	Madame de Pompadour	1759	1759年
52	Neoclassicism	Oath of the Horatii	1784	1784年
53	Neoclassicism	The Death of Marat	1793	1793年
54	Neoclassicism	Grande Odalisque	1814	1814年
55	Romanticism	Liberty Leading the People	1830	1830年
56	Romanticism	The Slave Ship	1840	1840年
57	Romanticism	Wanderer above the Sea of Fog	c. 1818	约1818年
58	Realism	The Stone Breakers	1849	1849年
59	Realism	The Gleaners	1857	1857年
60	Realism	The Third-Class Carriage	c. 1862–1864	约1862–1864年
61	Impressionism	Impression, Sunrise	1872	1872年
62	Impressionism	Bal du moulin de la Galette	1876	1876年
63	Impressionism	The Ballet Class	1873–1876	1873–1876年
64	Post-Impressionism	The Starry Night	1889	1889年
65	Post-Impressionism	Mont Sainte-Victoire and Château Noir	c. 1904–1906	约1904–1906年
66	Post-Impressionism	Vision of the Sermon (Jacob Wrestling with the Angel)	1888	1888年
67	Art Nouveau	JOB cigarette paper poster	1896	1896年
68	Art Nouveau	The Kiss	c. 1907–1909	约1907–1909年
69	Art Nouveau	Paris Métro entrance	c. 1900	约1900年
70	Fauvism	Woman with a Hat	1905	1905年
71	Fauvism	Charing Cross Bridge	1906	1906年
72	Fauvism	Le Bonheur de vivre (The Joy of Life)	1905–1906	1905–1906年
73	Expressionism	The Scream	1893	1893年
74	Expressionism	Street, Berlin	1913	1913年
75	Expressionism	Self-Portrait with Physalis	1912	1912年
76	Cubism	Still Life before an Open Window, Place Ravignan	1915	1915年
77	Cubism	Les Baigneuses (The Bathers)	1912	1912年
78	Cubism	En Canot (In the Boat)	1913	1913年
79	Futurism	Unique Forms of Continuity in Space	1913	1913年
80	Futurism	Dynamism of a Dog on a Leash	1912	1912年
81	Futurism	Dynamism of a Car	1912–1913	1912–1913年
82	Suprematism & Constructivism	Black Square	1915	1915年
83	Suprematism & Constructivism	Monument to the Third International (Tatlin’s Tower)	1919–1920	1919–1920年
84	Suprematism & Constructivism	Beat the Whites with the Red Wedge	1919–1920	1919–1920年
85	Dada	Fountain	1917	1917年
86	Dada	Cut with the Kitchen Knife	1919–1920	1919–1920年
87	Dada	L’Œil cacodylate (The Cacodylic Eye)	1921	1921年
88	De Stijl / Neoplasticism	Composition with Red, Blue and Yellow	1930	1930年
89	De Stijl / Neoplasticism	Red and Blue Chair	1918–1923	1918–1923年
90	De Stijl / Neoplasticism	Counter-Composition XIII	1925–1926	1925–1926年
91	Bauhaus	Bauhaus Building, Dessau	1925–1926	1925–1926年
92	Bauhaus	Wassily Chair (Model B3)	1925–1926	1925–1926年
93	Bauhaus	Triadic Ballet	1922	1922年
94	Art Deco	Chrysler Building	1928–1930	1928–1930年
95	Art Deco	Christ the Redeemer	1922–1931	1922–1931年
96	Art Deco	Self-Portrait in the Green Bugatti	1929	1929年
97	Latin American Modernisms	The Two Fridas	1939	1939年
98	Latin American Modernisms	Detroit Industry Murals	1932–1933	1932–1933年
99	Latin American Modernisms	Abaporu	1928	1928年
100	Surrealism	The Treachery of Images	1929	1929年
101	Surrealism	The Persistence of Memory	1931	1931年
102	Surrealism	The Storm (Black Landscape)	1926	1926年
103	Abstract Expressionism	Autumn Rhythm (Number 30)	1950	1950年
104	Abstract Expressionism	No. 61 (Rust and Blue)	1953	1953年
105	Abstract Expressionism	The Liver Is the Cock’s Comb	1944	1944年
106	Pop Art	Marilyn Diptych	1962	1962年
107	Pop Art	El Cap de Barcelona (Barcelona Head)	1992	1992年
108	Pop Art	Just what is it that makes today’s homes so different, so appealing?	1956	1956年
109	Minimalism	Untitled (Stack)	1980 (stacks from 1965)	1980年（堆叠系列始于1965年）
110	Minimalism	Equivalent VIII	1966	1966年
111	Minimalism	“monument” for V. Tatlin	1964–1990 (this version 1969–1970)	1964–1990年（此版本1969–1970年）
112	Conceptual Art	One and Three Chairs	1965	1965年
113	Conceptual Art	Grapefruit	1964	1964年
114	Conceptual Art	Today series (date paintings)	from 1966	1966年起
115	Postmodernism	Untitled Film Stills	1977–1980	1977–1980年
116	Postmodernism	Puppy	1992	1992年
117	Postmodernism	Untitled (Cowboy)	1989	1989年
118	Contemporary Art	Infinity Mirror Rooms	1965–present	1965年至今
119	Contemporary Art	Maman	1999 (this cast 2001)	1999年（此件铸于2001年）
120	Contemporary Art	A Subtlety, or the Marvelous Sugar Baby	2014	2014年

🤖 Generated with Claude Code

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