Preserve gallery order at Jekyll date precision

_art/2026-09-19-photo-260cc99527c13f256d4ea39d0959f5daa942c888ea882852e73fd94f6c30b7db-00.md

@@ -1,7 +1,7 @@
 ---
 layout: post
 title: "photo-260cc99527c13f256d4ea39d0959f5daa942c888ea882852e73fd94f6c30b7db"
-date: "2026-09-19T12:29:32.999986+00:00"
+date: "2026-09-19T12:29:19+00:00"
 categories: art
 ---
 

_art/2026-09-19-photo-474ab3283ce8801ac6e59b67b65b4169167053873a5a8db4a15b840a3448266c-00.md

@@ -1,7 +1,7 @@
 ---
 layout: post
 title: "photo-474ab3283ce8801ac6e59b67b65b4169167053873a5a8db4a15b840a3448266c"
-date: "2026-09-19T12:29:32.999994+00:00"
+date: "2026-09-19T12:29:27+00:00"
 categories: art
 ---
 

_art/2026-09-19-photo-7c832afa1b73023d8f2391ff40c221be9ffd468a1a96a6bf4900cbf95595d31d-00.md

@@ -1,7 +1,7 @@
 ---
 layout: post
 title: "photo-7c832afa1b73023d8f2391ff40c221be9ffd468a1a96a6bf4900cbf95595d31d-00"
-date: "2026-09-19T12:29:32.999993+00:00"
+date: "2026-09-19T12:29:26+00:00"
 categories: art
 anchor: "Romania"
 ---

_art/2026-09-19-photo-7c832afa1b73023d8f2391ff40c221be9ffd468a1a96a6bf4900cbf95595d31d-01.md

@@ -1,7 +1,7 @@
 ---
 layout: post
 title: "photo-7c832afa1b73023d8f2391ff40c221be9ffd468a1a96a6bf4900cbf95595d31d-01"
-date: "2026-09-19T12:29:32.999992+00:00"
+date: "2026-09-19T12:29:25+00:00"
 categories: art
 ---
 

_art/2026-09-19-photo-7c832afa1b73023d8f2391ff40c221be9ffd468a1a96a6bf4900cbf95595d31d-02.md

@@ -1,7 +1,7 @@
 ---
 layout: post
 title: "photo-7c832afa1b73023d8f2391ff40c221be9ffd468a1a96a6bf4900cbf95595d31d-02"
-date: "2026-09-19T12:29:32.999984+00:00"
+date: "2026-09-19T12:29:17+00:00"
 categories: art
 ---
 

_art/2026-09-19-photo-7c832afa1b73023d8f2391ff40c221be9ffd468a1a96a6bf4900cbf95595d31d-03.md

@@ -1,7 +1,7 @@
 ---
 layout: post
 title: "photo-7c832afa1b73023d8f2391ff40c221be9ffd468a1a96a6bf4900cbf95595d31d-03"
-date: "2026-09-19T12:29:32.999983+00:00"
+date: "2026-09-19T12:29:16+00:00"
 categories: art
 ---
 

_art/2026-09-19-photo-7c832afa1b73023d8f2391ff40c221be9ffd468a1a96a6bf4900cbf95595d31d-04.md

@@ -1,7 +1,7 @@
 ---
 layout: post
 title: "photo-7c832afa1b73023d8f2391ff40c221be9ffd468a1a96a6bf4900cbf95595d31d-04"
-date: "2026-09-19T12:29:32.999995+00:00"
+date: "2026-09-19T12:29:28+00:00"
 categories: art
 ---
 

_art/2026-09-19-photo-7c832afa1b73023d8f2391ff40c221be9ffd468a1a96a6bf4900cbf95595d31d-05.md

@@ -1,7 +1,7 @@
 ---
 layout: post
 title: "photo-7c832afa1b73023d8f2391ff40c221be9ffd468a1a96a6bf4900cbf95595d31d-05"
-date: "2026-09-19T12:29:32.999996+00:00"
+date: "2026-09-19T12:29:29+00:00"
 categories: art
 ---
 

_art/2026-09-19-photo-7c832afa1b73023d8f2391ff40c221be9ffd468a1a96a6bf4900cbf95595d31d-06.md

@@ -1,7 +1,7 @@
 ---
 layout: post
 title: "photo-7c832afa1b73023d8f2391ff40c221be9ffd468a1a96a6bf4900cbf95595d31d-06"
-date: "2026-09-19T12:29:32.999997+00:00"
+date: "2026-09-19T12:29:30+00:00"
 categories: art
 ---
 

_art/2026-09-19-photo-7c832afa1b73023d8f2391ff40c221be9ffd468a1a96a6bf4900cbf95595d31d-07.md

@@ -1,7 +1,7 @@
 ---
 layout: post
 title: "photo-7c832afa1b73023d8f2391ff40c221be9ffd468a1a96a6bf4900cbf95595d31d-07"
-date: "2026-09-19T12:29:32.999998+00:00"
+date: "2026-09-19T12:29:31+00:00"
 categories: art
 ---
 

_art/2026-09-19-photo-7c832afa1b73023d8f2391ff40c221be9ffd468a1a96a6bf4900cbf95595d31d-08.md

@@ -1,7 +1,7 @@
 ---
 layout: post
 title: "photo-7c832afa1b73023d8f2391ff40c221be9ffd468a1a96a6bf4900cbf95595d31d-08"
-date: "2026-09-19T12:29:32.999999+00:00"
+date: "2026-09-19T12:29:32+00:00"
 categories: art
 ---
 

_art/2026-09-19-photo-b18a2f1c7127077c801160782012cb164759f0b9dd41762205b45e4c9a07d673-00.md

@@ -1,7 +1,7 @@
 ---
 layout: post
 title: "photo-b18a2f1c7127077c801160782012cb164759f0b9dd41762205b45e4c9a07d673"
-date: "2026-09-19T12:29:32.999985+00:00"
+date: "2026-09-19T12:29:18+00:00"
 categories: art
 ---
 

_art/2026-09-19-photo-c53f20236f166632bff163339c8e789cc09b0d7e63c5b531b1fc20705460975b-00.md

@@ -1,7 +1,7 @@
 ---
 layout: post
 title: "photo-c53f20236f166632bff163339c8e789cc09b0d7e63c5b531b1fc20705460975b"
-date: "2026-09-19T12:29:32.999991+00:00"
+date: "2026-09-19T12:29:24+00:00"
 categories: art
 ---
 

_art/2026-09-19-photo-c53f20236f166632bff163339c8e789cc09b0d7e63c5b531b1fc20705460975b-01.md

@@ -1,7 +1,7 @@
 ---
 layout: post
 title: "photo-c53f20236f166632bff163339c8e789cc09b0d7e63c5b531b1fc20705460975b-01"
-date: "2026-09-19T12:29:32.999990+00:00"
+date: "2026-09-19T12:29:23+00:00"
 categories: art
 ---
 

_art/2026-09-19-photo-c53f20236f166632bff163339c8e789cc09b0d7e63c5b531b1fc20705460975b-02.md

@@ -1,7 +1,7 @@
 ---
 layout: post
 title: "photo-c53f20236f166632bff163339c8e789cc09b0d7e63c5b531b1fc20705460975b-02"
-date: "2026-09-19T12:29:32.999989+00:00"
+date: "2026-09-19T12:29:22+00:00"
 categories: art
 ---
 

_art/2026-09-19-photo-c53f20236f166632bff163339c8e789cc09b0d7e63c5b531b1fc20705460975b-03.md

@@ -1,7 +1,7 @@
 ---
 layout: post
 title: "photo-c53f20236f166632bff163339c8e789cc09b0d7e63c5b531b1fc20705460975b-03"
-date: "2026-09-19T12:29:32.999988+00:00"
+date: "2026-09-19T12:29:21+00:00"
 categories: art
 ---
 

_art/2026-09-19-photo-c53f20236f166632bff163339c8e789cc09b0d7e63c5b531b1fc20705460975b-04.md

@@ -1,7 +1,7 @@
 ---
 layout: post
 title: "photo-c53f20236f166632bff163339c8e789cc09b0d7e63c5b531b1fc20705460975b-04"
-date: "2026-09-19T12:29:32.999987+00:00"
+date: "2026-09-19T12:29:20+00:00"
 categories: art
 ---
 

photo-upload/app.py

@@ -82,7 +82,9 @@ def web_image(raw, destination):
 def photo_entry(job, date, index, count, caption, highlight):
     # Give each photo its own collection document. Descending dates preserve the
     # selection order because the gallery renders the newest document first.
-    item_date = datetime.fromisoformat(date) + timedelta(microseconds=count - index)
+    # Jekyll's collection ordering only preserves whole seconds. Give each item
+    # a distinct second so filenames cannot disturb the selected photo order.
+    item_date = datetime.fromisoformat(date) + timedelta(seconds=count - index)
     title = f"photo-{job}" if index == 0 else f"photo-{job}-{index:02}"
     content = ["---", "layout: post", f'title: "{title}"',
                f'date: "{item_date.isoformat()}"', "categories: art"]

scripts/organize-photo-highlights.py

@@ -42,7 +42,7 @@ for position, (job, index) in enumerate(ordered):
     title = f"photo-{job}-{index:02}"
     if (job, index) == first_for_job[job]:
         title = f"photo-{job}"
-    date = start - timedelta(microseconds=position)
+    date = start - timedelta(seconds=position)
     lines = ["---", "layout: post", f'title: "{title}"',
              f'date: "{date.isoformat()}"', "categories: art"]
     if (job, index) in anchors: