activite: fix publishDate

content/activite/2025-06-08-blah-blah.md

@@ -1,7 +1,7 @@
 ---
 title: blah blah
 expiryDate: 2025-07-16
-publishDate: "{{now}}"
+publishDate: 2025-06-08
 type: autre
 ---
 Super truc

static/admin/config.yml

@@ -18,14 +18,14 @@ collections:
     widget: "string"
     folder: "content/activite"
     preview_path: "activite/{{slug}}"
-    slug: "{{year}}-{{month}}-{{day}}-{{slug}}"
+    slug: "{{fields.expiryDate}}-{{slug}}"
     summary: "{{expiryDate}} {{title}} ({{type}})"
     sortable_fields: ["expiryDate", "type", "title"]
     create: true
     fields:
       - { label: "Titre", name: "title", widget: "string" }
       - { label: "Date", name: "expiryDate", widget: "datetime", date_format: "YYYY-MM-DD" }
-      - { label: "Date publication", name: "publishDate", widget: "hidden", default: "{{now}}" }
+      - { label: "Date publication", name: "publishDate", widget: "datetime", default: "{{now}}" }
       - { label: "Type", name: "type", widget: "select", default: "autre", options: [ski, camp, AG, autre] }
       - { label: "Contenu", name: "body", widget: "markdown", modes: [rich_text] }
 
@@ -38,7 +38,7 @@ collections:
     create: true
     fields:
       - { label: "Titre", name: "title", widget: "string" }
-      - { label: "Date", name: "date", widget: "datetime", date_format: "YYYY-MM-DD" }
+      - { label: "Date", name: "date", widget: "datetime", date_format: "YYYY-MM-DD", default: "{{now}}" }
       - { label: "Date expiration", name: "expiryDate", widget: "datetime", date_format: "YYYY-MM-DD", required: false }
       - { label: "Contenu", name: "body", widget: "markdown", modes: [rich_text] }