refactor(frontmatter): rename hide_date → show_date for consistent positive booleans

All other display toggles use positive naming (show_*, toc, share, etc.).
Flipping to show_date (default: true) aligns the API and reduces cognitive load.

BREAKING CHANGE

modules/blox/layouts/events/page.html

@@ -59,7 +59,7 @@
       {{ $display_date := .Params.event_start | default .Date }}
       <div class="mt-4 mb-16">
       <div class="text-gray-500 dark:text-gray-300 text-sm flex items-center flex-wrap gap-y-2">
-        {{- if $display_date | and (not .Params.hide_date) -}}
+        {{- if $display_date | and (.Params.show_date | default true) -}}
         <span class="mr-1">{{- (time $display_date) | time.Format (site.Params.hugoblox.locale.date_format | default ":date_long") -}}</span>
         {{- if .Params.authors }}<span class="mx-1">·</span>{{ end -}}
         {{- end -}}

modules/blox/layouts/single.html

@@ -68,7 +68,7 @@
       {{ $display_date := .Params.event_start | default .Date }}
       <div class="mt-4 mb-16">
       <div class="text-gray-500 dark:text-gray-300 text-sm flex items-center flex-wrap gap-y-2">
-        {{- if $display_date | and (not .Params.hide_date) -}}
+        {{- if $display_date | and (.Params.show_date | default true) -}}
         <span class="mr-1">{{- (time $display_date) | time.Format (site.Params.hugoblox.locale.date_format | default ":date_long") -}}</span>
         {{- if .Params.authors }}<span class="mx-1">·</span>{{ end -}}
         {{- end -}}

templates/data-science-blog/config/_default/hugo.yaml

@@ -18,7 +18,7 @@ cascade:
       kind: page
     pager: true
     editable: true
-    hide_date: false
+    show_date: true
     show_date_updated: true
     reading_time: true
     commentable: true

templates/data-science-blog/content/uses.md

@@ -1,7 +1,7 @@
 ---
 title: Uses
 date: 2023-10-24
-hide_date: true
+show_date: false
 reading_time: false
 ---
 

templates/documentation/config/_default/hugo.yaml

@@ -27,7 +27,7 @@ cascade:
       kind: page
     pager: true
     editable: true
-    hide_date: false
+    show_date: true
     show_date_updated: true
     reading_time: true
     commentable: true

templates/startup-landing-page/config/_default/hugo.yaml

@@ -18,7 +18,7 @@ cascade:
       kind: page
     pager: true
     editable: true
-    hide_date: false
+    show_date: true
     show_date_updated: true
     reading_time: true
     commentable: true