summaryLenght is broken for me, use truncate for uniform summaries

config.yaml

@@ -8,7 +8,6 @@ languageCode: fr-fr
 languageName: Français
 watch: true
 paginate: 5
-summaryLength: 50
 
 permalinks:
   # All pages under posts section will have this link structure

themes/chosto/layouts/_default/summary.html

@@ -32,10 +32,17 @@
       </a>
     </div>
     <hr style="margin: 1rem 0;">
-    {{ .Summary }}
+    {{ .Content | plainify | safeHTML | truncate 300 "..." }}
   </div>
-  <footer class="card-footer">
-    <div class="is-size-7 has-text-centered card-footer-item">
+  <footer class="card-footer has-text-centered">
+      {{ with .Params.categories }}
+      <div class="card-footer-item is-centered is-rounded">
+        {{ range . }}
+        <span class="tag mx-1"><a href="{{ "categories" | absURL }}/{{ . | urlize }}">{{ . }}</a></span>
+        {{ end }}
+      </div>
+      {{ end }}
+      <div class="card-footer-item is-size-7">
         <time datetime="{{ .Date.Format `2006-01-02T15:04:05Z07:00` | safeHTML }}">
           {{ .Date.Day }} {{ index $.Site.Data.months_fr (printf "%d" .Date.Month) }} {{ .Date.Year }}
         </time>&nbsp;—&nbsp;{{ .FuzzyWordCount }} mots

themes/chosto/layouts/partials/header.html

@@ -13,7 +13,7 @@
       </div>
       {{ end }}
       <!-- Words and date stuff makes sens only for blog posts, not other pages -->
-      {{ if (and .IsPage (eq .FirstSection "posts"))}}
+      {{ if (and .IsPage (eq .FirstSection.Section "posts"))}}
       <aside>
         <div>
           <section>