content(theme): rename nav/heading/CTA 'Past Trips' to 'Trips'

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

themes/intotheeast/templates/home.html.twig

@@ -206,7 +206,7 @@
         {% endif %}
 
         <div class="home-highlights-cta-wrap">
-            <a class="home-highlights-cta" href="/trips">Explore all past trips →</a>
+            <a class="home-highlights-cta" href="/trips">Explore all trips →</a>
         </div>
     </div>
 </div>

themes/intotheeast/templates/partials/base.html.twig

@@ -26,7 +26,7 @@
         </button>
         <nav class="site-nav" id="site-nav" aria-label="Main navigation">
             <a href="{{ base_url_absolute }}"{% if page.template == 'home' %} aria-current="page"{% endif %}>Home</a>
-            <a href="{{ base_url_absolute }}/trips"{% if page.template == 'trips' %} aria-current="page"{% endif %}>Past Trips</a>
+            <a href="{{ base_url_absolute }}/trips"{% if page.template == 'trips' %} aria-current="page"{% endif %}>Trips</a>
             {% if grav.user.authenticated %}
             <a href="{{ base_url_absolute }}/post"{% if page.template == 'post-form' %} aria-current="page"{% endif %}>New Post</a>
             <a href="{{ base_url_absolute }}/gpx-manager"{% if page.template == 'gpx-manager' %} aria-current="page"{% endif %}>GPX Manager</a>

themes/intotheeast/templates/trips.html.twig

@@ -2,7 +2,7 @@
 
 {% block content %}
 {% import 'macros/cover.html.twig' as cover %}
-<h1 class="trips-heading">Past Trips</h1>
+<h1 class="trips-heading">Trips</h1>
 {# Owner gate (R1): broader than trip.html.twig's owner_can_edit — publishing
    works on ANY trip, not just the active one, so it's just owner identity. #}
 {% set is_owner = grav.user.authenticated