Use "Page" labels instead of "Post" when editing pages

- Edit: placeholder "Page title..." vs "Post title..."
- Settings: slug placeholder, featured checkbox, custom template
  all say "page" when is_page is true

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

browser/templates/_types/post_edit/_main_panel.html

@@ -77,7 +77,7 @@
     type="text"
     name="title"
     value="{{ ghost_post.title if ghost_post else '' }}"
-    placeholder="Post title..."
+    placeholder="{{ 'Page title...' if post and post.is_page else 'Post title...' }}"
     class="w-full text-[36px] font-bold bg-transparent border-none outline-none
            placeholder:text-stone-300 mb-[8px] leading-tight"
   >

browser/templates/_types/post_settings/_main_panel.html

@@ -1,5 +1,6 @@
-{# ── Post Settings Form ── #}
+{# ── Post/Page Settings Form ── #}
 {% set gp = ghost_post or {} %}
+{% set _is_page = post.is_page if post else False %}
 
 {% macro field_label(text, field_for=None) %}
   <label {% if field_for %}for="{{ field_for }}"{% endif %}
@@ -68,7 +69,7 @@
     {% call section('General', open=True) %}
       <div>
         {{ field_label('Slug', 'settings-slug') }}
-        {{ text_input('slug', gp.slug or '', 'post-slug') }}
+        {{ text_input('slug', gp.slug or '', 'page-slug' if _is_page else 'post-slug') }}
       </div>
       <div>
         {{ field_label('Published at', 'settings-published_at') }}
@@ -83,7 +84,7 @@
         >
       </div>
       <div>
-        {{ checkbox_input('featured', gp.featured, 'Featured post') }}
+        {{ checkbox_input('featured', gp.featured, 'Featured page' if _is_page else 'Featured post') }}
       </div>
       <div>
         {{ field_label('Visibility', 'settings-visibility') }}
@@ -176,7 +177,7 @@
     {% call section('Advanced') %}
       <div>
         {{ field_label('Custom template', 'settings-custom_template') }}
-        {{ text_input('custom_template', gp.custom_template or '', 'custom-post.hbs') }}
+        {{ text_input('custom_template', gp.custom_template or '', 'custom-page.hbs' if _is_page else 'custom-post.hbs') }}
       </div>
     {% endcall %}