fix: allow retry of failed Facebook posts and fix token type

- Add 'failed' to allowed statuses in publish_post() and update_post()
- Show "Spróbuj ponownie" button for failed posts in form template
- Root cause: select-page endpoint stored USER token instead of PAGE token

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

services/social_publisher_service.py

@@ -303,7 +303,7 @@ class SocialPublisherService:
             post = db.query(SocialPost).filter(SocialPost.id == post_id).first()
             if not post:
                 return None
-            if post.status in ('published', 'failed'):
+            if post.status == 'published':
                 logger.warning(f"Cannot edit post #{post_id} with status={post.status}")
                 return None
 
@@ -425,9 +425,9 @@ class SocialPublisherService:
             post = db.query(SocialPost).filter(SocialPost.id == post_id).first()
             if not post:
                 return False, "Post nie znaleziony"
-            allowed = ('draft', 'approved', 'scheduled')
+            allowed = ('draft', 'approved', 'scheduled', 'failed')
             if force_live:
-                allowed = ('draft', 'approved', 'scheduled', 'published')
+                allowed = ('draft', 'approved', 'scheduled', 'published', 'failed')
             if post.status not in allowed:
                 return False, f"Nie można opublikować posta ze statusem: {post.status}"
 

templates/admin/social_publisher_form.html

@@ -640,8 +640,8 @@
                     {% if post.status == 'draft' %}
                     <button type="submit" name="action" value="approve" class="btn btn-info" style="background: #0ea5e9; color: white; border: none;">Zatwierdz</button>
                     {% endif %}
-                    {% if post.status in ['draft', 'approved'] %}
-                    <button type="submit" name="action" value="publish" class="btn btn-success">Publikuj teraz{% if is_debug %} (debug){% endif %}</button>
+                    {% if post.status in ['draft', 'approved', 'failed'] %}
+                    <button type="submit" name="action" value="publish" class="btn btn-success">{% if post.status == 'failed' %}Spróbuj ponownie{% else %}Publikuj teraz{% endif %}{% if is_debug %} (debug){% endif %}</button>
                     {% if is_debug %}
                     <button type="button" class="btn btn-danger"
                             onclick="showConfirm({icon: '🌐', title: 'Publikacja na żywo', message: 'Post zostanie opublikowany publicznie i będzie widoczny dla wszystkich użytkowników Facebooka.', okText: 'Publikuj na żywo', okClass: 'btn btn-danger', submitAction: 'publish_live'});">