fix(posts): allow deleting Failed posts + misc terminal-state polish

- Add separate canDelete predicate in Index.vue that includes Failed —
  the previous EDITABLE_STATUSES gating hid the delete button for
  failed posts even though the backend allows deleting them.
- Edit.vue Echo handler navigates to /show when an in-page real-time
  status update transitions the post into a read-only state, instead
  of leaving the user on a stuck readonly editor.
- FacebookPublisher: stop using empty() for content checks (treats
  literal "0" as empty) — compare explicitly against null and "".
- Update terminal-state error messages in API + MCP update tool to
  reflect the broadened guard (no longer Published-only). Adjust the
  matching test assertion.

app/Http/Controllers/Api/PostController.php

@@ -69,7 +69,7 @@ public function update(UpdatePostRequest $request, Post $post): PostResource|Jso
 
         if (data_get($result, 'action') === PostAction::Finalized) {
             return response()->json(
-                ['message' => 'Cannot edit a published post.'],
+                ['message' => 'Cannot edit a post in a terminal state.'],
                 Response::HTTP_UNPROCESSABLE_ENTITY
             );
         }

app/Mcp/Tools/Post/UpdatePostTool.php

@@ -55,7 +55,7 @@ public function handle(Request $request): Response|ResponseFactory
         $result = UpdatePost::execute($workspace, $post, $payload);
 
         if (data_get($result, 'action') === PostAction::Finalized) {
-            return Response::error('Cannot edit a published post.');
+            return Response::error('Cannot edit a post in a terminal state.');
         }
 
         /** @var Post $updated */

app/Services/Social/FacebookPublisher.php

@@ -49,7 +49,7 @@ private function publishPost(string $pageId, string $accessToken, ?string $conte
     {
         // Text only post
         if ($media->isEmpty()) {
-            if (empty($content)) {
+            if ($content === null || $content === '') {
                 throw new \Exception('Facebook text posts require content. Please add text to your post.');
             }
 
@@ -107,7 +107,7 @@ private function publishSingleImagePost(string $pageId, string $accessToken, ?st
             'access_token' => $accessToken,
         ];
 
-        if (! empty($content)) {
+        if ($content !== null && $content !== '') {
             $payload['message'] = $content;
         }
 
@@ -167,7 +167,7 @@ private function publishMultiImagePost(string $pageId, string $accessToken, ?str
             'access_token' => $accessToken,
         ];
 
-        if (! empty($content)) {
+        if ($content !== null && $content !== '') {
             $postData['message'] = $content;
         }
 
@@ -201,7 +201,7 @@ private function publishVideoPost(string $pageId, string $accessToken, ?string $
             'access_token' => $accessToken,
         ];
 
-        if (! empty($content)) {
+        if ($content !== null && $content !== '') {
             $payload['description'] = $content;
         }
 
@@ -306,7 +306,7 @@ private function publishReel(string $pageId, string $accessToken, ?string $conte
             'access_token' => $accessToken,
         ];
 
-        if (! empty($content)) {
+        if ($content !== null && $content !== '') {
             $finishPayload['description'] = $content;
         }
 

resources/js/pages/posts/Edit.vue

@@ -20,7 +20,7 @@ import { ContentType } from '@/enums/content-type';
 import { Platform } from '@/enums/platform';
 import { PostStatus } from '@/types/post';
 import AppLayout from '@/layouts/AppLayout.vue';
-import { destroy as destroyPost, update as updatePost } from '@/routes/app/posts';
+import { destroy as destroyPost, show as showPost, update as updatePost } from '@/routes/app/posts';
 import type { PinterestBoard } from '@/types';
 
 interface MediaItem {
@@ -514,12 +514,15 @@ const unschedulePost = () => {
     submit(PostStatus.Draft);
 };
 
-// Echo: listen for real-time platform status updates.
-// Event fires when any post_platform completes publishing (success or fail).
-// Full reload of the post prop so the new status + post_platforms propagate and
-// the overlay dismisses.
 usePostEcho(post.value.id, '.post.platform.status.updated', () => {
-    router.reload({ only: ['post'] });
+    router.reload({
+        only: ['post'],
+        onSuccess: () => {
+            if (READONLY_STATUSES.includes(post.value.status)) {
+                router.visit(showPost.url(post.value.id));
+            }
+        },
+    });
 });
 
 

resources/js/pages/posts/Index.vue

@@ -138,7 +138,9 @@ const getPostPreview = (post: Post): string =>
     post.content?.trim() || trans('calendar.no_content');
 
 const EDITABLE_STATUSES: readonly string[] = [PostStatus.Draft, PostStatus.Scheduled];
+const DELETABLE_STATUSES: readonly string[] = [PostStatus.Draft, PostStatus.Scheduled, PostStatus.Failed];
 const canEdit = (post: Post): boolean => EDITABLE_STATUSES.includes(post.status);
+const canDelete = (post: Post): boolean => DELETABLE_STATUSES.includes(post.status);
 
 const postUrl = (post: Post): string =>
     canEdit(post) ? editPost.url(post.id) : showPost.url(post.id);
@@ -303,7 +305,7 @@ useWorkspaceEcho(
                                                 <IconCopy class="size-4" />
                                                 {{ $t('posts.actions.copy_id') }}
                                             </DropdownMenuItem>
-                                            <template v-if="canEdit(post)">
+                                            <template v-if="canDelete(post)">
                                                 <DropdownMenuSeparator />
                                                 <DropdownMenuItem
                                                     variant="destructive"

tests/Feature/Mcp/PostPublishToolTest.php

@@ -116,7 +116,7 @@
     $response = TryPostServer::actingAs($this->user)
         ->tool(UpdatePostTool::class, ['post_id' => $post->id, 'content' => 'x']);
 
-    $response->assertHasErrors(['Cannot edit a published post.']);
+    $response->assertHasErrors(['Cannot edit a post in a terminal state.']);
 })->with([
     PostStatus::Published,
     PostStatus::PartiallyPublished,