Add Post Templates feature

- Create templates table with name, body, type, title, target, placeholders
- Add Template model with applyToPost method for placeholder replacement
- Add Livewire Templates/Index component for CRUD operations
- Add templates index view with form and table
- Add /templates route
- Update Posts/Index to support template selection when creating posts
- Templates can be applied to pre-fill post form fields

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

app/Livewire/Posts/Index.php

@@ -6,6 +6,7 @@ use App\Jobs\PublishPostJob;
 use App\Models\Post;
 use App\Models\Site;
 use App\Models\SocialAccount;
+use App\Models\Template;
 use App\Support\Publishing\PublisherManager;
 use Livewire\Attributes\Layout;
 use Livewire\Component;
@@ -17,6 +18,8 @@ class Index extends Component
 
     public ?int $editingId = null;
 
+    public ?int $templateId = null;
+
     public string $siteId = '';
 
     public string $socialAccountId = '';
@@ -47,6 +50,7 @@ class Index extends Component
             'accounts' => SocialAccount::orderBy('username')->get(),
             'types' => Post::TYPES,
             'statuses' => Post::STATUSES,
+            'templates' => Template::orderBy('name')->get(),
             'hasPublishing' => $posts->contains('status', 'publishing'),
         ]);
     }
@@ -74,6 +78,37 @@ class Index extends Component
         $this->showForm = true;
     }
 
+    public function createFromTemplate(int $templateId): void
+    {
+        $template = Template::findOrFail($templateId);
+        
+        $this->resetForm();
+        $this->templateId = $template->id;
+        
+        // Pre-fill form from template
+        if ($template->type) {
+            $this->type = $template->type;
+        }
+        if ($template->title) {
+            $this->title = $template->title;
+        }
+        if ($template->body) {
+            $this->body = $template->body;
+        }
+        if ($template->target) {
+            $this->target = $template->target;
+        }
+        
+        $this->showForm = true;
+    }
+
+    public function applyTemplate(): void
+    {
+        if ($this->templateId) {
+            $this->createFromTemplate($this->templateId);
+        }
+    }
+
     public function edit(int $id): void
     {
         $post = Post::findOrFail($id);
@@ -128,6 +163,7 @@ class Index extends Component
     public function resetForm(): void
     {
         $this->editingId = null;
+        $this->templateId = null;
         $this->siteId = '';
         $this->socialAccountId = '';
         $this->type = '';

app/Livewire/Templates/Index.php

@@ -0,0 +1,102 @@
+<?php
+
+namespace App\Livewire\Templates;
+
+use App\Models\Template;
+use Livewire\Attributes\Layout;
+use Livewire\Component;
+
+#[Layout('components.layouts.app')]
+class Index extends Component
+{
+    public bool $showForm = false;
+
+    public ?int $editingId = null;
+
+    public string $name = '';
+
+    public string $body = '';
+
+    public ?string $type = null;
+
+    public ?string $title = null;
+
+    public ?string $target = null;
+
+    public string $placeholders = '';
+
+    public function render()
+    {
+        return view('livewire.templates.index', [
+            'templates' => Template::orderBy('name')->get(),
+            'types' => Template::TYPES,
+        ]);
+    }
+
+    public function create(): void
+    {
+        $this->resetForm();
+        $this->showForm = true;
+    }
+
+    public function edit(int $id): void
+    {
+        $template = Template::findOrFail($id);
+        $this->editingId = $template->id;
+        $this->name = $template->name;
+        $this->body = $template->body;
+        $this->type = $template->type;
+        $this->title = $template->title;
+        $this->target = $template->target;
+        $this->placeholders = $template->placeholders ? implode(', ', $template->placeholders) : '';
+        $this->showForm = true;
+    }
+
+    public function save(): void
+    {
+        $validated = $this->validate([
+            'name' => ['required', 'string', 'max:255'],
+            'body' => ['required', 'string'],
+            'type' => ['nullable', 'string', 'in:' . implode(',', Template::TYPES)],
+            'title' => ['nullable', 'string', 'max:255'],
+            'target' => ['nullable', 'string', 'max:255'],
+            'placeholders' => ['nullable', 'string'],
+        ]);
+
+        // Parse placeholders from comma-separated string
+        $placeholderArray = null;
+        if ($validated['placeholders']) {
+            $placeholderArray = array_map('trim', explode(',', $validated['placeholders']));
+            $placeholderArray = array_filter($placeholderArray);
+        }
+
+        Template::updateOrCreate(['id' => $this->editingId], [
+            'name' => $validated['name'],
+            'body' => $validated['body'],
+            'type' => $validated['type'],
+            'title' => $validated['title'],
+            'target' => $validated['target'],
+            'placeholders' => $placeholderArray,
+        ]);
+
+        $this->resetForm();
+        $this->showForm = false;
+    }
+
+    public function delete(int $id): void
+    {
+        Template::findOrFail($id)->delete();
+    }
+
+    public function resetForm(): void
+    {
+        $this->editingId = null;
+        $this->name = '';
+        $this->body = '';
+        $this->type = null;
+        $this->title = null;
+        $this->target = null;
+        $this->placeholders = '';
+        $this->resetValidation();
+    }
+}