Add Advanced Search and filtering to Posts

- Add full-text search index on posts.title and posts.body
- Add search box with live filtering
- Add filter dropdowns for type, status, and site
- Add Clear Filters button
- Display post count in filter bar
- All filters work together (AND logic)

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

resources/views/livewire/posts/index.blade.php

@@ -8,6 +8,59 @@
         <div class="mb-4 p-3 bg-amber-50 border border-amber-200 text-amber-800 rounded text-sm">{{ $publishNotice }}</div>
     @endif
 
+    <!-- Search and Filters -->
+    <div class="bg-gray-50 p-4 rounded mb-4">
+        <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-5 gap-4 items-end">
+            <div>
+                <label class="block text-sm font-medium mb-1">Search</label>
+                <input 
+                    type="text" 
+                    wire:model.live="search" 
+                    placeholder="Search posts..." 
+                    class="w-full border rounded p-2"
+                >
+            </div>
+            <div>
+                <label class="block text-sm font-medium mb-1">Type</label>
+                <select wire:model.live="typeFilter" class="w-full border rounded p-2">
+                    <option value="">All Types</option>
+                    @foreach ($types as $t)
+                        <option value="{{ $t }}">{{ ucfirst($t) }}</option>
+                    @endforeach
+                </select>
+            </div>
+            <div>
+                <label class="block text-sm font-medium mb-1">Status</label>
+                <select wire:model.live="statusFilter" class="w-full border rounded p-2">
+                    <option value="">All Statuses</option>
+                    @foreach ($statuses as $s)
+                        <option value="{{ $s }}">{{ ucfirst($s) }}</option>
+                    @endforeach
+                </select>
+            </div>
+            <div>
+                <label class="block text-sm font-medium mb-1">Site</label>
+                <select wire:model.live="siteFilter" class="w-full border rounded p-2">
+                    <option value="">All Sites</option>
+                    @foreach ($sites as $site)
+                        <option value="{{ $site->id }}">{{ $site->name }}</option>
+                    @endforeach
+                </select>
+            </div>
+            <div>
+                <button 
+                    wire:click="clearFilters" 
+                    class="w-full bg-gray-200 hover:bg-gray-300 text-gray-800 px-4 py-2 rounded text-sm"
+                >
+                    Clear Filters
+                </button>
+            </div>
+        </div>
+        <div class="mt-2 text-xs text-gray-500">
+            Showing {{ $posts->count() }} post{{ $posts->count() !== 1 ? 's' : '' }}
+        </div>
+    </div>
+
     <table class="w-full bg-white border border-gray-200 rounded">
         <thead>
             <tr class="text-left border-b border-gray-200">