feat(admin): 开通线索 PlatformLead 总台列表页（只读）

app/Http/Controllers/Admin/PlatformLeadController.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace App\Http\Controllers\Admin;
+
+use App\Http\Controllers\Concerns\ResolvesPlatformAdminContext;
+use App\Http\Controllers\Controller;
+use App\Models\PlatformLead;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Http\Request;
+use Illuminate\View\View;
+
+class PlatformLeadController extends Controller
+{
+    use ResolvesPlatformAdminContext;
+
+    public function index(Request $request): View
+    {
+        $this->ensurePlatformAdmin($request);
+
+        $filters = [
+            'status' => trim((string) $request->query('status', '')),
+            'keyword' => trim((string) $request->query('keyword', '')),
+        ];
+
+        $query = PlatformLead::query();
+
+        $query->when($filters['status'] !== '', fn (Builder $b) => $b->where('status', $filters['status']));
+        $query->when($filters['keyword'] !== '', function (Builder $b) use ($filters) {
+            $kw = $filters['keyword'];
+            $b->where(function (Builder $q) use ($kw) {
+                $q->where('name', 'like', '%' . $kw . '%')
+                    ->orWhere('mobile', 'like', '%' . $kw . '%')
+                    ->orWhere('email', 'like', '%' . $kw . '%')
+                    ->orWhere('company', 'like', '%' . $kw . '%');
+            });
+        });
+
+        $leads = $query->latest('id')->paginate(15)->withQueryString();
+
+        return view('admin.platform_leads.index', [
+            'leads' => $leads,
+            'filters' => $filters,
+            'statusLabels' => [
+                'new' => '新线索',
+                'contacted' => '已联系',
+                'qualified' => '已确认需求',
+                'converted' => '已转化',
+                'closed' => '已关闭',
+            ],
+        ]);
+    }
+}