chore: update document approval workflow and bug fixes

Modules/TaskManagement/app/Http/Controllers/TaskImportController.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Modules\TaskManagement\Http\Controllers;
+
+use App\Http\Controllers\Controller;
+use Illuminate\Http\Request;
+use Maatwebsite\Excel\Facades\Excel;
+use Modules\ProjectManagement\Exports\TaskTemplateExport;
+use Modules\ProjectManagement\Imports\TaskImport;
+use Modules\ProjectManagement\Models\Project;
+
+class TaskImportController extends Controller
+{
+    public function template()
+    {
+        return Excel::download(new TaskTemplateExport(), 'task_import_template.xlsx');
+    }
+
+    public function import(Request $request, Project $project)
+    {
+        $request->validate([
+            'file' => 'required|file|mimes:xlsx,csv,xls|max:10240',
+        ]);
+
+        $import = new TaskImport($project);
+
+        try {
+            Excel::import($import, $request->file('file'));
+        } catch (\Exception $e) {
+            return back()->with('error', 'Import failed: ' . $e->getMessage());
+        }
+
+        $count = $import->getImportedCount();
+        $message = "{$count} task(s) imported successfully.";
+
+        if ($import->getSkippedCount() > 0) {
+            $message .= " {$import->getSkippedCount()} row(s) skipped.";
+        }
+
+        return back()->with('success', $message);
+    }
+}