Add unit tests for various modules: attachments grouping, department weather caching behaviors, economic module order sanitization, enriched order batching, and user cashier name lookups. Update related route logic for enhanced data fetching and caching integrations.

services/nginx/app/tests/Unit/Workfeed/DepartmentWeatherFallbackBehaviorTest.php

@@ -128,6 +128,9 @@ it('wires departments weather route through the forecast fallback path', functio
     $content = (string)file_get_contents($routeFile);
 
     expect($content)->toContain('fetchDepartmentForecastOrFallback');
+    expect($content)->toContain('$this->resolveForecastDaysForTimelineRange');
+    expect($content)->toContain('$this->buildDepartmentWeatherTimeline');
+    expect($content)->not->toContain('static function () use ($coordinates');
     expect($content)->toContain('DEPARTMENTS_WEATHER_FALLBACK');
     expect($content)->not->toContain('Selected department(s) do not have GPS coordinates configured');
 });