test(admin-panel): add product context to AI trace warnings

- Added `productName` field to `AdminAiWarning` in test data
- Updated warning test cases to include product context for better traceability

flutter/test/features/admin/presentation/admin_ai_panel_test.dart

@@ -86,16 +86,17 @@ void main() {
     durationMs: 1880,
     retryCount: 1,
     chunkCount: 3,
-    warnings: const [
-      AdminAiWarning(
-        code: 'low_confidence',
-        kind: 'parse',
-        title: 'Låg parsningskvalitet',
-        message: 'Modellens säkerhet är låg, granska raden manuellt.',
-        severity: 'warning',
-        location: 'Steg: AI-parser',
-        itemIndex: 5,
-      ),
+      warnings: const [
+        AdminAiWarning(
+          code: 'low_confidence',
+          kind: 'parse',
+          title: 'Låg parsningskvalitet',
+          message: 'Modellens säkerhet är låg, granska raden manuellt.',
+          severity: 'warning',
+          location: 'Steg: AI-parser',
+          itemIndex: 5,
+          productName: 'Test Product',
+        ),
       AdminAiWarning(
         code: 'no_match',
         kind: 'match',
@@ -105,6 +106,7 @@ void main() {
         severity: 'warning',
         location: 'Steg: matchning mot dina produkter',
         itemIndex: 7,
+        productName: 'Another Test Product',
       ),
     ],
     legacyWarnings: const ['parse:low_confidence', 'match:no_match'],