[FIX] LTI: Fix LTI 1.3 learning progress via outcomes service

This fixes learning progress updates for LTI 1.3 by correctly using the outcomes service and preserving the required authentication context during the consumer flow. As a result, outcome requests are resolved consistently and progress can be reported as expected.

Author: Saaweel

components/ILIAS/LTIProvider/classes/class.ilLTIAppEventListener.php

@@ -180,7 +180,28 @@ protected function tryOutcomeService(int $resource, string $ext_account, int $a_
 
         $this->logger->info('Sending score: ' . (string) $score);
 
-        $outcome = new Outcome((string) $score);
+        $pointsPossible = 1;
+
+        if ($a_status == ilLPStatus::LP_STATUS_NOT_ATTEMPTED_NUM) {
+            $activityProgress = 'Initialized';
+            $gradingProgress = 'NotReady';
+        } elseif ($a_status == ilLPStatus::LP_STATUS_IN_PROGRESS_NUM) {
+            $activityProgress = 'InProgress';
+            $gradingProgress = 'Pending';
+        } elseif ($a_status == ilLPStatus::LP_STATUS_COMPLETED_NUM) {
+            $activityProgress = 'Completed';
+            $gradingProgress = 'FullyGraded';
+        } elseif ($a_status == ilLPStatus::LP_STATUS_FAILED_NUM) {
+            $activityProgress = 'Completed';
+            $gradingProgress = 'Failed';
+        } else {
+            $activityProgress = 'InProgress';
+            $gradingProgress = 'Pending';
+        }
+
+        $this->logger->info("Sending score: $score, Points possible: $pointsPossible, Activity progress: $activityProgress, Grading progress: $gradingProgress");
+
+        $outcome = new Outcome($score, $pointsPossible, $activityProgress, $gradingProgress);
 
         $status = $resource_link->doOutcomesService(
             ServiceAction::Write,