fix: passingScore scaling and dimensions propagation

- Frontend: divide by 10 on load, multiply by 10 on send (UI:0-10, DB:0-100)
- Backend: include template dimensions in session templateData snapshot

web/components/views/AssessmentTemplateManager.tsx

@@ -76,7 +76,7 @@ export const AssessmentTemplateManager: React.FC = () => {
                     : (template.difficultyDistribution || ''),
                 style: template.style || 'Professional',
                 knowledgeGroupId: template.knowledgeGroupId || '',
-                passingScore: template.passingScore ?? 6,
+                passingScore: template.passingScore ? template.passingScore / 10 : 6,
                 totalTimeLimit: template.totalTimeLimit ?? 1800,
                 perQuestionTimeLimit: template.perQuestionTimeLimit ?? 300,
             });
@@ -107,13 +107,10 @@ export const AssessmentTemplateManager: React.FC = () => {
             // Convert UI strings back to required types
             const keywordsArray = formData.keywords.split(',').map(k => k.trim()).filter(k => k !== '');
             let diffDist: any = formData.difficultyDistribution;
-            try {
-                if (formData.difficultyDistribution.startsWith('{')) {
-                    diffDist = JSON.parse(formData.difficultyDistribution);
-                }
-            } catch (e) {
-                // Keep as string if parsing fails
+            if (typeof diffDist === 'string' && diffDist.trim().startsWith('{')) {
+                try { diffDist = JSON.parse(diffDist); } catch (e) { diffDist = undefined; }
             }
+            if (typeof diffDist !== 'object' || diffDist === null) diffDist = undefined;
 
             const payload: CreateTemplateData = {
                 name: formData.name,
@@ -124,7 +121,7 @@ export const AssessmentTemplateManager: React.FC = () => {
                 style: formData.style,
                 knowledgeGroupId: formData.knowledgeGroupId || undefined,
                 dimensions: dimensions.length > 0 ? dimensions : undefined,
-                passingScore: formData.passingScore,
+                passingScore: formData.passingScore * 10,
                 totalTimeLimit: formData.totalTimeLimit,
                 perQuestionTimeLimit: formData.perQuestionTimeLimit,
             };