improve edited exam changes again

src/pages/approval-workflows/[id]/index.tsx

@@ -557,7 +557,7 @@ export default function Home({ user, initialWorkflow, id, workflowAssignees, wor
                                                     <div className="p-3 border border-gray-300 rounded-xl bg-white bg-opacity-80 overflow-y-auto max-h-40">
                                                         {currentWorkflow.steps[selectedStepIndex].examChanges?.length ? (
                                                             currentWorkflow.steps[selectedStepIndex].examChanges!.map((change, index) => (
-                                                                <p key={index} className="text-sm text-gray-500 mb-2">
+                                                                <p key={index} className="whitespace-pre-wrap text-sm text-gray-500 mb-2">
                                                                     {change}
                                                                 </p>
                                                             ))

src/utils/exam.differences.ts

@@ -1,9 +1,10 @@
 import { Exam } from "@/interfaces/exam";
 import { diff, Diff } from "deep-diff";
 
-const EXCLUDED_KEYS = new Set(["_id", "id", "createdAt", "createdBy", "entities", "isDiagnostic", "private", "access", "requiresApproval"]);
+const EXCLUDED_KEYS = new Set<string>(["_id", "id", "createdAt", "createdBy", "entities", "isDiagnostic", "private", "requiresApproval", "exerciseID", "questionID"]);
 
 const PATH_LABELS: Record<string, string> = {
+    access: "Access Type",
     parts: "Parts",
     exercises: "Exercises",
     userSolutions: "User Solutions",
@@ -20,6 +21,9 @@ const PATH_LABELS: Record<string, string> = {
     prefix: "Prefix",
     suffix: "Suffix",
     topic: "Topic",
+    allowRepetition: "Allow Repetition",
+    maxWords: "Max Words",
+    minTimer: "Timer",
 };
 
 export function generateExamDifferences(oldExam: Exam, newExam: Exam): string[] {
@@ -28,9 +32,7 @@ export function generateExamDifferences(oldExam: Exam, newExam: Exam): string[]
 }
 
 function formatDifference(change: Diff<any, any>): string | undefined {
-    if (!change.path) {
+    if (!change.path) return;
-        return;
-    }
 
     if (change.path.some((segment) => EXCLUDED_KEYS.has(segment))) {
         return;
@@ -85,30 +87,53 @@ function formatValue(value: any): string {
 
     if (typeof value === "object") {
         try {
-            return JSON.stringify(
+            const sanitized = removeExcludedKeysDeep(value, EXCLUDED_KEYS);
-                value,
+
-                (key, val) => {
+            const renamed = renameKeysDeep(sanitized, PATH_LABELS);
-                    if (EXCLUDED_KEYS.has(key)) {
+
-                        return undefined;
+            return JSON.stringify(renamed, null, 2);
-                    }
-                    return val;
-                },
-                2 // optional indentation for readability
-            );
         } catch {
             return String(value);
         }
     }
-
     return JSON.stringify(value);
 }
 
+function removeExcludedKeysDeep(obj: any, excludedKeys: Set<string>): any {
+    if (Array.isArray(obj)) {
+        return obj.map((item) => removeExcludedKeysDeep(item, excludedKeys));
+    } else if (obj && typeof obj === "object") {
+        const newObj: any = {};
+        for (const key of Object.keys(obj)) {
+            if (excludedKeys.has(key)) {
+                // Skip this key entirely
+                continue;
+            }
+            newObj[key] = removeExcludedKeysDeep(obj[key], excludedKeys);
+        }
+        return newObj;
+    }
+    return obj;
+}
+
+function renameKeysDeep(obj: any, renameMap: Record<string, string>): any {
+    if (Array.isArray(obj)) {
+        return obj.map((item) => renameKeysDeep(item, renameMap));
+    } else if (obj && typeof obj === "object") {
+        const newObj: any = {};
+        for (const key of Object.keys(obj)) {
+            const newKey = renameMap[key] ?? key; // Use friendly label if available
+            newObj[newKey] = renameKeysDeep(obj[key], renameMap);
+        }
+        return newObj;
+    }
+    return obj;
+}
+
 /**
- * Convert an array of path segments into a friendlier string.
+ * Convert an array of path segments into a user-friendly string.
- * Example:
+ * e.g. ["parts", 0, "exercises", 1, "prompt"]
- *   ["parts", 0, "exercises", 1, "prompt"]
+ *      → "Parts → [#1] → Exercises → [#2] → Prompt"
- * becomes:
- *   "Parts → [#1] → Exercises → [#2] → Prompt"
  */
 function pathToHumanReadable(pathSegments: Array<string | number>): string {
     return pathSegments