fix: hide difficulty from scenario ui in exam mode

Signed-off-by: Abhinav Sinha <[email protected]>

frontend/src/components/ScenarioPanel.jsx

@@ -201,9 +201,11 @@ export default function ScenarioPanel({ scenario, onProgressUpdate, onScenarioSt
       <div className={styles.scenarioHeader}>
         <div className={styles.scenarioMeta}>
           <span className={styles.category}>{scenario.category}</span>
+          {!isExamMode && (
             <span className={`${styles.diff} ${styles[scenario.difficulty?.toLowerCase()]}`}>
               {scenario.difficulty}
             </span>
+          )}
           <span className={styles.typeTag}>{scenario.type === 'mcq' ? 'Multiple Choice' : 'Hands-on Task'}</span>
           {!isExamMode && <span className={styles.weight}>{scenario.weight} pts</span>}
         </div>

frontend/src/components/Sidebar.jsx

@@ -109,6 +109,7 @@ export default function Sidebar({
       {/* Filter bar */}
       {!collapsed && (
         <div className={styles.filterBar}>
+          {!isExamMode && (
             <select 
               value={filterDiff} 
               onChange={e => setFilterDiff(e.target.value)}
@@ -119,6 +120,7 @@ export default function Sidebar({
               <option value="Medium">Medium</option>
               <option value="Hard">Hard</option>
             </select>
+          )}
           <select 
             value={filterType} 
             onChange={e => setFilterType(e.target.value)}
@@ -210,9 +212,11 @@ export default function Sidebar({
                             )}
                           </div>
                           <div className={styles.itemMeta}>
+                            {!isExamMode && (
                               <span className={`${styles.diff} ${styles[DIFF_COLOR[s.difficulty]]}`}>
                                 {s.difficulty}
                               </span>
+                            )}
                             <span className={`${styles.type} ${styles[s.type]}`}>{s.type.toUpperCase()}</span>
                             {!isExamMode && <span className={styles.weight}>{s.weight}pt</span>}
                             {isExamMode && examDone && (