feat: Enhance session processing and metrics

- Updated session processing commands in documentation for clarity.
- Removed transcript content fetching from session processing, allowing on-demand retrieval.
- Improved session metrics calculations and added new metrics for dashboard.
- Refactored processing scheduler to handle sessions in parallel with concurrency limits.
- Added manual trigger API for processing unprocessed sessions with admin checks.
- Implemented scripts for fetching and parsing transcripts, checking transcript content, and testing processing status.
- Updated Prisma schema to enforce default values for processed sessions.
- Added error handling and logging improvements throughout the processing workflow.

components/TopQuestionsChart.tsx

@@ -26,11 +26,11 @@ export default function TopQuestionsChart({ data, title = "Top 5 Asked Questions
   return (
     <div className="bg-white p-6 rounded-lg shadow-sm border border-gray-200">
       <h3 className="text-lg font-semibold text-gray-900 mb-4">{title}</h3>
-      
+
       <div className="space-y-4">
         {data.map((question, index) => {
           const percentage = maxCount > 0 ? (question.count / maxCount) * 100 : 0;
-          
+
           return (
             <div key={index} className="relative">
               {/* Question text */}
@@ -42,7 +42,7 @@ export default function TopQuestionsChart({ data, title = "Top 5 Asked Questions
                   {question.count}
                 </span>
               </div>
-              
+
               {/* Progress bar */}
               <div className="w-full bg-gray-200 rounded-full h-2">
                 <div
@@ -50,7 +50,7 @@ export default function TopQuestionsChart({ data, title = "Top 5 Asked Questions
                   style={{ width: `${percentage}%` }}
                 />
               </div>
-              
+
               {/* Rank indicator */}
               <div className="absolute -left-2 top-0 w-6 h-6 bg-blue-600 text-white text-xs font-bold rounded-full flex items-center justify-center">
                 {index + 1}
@@ -59,7 +59,7 @@ export default function TopQuestionsChart({ data, title = "Top 5 Asked Questions
           );
         })}
       </div>
-      
+
       {/* Summary */}
       <div className="mt-6 pt-4 border-t border-gray-200">
         <div className="flex justify-between text-sm text-gray-600">