feat: enhance session summary to include status and analysis data

Author: Thavarshan

src/controllers/session-controller.ts

@@ -60,14 +60,15 @@ const CreateSessionSchema = z.object({
  *
  * Contains just enough data for the UI to display a sessions list:
  * - Session identifier and creation timestamp
+ * - Session status for tracking processing state
  * - Optional user context (DAW, genre, skill level)
  * - Optional file info (duration, format) if metadata extraction succeeded
- *
- * Full analysis results are NOT included here (use getById for complete state).
+ * - Optional analysis data for dashboard statistics
  */
 type SessionSummary = {
   sessionId: string;
   createdAt: string;
+  status: 'PENDING' | 'PROCESSING' | 'COMPLETED' | 'FAILED';
   userContext?: {
     daw?: string;
     genre?: string;
@@ -80,6 +81,24 @@ type SessionSummary = {
     channels: number;
     bitrate?: number;
   };
+  analysis?: {
+    loudness?: {
+      integratedLUFS: number;
+      truePeak: number;
+      loudnessRange: number;
+    };
+    dynamics?: {
+      crestFactor: number;
+    };
+    spectrum?: {
+      low: number;
+      mids: number;
+      highs: number;
+    };
+    stereo?: {
+      widthScore: number;
+    };
+  };
 };
 
 /**
@@ -213,14 +232,16 @@ export class SessionController {
 
       const sessions = await this.sessionRepository.findAll(userId);
 
-      // Transform database records to lightweight summaries
+      // Transform database records to summaries with analysis data
       const summaries: SessionSummary[] = sessions.map((session) => {
         const state = JSON.parse(session.payload) as EngineState;
         return {
           sessionId: session.sessionId,
           createdAt: session.createdAt.toISOString(),
+          status: session.status,
           userContext: state.userContext,
           fileInfo: state.fileInfo,
+          analysis: state.analysis,
         };
       });