feat: Implement structured message parsing and display in MessageViewer component

- Added MessageViewer component to display parsed messages in a chat-like format.
- Introduced new Message table in the database to store individual messages with timestamps, roles, and content.
- Updated Session model to include a relation to parsed messages.
- Created transcript parsing logic to convert raw transcripts into structured messages.
- Enhanced processing scheduler to handle sessions with parsed messages.
- Updated API endpoints to return parsed messages alongside session details.
- Added manual trigger commands for session refresh, transcript parsing, and processing.
- Improved user experience with color-coded message roles and timestamps in the UI.
- Documented the new scheduler workflow and transcript parsing implementation.

.env.example

@@ -0,0 +1,13 @@
+# Development environment settings
+# This file ensures NextAuth always has necessary environment variables in development
+
+# NextAuth.js configuration
+NEXTAUTH_URL=http://192.168.1.2:3000
+NEXTAUTH_SECRET=this_is_a_fixed_secret_for_development_only
+NODE_ENV=development
+
+# OpenAI API key for session processing
+# Add your API key here: OPENAI_API_KEY=sk-...
+OPENAI_API_KEY=your_openai_api_key_here
+
+# Database connection - already configured in your prisma/schema.prisma