Refactor transcript fetching and processing scripts

- Introduced a new function `fetchTranscriptContent` to handle fetching transcripts with optional authentication.
- Enhanced error handling and logging for transcript fetching.
- Updated the `parseTranscriptToMessages` function to improve message parsing logic.
- Replaced the old session processing logic with a new approach that utilizes `SessionImport` records.
- Removed obsolete scripts related to manual triggers and whitespace fixing.
- Updated the server initialization to remove direct server handling, transitioning to a more modular approach.
- Improved overall code structure and readability across various scripts.

pages/api/register.ts

@@ -46,7 +46,7 @@ export default async function handler(
       email,
       password: hashed,
       companyId: newCompany.id,
-      role: "admin",
+      role: "ADMIN",
     },
   });
   res.status(201).json({