Implement robust error handling, safety checks for data structures, and state management improvements across various components to prevent runtime errors and enhance user experience.
Replit-Commit-Author: Agent
Replit-Commit-Session-Id: a71e826a-1d38-4b6e-a34f-fbf5ba1f1b25
Replit-Commit-Checkpoint-Type: intermediate_checkpoint
Fixes TypeScript errors in the seed data edge function by correctly assigning `userId` instead of `user.id` and safely accessing error messages.
Replit-Commit-Author: Agent
Replit-Commit-Session-Id: a8c5cf3e-a80e-462f-b090-b081acdcf03a
Replit-Commit-Checkpoint-Type: intermediate_checkpoint