Research replacing in-memory sessions with persistent storage

[godekina]

Research replacing in-memory sessions with persistent storage

Repository: PolymorphicAI/study-copilot

Suggested Labels: documentation, backend, data, research, high, wave-ready

Suggested Complexity: High / 200 points

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Summary

Research options for replacing in-memory session/progress data with persistent storage.

Why This Matters

Persistent storage would support real user history, bookmarks, and sessions.

Tasks

• Review current in-memory behavior.
• Compare SQLite, Postgres, Supabase, and file-based options.
• Discuss deployment complexity.
• Recommend MVP approach.

Acceptance Criteria

• Storage research doc exists.
• Options are compared.
• MVP recommendation is included.

Suggested Complexity

High / 200 points

Suggested Labels

documentation, backend, data, research, high, wave-ready