.env.example

# Supabase browser-safe values
NEXT_PUBLIC_SUPABASE_URL=https://<supabase-project-ref>.supabase.co
NEXT_PUBLIC_SUPABASE_PUBLISHABLE_KEY=<supabase-publishable-or-anon-key>

# App URL used for auth redirects
NEXT_PUBLIC_SITE_URL=http://localhost:3000

# Local demo mode. Set to true to explore the app with seeded study data and no live auth/database dependency.
DEMO_MODE=true

# Private Supabase Storage bucket for uploaded PDFs
SUPABASE_DOCUMENTS_BUCKET=documents

# Server-only OpenAI values. Do not expose these with NEXT_PUBLIC_.
OPENAI_API_KEY=<openai-api-key>
OPENAI_MODEL=gpt-5-mini
OPENAI_EMBEDDING_MODEL=text-embedding-3-small
OPENAI_EMBEDDING_DIMENSIONS=1536

# Optional server-side diagnostics for PDF extraction and retrieval. Keep disabled in normal use.
STUDYSTACK_RETRIEVAL_DEBUG=false