Add 5 NotebookLM parity features: Mind Map, Infographic, Slide Deck, Deep Research, Video Generator

feat(api): add configurable CORS origins via CORS_ORIGINS (#767)

feat(podcasts): model registry integration, credential passthrough & new features (#632)

feat: improve error clarity for LLM provider failures (#506)

feat: credential-based API key management (#477) (#540)

feat: add cascade deletion for notebooks with delete preview (#471)

Feat/localization tests docker (#371)

fix: add CORS headers to error responses and document file upload limits

refactor: reorganize folder structure for better maintainability

refactor: move environment variables loading to application entry point (#283)

Version 1 (#160)

Api podcast migration (#93)