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Backlot: open-source film scheduler models call sheets as filtered assignment rows

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Backlot is an open-source production scheduling app for film sets, and its developers chose not to build a dedicated call sheet table. Instead, the data model centres on five schemas, with each assignment row carrying an owner field that ties a crew member's role, call time, location, and day rate to their own login. Server-side access rules filter results so each person sees only their own assignments, so a crew member's call sheet emerges from a row filter rather than a separate table. The public side exposes only the production slate, while assignment data returns a 403 to unauthenticated requests. Assignments begin in an 'offered' state and move to 'confirmed' or 'declined' through the recipient's own actions, with workflows handling notification emails and SMS messages.

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