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Files and Exports

OpenChat supports attachment-aware chats and structured export workflows.

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File Attachments

  • Uploads are stored in Convex storage with metadata rows in fileUploads.
  • Message rows can include attachment arrays with storage IDs and URLs.
  • File ownership remains tied to user and chat IDs.

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Export Chat Workflow

Endpoint: POST /api/workflow/export-chat Supports:
  • markdown export
  • json export
Behavior:
  • Validates same-origin and authenticated user ownership.
  • Applies export rate limits.
  • Generates export data URI response with filename + byte length.
  • Enforces max payload size (MAX_EXPORT_BYTES).

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Data Included in Exports

  • Chat title and timestamps.
  • Ordered messages with role/content.
  • Reasoning text if present.
  • Attachment metadata and URLs when resolvable.
  • Title generation (/api/workflow/generate-title).
  • Account deletion workflow (/api/workflow/delete-account).
  • Data retention cleanup (/api/workflow/cleanup).