FR / Proposal: Resource Layer, Media Derivatives, Digital Delivery, Entitlements, and Resource Automation

Status Draft / Request for Comment Related context This proposal started from a smaller performance issue: image previews in document tables should not load the original full-size image. That issue can be solved narrowly with image thumbnails, but the underlying concept is larger. Invoice Ninja already connects clients, products, quotes, invoices, payments, documents, the client portal, React UI, Flutter clients, and integrations. A broader resource layer could turn documents, images, external links, generated files, and digital goods into a consistent client-facing delivery system. This document is intentionally written as a master proposal. It should be split into smaller issues and work items before implementation. --- 1. Summary Invoice Ninja currently supports generic document attachments. These documents can be attached to entities such as invoices, clients, products, projects, quotes, payments, expenses, and other business records. The immediate problem is that image p…