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### Summary This is a large refactor of the content for the LangGraph Platform deployment options. Although there are a lot of changes, I do feel fairly confident that this is safe to merge and won't have any negative impact related to confusion around deployment options. However, please review thoroughly (i.e. run the docs locally). ### Goals and Non-Goals Just wanted to explicitly state goals and non-goals so that we're clear about what needs to be done now versus what can be done in a smaller follow-up PR. Goals 1. Add new content for the new deployment options (Self-Hosted Data Plane, Self-Hosted Control Plane). 1. Hide old content for deprecated deployment options (BYOC). 1. Create a pair of "conceptual" and "how-to" pages for each deployment option. As much as possible, the pages should have consistent headings. 1. Introduce the terms "control plane" and "data plane" and define them plainly without hiding/abstracting information. Non-Goals 1. Do not change the navigation of the existing deployment options. As much as possible, update content in-place or add new pages. Changing the navigation is a bigger task that can be done later. 1. Do not remove old content for deprecated deployment options. We may need to refer to this later. There are only ~2 pages (I think). ### Next Steps 1. Update the architecture diagrams for each deployment option. Commit Excalidraw file to source control. 1. Create a "how-to" page for the Control Plane UI. This page pertains to 3/4 deployment options. Most of the content lives in the "how-to" page for Cloud SaaS deployment. 1. Document required RBAC permissions for K8s for Self-Hosted Data Plane and Self-Hosted Control Plane (and update links). 1. Figure out how to consolidate plan information. 1. Figure out where to document licensing, telemetry, custom Postgres/Redis. 1. Update autoscaling content.