KDCube

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89 articles · latest 2026-07-16

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Data In Motion: The Data Bus And The Live Relay

How KDCube apps move state: the durable Data Bus for inbound changes, the live relay streaming to watchers, and the scene bridge into embedded widgets.

data buslive relayredis streamsscene bridgeat-least-once
2026-07-16

Build an AI App with KDCube

What you actually write for a KDCube app: four starting points, the runtime services around each, and the point where the work stays yours.

app authoringsurfacesdescriptorchat turnreactive events
2026-07-15

Style What You Publish: Catalogs Get A Presentation Contract

The platform renders catalog pages; until now an application could recolor exactly three things. This entry records the presentation contract that ends that: every visual decision in the renderer reads a --kdcpub-* design token, and an application overrides tokens or loads its own stylesheets — declared in its config, per alias and per fold. The platform ...

public-contentcatalogsstylingdesign-tokenspresentation
2026-07-14

Your LangGraph Agent in KDCube

A working agent is product IP, not migration debt. Preserve its LangGraph core and add a bounded async host layer for ordered turns, streaming, user-bound state, and reload.

langgraphhosted agentexecute_coreturn workspaceordered delivery
2026-07-14

Connection Hub: One Broker for Delegated Trust

Every integration wants to act as someone, somewhere. One authority plane keeps identities, claims, grants, secrets, and direct external-service admission distinct across three directions of trust.

connection hubdelegated trustprovider claimsresource grantsconnection-hub package
2026-07-14
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