suaveplan/openspec/archive/2026-05-10-network-plugin-content-delivery-packer/proposal.md

OpenSpec Change: network-plugin-content-delivery-packer

• Change ID: network-plugin-content-delivery-packer
• Package: @suaveplan/network-plugin-content-delivery (extension)
• Status: PROPOSED
• Type: extension
• Date: 2026-05-05

Why

The core network-plugin-content-delivery change shipped ChunkManifest as a wire-stable type but did not include the PackerIntegration subsystem that produces / consumes it. That work was deferred per the parent proposal's ## Deferred to follow-up changes block because it requires direct coupling to @suaveplan/packer (chunk packing pipeline) and adds cd:manifest broadcast semantics on the bus.

This change adds PackerIntegration to the existing package without breaking the core surface.

What changes

• ADDED: PackerIntegration class — consumes @suaveplan/packer output, builds a ChunkManifest, and broadcasts cd:manifest on the bus.
• ADDED: cd:manifest event topic (payload: ChunkManifest).
• ADDED: ContentDeliveryPlugin.packer getter wires the new subsystem onto the plugin facade.

Verification approach

• src/packer/packer-integration.spec-conformance.test.ts — pins manifest construction from a packer output, bus broadcast, hash-algorithm propagation.

Migration impact

None — additive only.