suaveplan/openspec/changes/enterprise-gaming-r3f-npc/proposal.md

OpenSpec Change: enterprise-gaming-r3f-npc

• Change ID: enterprise-gaming-r3f-npc
• Package: @suaveplan/r3f-npc
• Category: gaming/gameplay
• Target path: gaming/gameplay/r3f-npc
• Status: PROPOSED
• Date: 2026-04-24

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Summary

Deliver @suaveplan/r3f-npc on the genesis branch from scratch at enterprise quality. The package is the R3F rendering layer for @suaveplan/npc: NpcMesh composing @suaveplan/r3f-character locomotion with NPC state from the NpcRegistry, BehaviorTreeDebug overlay visualizing node states (running/success/failure) in a floating tree panel, NpcNameplate billboarded nameplate with health bar and status icon, DialogueTrigger component showing proximity-based interaction prompt and wiring into @suaveplan/dialogue, and NpcMarker minimap dot. Genesis adds 100% coverage and Storybook stories.

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Available workspace deps

@suaveplan/npc, @suaveplan/behavior-tree, @suaveplan/dialogue, @suaveplan/r3f-character, @suaveplan/r3f-ui, @suaveplan/error, @suaveplan/types, react, @react-three/fiber, @react-three/drei, three.

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Public API surface

function NpcMesh(props: NpcMeshProps): JSX.Element
// npcId, model, showNameplate, showDebug

function BehaviorTreeDebug(props: BehaviorTreeDebugProps): JSX.Element
// treeRef, visible, position

function NpcNameplate(props: NpcNameplateProps): JSX.Element
// name, health, maxHealth, statusIcon

function DialogueTrigger(props: DialogueTriggerProps): JSX.Element
// npcId, triggerRadius, prompt

function NpcMarker(props: NpcMarkerProps): JSX.Element
// npcId, icon, color

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File layout

gaming/gameplay/r3f-npc/
  package.json / tsconfig.json / vitest.config.ts
  src/
    index.ts / error-codes.ts
    types/common.ts + md
    components/
      NpcMesh/ (tsx + md + test + stories + index)
      BehaviorTreeDebug/ (tsx + md + test + stories + index)
      NpcNameplate/ (tsx + md + test + stories + index)
      DialogueTrigger/ (tsx + md + test + stories + index)
      NpcMarker/ (tsx + md + test + stories + index)
  tests/integration.test.ts