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openspec/changes/enterprise-gaming-r3f-character-vehicle-picker/proposal.md

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+# OpenSpec Change: enterprise-gaming-r3f-character-vehicle-picker
+
+- **Change ID**: enterprise-gaming-r3f-character-vehicle-picker
+- **Package**: `@suaveplan/r3f-character-vehicle-picker`
+- **Category**: gaming/character
+- **Target path**: `gaming/character/r3f-character-vehicle-picker`
+- **Status**: PROPOSED
+- **Date**: 2026-04-24
+- **Reference spec**: `/mnt/s/web/suaveplan/enterprise/r3f-character-vehicle-picker.md`
+
+---
+
+## Summary
+
+Deliver `@suaveplan/r3f-character-vehicle-picker` on the genesis branch from scratch at enterprise quality. The package provides a character/vehicle picker UI with interactive 3D previews and GTA-style customisation. A rotating 3D model preview renders the selected character or vehicle; a catalog carousel shows thumbnails; a customisation panel (color, decals, accessories) updates the preview in real-time via `@suaveplan/character-vehicle-picker`'s `PickerState`. Genesis adds structured errors, Storybook stories, and 100% coverage.
+
+---
+
+## Available workspace deps
+
+`@suaveplan/error`, `@suaveplan/character-vehicle-picker`, react, `@react-three/fiber`, `@react-three/drei`, three.
+
+---
+
+## Public API surface
+
+```ts
+function CharacterVehiclePicker(props: PickerProps): JSX.Element
+// pickerState, characterModels, vehicleModels, onConfirm
+
+function ModelPreview(props: ModelPreviewProps): JSX.Element
+// modelUrl, autoRotate, zoom
+
+function CatalogCarousel(props: CatalogCarouselProps): JSX.Element
+function CustomisationPanel(props: CustomisationPanelProps): JSX.Element
+```
+
+---
+
+## File layout
+
+```text
+gaming/character/r3f-character-vehicle-picker/
+  package.json / tsconfig.json / vitest.config.ts
+  src/
+    index.ts / error-codes.ts
+    types/common.ts + md
+    components/
+      CharacterVehiclePicker/ (tsx + md + test + stories + index)
+      ModelPreview/ (tsx + md + test + stories + index)
+      CatalogCarousel/ (tsx + md + test + stories + index)
+      CustomisationPanel/ (tsx + md + test + stories + index)
+  tests/integration.test.ts
+```

openspec/changes/enterprise-gaming-r3f-character-vehicle-picker/tasks.md

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+# Tasks: enterprise-gaming-r3f-character-vehicle-picker
+
+## 0. Pre-flight (non-negotiable)
+
+- [ ] 0.1 Confirm clean working tree (`git status` reports nothing) and no in-flight worktrees with uncommitted work (`git worktree list` then `git status` in each)
+- [ ] 0.2 If any worktrees exist under `.claude/worktrees/`, account for each one: still-active agent, work-pending-merge, or stale-and-prune. Stale worktrees MUST be removed (`git worktree remove`) before opening a new one — code that has been lost twice on main is the failure mode this guards against.
+- [ ] 0.3 Confirm the package set in `MANIFEST.md` matches `find packages -maxdepth 3 -name package.json` count. Drift here means a prior change archived without regenerating the manifest.
+
+## Phase 1 — Scaffold + types
+
+## Phase 2 — `ModelPreview` — R3F canvas with OrbitControls, autoRotate, zoom
+
+## Phase 3 — `CatalogCarousel` — scrollable grid with thumbnail + lock indicator
+
+## Phase 4 — `CustomisationPanel` — color/decal pickers updating picker state
+
+## Phase 5 — `CharacterVehiclePicker` — orchestrator + confirm flow
+
+## Phase 6 — Storybook stories for each component
+
+## Phase 7 — Pre-publish gate
+
+- [ ] `bunx turbo lint typecheck test --filter=@suaveplan/r3f-character-vehicle-picker` green
+- [ ] 100% coverage
+- [ ] Publish: `bun scripts/publish.ts --package @suaveplan/r3f-character-vehicle-picker`