---
title: "Asset Brief — {Class Name}"
description: "{One-line: which manifest category and D-235 axis (if any) this class covers}"
type: design
status: active
ticket: ""                    # e.g. "T-NNN" (the child story this brief gates)
decision_refs: []             # e.g. [D-235, D-244, D-257]
author: "Araminta"
created: YYYY-MM-DD
updated: YYYY-MM-DD
---

# Asset Brief — {Class Name}

One page. Gates the story below — a story with no linked brief does not enter
`in_progress`. Cite standing conventions/palette rows; do not restate them.

---

## 1. Scope

{Which manifest category (`furniture` | `props`, or "N/A — building-exterior
texture, no manifest entry") and which D-235 ObjectTag axis (wall/roof/facade/
street), if any. State plainly what this class IS and is NOT — e.g. "station
walls, not rural walls" — so the story can't scope-creep into a sibling
brief's territory.}

## 2. Visual Reference

{Cite `palette.md` §3's register row(s) for the relevant D-235 token(s) —
hue range, grain, weathering baseline — by tag name, no restating the table.
For classes with no D-235 token, cite `palette.md` §2 (toon default) or the
D-257 glazing carve-out if the class includes glass/polished metal. Note any
mood/reference touchstone specific to this class if palette.md doesn't
already cover it.}

## 3. Naming

{Cite `conventions.md` §1 (`<category>_<descriptor>.glb` model naming), §2
(mask sidecar, single-channel vs RGBA multi-region) if tintable, §4
(`footprint_tiles` manifest field) if multi-tile. Give 1-2 concrete example
filenames for this class. Note any class-specific naming wrinkle (e.g. door
state handling — §5's negative constraint) rather than inventing new rules.}

## 4. Generation Path

{The standing path: `/image-gen` concept → `/glb-gen` (Trellis) → Blender
postprocess → promotion into `client/assets/models/{furniture,props}/` +
`manifest.json` entry. Note class-specific concept-prompt guidance only if
it differs from the standard `/image-gen` style-guide block (toon-shaded,
near-white base, plain dark background, 3/4 front view). Note whether this
class instead runs the `textures.md` (PBR standalone) or `artwork.md` (flat
2D) pipeline if it's not a `.glb` model.}

## 5. Acceptance

{N starter assets entering `models.md` (or `textures.md`/`artwork.md`) and
`manifest.json` at `planned` status. List them by name if known, or state
the count + selection principle (e.g. "the generic fallback parent + 2
specific tokens"). Note the Q-119 milestone-0 caveat if relevant: generic
parents are milestone-0 IF Q-119 resolves yes — do not resolve Q-119 here.}

---

## Cross-References

- `docs/assets/visual/conventions.md` — naming/mask/footprint rules
- `docs/assets/visual/palette.md` — D-235 color/material register, toon/PBR treatment
- `docs/assets/visual/models.md` (or `textures.md`/`artwork.md`) — the catalog this brief feeds
- `client/assets/models/manifest.json` — the machine-readable registry
- `.claude/skills/glb-gen/SKILL.md`, `.claude/skills/image-gen/SKILL.md` — production pipeline