Release v0.2.0 — Canvas Engine + Detail Intelligence · Cuvara/game-art-mcp

What's New

14 canvas MCP tools (art.canvas.*) — AI paints pixel art directly using drawing primitives
Server-side PixelCanvas with line, rect, circle, fill, noise, dither, voronoi, polygon, gradient, symmetry, outline, stamp, shading
Deterministic PRNG (mulberry32) for reproducible procedural textures
Auto-save to drafts/ with file-based Studio bridge

16 detail MCP tools (art.detail.*, art.critic.*)
DetailPassEngine — 12-pass pipeline: reference → silhouette → base → shadow → form → material → texture → micro detail → cleanup → critique → refine → QA
7 texture generators: noise-cluster, voronoi, directional-grain, crack, speckle, cavity, edge-breakup
PixelClusterEngine — cluster detection, merge orphans, expand/erode, shape templates
MaskEngine — silhouette/shadow/highlight masks, boolean ops, focal density maps
ArtCritic — 12-dimension spatial scoring with actionable refinement plans
11 material profiles (stone, wood, metal, grass, dirt, water, leather, cloth, skin, ice, magic)
8 detail profiles (low/medium/high/hero/boss/tile/item)
DetailBudget + DetailCeiling for anti-overdetail protection

Live Canvas PiP — floating preview shows selected asset OR active canvas session
Detail Inspector tab — score breakdown, pass timeline, art plan, critique issues
Auto-open — canvas sessions auto-select in editor when AI draws
Size presets in create dialog (per asset type)
Relative time display on assets
Save to workspace button in PiP
Reference board X button fix

12 pixel art assets generated: rocks (5 variants), tree, bush, cottages (4 iterations)
Full registry with YAML metadata
QA results, production manifests, reference analyses

None — fully backward compatible.