feat(layout): concentric ring layouts — hollow centres, symmetric discs, per-project shorthand

README.md

@@ -14,7 +14,7 @@
 
 **Wavegrid** is a modular, configuration-driven laser controller for arrays of Laser Space Cannons. It includes a grid state server, an artist-facing creative canvas, and OSC output adapters for BEYOND and FB4 hardware.
 
-Layouts are presets, not code: `grid-7x7`, `grid-7x2`, `ring-6`, `ring-25-filled`, or any custom shape. Everything — projects, config, secrets, users, state, logs — lives in one centralized store (`~/.wavegrid`), managed entirely through the CLI.
+Layouts are configuration, not code: `grid-7x7`, `grid-7x2`, `ring-6`, `ring-25-hollow`, or any custom shape. Everything — projects, config, secrets, users, state, logs — lives in one centralized store (`~/.wavegrid`), managed entirely through the CLI.
 
 ## Running a Show (operators)
 
@@ -54,7 +54,7 @@ pnpm build
 |---------|------|-------------|
 | `packages/server` | `@wavegrid/server` | Grid state engine and master controller UI |
 | `packages/ui` | `@wavegrid/ui` | Artist UI — Paint, Gradient, Drops, Motion, Scenes, Animations, Flags, Brightness, Audio |
-| `packages/layout` | `@wavegrid/layout` | Layout model — presets, fixture generators (grid/ring/filledRing), config resolution |
+| `packages/layout` | `@wavegrid/layout` | Layout model — presets, fixture generators (grid/ring/rings/filledRing), config resolution |
 | `packages/settings` | `@wavegrid/settings` | Centralized appstash store — projects, secrets, users, state, logs |
 | `packages/doctor` | `@wavegrid/doctor` | Diagnostics as data — the checks behind `wavegrid doctor` and the desktop Status screen |
 | `packages/cli` | `@wavegrid/cli` | `wavegrid` CLI — projects, settings, start, doctor |
@@ -104,12 +104,18 @@ Operators don't run these — they use `wavegrid start` (see [Running a Show](#r
 
 ## Layouts
 
-The physical arrangement is a **layout preset** stored in the project — never code. Built-in presets: `grid-7x7`, `grid-7x2`, `ring-6`, `ring-25-filled`. Pick one at `wavegrid projects create`, or change it later:
+The physical arrangement is a **layout** stored in the project — never code. Built-in presets: `grid-7x7`, `grid-7x2`, `ring-6`, `ring-25-filled`, `ring-25-hollow`, `disc-25`. Pick one at `wavegrid projects create`, or change it later:
 
 ```sh
-wavegrid projects config set layout grid-7x7   # or ring-6, ring-25-filled, …
+wavegrid projects config set layout grid-7x7        # a built-in preset
+wavegrid projects config set layout grid:9x4        # cols × rows
+wavegrid projects config set layout ring:6          # one ring
+wavegrid projects config set layout annulus:25@0.5  # rings with a hole in the middle
+wavegrid projects config set layout rings:12,8,4,1  # explicit rings, outermost first
 ```
 
+Round rigs are concentric rings: one ring is a ring, a ring plus smaller ones inside it is a ring with a hollow centre, and rings all the way in to a centre fixture is a symmetric disc. `annulus` picks the rings for you from a cannon count and the size of the hole (`0` = solid disc).
+
 The server resolves the layout once and broadcasts it; the UI and receiver render from it — no per-process `NUM_CANNONS`/`GRID_COLUMNS` to keep in sync. The project *name* is just a label — the preset controls the shape.
 
 ## Sharding

packages/cli/README.md

@@ -130,4 +130,13 @@ via walk-up search (`wavegrid.json`, `.wavegridrc`, `package.json` keys,
 }
 ```
 
-Built-in presets: `grid-7x7`, `grid-7x2`, `ring-6`, `ring-25-filled`.
+Built-in presets: `grid-7x7`, `grid-7x2`, `ring-6`, `ring-25-filled`, `ring-25-hollow`, `disc-25`.
+
+`layout` also takes shorthand for a custom shape, so a project can map its own rig without editing JSON:
+
+```sh
+wavegrid projects config set layout grid:9x4        # cols × rows
+wavegrid projects config set layout ring:6          # one ring
+wavegrid projects config set layout annulus:25@0.5  # concentric rings, hole in the middle (0 = solid disc)
+wavegrid projects config set layout rings:12,8,4,1  # explicit rings, outermost first
+```

packages/cli/__tests__/config-set.test.ts

@@ -51,12 +51,22 @@ describe('runConfigSet', () => {
     expect(store.getProjectConfig('p')?.server).toEqual({ host: '10.0.0.1', port: 3000 });
   });
 
-  it('rejects an unknown preset without writing', async () => {
+  it('accepts shorthand for a custom shape', async () => {
+    isolate();
+    const store = getStore();
+    store.createProject('p', { layout: { preset: 'grid-7x7' } });
+
+    await runConfigSet('layout', 'annulus:25@0.4', {});
+
+    expect(store.getProjectConfig('p')?.layout).toEqual({ kind: 'annulus', count: 25, innerRadius: 0.4 });
+  });
+
+  it('rejects an unknown layout without writing', async () => {
     isolate();
     const store = getStore();
     store.createProject('p', { layout: { preset: 'ring-6' } });
 
-    await expect(runConfigSet('layout', 'nope', {})).rejects.toThrow(/Unknown preset/);
+    await expect(runConfigSet('layout', 'nope', {})).rejects.toThrow(/Unknown layout/);
     expect(store.getProjectConfig('p')?.layout).toEqual({ preset: 'ring-6' });
   });
 

packages/cli/src/commands/config-set.ts

@@ -1,4 +1,4 @@
-import { resolveLayout, type WavegridConfig } from '@wavegrid/layout';
+import { LAYOUT_SPEC_FORMS, parseLayoutSpec, resolveLayout, type WavegridConfig } from '@wavegrid/layout';
 import type { Inquirerer, Question } from 'inquirerer';
 import c from 'yanse';
 
@@ -8,12 +8,11 @@ import { type Flags, getStore, resolveProjectName } from '../project';
 /** Settable config keys and how each maps into the stored project config. */
 const SETTERS: Record<string, (config: Partial<WavegridConfig>, value: string) => void> = {
   layout: (config, value) => {
-    if (!knownPresets().includes(value)) {
-      throw new Error(`Unknown preset "${value}". Known: ${knownPresets().join(', ')}.`);
-    }
-    // Validate the preset actually resolves before persisting.
-    resolveLayout({ preset: value });
-    config.layout = { preset: value };
+    // A preset id, or shorthand for a custom shape ("annulus:25@0.4").
+    const spec = parseLayoutSpec(value);
+    // Validate it actually resolves before persisting.
+    resolveLayout(spec);
+    config.layout = spec;
   },
   mode: (config, value) => {
     if (value !== 'auto' && value !== 'simple' && value !== 'distributed') {
@@ -41,7 +40,7 @@ SETTERS.preset = SETTERS.layout;
 
 /** Canonical, user-facing keys (aliases like `preset` are accepted but hidden). */
 const KEY_CHOICES = [
-  { value: 'layout', description: 'Layout preset (grid/ring/filled ring)' },
+  { value: 'layout', description: 'Layout: a preset id or shorthand (grid/ring/annulus/rings)' },
   { value: 'mode', description: 'Run mode: auto | simple | distributed' },
   { value: 'port', description: 'Server port' },
   { value: 'host', description: 'Server host/bind address' },
@@ -68,7 +67,13 @@ function intOrThrow(key: string, value: string): number {
 async function promptValue(prompter: Inquirerer, key: string): Promise<string> {
   let question: Question;
   if (key === 'layout' || key === 'preset') {
-    question = { type: 'autocomplete', name: 'value', message: 'Layout preset', options: knownPresets(), required: true };
+    question = {
+      type: 'autocomplete',
+      name: 'value',
+      message: `Layout (preset, or ${LAYOUT_SPEC_FORMS.slice(1).join(' | ')})`,
+      options: knownPresets(),
+      required: true
+    };
   } else if (key === 'mode') {
     question = { type: 'list', name: 'value', message: 'Run mode', options: ['auto', 'simple', 'distributed'], required: true };
   } else if (key === 'port' || key === 'ui-port') {

packages/cli/src/commands/doctor.ts

@@ -1,11 +1,11 @@
-import { loadWavegridConfig } from '@wavegrid/layout';
 import {
   type Check,
   checkEnvHijack,
   collectDiagnostics,
   type Diagnostics,
   overallStatus
 } from '@wavegrid/doctor';
+import { loadWavegridConfig } from '@wavegrid/layout';
 import { formatRanges, type SystemStatus } from '@wavegrid/server';
 import c from 'yanse';
 

packages/cli/src/commands/init.ts

@@ -36,7 +36,7 @@ export async function runInit(argv: RawArgv, prompter: Inquirerer): Promise<stri
       type: 'list',
       name: 'shape',
       message: 'Layout shape',
-      options: ['preset', 'grid', 'ring', 'filledRing'],
+      options: ['preset', 'grid', 'ring', 'annulus', 'rings', 'filledRing'],
       default: 'preset'
     },
     {
@@ -66,7 +66,22 @@ export async function runInit(argv: RawArgv, prompter: Inquirerer): Promise<stri
       name: 'count',
       message: 'Number of cannons',
       default: 6,
-      when: (a: Partial<FullInitAnswers>) => a.shape === 'ring' || a.shape === 'filledRing'
+      when: (a: Partial<FullInitAnswers>) =>
+        a.shape === 'ring' || a.shape === 'filledRing' || a.shape === 'annulus'
+    },
+    {
+      type: 'number',
+      name: 'innerRadius',
+      message: 'Hole in the middle, 0–1 (0 = solid disc)',
+      default: 0.5,
+      when: (a: Partial<FullInitAnswers>) => a.shape === 'annulus'
+    },
+    {
+      type: 'text',
+      name: 'ringCounts',
+      message: 'Cannons per ring, outermost first (e.g. 12,8,4,1)',
+      default: '12,8,4,1',
+      when: (a: Partial<FullInitAnswers>) => a.shape === 'rings'
     },
     {
       type: 'list',

packages/cli/src/config-file.ts

@@ -1,18 +1,22 @@
-import { getPresetNames, type LayoutSpec, resolveLayout, type WavegridConfig } from '@wavegrid/layout';
+import { getPresetNames, type LayoutSpec, parseLayoutSpec, resolveLayout, type WavegridConfig } from '@wavegrid/layout';
 import { existsSync, readFileSync } from 'fs';
 import { dirname, join, resolve } from 'path';
 
 // confstash discovers `wavegrid.json` (and `.wavegridrc*`) via walk-up search.
 export const CONFIG_FILENAME = 'wavegrid.json';
 
-export type ShapeKind = 'preset' | 'grid' | 'ring' | 'filledRing';
+export type ShapeKind = 'preset' | 'grid' | 'ring' | 'filledRing' | 'annulus' | 'rings';
 
 export interface InitAnswers {
   shape: ShapeKind;
   preset?: string;
   cols?: number;
   rows?: number;
   count?: number;
+  /** annulus: size of the hole in the middle, 0..1. */
+  innerRadius?: number;
+  /** rings: fixture counts outermost-first, e.g. "12,8,4,1". */
+  ringCounts?: string;
   id?: string;
   name?: string;
   mode: 'auto' | 'simple' | 'distributed';
@@ -41,6 +45,14 @@ export function buildLayoutSpec(a: InitAnswers): LayoutSpec {
   case 'filledRing':
     if (a.count == null) throw new Error('filledRing shape requires count');
     return { kind: 'filledRing', count: a.count, id: a.id, name: a.name };
+  case 'annulus': {
+    if (a.count == null) throw new Error('annulus shape requires count');
+    const inner = a.innerRadius ?? 0.5;
+    return { ...parseLayoutSpec(`annulus:${a.count}@${inner}`), id: a.id, name: a.name };
+  }
+  case 'rings':
+    if (!a.ringCounts) throw new Error('rings shape requires ringCounts');
+    return { ...parseLayoutSpec(`rings:${a.ringCounts}`), id: a.id, name: a.name };
   default:
     throw new Error(`unknown shape "${String(a.shape)}"`);
   }

packages/desktop/__tests__/light-map.test.ts

@@ -56,8 +56,8 @@ describe('buildLightMapView', () => {
     expect(view.rows[0].corrected).toBe(true);
     expect(view.rows[2].corrected).toBe(false);
     expect(view.identity).toBe(false);
-    // rings only ever get identity + reverse.
-    expect(view.strategies.map((s) => s.id)).toEqual(['identity', 'reverse']);
+    // a ring gets the order strategies, never the grid ones.
+    expect(view.strategies.map((s) => s.id)).toEqual(['identity', 'reverse', 'ringCounterClockwise']);
     // no OSC target configured → console.
     expect(view.rows[0].oscTarget).toMatch(/console/);
   });

packages/desktop/__tests__/project-config.test.ts

@@ -0,0 +1,43 @@
+import { applyEditable, buildLayoutSpec, toEditable } from '@/main/project-config';
+
+describe('buildLayoutSpec', () => {
+  it('builds the round shapes the wizard offers', () => {
+    expect(buildLayoutSpec({ kind: 'annulus', count: 25, innerRadius: 0.4 })).toEqual({
+      kind: 'annulus',
+      count: 25,
+      innerRadius: 0.4
+    });
+    const rings = buildLayoutSpec({ kind: 'rings', ringCounts: '12,8,4,1' });
+    expect(rings.kind).toBe('rings');
+    expect(rings.rings?.map((r) => r.count)).toEqual([12, 8, 4, 1]);
+  });
+
+  it('rejects an incomplete or unparseable choice with a user-facing message', () => {
+    expect(() => buildLayoutSpec({ kind: 'annulus' })).toThrow(/cannon count/);
+    expect(() => buildLayoutSpec({ kind: 'rings', ringCounts: '  ' })).toThrow(/cannons per ring/i);
+    expect(() => buildLayoutSpec({ kind: 'rings', ringCounts: '12,nope' })).toThrow(/whole number/);
+    expect(() => buildLayoutSpec({ kind: 'annulus', count: 25, innerRadius: 1 })).toThrow(/innerRadius/);
+  });
+});
+
+describe('editable round-trip', () => {
+  it('keeps an annulus intact through the editor', () => {
+    const stored = applyEditable(null, {
+      ...toEditable({ layout: { kind: 'annulus', count: 25, innerRadius: 0.5 } }),
+      layout: { kind: 'annulus', count: 25, innerRadius: 0.5 }
+    });
+    const editable = toEditable(stored);
+    expect(editable.layout).toEqual({ kind: 'annulus', count: 25, innerRadius: 0.5 });
+    expect(editable.cannonCount).toBe(25);
+  });
+
+  it('shows a rings layout back as its shorthand, outermost first', () => {
+    const stored = applyEditable(null, {
+      ...toEditable(null),
+      layout: { kind: 'rings', ringCounts: '12,8,4,1' }
+    });
+    const editable = toEditable(stored);
+    expect(editable.layout).toEqual({ kind: 'rings', ringCounts: '12,8,4,1' });
+    expect(editable.cannonCount).toBe(25);
+  });
+});

packages/desktop/src/main/project-config.ts

@@ -5,6 +5,7 @@ import {
   DEFAULT_CONFIG,
   getPresetNames,
   type LayoutSpec,
+  parseLayoutSpec,
   resolveLayout,
   type WavegridConfig
 } from '@wavegrid/layout';
@@ -32,6 +33,14 @@ export function buildLayoutSpec(choice: LayoutChoice): LayoutSpec {
       throw new Error(`A ${choice.kind} layout needs a cannon count.`);
     }
     spec = { kind: choice.kind, count: choice.count };
+  } else if (choice.kind === 'annulus') {
+    if (choice.count == null) throw new Error('An annulus layout needs a cannon count.');
+    spec = { kind: 'annulus', count: choice.count, innerRadius: choice.innerRadius ?? 0.5 };
+  } else if (choice.kind === 'rings') {
+    if (!choice.ringCounts?.trim()) {
+      throw new Error('A rings layout needs cannons per ring, e.g. 12,8,4,1.');
+    }
+    spec = parseLayoutSpec(`rings:${choice.ringCounts.trim()}`);
   } else {
     throw new Error('Pick a preset or a custom shape for the layout.');
   }
@@ -43,7 +52,21 @@ export function buildLayoutSpec(choice: LayoutChoice): LayoutSpec {
 function specToChoice(spec: LayoutSpec | undefined): LayoutChoice {
   if (!spec) return { preset: DEFAULT_CONFIG.layout.preset };
   if (spec.preset) return { preset: spec.preset };
-  return { kind: spec.kind, cols: spec.cols, rows: spec.rows, count: spec.count };
+  if (spec.kind === 'rings') {
+    // Round-trip the ring list back into the shorthand the editor binds to.
+    const counts = [...(spec.rings ?? [])]
+      .sort((a, b) => b.radius - a.radius)
+      .map(r => r.count)
+      .join(',');
+    return { kind: 'rings', ringCounts: counts };
+  }
+  return {
+    kind: spec.kind,
+    cols: spec.cols,
+    rows: spec.rows,
+    count: spec.count,
+    innerRadius: spec.innerRadius
+  };
 }
 
 /** Build the ProjectConfig persisted for a brand-new project. Mirrors the CLI's