Remove legacy Eidos CSS layout fallback

continue.md

@@ -97,6 +97,23 @@ Actualizacion Eidos CSS entry guard 2026-05-17:
   - `npx vitest run src/uix/eidos/recipe-css-contract.test.ts` -> 6 tests OK.
   - `npm run check` -> 0 errores, 0 warnings.
 
+Actualizacion Eidos legacy layout guard 2026-05-17:
+
+- `lint.test.ts` elimina fallback al layout CSS raiz retirado
+  (`components/{name}.css`) y anade guardia explicita: todo CSS de componente
+  debe vivir en `components/{name}/{name}.css`.
+- Limpieza de comentarios stale:
+  - `events.css` referencia `EngineSemantic`, no `SemanticEngine`.
+  - `toast.css` deja de hablar de "phase 2".
+  - `components/README.md` corrige "retiraled".
+- Validado:
+  - `npx vitest run src/uix/eidos/lint.test.ts src/uix/eidos/recipe-css-contract.test.ts`
+    -> 2 archivos, 20 tests OK.
+  - `rg "retiraled|SemanticEngine|phase 2|older flat|flat layout still" src/uix/eidos`
+    -> 0 resultados.
+  - `npx vitest run src/uix/eidos` -> 7 archivos, 84 tests OK.
+  - `npm run check` -> 0 errores, 0 warnings.
+
 Actualizacion Eidos config audit 2026-05-17:
 
 - Resuelta la parte no-componente de la auditoria consolidada de

src/uix/eidos/components/README.md

@@ -330,7 +330,7 @@ si un alias publico queda sin consumidor real, el test
 
 ---
 
-## Forma legacy (CSS-only, retiraled)
+## Forma legacy (CSS-only, retired)
 
 Hubo una fase anterior cuando eidos sólo emitía CSS (`accordion.css`,
 `dialog.css`, etc., al nivel raíz de `components/`). Todos los

src/uix/eidos/components/toast/toast.css

@@ -1,5 +1,5 @@
 /**
- * Eidos — Toast component recipe (phase 2).
+ * Eidos — Toast component recipe.
  *
  * Translated from `air/components/toast/toast.css` with substantive
  * remapping: air's part naming and intent vocabulary differ from the

src/uix/eidos/events.css

@@ -19,7 +19,7 @@
  *   - signal / shift / sustain: 600ms
  *   - contact: 120ms
  * Authors override per signal via `signal.hold`, or globally via
- * `new SemanticEngine({ visual: { defaultHold } })`.
+ * `new EngineSemantic({ visual: { defaultHold } })`.
  *
  * Even with the configured hold, prefer `animation: @keyframes` over
  * `transition` for the visible response: the animation runs to completion

src/uix/eidos/lint.test.ts

@@ -9,24 +9,12 @@ import { toggleMorfo } from '../morfo/components/toggle'
 import { lintEidosCss } from './lint'
 
 function readEidos(name: string): string {
-	// Components migrated to subfolder layout (e.g. toggle/) live at
-	// `components/{name}/{name}.css`; older flat layout still uses
-	// `components/{name}.css`. Try the subfolder first, fall back to flat.
-	const subfolderPath = resolve(`src/uix/eidos/components/${name}/${name}.css`)
-	const flatPath = resolve(`src/uix/eidos/components/${name}.css`)
-	try {
-		return readFileSync(subfolderPath, 'utf-8')
-	} catch {
-		return readFileSync(flatPath, 'utf-8')
-	}
+	return readFileSync(resolve(`src/uix/eidos/components/${name}/${name}.css`), 'utf-8')
 }
 
 function listEidosCssComponents(): string[] {
 	const eidosDir = resolve('src/uix/eidos/components')
 	return readdirSync(eidosDir, { withFileTypes: true }).flatMap((entry) => {
-		if (entry.isFile() && entry.name.endsWith('.css')) {
-			return [entry.name.replace(/\.css$/, '')]
-		}
 		if (!entry.isDirectory()) return []
 
 		const cssPath = resolve(eidosDir, entry.name, `${entry.name}.css`)
@@ -34,7 +22,19 @@ function listEidosCssComponents(): string[] {
 	})
 }
 
+function listRootCssFiles(): string[] {
+	const eidosDir = resolve('src/uix/eidos/components')
+	return readdirSync(eidosDir, { withFileTypes: true })
+		.filter((entry) => entry.isFile() && entry.name.endsWith('.css'))
+		.map((entry) => entry.name)
+		.sort()
+}
+
 describe('eidos component contract coverage', () => {
+	it('keeps component CSS inside component subdirectories', () => {
+		expect(listRootCssFiles()).toEqual([])
+	})
+
 	it('has a morfo file for every eidos CSS component', () => {
 		const missing = listEidosCssComponents().filter(
 			(name) => !existsSync(resolve(`src/uix/morfo/components/${name}.ts`))