"chore(claude-code): configurar permisos compartidos del proyecto

- settings.json: deny patterns críticos (rm -rf root, force push, etc.)
- settings.local.json en gitignore — cada dev configura sus allows

Refs: methodology/PATTERNS.md B.4 (reglas no negociables en repo)

src/lib/export/pdf-sections.ts

@@ -1,12 +1,17 @@
 import { formatCurrency, formatMinutes, formatSimulationTimestamp } from '@/lib/format'
 import type { SimulationResult, Process } from '@/domain/types'
+import { PDF_COLORS, type DocLike } from './pdf-sections-shared'
+
+// Re-exportar DocLike para compatibilidad de imports existentes (pdf-sections-roi, tests)
+export type { DocLike } from './pdf-sections-shared'
 
 // Unidades: mm. A4 = 210 × 297mm, márgenes 20mm, área útil 170 × 257mm
+// PDF.blue eliminado en Etapa 4 — usar PDF_COLORS.inqOrange del módulo compartido
 export const PDF = {
   pageW: 210, pageH: 297,
   margin: 20,
   contentW: 170,
-  blue: [30, 64, 175] as [number, number, number],
+  inqOrange: PDF_COLORS.inqOrange,
   slate900: [15, 23, 42] as [number, number, number],
   slate700: [51, 65, 85] as [number, number, number],
   slate500: [100, 116, 139] as [number, number, number],
@@ -17,25 +22,6 @@ export const PDF = {
   heatHigh: [239, 68, 68] as [number, number, number],
 }
 
-// Tipo mínimo de doc para los helpers (evitar importar jsPDF en este archivo)
-export type DocLike = {
-  setFont: (name: string, style: string) => void
-  setFontSize: (size: number) => void
-  setTextColor: (...args: number[]) => void
-  setFillColor: (...args: number[]) => void
-  setDrawColor: (...args: number[]) => void
-  setLineWidth: (w: number) => void
-  text: (text: string | string[], x: number, y: number, opts?: Record<string, unknown>) => void
-  rect: (x: number, y: number, w: number, h: number, style?: string) => void
-  roundedRect: (x: number, y: number, w: number, h: number, rx: number, ry: number, style?: string) => void
-  line: (x1: number, y1: number, x2: number, y2: number) => void
-  addImage: (img: string, format: string, x: number, y: number, w: number, h: number) => void
-  addPage: () => void
-  setPage: (page: number) => void
-  internal: { getNumberOfPages: () => number }
-  splitTextToSize: (text: string, maxWidth: number) => string[]
-}
-
 export function drawHeader(doc: DocLike, process: Process, simulatedAt: number): number {
   let y = PDF.margin
 
@@ -109,7 +95,7 @@ export function drawKpiCards(
     // Valor grande
     doc.setFont('helvetica', 'bold')
     doc.setFontSize(card.value.length > 16 ? 9 : 12)
-    doc.setTextColor(card.accent ? PDF.blue[0] : PDF.slate900[0], card.accent ? PDF.blue[1] : PDF.slate900[1], card.accent ? PDF.blue[2] : PDF.slate900[2])
+    doc.setTextColor(...(card.accent ? PDF.inqOrange : PDF.slate900))
     doc.text(card.value, x + 4, y + 16)
 
     maxY = Math.max(maxY, y + cardH)