From aa74fd2bbcaf42f2befc670ad28908930c1df0c4 Mon Sep 17 00:00:00 2001
From: Matthieu <mtholot19@gmail.com>
Date: Thu, 21 May 2026 09:13:38 +0200
Subject: [PATCH] =?UTF-8?q?feat(workflow)=20:=20palette=20de=20cat=C3=A9go?=
 =?UTF-8?q?ries=20canonique=20+=20helper=20de=20contraste?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
---
 frontend/services/dto/workflow.ts | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/frontend/services/dto/workflow.ts b/frontend/services/dto/workflow.ts
index 783dd1f..a17fd08 100644
--- a/frontend/services/dto/workflow.ts
+++ b/frontend/services/dto/workflow.ts
@@ -10,6 +10,25 @@ export const STATUS_CATEGORY_LABEL: Record<StatusCategory, string> = {
     done: 'Terminé',
 }
 
+/** Palette canonique des catégories (couleurs « classiques »), indépendante des workflows. */
+export const STATUS_CATEGORY_COLOR: Record<StatusCategory, string> = {
+    todo: '#222783',
+    in_progress: '#4A90D9',
+    blocked: '#C62828',
+    review: '#FF8F00',
+    done: '#26A69A',
+}
+
+/** Renvoie '#1f2937' (foncé) ou '#ffffff' (blanc) selon la luminance du fond, pour rester lisible. */
+export function contrastText(hex: string): string {
+    const c = hex.replace('#', '')
+    const r = parseInt(c.slice(0, 2), 16)
+    const g = parseInt(c.slice(2, 4), 16)
+    const b = parseInt(c.slice(4, 6), 16)
+    const lum = (0.299 * r + 0.587 * g + 0.114 * b) / 255
+    return lum > 0.6 ? '#1f2937' : '#ffffff'
+}
+
 export type Workflow = {
     id: number
     '@id'?: string