refactor: date utils and all calls

src/actions/daily.ts

@@ -3,6 +3,7 @@
 import { dailyService } from '@/services/daily';
 import { UpdateDailyCheckboxData, DailyCheckbox, CreateDailyCheckboxData } from '@/lib/types';
 import { revalidatePath } from 'next/cache';
+import { getToday, getPreviousWorkday, parseDate, normalizeDate } from '@/lib/date-utils';
 
 /**
  * Toggle l'état d'une checkbox
@@ -19,7 +20,7 @@ export async function toggleCheckbox(checkboxId: string): Promise<{
     // (le front-end gère déjà l'état optimiste)
     
     // Récupérer toutes les checkboxes d'aujourd'hui et hier pour trouver celle à toggle
-    const today = new Date();
+    const today = getToday();
     const dailyView = await dailyService.getDailyView(today);
     
     let checkbox = dailyView.today.find(cb => cb.id === checkboxId);
@@ -57,7 +58,7 @@ export async function addCheckboxToDaily(dailyId: string, content: string, taskI
 }> {
   try {
     // Le dailyId correspond à la date au format YYYY-MM-DD
-    const date = new Date(dailyId);
+    const date = parseDate(dailyId);
     
     const newCheckbox = await dailyService.addCheckbox({
       date,
@@ -86,7 +87,7 @@ export async function addTodayCheckbox(content: string, type?: 'task' | 'meeting
 }> {
   try {
     const newCheckbox = await dailyService.addCheckbox({
-      date: new Date(),
+      date: getToday(),
       text: content,
       type: type || 'task',
       taskId
@@ -112,8 +113,7 @@ export async function addYesterdayCheckbox(content: string, type?: 'task' | 'mee
   error?: string;
 }> {
   try {
-    const yesterday = new Date();
-    yesterday.setDate(yesterday.getDate() - 1);
+    const yesterday = getPreviousWorkday(getToday());
     
     const newCheckbox = await dailyService.addCheckbox({
       date: yesterday,
@@ -209,8 +209,7 @@ export async function addTodoToTask(taskId: string, text: string, date?: Date):
   error?: string;
 }> {
   try {
-    const targetDate = date || new Date();
-    targetDate.setHours(0, 0, 0, 0);
+    const targetDate = normalizeDate(date || getToday());
 
     const checkboxData: CreateDailyCheckboxData = {
       date: targetDate,
@@ -243,7 +242,7 @@ export async function reorderCheckboxes(dailyId: string, checkboxIds: string[]):
 }> {
   try {
     // Le dailyId correspond à la date au format YYYY-MM-DD
-    const date = new Date(dailyId);
+    const date = parseDate(dailyId);
     
     await dailyService.reorderCheckboxes(date, checkboxIds);
     

src/actions/jira-export.ts

@@ -1,6 +1,7 @@
 'use server';
 
 import { getJiraAnalytics } from './jira-analytics';
+import { formatDateForDisplay, getToday } from '@/lib/date-utils';
 
 export type ExportFormat = 'csv' | 'json';
 
@@ -142,7 +143,7 @@ function generateCSV(analytics: JiraAnalytics): string {
   // Header du rapport
   lines.push('# Rapport Analytics Jira');
   lines.push(`# Projet: ${analytics.project.name} (${analytics.project.key})`);
-  lines.push(`# Généré le: ${new Date().toLocaleString('fr-FR')}`);
+  lines.push(`# Généré le: ${formatDateForDisplay(getToday(), 'DISPLAY_LONG')}`);
   lines.push(`# Total tickets: ${analytics.project.totalIssues}`);
   lines.push('');
 

src/actions/metrics.ts

@@ -1,6 +1,7 @@
 'use server';
 
 import { MetricsService, WeeklyMetricsOverview, VelocityTrend } from '@/services/metrics';
+import { getToday } from '@/lib/date-utils';
 import { revalidatePath } from 'next/cache';
 
 /**
@@ -12,7 +13,7 @@ export async function getWeeklyMetrics(date?: Date): Promise<{
   error?: string;
 }> {
   try {
-    const targetDate = date || new Date();
+    const targetDate = date || getToday();
     const metrics = await MetricsService.getWeeklyMetrics(targetDate);
     
     return {