feat: overhaul TODO.md and enhance Kanban components

- Updated TODO.md to reflect the new project structure and phases, marking several tasks as completed.
- Enhanced Kanban components with a tech-inspired design, including new styles for columns and task cards.
- Removed the obsolete reminders service and task processor, streamlining the codebase for better maintainability.
- Introduced a modern API for task management, including CRUD operations and improved error handling.
- Updated global styles for a cohesive dark theme and added custom scrollbar styles.

lib/config.ts

@@ -1,41 +1,37 @@
 /**
- * Configuration de l'application TowerControl
+ * Configuration de l'application TowerControl (version standalone)
  */
 
 export interface AppConfig {
-  reminders: {
-    targetList: string;
-    syncInterval: number; // en minutes
-    enabledLists: string[];
+  app: {
+    name: string;
+    version: string;
   };
-  jira: {
-    baseUrl?: string;
-    username?: string;
-    apiToken?: string;
-    projects: string[];
+  ui: {
+    theme: 'light' | 'dark' | 'system';
+    itemsPerPage: number;
   };
-  sync: {
-    autoSync: boolean;
-    batchSize: number;
+  features: {
+    enableDragAndDrop: boolean;
+    enableNotifications: boolean;
+    autoSave: boolean;
   };
 }
 
 // Configuration par défaut
 const defaultConfig: AppConfig = {
-  reminders: {
-    targetList: process.env.REMINDERS_TARGET_LIST || 'Boulot',
-    syncInterval: parseInt(process.env.REMINDERS_SYNC_INTERVAL || '15'),
-    enabledLists: (process.env.REMINDERS_ENABLED_LISTS || 'Boulot').split(',')
+  app: {
+    name: 'TowerControl',
+    version: '2.0.0'
   },
-  jira: {
-    baseUrl: process.env.JIRA_BASE_URL,
-    username: process.env.JIRA_USERNAME,
-    apiToken: process.env.JIRA_API_TOKEN,
-    projects: (process.env.JIRA_PROJECTS || '').split(',').filter(p => p.length > 0)
+  ui: {
+    theme: (process.env.NEXT_PUBLIC_THEME as 'light' | 'dark' | 'system') || 'system',
+    itemsPerPage: parseInt(process.env.NEXT_PUBLIC_ITEMS_PER_PAGE || '50')
   },
-  sync: {
-    autoSync: process.env.AUTO_SYNC === 'true',
-    batchSize: parseInt(process.env.SYNC_BATCH_SIZE || '50')
+  features: {
+    enableDragAndDrop: process.env.NEXT_PUBLIC_ENABLE_DRAG_DROP !== 'false',
+    enableNotifications: process.env.NEXT_PUBLIC_ENABLE_NOTIFICATIONS === 'true',
+    autoSave: process.env.NEXT_PUBLIC_AUTO_SAVE !== 'false'
   }
 };
 
@@ -46,33 +42,11 @@ export function getConfig(): AppConfig {
   return defaultConfig;
 }
 
-/**
- * Récupère la liste cible des rappels
- */
-export function getTargetRemindersList(): string {
-  return getConfig().reminders.targetList;
-}
-
-/**
- * Récupère les listes autorisées pour la synchronisation
- */
-export function getEnabledRemindersLists(): string[] {
-  return getConfig().reminders.enabledLists;
-}
-
-/**
- * Vérifie si une liste est autorisée pour la synchronisation
- */
-export function isListEnabled(listName: string): boolean {
-  const enabledLists = getEnabledRemindersLists();
-  return enabledLists.includes(listName);
-}
-
 /**
  * Configuration pour le développement/debug
  */
 export const DEBUG_CONFIG = {
-  logAppleScript: process.env.NODE_ENV === 'development',
-  mockData: process.env.USE_MOCK_DATA === 'true',
-  verboseLogging: process.env.VERBOSE_LOGGING === 'true'
+  isDevelopment: process.env.NODE_ENV === 'development',
+  verboseLogging: process.env.VERBOSE_LOGGING === 'true',
+  enableDevTools: process.env.NODE_ENV === 'development'
 };