feat: create tm-core and apps/cli (#1093)

- add typescript
- add npm workspaces

packages/tm-core/src/utils/index.ts

@@ -0,0 +1,44 @@
+/**
+ * @fileoverview Utility functions for the tm-core package
+ * This file exports all utility functions and helper classes
+ */
+
+// Utility implementations will be defined here
+// export * from './validation.js';
+// export * from './formatting.js';
+// export * from './file-utils.js';
+// export * from './async-utils.js';
+
+// Placeholder exports - these will be implemented in later tasks
+
+/**
+ * Generates a unique ID for tasks
+ * @deprecated This is a placeholder function that will be properly implemented in later tasks
+ */
+export function generateTaskId(): string {
+	return `task-${Date.now()}-${Math.random().toString(36).substring(2, 9)}`;
+}
+
+/**
+ * Validates a task ID format
+ * @deprecated This is a placeholder function that will be properly implemented in later tasks
+ */
+export function isValidTaskId(id: string): boolean {
+	return typeof id === 'string' && id.length > 0;
+}
+
+/**
+ * Formats a date for task timestamps
+ * @deprecated This is a placeholder function that will be properly implemented in later tasks
+ */
+export function formatDate(date: Date = new Date()): string {
+	return date.toISOString();
+}
+
+/**
+ * Deep clones an object
+ * @deprecated This is a placeholder function that will be properly implemented in later tasks
+ */
+export function deepClone<T>(obj: T): T {
+	return JSON.parse(JSON.stringify(obj));
+}