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

- add typescript
- add npm workspaces

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

@@ -0,0 +1,75 @@
+/**
+ * @fileoverview Constants for Task Master Core
+ * Single source of truth for all constant values
+ */
+
+import type {
+	TaskStatus,
+	TaskPriority,
+	TaskComplexity
+} from '../types/index.js';
+
+/**
+ * Valid task status values
+ */
+export const TASK_STATUSES: readonly TaskStatus[] = [
+	'pending',
+	'in-progress',
+	'done',
+	'deferred',
+	'cancelled',
+	'blocked',
+	'review'
+] as const;
+
+/**
+ * Valid task priority values
+ */
+export const TASK_PRIORITIES: readonly TaskPriority[] = [
+	'low',
+	'medium',
+	'high',
+	'critical'
+] as const;
+
+/**
+ * Valid task complexity values
+ */
+export const TASK_COMPLEXITIES: readonly TaskComplexity[] = [
+	'simple',
+	'moderate',
+	'complex',
+	'very-complex'
+] as const;
+
+/**
+ * Valid output formats for task display
+ */
+export const OUTPUT_FORMATS = ['text', 'json', 'compact'] as const;
+export type OutputFormat = (typeof OUTPUT_FORMATS)[number];
+
+/**
+ * Status icons for display
+ */
+export const STATUS_ICONS: Record<TaskStatus, string> = {
+	done: '✓',
+	'in-progress': '►',
+	blocked: '⭕',
+	pending: '○',
+	deferred: '⏸',
+	cancelled: '✗',
+	review: '👁'
+} as const;
+
+/**
+ * Status colors for display (using chalk color names)
+ */
+export const STATUS_COLORS: Record<TaskStatus, string> = {
+	pending: 'yellow',
+	'in-progress': 'blue',
+	done: 'green',
+	deferred: 'gray',
+	cancelled: 'red',
+	blocked: 'magenta',
+	review: 'cyan'
+} as const;