refactor: migrate to monorepo structure with Docker, PocketBase, and e2e tests

- Reorganize into apps/, packages/, docs/, e2e/, pocketbase/ directories
- Add Dockerfiles for web, worker, and PocketBase services
- Add docker-compose.yml for local orchestration
- Add turbo.json for monorepo task management
- Add Playwright e2e test infrastructure
- Add PocketBase backend with migrations
- Remove Vite/Next.js/ESLint/PostCSS config files
- Update package.json with workspace dependencies
- Add .env.example and .dockerignore

packages/shared/src/constants/index.ts

@@ -0,0 +1,68 @@
+// ── Task ─────────────────────────────────────────────────────────────────────
+
+export const TASK_STATUS = ['todo', 'in_progress', 'done', 'cancelled'] as const;
+export const TASK_PRIORITY = ['low', 'medium', 'high', 'urgent'] as const;
+
+// ── Habit ────────────────────────────────────────────────────────────────────
+
+export const HABIT_FREQUENCY = ['daily', 'weekly', 'custom'] as const;
+export const HABIT_DIFFICULTY = ['easy', 'medium', 'hard'] as const;
+export const HABIT_COMPLETION_MODE = ['quick', 'detailed'] as const;
+
+// ── Project ──────────────────────────────────────────────────────────────────
+
+export const PROJECT_STATUS = ['active', 'paused', 'archived'] as const;
+
+// ── Milestone ────────────────────────────────────────────────────────────────
+
+export const MILESTONE_STATUS = ['planned', 'in_progress', 'complete'] as const;
+
+// ── Report ───────────────────────────────────────────────────────────────────
+
+export const REPORT_TYPE = ['weekly', 'monthly', 'project', 'habit', 'custom'] as const;
+
+// ── Canvas ───────────────────────────────────────────────────────────────────
+
+export const CANVAS_MODE = ['freeform', 'graph'] as const;
+export const CANVAS_CARD_TYPE = ['note', 'task', 'image', 'entity'] as const;
+
+// ── Agent ────────────────────────────────────────────────────────────────────
+
+export const AGENT_PERMISSION_TIER = [
+  'full_access',
+  'read_only',
+  'content_creator',
+  'task_manager',
+  'custom',
+] as const;
+export const AGENT_STATUS = ['active', 'disabled'] as const;
+
+// ── System ───────────────────────────────────────────────────────────────────
+
+export const NOTIFICATION_TYPE = ['info', 'success', 'warning', 'error'] as const;
+export const QUEUE_JOB_STATUS = ['pending', 'in_progress', 'completed', 'failed'] as const;
+export const TIME_ENTRY_SOURCE = ['manual', 'timer', 'pomodoro'] as const;
+
+// ── Defaults ─────────────────────────────────────────────────────────────────
+
+export const DEFAULTS = {
+  TASK_PRIORITY: 'medium',
+  TASK_STATUS: 'todo',
+  HABIT_FREQUENCY: 'daily',
+  HABIT_DIFFICULTY: 'medium',
+  HABIT_COMPLETION_MODE: 'quick',
+  PROJECT_STATUS: 'active',
+  MILESTONE_STATUS: 'planned',
+  POMODORO_FOCUS_MINUTES: 25,
+  POMODORO_BREAK_MINUTES: 5,
+  MAX_FILE_SIZE: 5 * 1024 * 1024, // 5MB
+  MAX_RETRIES: 3,
+} as const;
+
+// ── Default Domains ──────────────────────────────────────────────────────────
+
+export const DEFAULT_DOMAINS = [
+  { name: 'personal', color: '#299667', icon: '🏠', sort_order: 0 },
+  { name: 'work', color: '#356bff', icon: '💼', sort_order: 1 },
+  { name: 'ots', color: '#ea7658', icon: '🛒', sort_order: 2 },
+] as const;