Markdown & JSON Reference

# My Project Board

Generated by Kanban Markdown schema v1.

<!-- KANBAN:STRUCTURED:START -->
```kanban-structured
{
  "version": 1,
  "board": {
    "id": "board-abc123",
    "title": "My Project Board"
  },
  "columns": [
    { "id": "col-1", "title": "Backlog",     "color": "#64748b", "order": 0 },
    { "id": "col-2", "title": "In Progress", "color": "#6366f1", "order": 1 },
    { "id": "col-3", "title": "Done",        "color": "#10b981", "order": 2 }
  ],
  "tasks": [
    {
      "id": "task-1",
      "columnId": "col-2",
      "position": 0,
      "title": "Build authentication flow",
      "description": "Implement JWT login, register, and token refresh.",
      "priority": "high",
      "tags": ["backend", "security"],
      "assigneeIds": ["member-uuid-1"],
      "mentionMemberIds": ["member-uuid-2"],
      "estimatePoints": 5,
      "dueDate": "2025-03-15",
      "plannedStartAt": "2025-03-10",
      "plannedEndAt": "2025-03-15",
      "timeboxMinutes": 90,
      "isCompleted": false,
      "archivedAt": null,
      "checklist": [
        { "title": "Design DB schema",   "isDone": true  },
        { "title": "Write unit tests",   "isDone": false },
        { "title": "Deploy to staging",  "isDone": false }
      ]
    }
  ]
}
```
<!-- KANBAN:STRUCTURED:END -->

<!-- KANBAN:CUSTOM:START -->
## Team Notes

- Sprint ends Friday
- Backend review at 3 PM

```mermaid
flowchart LR
  A[Backlog] --> B[In Progress] --> C[Done]
```
<!-- KANBAN:CUSTOM:END -->

"columns": [
  { "id": "col-1", "title": "To Do",       "color": "#64748b", "order": 0 },
  { "id": "col-2", "title": "In Progress", "color": "#6366f1", "order": 1 },
  { "id": "col-3", "title": "Review",      "color": "#f59e0b", "order": 2 },
  { "id": "col-4", "title": "Done",        "color": "#10b981", "order": 3 }
]

{
  "id": "task-abc",
  "columnId": "col-1",
  "position": 0,
  "title": "Write release notes",
  "description": "",
  "priority": "medium",
  "tags": [],
  "assigneeIds": [],
  "mentionMemberIds": [],
  "estimatePoints": null,
  "dueDate": null,
  "plannedStartAt": null,
  "plannedEndAt": null,
  "timeboxMinutes": null,
  "isCompleted": false,
  "archivedAt": null,
  "checklist": []
}

{
  "id": "task-xyz",
  "columnId": "col-2",
  "position": 0,
  "title": "Redesign checkout page",
  "description": "Full UX overhaul based on user research findings.",
  "priority": "critical",
  "tags": ["ux", "frontend", "q1-goal"],
  "assigneeIds": ["member-alice", "member-bob"],
  "mentionMemberIds": ["member-pm"],
  "estimatePoints": 8,
  "dueDate": "2025-04-01",
  "plannedStartAt": "2025-03-20",
  "plannedEndAt": "2025-04-01",
  "timeboxMinutes": 120,
  "isCompleted": false,
  "archivedAt": null,
  "checklist": [
    { "title": "User interviews",       "isDone": true  },
    { "title": "Wireframes approved",   "isDone": true  },
    { "title": "Implement components",  "isDone": false },
    { "title": "A/B test live",         "isDone": false }
  ]
}

"checklist": [
  { "title": "Design mockup",   "isDone": true  },
  { "title": "Code review",     "isDone": false },
  { "title": "Deploy to prod",  "isDone": false }
]

<!-- KANBAN:CUSTOM:START -->
## Sprint Notes

- Daily standup at 10:00 AM
- Backend API freeze on Friday

```mermaid
gantt
  title Sprint 12
  section Tasks
  Auth flow     :done, 2025-03-10, 3d
  Dashboard UI  :active, 2025-03-13, 4d
  API docs      :2025-03-17, 2d
```

> Reminder: update JIRA tickets before end of day.
<!-- KANBAN:CUSTOM:END -->

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  "columnId": "col-1",
  "position": 99,
  "title": "Old completed task",
  "archivedAt": "2025-01-10T14:30:00.000Z",
  ...
}

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    "tasksCreated": 3,
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  "diagnostics": [
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      "message": "Task 'task-xyz' references unknown column 'col-999'.",
      "line": 42,
      "severity": "error"
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    {
      "code": "duplicate_task_id",
      "message": "Task ID 'task-abc' is used more than once.",
      "line": 67,
      "severity": "error"
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