qzl
44 lines
1.4 KiB
Markdown
44 lines
1.4 KiB
Markdown
# Todo Data Protocol
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## Scope
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Defines the backend/frontend data contract for `/api/v1/todos`.
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## Field Definitions
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- `id`: string (UUID)
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- `owner_id`: string (UUID)
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- `title`: string, `1..255`
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- `description`: string or `null`, max `1000`
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- `priority`: int, quadrant value in `[1, 4]`
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- `order`: int, zero-based ordering inside the same `priority` bucket, `>= 0`
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- `status`: enum string: `pending | done | canceled`
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- `completed_at`: datetime string or `null`
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- `created_at`: datetime string
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- `updated_at`: datetime string
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- `schedule_items`: array
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## Request Contracts
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### Create Todo (`POST /api/v1/todos`)
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- required: `title`
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- optional: `description`, `priority`, `order`, `schedule_item_ids`
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- `order` omitted: backend assigns append position in the target quadrant.
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### Update Todo (`PATCH /api/v1/todos/{todo_id}`)
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- optional: `title`, `description`, `priority`, `order`, `status`, `schedule_item_ids`
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- `order` is interpreted inside the todo's final `priority` quadrant.
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## Ordering Rules
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- Todo list API returns items sorted by `priority ASC`, then `order ASC`.
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- Drag reorder in same quadrant updates `order` to a continuous sequence starting from `0`.
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- Drag move across quadrants updates both `priority` and `order`, and source/target quadrants should both stay contiguous from `0`.
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## Compatibility Notes
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- `due_at` is removed from todo protocol.
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- Clients must not send or depend on `due_at` for todo ordering.
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