feat: add wirings - view and ui

docs/PLAN.md

@@ -46,27 +46,24 @@ src/
 ├── ports.ts                     # IFileSystem, ITaskRepository, IConfigProvider
 ├── error.ts                     # AppErrorVariant + AppError { variant, message }
 ├── model/task.ts
-├── storage/
-│   ├── FsTaskRepository.ts
-│   ├── NodeFileSystem.ts
-│   └── VscodeConfigProvider.ts
-├── commands/                    # use-cases без vscode UI
-│   ├── createTask.ts
-│   ├── openTask.ts
-│   ├── deleteTask.ts
-│   └── changeStatus.ts
-├── dashboard/                   # filter/group/view + inbound message parse
+├── storage/                     # infrastructure adapters
+├── commands/                    # use-cases (no vscode)
+├── dashboard/                   # pure view-model helpers
+├── ui/                          # thin vscode adapters (input/quickpick/errors)
+│   ├── presentError.ts
+│   ├── resolveTaskId.ts
+│   ├── taskLabels.ts
+│   └── taskCommands.ts          # register + run* handlers
 ├── views/
-│   └── taskTreeProvider.ts      # TreeView; WebView host — отдельно
+│   ├── taskTreeItem.ts
+│   └── taskTreeProvider.ts
 └── utils/
-    ├── uuid.ts
-    └── markdown.ts              # parse/serialize frontmatter
 
 tests/helpers/InMemoryFileSystem.ts
 ```
 
-UI (input box, quick pick, open editor) — тонкие адаптеры; бизнес-логика в
-use-cases + `ITaskRepository`. Ошибки — `AppError` из `error.ts`.
+Слои: use-cases + ports — без vscode; `ui/*` — только ввод/вывод host API;
+`extension.ts` — сборка зависимостей и регистрация.
 
 ## План реализации
 
@@ -81,14 +78,16 @@ use-cases + `ITaskRepository`. Ошибки — `AppError` из `error.ts`.
 | **7. Kanban**            | drag-n-drop                                                            |
 | **8. Публикация**        | vsce publish                                                           |
 
-### Фаза 4 — команды (use-cases)
+### Фаза 4 — команды (use-cases + UI wiring)
 
-| Команда        | Поведение                                                      |
-| -------------- | -------------------------------------------------------------- |
-| `createTask`   | title + folder → defaults todo/medium; empty title / no folder |
-| `deleteTask`   | folder + id → delete; not found                                |
-| `changeStatus` | folder + id + status → update; not found                       |
-| `openTask`     | folder + id → path + task для editor; not found                |
+| Команда        | Use-case                                                       | UI adapter                                  |
+| -------------- | -------------------------------------------------------------- | ------------------------------------------- |
+| `createTask`   | title + folder → defaults todo/medium; empty title / no folder | InputBox → use-case → tree.refresh          |
+| `deleteTask`   | folder + id → delete; not found                                | confirm + TreeItem/QuickPick → use-case     |
+| `changeStatus` | folder + id + status → update; not found                       | status QuickPick → use-case                 |
+| `openTask`     | folder + id → path + task                                      | TreeItem click / command → showTextDocument |
+
+Ошибки use-case → `presentError` (`AppError.message`). Cancel UI ≠ `AppError`.
 
 ### Фаза 5 — Task Dashboard