feat: add dashboard ui view

src/ui/taskCommands.ts

@@ -15,8 +15,15 @@ export type TaskCommandDeps = {
 	repo: ITaskRepository;
 	config: IConfigProvider;
 	tree: TaskTreeProvider;
+	/** Refresh dashboard (and any other listeners) after task mutations. */
+	onTasksMutated?: () => void;
 };
 
+function notifyMutated(deps: TaskCommandDeps): void {
+	deps.tree.refresh();
+	deps.onTasksMutated?.();
+}
+
 export async function runCreateTask(deps: TaskCommandDeps): Promise<void> {
 	const title = await vscode.window.showInputBox({
 		prompt: "Task title",
@@ -37,7 +44,7 @@ export async function runCreateTask(deps: TaskCommandDeps): Promise<void> {
 		return;
 	}
 
-	deps.tree.refresh();
+	notifyMutated(deps);
 	void vscode.window.showInformationMessage(
 		`Task created: ${result.value.title}`,
 	);
@@ -98,7 +105,7 @@ export async function runDeleteTask(
 		return;
 	}
 
-	deps.tree.refresh();
+	notifyMutated(deps);
 	void vscode.window.showInformationMessage("Task deleted");
 }
 
@@ -138,7 +145,7 @@ export async function runChangeStatus(
 		return;
 	}
 
-	deps.tree.refresh();
+	notifyMutated(deps);
 	void vscode.window.showInformationMessage(
 		`Status: ${TASK_STATUS_LABELS[result.value.status]}`,
 	);