feat(team-mode): add team tasklist get with tests

src/features/team-mode/team-tasklist/get.test.ts

@@ -0,0 +1,45 @@
+/// <reference types="bun-types" />
+
+import { expect, test } from "bun:test"
+
+import { createTask } from "./store"
+import { createTaskInput, createTasklistFixture } from "./test-support"
+import { getTask } from "./get"
+
+test("getTask returns a persisted task", async () => {
+  // given
+  const fixture = await createTasklistFixture()
+
+  try {
+    const createdTask = await createTask(fixture.teamRunId, createTaskInput({ subject: "persisted task" }), fixture.config)
+
+    // when
+    const loadedTask = await getTask(fixture.teamRunId, createdTask.id, fixture.config)
+
+    // then
+    expect(loadedTask).toEqual(createdTask)
+  } finally {
+    await fixture.cleanup()
+  }
+})
+
+test("getTask throws when the task file is missing", async () => {
+  // given
+  const fixture = await createTasklistFixture()
+
+  try {
+    // when
+    let thrownError: unknown = null
+
+    try {
+      await getTask(fixture.teamRunId, "999", fixture.config)
+    } catch (error) {
+      thrownError = error
+    }
+
+    // then
+    expect(thrownError).toBeInstanceOf(Error)
+  } finally {
+    await fixture.cleanup()
+  }
+})

src/features/team-mode/team-tasklist/get.ts

@@ -0,0 +1,13 @@
+import { readFile } from "node:fs/promises"
+import path from "node:path"
+
+import type { TeamModeConfig } from "../../../config/schema/team-mode"
+import { getTasksDir, resolveBaseDir } from "../team-registry"
+import { TaskSchema } from "../types"
+import type { Task } from "../types"
+
+export async function getTask(teamRunId: string, taskId: string, config: TeamModeConfig): Promise<Task> {
+  const tasksDirectory = getTasksDir(resolveBaseDir(config), teamRunId)
+  const taskContent = await readFile(path.join(tasksDirectory, `${taskId}.json`), "utf8")
+  return TaskSchema.parse(JSON.parse(taskContent))
+}