fix(shared): avoid archive test batch regression

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/shared/task-system-enabled.test.ts

@@ -1,44 +0,0 @@
-import { describe, expect, test } from "bun:test"
-
-import { isTaskSystemEnabled } from "./task-system-enabled"
-
-describe("isTaskSystemEnabled", () => {
-  describe("#given experimental.task_system is omitted", () => {
-    test("#when resolving #then it defaults to false", () => {
-      // given
-      const config = {}
-
-      // when
-      const result = isTaskSystemEnabled(config)
-
-      // then
-      expect(result).toBe(false)
-    })
-  })
-
-  describe("#given experimental.task_system is enabled", () => {
-    test("#when resolving #then it returns true", () => {
-      // given
-      const config = { experimental: { task_system: true } }
-
-      // when
-      const result = isTaskSystemEnabled(config)
-
-      // then
-      expect(result).toBe(true)
-    })
-  })
-
-  describe("#given experimental.task_system is disabled", () => {
-    test("#when resolving #then it returns false", () => {
-      // given
-      const config = { experimental: { task_system: false } }
-
-      // when
-      const result = isTaskSystemEnabled(config)
-
-      // then
-      expect(result).toBe(false)
-    })
-  })
-})