fix(lint): drop unused imports/props left by the redesign

pnpm lint was never run before the first push (CI Lint + ci-windows Lint
both failed on it): the jobs drawer no longer polls (its output popover
does), and StateDot/css/TreeJob imports went unused when the cards and the
team chip were rewritten.

src/client/tasks-shared.tsx

@@ -13,7 +13,7 @@
  * latest output text, jump action — lives in the anchored popover.
  */
 import type { ReactNode } from 'react'
-import { StateDot, type StateDotState } from '@deepseek-ai/dsh-client-ui-primitives'
+import type { StateDotState } from '@deepseek-ai/dsh-client-ui-primitives'
 import type { LastActivity } from '../subagent-activity.ts'
 import type { TasksAgentNode, TasksNodeState, TasksWorkflowNode } from './tasks-model.ts'
 import { toolGlyph } from './tool-icons.tsx'