refactor(tui): centralize application exit (#31524)

packages/tui/src/component/prompt/index.tsx

@@ -27,7 +27,7 @@ import { useSync } from "../../context/sync"
 import { useEvent } from "../../context/event"
 import { editorSelectionKey, useEditorContext, type EditorSelection } from "../../context/editor"
 import { normalizePromptContent, openEditor } from "../../editor"
-import { destroyRenderer } from "../../util/renderer"
+import { useExit } from "../../context/exit"
 import { promptOffsetWidth } from "../../prompt/display"
 import { createStore, produce, unwrap } from "solid-js/store"
 import { usePromptHistory, type PromptInfo } from "../../prompt/history"
@@ -163,6 +163,7 @@ export function Prompt(props: PromptProps) {
   const agentShortcut = useCommandShortcut("agent.cycle")
   const paletteShortcut = useCommandShortcut("command.palette.show")
   const renderer = useRenderer()
+  const exit = useExit()
   const dimensions = useTerminalDimensions()
   const { theme, syntax } = useTheme()
   const kv = useKV()
@@ -955,7 +956,7 @@ export function Prompt(props: PromptProps) {
     if (!agent) return false
     const trimmed = store.prompt.input.trim()
     if (trimmed === "exit" || trimmed === "quit" || trimmed === ":q") {
-      destroyRenderer(renderer)
+      void exit()
       return true
     }
     const selectedModel = local.model.current()