test(mobile): pin that a refused tab close still prunes, and drop two leftovers

The refused-body case had no test after the round-5 revert; reintroducing the defect
passed the suite. Also removes the stream types stranded when the terminal subscribe
adapter was deleted, and a truncated field the directory result type no longer declares.

Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb

mobile/src/files/native-host-file-explorer-operations.ts

@@ -16,8 +16,7 @@ export function nativeHostFileExplorerOperations(client: RpcClient): HostFileExp
       if (response.ok) {
         return {
           kind: 'directory',
-          entries: response.result as MobileDirEntry[],
-          truncated: false
+          entries: response.result as MobileDirEntry[]
         }
       }
       // Why: desktops that predate the files.readDir mobile allowlist entry still serve the

mobile/src/session/host-session-terminal-operations.ts

@@ -1,56 +1,3 @@
-import type { TerminalOscLinkRange } from '../../../src/shared/terminal-osc-link-ranges'
-
-export type HostSessionTerminalData = string | Uint8Array
-
-export type HostSessionTerminalStreamEvent =
-  | {
-      type: 'subscribed'
-      cols?: number
-      rows?: number
-    }
-  | {
-      type: 'scrollback'
-      cols: number
-      rows: number
-      serialized: HostSessionTerminalData
-      preserveScroll?: boolean
-      throughSequence?: number
-      displayMode?: 'auto' | 'desktop' | 'phone'
-      oscLinks?: TerminalOscLinkRange[]
-      seq?: number
-    }
-  | {
-      type: 'data'
-      chunk: HostSessionTerminalData
-      throughSequence?: number
-      seq?: number
-    }
-  | {
-      type: 'resized'
-      cols: number
-      rows: number
-      serialized?: HostSessionTerminalData
-      throughSequence?: number
-      displayMode?: 'auto' | 'desktop' | 'phone'
-      oscLinks?: TerminalOscLinkRange[]
-      seq?: number
-    }
-  | {
-      type: 'metadata'
-      displayMode?: 'auto' | 'desktop' | 'phone'
-      cwd?: string
-    }
-  | { type: 'end' | 'error' }
-
-export type HostSessionTerminalSubscribeArgs = {
-  workspaceId: string
-  terminalId: string
-  clientId: string | null
-  viewport: { cols: number; rows: number } | null | undefined
-  visible: boolean
-  capabilities: { terminalBinaryStream: 1; mobileInputLeaseOnly?: 1 }
-}
-
 export type HostSessionTerminalOperations = {
   sendInput(
     terminalId: string,

mobile/src/session/native-host-session-tab-operations.test.ts

@@ -42,6 +42,17 @@ describe('native host session tab operations', () => {
     await expect(operations.close('workspace-1', 'tab-1')).resolves.toBe(true)
   })
 
+  it('prunes a close the host refused, as main did', async () => {
+    const operations = nativeHostSessionTabOperations({
+      sendRequest: vi.fn().mockResolvedValue({
+        ok: true,
+        result: { closed: true, refused: true, refusalReason: 'live-host-pty' }
+      })
+    } as unknown as RpcClient)
+
+    await expect(operations.close('workspace-1', 'tab-1')).resolves.toBe(true)
+  })
+
   it('reports a close the host refused at the transport', async () => {
     const operations = nativeHostSessionTabOperations({
       sendRequest: vi.fn().mockResolvedValue({ ok: false, error: { code: 'x', message: 'no' } })