fix(mobile): skip floating workspace repo lookup

mobile/src/session/use-mobile-native-chat-readability.test.ts

@@ -2,6 +2,7 @@ import { createElement } from 'react'
 import { act, create, type ReactTestRenderer } from 'react-test-renderer'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 import type { RpcClient } from '../transport/rpc-client'
+import { FLOATING_WORKSPACE_WORKTREE_ID } from './floating-workspace'
 import { useMobileNativeChatReadability } from './use-mobile-native-chat-readability'
 
 describe('useMobileNativeChatReadability', () => {
@@ -18,15 +19,19 @@ describe('useMobileNativeChatReadability', () => {
     renderer = null
   })
 
-  async function mount(connectionId: string | null): Promise<void> {
+  async function mount(
+    connectionId: string | null,
+    worktreeId = 'repo::/worktree'
+  ): Promise<ReturnType<typeof vi.fn>> {
+    const sendRequest = vi.fn().mockResolvedValue({
+      ok: true,
+      result: { repos: [{ id: 'repo', connectionId }] }
+    })
     const client = {
-      sendRequest: vi.fn().mockResolvedValue({
-        ok: true,
-        result: { repos: [{ id: 'repo', connectionId }] }
-      })
+      sendRequest
     } as unknown as RpcClient
     function Harness(): null {
-      readable = useMobileNativeChatReadability(client, 'repo::/worktree')
+      readable = useMobileNativeChatReadability(client, worktreeId)
       return null
     }
     const original = console.error
@@ -44,6 +49,7 @@ describe('useMobileNativeChatReadability', () => {
     } finally {
       consoleSpy.mockRestore()
     }
+    return sendRequest
   }
 
   it('admits local and runtime-owned transcript hosts', async () => {
@@ -61,6 +67,13 @@ describe('useMobileNativeChatReadability', () => {
     expect(readable).toBe(false)
   })
 
+  it('treats the host-local floating workspace as readable without listing repos', async () => {
+    const sendRequest = await mount(null, FLOATING_WORKSPACE_WORKTREE_ID)
+
+    expect(readable).toBe(true)
+    expect(sendRequest).not.toHaveBeenCalled()
+  })
+
   it('fails closed immediately while a reused route resolves its new worktree', async () => {
     let resolveNext: (response: unknown) => void = () => {}
     const client = {

mobile/src/session/use-mobile-native-chat-readability.ts

@@ -1,5 +1,6 @@
 import { useEffect, useState } from 'react'
 import type { RpcClient } from '../transport/rpc-client'
+import { isFloatingWorkspaceWorktreeId } from './floating-workspace'
 import { isMobileNativeChatTranscriptReadable } from './mobile-native-chat-eligibility'
 import { getRepoIdFromMobileWorktreeId } from './mobile-session-route-helpers'
 
@@ -10,12 +11,17 @@ export function useMobileNativeChatReadability(
   client: RpcClient | null,
   worktreeId: string
 ): boolean {
+  const isFloatingWorkspace = isFloatingWorkspaceWorktreeId(worktreeId)
   const [state, setState] = useState<ReadabilityState>({
     client: null,
     worktreeId: '',
     readable: false
   })
   useEffect(() => {
+    // Why: the floating workspace always runs on the paired host and has no repo connection to resolve.
+    if (isFloatingWorkspace) {
+      return
+    }
     let active = true
     if (!client) {
       setState({ client, worktreeId, readable: false })
@@ -46,7 +52,10 @@ export function useMobileNativeChatReadability(
     return () => {
       active = false
     }
-  }, [client, worktreeId])
+  }, [client, isFloatingWorkspace, worktreeId])
+  if (isFloatingWorkspace) {
+    return true
+  }
   // Why: route reuse renders before its new effect resolves; never expose the
   // previous repo's readability under a different client/worktree key.
   return state.client === client && state.worktreeId === worktreeId ? state.readable : false