test(session-log-export): remove unknown casts from fixtures

Type the Header and toast test fixtures with the standard Session/global props they render with, and read slot injections through a narrow object helper. Prune the four retired unknown-cast baseline entries. No product behavior changes.

packages/session-query/session-log-export/tests/client-apply.client.spec.tsx

@@ -28,6 +28,11 @@ function declare(slots: SlotRegistry): () => void {
   } as never, () => null)
 }
 
+function injectedOf(entry: { inject?: ((...args: never[]) => object) | undefined } | undefined): object {
+  if (entry?.inject === undefined) throw new Error('slot entry has no injection')
+  return entry.inject()
+}
+
 async function bench() {
   const ctx = new Context()
   await ctx.plugin(SlotRegistry).await()
@@ -43,7 +48,7 @@ describe('session-log-download browser plugin', () => {
   it('follows feedback plugin availability and opens the selected Session form', async () => {
     const b = await bench()
     const entry = b.slots.entries('conversation.session.header.utilities')[0]!
-    const injected = (entry.inject as unknown as () => SessionLogDownloadHeaderInjected)()
+    const injected = injectedOf(entry) as SessionLogDownloadHeaderInjected
     expect(injected.hooks.feedbackAvailable.getSnapshot()).toBe(false)
     injected.openFeedback(SID)
 
@@ -69,7 +74,7 @@ describe('session-log-download browser plugin', () => {
     const entry = b.slots.entries('conversation.session.header.utilities')[0]
     expect(entry?.component).toBe(SessionLogDownloadHeaderAction)
     expect(entry?.options).toMatchObject({ id: 'session-log-download' })
-    const injected = (entry?.inject as unknown as () => SessionLogDownloadHeaderInjected)()
+    const injected = injectedOf(entry) as SessionLogDownloadHeaderInjected
     await injected.request(SID)
     expect(b.ctx.sessionLogDownload.store.getSnapshot().bySession[SID]?.status).toBe('error')
     injected.dismiss(SID)
@@ -78,7 +83,7 @@ describe('session-log-download browser plugin', () => {
     const overlay = b.slots.entries('shell.overlay')[0]
     expect(overlay?.component).toBe(SessionMarkdownCopyToast)
     expect(overlay?.options).toMatchObject({ id: 'session-log-download.copy-toast' })
-    const overlayInjected = (overlay?.inject as unknown as () => SessionMarkdownCopyToastInjected)()
+    const overlayInjected = injectedOf(overlay) as SessionMarkdownCopyToastInjected
     await injected.copyMarkdown(SID)
     expect(injected.hooks.sessionMarkdownCopy.getSnapshot().notice?.kind).toBe('failed')
     overlayInjected.dismiss()

packages/session-query/session-log-export/tests/copy-toast.client.spec.tsx

@@ -20,11 +20,12 @@ function bindSnapshot(store: ObservableSnapshot<SessionMarkdownCopyState>) {
 function bench(notice: SessionMarkdownCopyState['notice']) {
   const store = createSnapshotStore<SessionMarkdownCopyState>({ copying: false, notice })
   const dismiss = vi.fn()
-  const props = {
+  const dictionary: Record<string, string> = en
+  const props: SessionMarkdownCopyToastProps = {
     useSessionMarkdownCopy: bindSnapshot(store),
     dismiss,
-    t: (key: keyof typeof en): string => en[key],
-  } as unknown as SessionMarkdownCopyToastProps
+    t: key => dictionary[key] ?? key,
+  }
   return { ...render(<SessionMarkdownCopyToast {...props} />), store, dismiss }
 }
 

packages/session-query/session-log-export/tests/header-action.client.spec.tsx

@@ -3,6 +3,7 @@ import { act, cleanup, fireEvent, render, waitFor } from '@testing-library/react
 import { afterEach, describe, expect, it, vi } from 'vitest'
 import { useSyncExternalStore } from 'react'
 import type { SessionId } from '@deepseek-ai/dsh-session/types'
+import type { GlobalStandardProps, SessionStandardProps } from '@deepseek-ai/dsh-client-ui-slots'
 import { createSnapshotStore, type ObservableSnapshot } from '@deepseek-ai/dsh-client-store'
 import { SessionLogDownloadController } from '../src/client/controller.ts'
 import { SessionMarkdownCopyController } from '../src/client/copy-controller.ts'
@@ -11,6 +12,18 @@ import type { SessionLogDownloadHeaderProps } from '../src/client/HeaderAction.t
 import { en } from '../src/client/locales.ts'
 
 const SID = 'session-export-header' as SessionId
+const dictionary: Record<string, string> = en
+const translate: SessionLogDownloadHeaderProps['t'] = key => dictionary[key] ?? key
+const unused = (): never => { throw new Error('This isolated component does not consume framework hooks') }
+const standard: GlobalStandardProps & SessionStandardProps = {
+  sessionId: SID, useSession: unused, useProjection: unused, useAccess: () => true,
+  useSessions: unused, useSessionStatus: unused, useSessionRetainInfo: unused,
+  useSessionAccess: () => true, useRemoteAccess: () => true, useWorkspaceAccess: () => true,
+  useConversation: unused, useInput: unused, useChat: unused, useTrajectory: unused,
+  usePanelInfo: unused, useResource: unused, useWorkspaces: unused,
+  inputActions: { captureInsertion: unused, insertText: unused, setDraft: unused, persistDraft: unused,
+    addAttachments: unused, removeAttachment: unused, pruneAttachments: unused, submit: unused },
+}
 
 function bindSnapshot<State>(store: ObservableSnapshot<State>) {
   return function useSnapshot<T>(selector: (state: State) => T): T {
@@ -33,8 +46,8 @@ function bench(feedbackAvailable = false, copyController = new SessionMarkdownCo
   const feedback = createSnapshotStore(feedbackAvailable)
   const useSessionLogDownload = bindSnapshot(controller.store)
   const useSessionMarkdownCopy = bindSnapshot(copyController.store)
-  const props = {
-    sessionId: SID,
+  const props: SessionLogDownloadHeaderProps = {
+    ...standard,
     useSessionLogDownload,
     useSessionMarkdownCopy,
     useFeedbackAvailable: bindSnapshot(feedback),
@@ -42,8 +55,8 @@ function bench(feedbackAvailable = false, copyController = new SessionMarkdownCo
     request,
     copyMarkdown,
     dismiss,
-    t: (key: keyof typeof en): string => en[key],
-  } as unknown as SessionLogDownloadHeaderProps
+    t: translate,
+  }
   const view = render(<SessionLogDownloadHeaderAction {...props} />)
   return { controller, copyController, request, copyMarkdown, openFeedback, feedback, view }
 }
@@ -150,8 +163,8 @@ describe('Session export Header action', () => {
     const pending = new Promise<Response>((resolve) => { release = resolve })
     const controller = new SessionLogDownloadController(() => pending, vi.fn())
     const useSessionLogDownload = bindSnapshot(controller.store)
-    b.view.rerender(<SessionLogDownloadHeaderAction {...({
-      sessionId: SID,
+    const rerendered: SessionLogDownloadHeaderProps = {
+      ...standard,
       useSessionLogDownload,
       useSessionMarkdownCopy: bindSnapshot(b.copyController.store),
       useFeedbackAvailable: bindSnapshot(b.feedback),
@@ -159,8 +172,9 @@ describe('Session export Header action', () => {
       request: (sessionId: SessionId) => controller.download(sessionId),
       copyMarkdown: b.copyMarkdown,
       dismiss: (sessionId: SessionId) => { controller.dismiss(sessionId) },
-      t: (key: keyof typeof en): string => en[key],
-    } as unknown as SessionLogDownloadHeaderProps)} />)
+      t: translate,
+    }
+    b.view.rerender(<SessionLogDownloadHeaderAction {...rerendered} />)
 
     const download = controller.download(SID)
     const button = b.view.getByRole('button', { name: 'More actions' })

scripts/no-unknown-casts.baseline.json

@@ -1530,10 +1530,6 @@
     "cb524acd0159b942e7974d76b581b1f419b8653d1734946a3f154dda8e8f4762": 1,
     "f10c6a0a3a762be54c2de87ab5d787e37a21a89c9d468bf81d0658c2bf15d581": 1
   },
-  "packages/session-query/session-log-export/tests/client-apply.client.spec.tsx": {
-    "04984a2ce1486250236e638e0197da0a1a840855ed3975c59130a85358c7e5fe": 1,
-    "eee35b4d8641824c6eaacfe03ed60d353d81d5257d1111132f34d46a7b13ef35": 1
-  },
   "packages/session-query/session-log-export/tests/controller.client.spec.ts": {
     "746ebc5aade01a50cc9a74fc07b1023addf021aef80b62c069a437ac140c9e64": 1,
     "c920d88f6eb309ef5991608642a1ab0fd972690538b33c34d86c68d07ddd6edf": 1
@@ -1541,10 +1537,6 @@
   "packages/session-query/session-log-export/tests/dialog.client.spec.tsx": {
     "a9b1969d76db0b05f87c862956f8ff45c52f1f4a5b32a206339de0c9fee99a77": 1
   },
-  "packages/session-query/session-log-export/tests/header-action.client.spec.tsx": {
-    "238a292bbe3a61acbc4f2d96fff474df5fba1577357219a88c914813786b56a7": 1,
-    "47d3a14a42ef7142ea22071677b42265f02fba5a2a0cf4210f4f9c7c5a876d10": 1
-  },
   "packages/session-query/session-log-export/tests/loader-composition.host.spec.ts": {
     "59c63f734e8bba862325f776e3fcbebd78a84cfb4161f8df41c216950d9bf351": 1,
     "e12d49327a6708ae3ace371e28ed0deb471dc8895c584ba94a86af344c15cec3": 1