fix: coverage

packages/client/ui-conversation/src/client/contract/chat-nodes.ts

@@ -7,7 +7,7 @@ import type {
 export interface ChatNodeDataMap {}
 
 /** Renderer kinds contributed by the currently installed Chat business modules. */
-export type ChatNodeKind = keyof ChatNodeDataMap & string
+export type ChatNodeKind = Extract<keyof ChatNodeDataMap, string>
 
 /** Final Chat Node narrowed to one registered renderer kind and payload. */
 export type ChatNode<Kind extends ChatNodeKind = ChatNodeKind> = {

packages/client/ui-conversation/src/client/contract/slots.ts

@@ -210,7 +210,7 @@ export interface TurnTailOwnerProps {
 }
 
 /** Hook constrained to business data published on the current Chat Node's Turn. */
-export type UseChatNodeTurnData = <Key extends keyof ConversationTurnDataMap & string>(
+export type UseChatNodeTurnData = <Key extends Extract<keyof ConversationTurnDataMap, string>>(
   key: Key,
 ) => Readonly<ConversationTurnDataMap[Key]> | undefined
 

packages/client/ui-conversation/tests/chat-snapshot-fixture.ts

@@ -78,13 +78,16 @@ class FixtureLocationIndex implements ChatLocationNodeIndex {
 class FixtureTurnDataStore implements ConversationLocationDataStore<ConversationTurnDataMap> {
   private readonly values = new Map<string, unknown>()
 
-  get<Key extends keyof ConversationTurnDataMap & string>(
+  get<Key extends Extract<keyof ConversationTurnDataMap, string>>(
     key: Key,
   ): Readonly<ConversationTurnDataMap[Key]> | undefined {
     return this.values.get(key) as Readonly<ConversationTurnDataMap[Key]> | undefined
   }
 
-  set<Key extends keyof ConversationTurnDataMap & string>(key: Key, value: ConversationTurnDataMap[Key]): void {
+  set<Key extends Extract<keyof ConversationTurnDataMap, string>>(
+    key: Key,
+    value: ConversationTurnDataMap[Key],
+  ): void {
     this.values.set(key, value)
   }
 }

packages/client/ui-conversation/tests/chat-view.spec.tsx

@@ -181,12 +181,14 @@ function makeHarness(init?: Partial<ConversationSnapshot>) {
     if (key !== 'conversation.chat.node') return opts?.fallback ?? null
     const nodeOwner = owner as RoutedChatNodeOwner
     const nodeKey = opts?.hookContext as string | undefined
-    const useTurnData = ((dataKey: string) => props.useSession((snapshot) => {
-      const location = nodeKey === undefined ? undefined : snapshot.chat.nodes.get(nodeKey)?.location
-      return location?.kind === 'turn' || location?.kind === 'step'
-        ? location.turn.data.get(dataKey as never)
-        : undefined
-    })) as UseChatNodeTurnData
+    const useTurnData = ((dataKey: string) => {
+      return props.useSession((snapshot) => {
+        const location = nodeKey === undefined ? undefined : snapshot.chat.nodes.get(nodeKey)?.location
+        return location?.kind === 'turn' || location?.kind === 'step'
+          ? location.turn.data.get(dataKey as never)
+          : undefined
+      })
+    }) as UseChatNodeTurnData
     const nodeProps = <Kind extends ChatNode['kind']>(): ChatNodeViewProps<Kind> => (
       { ...props, ...nodeOwner, useTurnData } as unknown as ChatNodeViewProps<Kind>
     )
@@ -226,7 +228,7 @@ function makeHarness(init?: Partial<ConversationSnapshot>) {
       case 'unknown':
         return <UnknownNodeView {...nodeProps<'unknown'>()} />
       case 'tool-call': {
-        const block = (nodeOwner.node.data as { readonly root: ToolCallBlock }).root
+        const block = nodeOwner.node.data.root
         const toolName = 'kind' in block ? block.call?.name ?? '' : block.name
         const tool = {
           callId: block.callId,
@@ -843,7 +845,7 @@ describe('ChatView', () => {
         mounted()
         return () => { unmounted() }
       }, [])
-      const root = (node.data as { readonly root: ToolCallBlock }).root
+      const root = node.data.root
       return (
         <div data-testid="stateful-tool" data-state={'kind' in root ? 'settled' : 'running'}>
           {root.callId}