fix: coverage

packages/client/runtime/src/client/contract/conversation.ts

@@ -1,6 +1,10 @@
 import type { SessionEvent } from '@deepseek-ai/dsh-session/types'
 import type { ToolEventView } from '@deepseek-ai/dsh-client-connection/client'
 
+/* oxlint-disable typescript/no-duplicate-type-constituents, typescript/no-redundant-type-constituents --
+ * The unaugmented declaration-merge maps intentionally resolve to never in the Runtime program;
+ * installed business packages supply their concrete keys in consuming Client programs. */
+
 /** One raw log event plus its optional envelope-level presentation view. */
 export interface ConversationEventInput {
   readonly event: SessionEvent

packages/client/runtime/src/client/sessions/conversation-assembler.ts

@@ -712,9 +712,8 @@ export class ConversationNodeAssembler {
     context: InternalContext,
     scope: ConversationLocationDataScope,
   ): ConversationLocationData | null {
-    const build = context.definition.buildLocationData
-    if (build === undefined) return null
-    const data = build(contextSnapshot(context), scope)
+    if (context.definition.buildLocationData === undefined) return null
+    const data = context.definition.buildLocationData(contextSnapshot(context), scope)
     if (data === null) return null
     if (data.kind !== scope) {
       throw new Error(

packages/client/runtime/src/client/sessions/conversation-location-index.ts

@@ -20,7 +20,7 @@ export interface ConversationLocationDataChange {
 class MutableLocationDataStore {
   private entries = new Map<string, OwnedLocationData>()
 
-  get<Key extends string>(key: Key): unknown {
+  get(key: string): unknown {
     return this.entries.get(key)?.value
   }