Merge pull request #2002 from deepseek-harness/feature/issue-1470-skill-invoke

feat(skill): deterministic user-explicit skill invocation at the pre-step gesture boundary

packages/client/runtime/src/client/sessions/context-provenance.ts

@@ -83,6 +83,9 @@ export function contextProvenance(source: unknown): ContextProvenanceView {
       return { role: 'inject', label: joined(collect(record, 'changes', 'path')) ?? kind }
     case 'plugin':
       return { role: 'inject', label: readString(record, 'plugin') ?? kind }
+    // A user-explicit skill invocation names the skill it injected.
+    case 'skill-invocation':
+      return { role: 'inject', label: readString(record, 'name') ?? kind }
     // Documented default arm of the merge-extensible source map: an unknown
     // producer still identifies itself by its own durable kind.
     default:

packages/client/runtime/src/client/sessions/transcript-adapter.ts

@@ -57,10 +57,11 @@ function materializeNode(
   stepTimings: ReadonlyMap<string, AssistantStepMetadata>,
 ): ConversationNode {
   switch (event.type) {
-    case 'user/message':
-      // Injected context (plugin/goal source) folds to a context node, not a
-      // user message; only a direct human prompt is a user node. A compaction
-      // checkpoint never reaches here (isCompactCheckpoint routes it away).
+    case 'user/message': {
+      // Injected context (plugin/goal/skill-invocation source) folds to a
+      // context node, not a user message; only a direct human prompt is a
+      // user node. A compaction checkpoint never reaches here
+      // (isCompactCheckpoint routes it away).
       if (event.data.source.kind !== 'user') {
         return {
           kind: 'context', seq: event.seq, time: event.time,
@@ -80,6 +81,7 @@ function materializeNode(
         kind: 'user', seq: event.seq, time: event.time,
         content: event.data.content, source: event.data.source,
       }
+    }
     case 'assistant/message':
       return {
         kind: 'assistant', seq: event.seq, time: event.time,