fix(client): address trajectory review findings

packages/client/ui-trajectory/src/client/TrajectoryTable.tsx

@@ -1188,6 +1188,20 @@ function RecordPayload({
     : 'No result captured'
   if (!value) return <p className={css.noPayload}>{missing}</p>
 
+  const json = parseJsonContainer(value)
+  const singleTextResult = direction === 'output'
+    && record.cell.outputBlocks?.length === 1
+    && record.cell.outputBlocks[0]?.type === 'text'
+  if (singleTextResult && json !== undefined) {
+    return (
+      <JsonTree
+        data={json}
+        label="Result JSON"
+        className={preview ? css.jsonPreview : css.jsonPayload}
+      />
+    )
+  }
+
   if (
     direction === 'output'
     && record.cell.outputBlocks?.some(block =>
@@ -1214,7 +1228,6 @@ function RecordPayload({
       </div>
     )
   }
-  const json = parseJsonContainer(value)
   if (json !== undefined) {
     return (
       <JsonTree

packages/client/ui-trajectory/src/client/TrajectoryView.tsx

@@ -5,7 +5,9 @@ import type { ConvViewProps } from '@deepseek-ai/dsh-client-ui-conversation/clie
 import type {
   AssistantMessageNode, ConversationContext, RequestView,
 } from '@deepseek-ai/dsh-client-runtime/client'
-import { deriveTrajectoryContextBranches } from './context-branches.ts'
+import {
+  deriveTrajectoryContextBranches, trajectoryBranchContainsSeq,
+} from './context-branches.ts'
 import {
   TrajectoryTable,
   type TrajectoryRequestNumber,
@@ -97,9 +99,13 @@ export function TrajectoryView({ useSession, loadAllHistory }: ConvViewProps & T
   )
   const currentBranch = branches.at(-1)
   if (currentBranch === undefined) throw new Error('trajectory branch projection must not be empty')
-  const selectedNodes = inspection === undefined || inspection.eventNodes.length === 0
-    ? nodes
-    : inspection.eventNodes
+  const selectedNodes = currentBranch.nodes
+  const selectedRequests = useMemo(
+    () => requests.filter(request =>
+      trajectoryBranchContainsSeq(currentBranch, request.startSeq),
+    ),
+    [currentBranch, requests],
+  )
   const globalRequestNumbers = useMemo<readonly TrajectoryRequestNumber[]>(() => {
     const assistantsByStep = new Map<string, AssistantMessageNode>()
     for (const context of contexts) {
@@ -235,12 +241,12 @@ export function TrajectoryView({ useSession, loadAllHistory }: ConvViewProps & T
       nodes: selectedNodes,
       partial,
       runningCalls,
-      requests,
+      requests: selectedRequests,
       ...(callSchemas === undefined ? {} : { callSchemas }),
       codeDispatches,
     }),
     [
-      selectedNodes, partial, runningCalls, requests, callSchemas, codeDispatches,
+      selectedNodes, partial, runningCalls, selectedRequests, callSchemas, codeDispatches,
     ],
   )
   const collapsibleTurnIds = useMemo(