feat(session)!: embed assistant streams in format v2

apps/cli/tests/github-webhook-real.e2e.ts

@@ -11,7 +11,6 @@ import { tmpdir } from 'node:os'
 import { join } from 'node:path'
 import { setTimeout as delay } from 'node:timers/promises'
 import { fileURLToPath } from 'node:url'
-import { decodeStorageRecord } from '@deepseek-ai/dsh-session/chunk-rows'
 import { describe, expect, it } from 'vitest'
 import WebSocket from 'ws'
 
@@ -60,10 +59,7 @@ interface WorkspaceBaseline {
 }
 
 interface HistoryPage {
-  records: Array<
-    | { type: 'event'; event: HistoryEvent }
-    | { type: 'chunks'; event: HistoryChunkEvent }
-  >
+  records: Array<{ type: 'event'; event: HistoryEvent }>
   hasMore: boolean
 }
 
@@ -72,11 +68,6 @@ interface HistoryEvent {
   data: unknown
 }
 
-interface HistoryChunkEvent extends HistoryEvent {
-  seq: number
-  time: number
-}
-
 interface ProcessObservation {
   readonly ready: Promise<string>
   readonly text: () => string
@@ -314,16 +305,9 @@ function assistantText(page: HistoryPage): string {
   return text.join('\n')
 }
 
-/** Expand lossless history records for assertions over the public event stream. */
+/** Read scalar v2 history records for assertions over the public event stream. */
 function historyEvents(page: HistoryPage): HistoryEvent[] {
-  return page.records.flatMap(record => record.type === 'event'
-    ? [record.event]
-    : decodeStorageRecord({
-      type: record.event.type.replace(/^chunkrow\//u, ''),
-      seq0: record.event.seq,
-      time0: record.event.time,
-      data: record.event.data,
-    }))
+  return page.records.map(record => record.event)
 }
 
 /** Stop the spawned CLI through its normal signal path, escalating only on a stuck teardown. */