fix(codex): ignore subagents in transcript fallback

cli/src/modules/common/codexSessions.ts

@@ -3,6 +3,7 @@ import { randomUUID } from 'node:crypto'
 import { basename, dirname, join, relative } from 'node:path'
 import { homedir } from 'node:os'
 import { AGENT_MESSAGE_PAYLOAD_TYPE } from '@hapi/protocol'
+import { isCodexSubagentSource } from '@/codex/utils/codexSessionMetadata'
 
 const DEFAULT_CODEX_SESSION_SCAN_LIMIT = 200
 
@@ -78,11 +79,6 @@ function shouldIgnoreSyntheticUserMessage(text: string): boolean {
     return normalized.startsWith('# AGENTS.md instructions') || normalized.startsWith('<environment_context>')
 }
 
-function isSubagentSource(value: unknown): boolean {
-    const record = asRecord(value)
-    return Boolean(record && Object.prototype.hasOwnProperty.call(record, 'subagent'))
-}
-
 function inferSessionIdFromFileName(filePath: string): string | null {
     return /([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})/.exec(filePath)?.[1] ?? null
 }
@@ -338,7 +334,7 @@ function parseCodexLocalSession(
             if (!record) continue
             if (record.type === 'session_meta') {
                 const payload = asRecord(record.payload)
-                if (isSubagentSource(payload?.source)) return null
+                if (isCodexSubagentSource(payload?.source)) return null
                 if (!sessionId && typeof payload?.id === 'string') sessionId = payload.id
                 if (!cwd && typeof payload?.cwd === 'string') cwd = payload.cwd
                 if (!originator && typeof payload?.originator === 'string') originator = payload.originator