fix: reject legacy header deltas on append

2026-07-14 14:04:29 +08:00
parent 49e45ff184
commit 539850578a
5 changed files with 16 additions and 8 deletions
--- a/packages/core/session/src/index.ts
+++ b/packages/core/session/src/index.ts
@@ -214,6 +214,9 @@ function assertSessionEventEnvelope(value: Record<string, unknown>, index: numbe

 /** Reject request-header vocabulary removed with the legacy delta codec. */
 function assertSupportedRequestHeader(type: string, data: unknown, location: string): void {
+  if (type === 'request/header-delta') {
+    throw new Error(`${location} uses unsupported legacy request/header-delta format`)
+  }
  if (type === 'request/header'
    && data !== null && typeof data === 'object' && !Array.isArray(data)
    && (data as Record<string, unknown>)['reason'] === 'fallback') {