refactor: unify agent and session identity

2026-07-14 01:59:21 +08:00
parent 7a33ee94be
commit 709cc7200e
105 changed files with 899 additions and 948 deletions
--- a/packages/core/session/src/index.ts
+++ b/packages/core/session/src/index.ts
@@ -288,7 +288,12 @@ export class Session {
   */
  readonly header: SessionHeader

-  constructor(public readonly id: SessionId, seed?: readonly SessionEvent[], header?: SessionHeader) {
+  /** The session identity, derived from its durable header's single copy. */
+  get id(): SessionId {
+    return this.header.id
+  }
+
+  constructor(id: SessionId, seed?: readonly SessionEvent[], header?: SessionHeader) {
    if (seed) {
      // Validate the seed to the SAME invariants `append` enforces, so a
      // replay/fork (`ctx.sessions.create(id, { seed })`) cannot construct a