Merge remote-tracking branch 'origin/master' into session-query-tool

# Conflicts:
#	docs/architecture.i18n.yaml

packages/session-persistence/session-checkpoint-policy/tests/fixtures/crash-child.ts

@@ -56,5 +56,5 @@ const handle = await ctx.agents.create({
   sessionId: SessionId('semantic-checkpoint-crash'),
   agentOptions: { provider: 'crash', model: 'crash' },
 })
-handle.agent.send([{ type: 'text', text: 'exercise the crash boundary' }])
+handle.agent.followup([{ type: 'text', text: 'exercise the crash boundary' }])
 await waitForCrash()