Merge remote-tracking branch 'origin/master' into feature/subagent-policy-inheritance

# Conflicts:
#	.agents/notes/implemented/feature/2026-07-06-sandbox.i18n.yaml
#	docs/cordis-catalog/services.md
#	docs/persistence-catalog.md
#	examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl
#	packages/core/session/README.i18n.yaml
#	packages/subagent/subagent-inprocess/README.i18n.yaml
#	packages/ui/user-approval/src/index.ts

packages/subagent/subagent-inprocess/src/index.ts

@@ -160,7 +160,7 @@ export async function startInProcessRun(
 
   const result: Promise<SubagentResult> = (async () => {
     try {
-      child.followup(request.prompt)
+      child.followup({ content: request.prompt, source: { kind: 'user' } })
       await child.whenIdle()
       return readResult(
         child,