Merge remote-tracking branch 'origin/master' into xtr/agent-loop-message-machine

# Conflicts:
#	docs/core-data-structures/tools.i18n.yaml
#	examples/acp-agent/tests/snapshots/code-mode-workspace-context/session.jsonl
#	packages/core/tools/README.i18n.yaml

packages/plan/plan-mode/tests/plan-mode.spec.ts

@@ -704,7 +704,7 @@ describe('exit_plan_mode', () => {
     const result = await ctx.tools.execute({
       callId: CallId(`call-exit-${++callCounter}`),
       name: RUN_CODE_NAME,
-      arguments: { code: `return await tools.${EXIT_PLAN_MODE}({ plan: ${JSON.stringify(plan)} })` },
+      arguments: { code: `return await tools.${EXIT_PLAN_MODE}({ plan: ${JSON.stringify(plan)} })`, description: 'Submit the plan for review' },
       signal: new AbortController().signal,
       agent,
     })