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

examples/headless-agent/tests/code-mode.e2e.ts

@@ -85,7 +85,7 @@ function runCode(harness: Context, code: string, signal: AbortSignal = testToolS
   return harness.tools.execute({
     callId: CallId(`keyless-code-${++keylessCall}`),
     name: RUN_CODE_NAME,
-    arguments: { code },
+    arguments: { code, description: 'Run the e2e program' },
     signal,
   })
 }