refactor: remove role metadata from subagent artifacts

src/wrapper/cli.mjs

@@ -34,8 +34,6 @@ function makeResult(meta, startedAt, input = {}) {
     mode: meta.mode,
     taskIndex: meta.taskIndex,
     step: meta.step,
-    agent: meta.agent,
-    agentSource: meta.agentSource,
     task: meta.task,
     cwd: meta.cwd,
     requestedModel: meta.requestedModel,
@@ -69,8 +67,6 @@ async function runWrapper(meta, startedAt) {
 
   const args = ["--mode", "json", "--session", meta.sessionPath];
   if (effectiveModel) args.push("--model", effectiveModel);
-  if (Array.isArray(meta.tools) && meta.tools.length > 0) args.push("--tools", meta.tools.join(","));
-  if (meta.systemPromptPath) args.push("--append-system-prompt", meta.systemPromptPath);
   args.push(meta.task);
 
   let finalText = "";