// After line 93 (workspaceAssessment):
const externalAgents = await discoverExternalAgents({ timeout: 5000 });

// Build agent availability section for prompt:
if (externalAgents.available && externalAgents.agents.some(a => a.installed)) {
  const agentList = externalAgents.agents
    .filter(a => a.installed)
    .map(a => `- ${a.name} (${a.authenticated ? 'authenticated' : 'not authenticated'})`)
    .join('\n');

  promptContext.externalAgentsSection = [
    '',
    'Available external agents (via adapters):',
    agentList,
    '',
    'You may delegate specialist work to these agents using external agent tasks:',
    '  defineTask("task-id", (args) => ({',
    '    kind: "agent",',
    '    agent: {',
    '      name: "Task Name",',
    '      prompt: "Instructions for the external agent...",',
    '      responderType: "agent",',
    '      adapter: "claude-code",  // or codex, gemini-cli, etc.',
    '    },',
    '  }))',
    '',
    'Use external agents when:',
    '- The task requires file editing, bash execution, or browser access (agent-core cannot do these)',
    '- A specific agent has better capabilities for the task (e.g., codex for code generation)',
    '- The task benefits from a separate workspace or conversation context',
    '',
    'Use internal agent tasks when:',
    '- The task is purely text generation (summarization, analysis, planning)',
    '- Low latency is important (internal is faster than spawning external agents)',
  ].join('\n');
}

if (externalAgents.available && externalAgents.agents.some(a => a.installed)) {
  processDefinitionSystemPrompt += '\n\n' + promptContext.externalAgentsSection;
}

// In getDefineTaskKindShapeMismatches():
// Accept agent tasks with responderType routing metadata
if (kind === "agent" && properties.has("agent")) {
  // Valid — both internal and external agent tasks have agent property
  continue;
}

// After existing validation:
// Warn (don't error) about external agent tasks when adapters not detected
if (hasExternalAgentTasks(source) && !externalAgentsAvailable) {
  console.warn('[babysitter] process uses external agent tasks but adapters is not detected');
}

- External agent tasks must use kind: "agent" with agent: { responderType: "agent", adapter: "..." }
- The adapter field must be a valid adapters adapter name