Tasks API: Implement GET /tasks/{id}/logs #901
Description
Implement logs retrieval endpoint.
Base path: /api/v2/organizations/{org}/members/{user}
Behavior
- Query:
follow,tail. - Connect to agentapi to fetch history/output as logs.
- Handle empty/missing logs gracefully.
- Non-goal: no streaming (SSE/WebSocket) or webhooks, polling only for MVP.
References: #838