Files
multica/server/internal/handler
Naiyuan Qing 8ac30abb23 feat(agent-status): add workspace live-tasks endpoint and TaskFailureReason type
Lays the API + type contract for the front-end agent presence cache:

- New `GET /api/active-tasks` returns active (queued/dispatched/running)
  tasks plus failed tasks within the last 2 minutes for the current
  workspace. The 2-minute window powers a UI-side auto-clearing "Failed"
  agent state without back-end pollers.
- `agent_task_queue` has no workspace_id column, so the query JOINs agent;
  `SELECT atq.*` keeps `failure_reason` (migration 055) on the wire.
- Adds `TaskFailureReason` to `AgentTask` so the UI can map the 5 backend
  classifiers (agent_error / timeout / runtime_offline / runtime_recovery
  / manual) to copy without parsing free-text errors.
- New `api.getActiveTasksForWorkspace()` client method; workspace is
  resolved server-side from the X-Workspace-Slug header (no path param,
  matching /api/agents and /api/runtimes conventions).

Includes the joint engineering plan and designer brief that scope the
broader Agent / Runtime status redesign — Phase 0 is this contract plus
the front-end derivation layer landing in the next commit.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-27 16:11:20 +08:00
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