II.
Page overview
Reference · livepage:docs-harness-features-backlog-gaps-subagent-observability-gap-subobs-001
GAP-SUBOBS-001: Streaming Output Capture from Invoked Harnesses overview
Inspect the raw attributes, linked wiki pages, and inbound or outbound graph edges for page:docs-harness-features-backlog-gaps-subagent-observability-gap-subobs-001.
Attributes
nodeKind
Page
sourcePath
docs/harness-features-backlog/gaps/subagent-observability/GAP-SUBOBS-001.md
sourceKind
repo-docs
title
GAP-SUBOBS-001: Streaming Output Capture from Invoked Harnesses
displayName
GAP-SUBOBS-001: Streaming Output Capture from Invoked Harnesses
slug
docs/harness-features-backlog/gaps/subagent-observability/gap-subobs-001
articlePath
wiki/docs/harness-features-backlog/gaps/subagent-observability/GAP-SUBOBS-001.md
article
# GAP-SUBOBS-001: Streaming Output Capture from Invoked Harnesses
| Field | Value |
|-------|-------|
| Category | subagent-observability |
| Priority | Critical |
| Effort | L |
| Status | Missing |
## Description
Capture and stream stdout/stderr from spawned harness CLIs in real-time during effect execution. Enable live progress visibility for operators.
## Current State
CLI-based `invokeHarness()` captures output only after process exits. Pi adapter supports streaming via `PiSessionHandle.subscribe()`, but this is Pi-specific and not generalized across harnesses. No unified streaming output capture.
## Target State
Real-time stdout/stderr streaming from spawned harness processes. Stream events visible in embedded SDK dashboard. Progress updates captured mid-execution.
## Dependencies
- None
## Key Files
| Component | Path |
|-----------|------|
| Harness invoker | `packages/sdk/src/harness/invoker.ts` |
| Embedded SDK dashboard (new) | `packages/sdk/src/dashboard/` |
## Recommendation
Phase 1 implementation. Pipe stdout/stderr from child processes in invokeHarness(). Stream events to embedded SDK dashboard via journal or direct channel.
documents
[]
Outgoing edges
None.
Incoming edges
contains_page1
- page:docs-harness-features-backlog·PageHarness Features Backlog: Gap Analysis (Restructured)