This release adds 2 notable features for engineering teams evaluating rollout.
✓ No known CVEs patched in this version
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ReleasePort's take
Light signalv1.7.3 introduces two new tools for multi-agent orchestration. `delegate` spawns subagents with real-time streaming output and timeout support, while `goal` iterates workflows until bash checks pass (max 128 iterations, with progress persistence).
Why it matters: Teams can orchestrate multi-agent workflows with iteration control (max 128 cycles) and progress persistence. Real-time output streaming enables observability. Test in dev; plan automation integration.
Summary
AI summaryAdd delegate and goal tools for multi-agent workflows.
Changes in this release
| Type | Severity | Summary | CVE |
|---|---|---|---|
| Feature | Medium |
Added `delegate` tool for spawning mi subagents with real-time output streaming and optional timeout. Added `delegate` tool for spawning mi subagents with real-time output streaming and optional timeout. Source: llm_adapter@2026-05-21 Confidence: high |
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| Feature | Medium |
Introduced `goal` tool to iterate subagents until a bash check command exits 0, supporting up to 128 iterations with progress file persistence. Introduced `goal` tool to iterate subagents until a bash check command exits 0, supporting up to 128 iterations with progress file persistence. Source: llm_adapter@2026-05-21 Confidence: high |
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Full changelog
Add delegate and goal tools for multi-agent workflows.
- delegate: spawn a mi subagent with a prompt, streams output in real-time, optional timeout
- goal: iterate subagents until a bash check command exits 0, uses a progress file so iterations build on prior work (up to 128 iterations)
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Earlier breaking changes
- v1.8.0 Goal tool's `check` parameter now a judge prompt, not bash command.
Beta — feedback welcome: [email protected]