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* enhance(execute): isolated-executor rejected/over-reaching run fails safe (#1292) When an isolated (worktree) executor run is rejected — the user declines to merge it, the orchestrator surfaces recovery for a blocked/halted plan, or the run over-reached the requested scope — the orchestrator must no longer default/propose recovery by editing the primary checkout (`main`). Absent an explicit guardrail, the LLM orchestrator could improvise "continue on main", inverting the isolation contract at the moment it matters most. Added an ISOLATED-RUN RECOVERY — FAIL SAFE policy: default to a safe halt that offers a fresh, narrowly-scoped worktree or inspect/discard; editing the primary checkout requires explicit, clearly-labeled confirmation and is never the default/proposed option. To respect the ADR-857 phase-6 host-loop size cap on execute-phase.md (it sits just under the pre-phase-6 baseline), the policy is delivered as an extracted reference fragment rather than inline: - New `execute-phase/steps/worktree-recovery-policy.md` holds the recovery policy (the existing FAIL-CLOSED rule #48 for base/HEAD mismatches + the #1292 fail-safe guardrail). No #48 behavior change — moved verbatim. - execute-phase.md references the fragment at the worktree-spawn recovery point, the step-5.5 merge decision, and the stalled-agent "switch to inline execution" menu (which for an isolated run now follows the fail-safe policy). Net effect: execute-phase.md shrinks below its cap. - quick.md carries the fail-safe guardrail inline at its post-return merge/discard decision (quick.md is not size-capped). Scoped to the recovery offer only — no automatic scope-overreach detection (explicitly out of scope per the issue) and no new config key. Adds content regression tests, a USER-GUIDE note, and a workflow size-baseline update. Closes #1292 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * chore(changeset): Changed fragment for #1292 isolated-executor fail-safe recovery Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
GSD Core
Git. Ship. Done.
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A light-weight meta-prompting, context engineering, and spec-driven development system for Claude Code, OpenCode, Gemini CLI, Kimi CLI, Kilo, Codex, Copilot, Cursor, Windsurf, and more.
What is GSD Core
GSD Core is a context-engineering and spec-driven development framework that drives AI coding agents (Claude Code, Codex, Gemini CLI, Kimi CLI, Copilot, Cursor, and more) through a disciplined phase loop. It solves context rot — the quality degradation that accumulates as an AI fills its context window — by running all heavy research, planning, and execution work in fresh-context subagents while keeping your main session lean.
How it works
Each milestone repeats the same five-step loop, one phase at a time:
- Discuss — capture implementation decisions before anything is planned
- Plan — research, decompose, and verify the plan fits a fresh context window
- Execute — run plans in parallel waves; each executor starts with a clean 200k-token context
- Verify — walk through what was built; diagnose and fix before declaring done
- Ship — create the PR, archive the phase, repeat for the next one
Quickstart
npx @opengsd/gsd-core@latest
The installer prompts for your runtime (Claude Code, OpenCode, Gemini CLI, Kimi CLI, Kilo, Codex, Copilot, Cursor, Windsurf, and more) and whether to install globally or locally. The installer is required for cross-runtime compatibility — do not copy files from agents/ or commands/ directly.
On another runtime or without Node.js? See Install on your runtime.
Once installed, start your first project:
/gsd-new-project
New here? Follow Your first project for a guided walkthrough from install to first shipped phase.
Documentation
Tutorials — learning by doing:
How-to guides — task-focused recipes:
Reference — authoritative facts:
Explanation — concepts and design decisions:
Full index: docs/README.md. Other languages: 日本語 · 한국어 · Português · 简体中文.
Why it works
Most AI-coding setups fail at scale because context bloat silently degrades output quality, there is no shared memory between sessions, and nothing verifies that code actually works. GSD Core solves all three: heavy work runs in fresh subagents, structured artifacts like STATE.md and CONTEXT.md survive session boundaries, and the verify step walks through what was built and generates fix plans before a phase is declared done. See docs/explanation/context-engineering.md for the full reasoning.
Troubleshooting? See docs/how-to/recover-and-troubleshoot.md.
Community
| Project | Platform |
|---|---|
| gsd-opencode | Original OpenCode port |
| Discord | Community support |
Star History
License
MIT License. See LICENSE for details.
Claude Code is powerful. GSD Core makes it reliable.