* test(#3674): characterize existing wave-dispatch output and add tests for the extracted partitioner Pins resolveWaveDispatch's and emitWorkflowScript's current, unextracted output (chain-overlap, disjoint-empty-set, and a multi-wave/multi-stage golden script) as a regression safety net ahead of extracting partitionStages into a standalone module. Also adds the new module's unit and property tests (test matrix rows 1-11) against its expected public API, which does not exist yet and is added in the next commit. * feat(#3674): extract file-overlap partitioner into a shared, generic module Moves partitionStages' greedy first-fit file-overlap algorithm into a new, dependency-free src/file-overlap-partitioner.cts module (partitionByFileOverlap), generalized over a plain {id, files}[] shape rather than claude-orchestration.cts's Plan/Wave interfaces. partitionStages becomes a thin adapter mapping its own Plan[] shape onto the generic input and back — behavior-preserving, no dependency ordering, no path normalization, no filesystem access moved or added. Enables a future consumer (quick-batch, #3675 / ADR-1239) to reuse the same primitive without pulling in orchestration internals. * docs(#3674): register the file-overlap-partitioner module bookkeeping New src/*.cts -> bin/lib/*.cjs modules need four hand-maintained registrations beyond the code itself: .gitignore (compiled artifact), eslint.config.mjs (ADR-457: lint the .cts, not the emitted .cjs), docs/INVENTORY.md's CLI Modules roster row (regenerated via gen-inventory-manifest.cjs --write), and a CONTEXT.md glossary entry matching the convention set by similarly-scoped leaf modules (text-lines.cts, plan-dependency-graph.cts, spec-section.cts). * fix(#3674): alphabetize INVENTORY.md row, manifest regen no-op, fast-check import already correct - docs/INVENTORY.md: move file-overlap-partitioner.cjs row to alphabetical position - docs/INVENTORY-MANIFEST.json: regenerated via gen-inventory-manifest.cjs --write, produced no diff (manifest is keyed by content, not row order) - tests/claude-orchestration.test.cjs's direct require('fast-check') is correct as-is: tests/helpers/fast-check-setup.cjs's own docstring scopes the shared-seed wrapper to "every *.property.test.cjs file"; claude-orchestration.test.cjs is not a .property.test.cjs file, and every .property.test.cjs file sampled uses the wrapper consistently. No outlier. * fix(#3674): constrain the no-overlap property test to unique ids, fixing an ambiguous duplicate-id reconstruction The `no two plans in the same stage share a modified file` property reconstructs which physical item produced each output id via `remaining.findIndex(r => r.id === id)`. Under duplicate ids (an explicitly-supported input shape for `partitionByFileOverlap`) that reconstruction can pick the wrong physical occurrence, producing a false-positive overlap failure (observed counterexample: p0(f1), p208(f1), p208([]) — correctly staged as [[p0,p208#2],[p208#1]], but misread by id-order as [[p0,p208#1],...], which do overlap). Properties (a) determinism and (b) totality already exercise duplicate ids correctly and are left unchanged; only this property's generated items are now constrained to unique ids via `fc.uniqueArray`, where the reconstruction is unambiguous. --------- Co-authored-by: sim <sim@local>
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, Antigravity 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, Antigravity 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, Antigravity 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 a new project or onboard an existing repo:
/gsd-new-project # greenfield project
/gsd-onboard # existing codebase
New here? Follow Your first project for a guided walkthrough from install to first shipped phase, or Onboarding an existing codebase for brownfield setup.
Documentation
What's new in 1.7.0 → docs/whats-new-1.7.0.md
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.