c3e2da153b
* test(#4134): fail-first regression — refuse punctuation-fragment milestone names A first-milestone ROADMAP.md H1 that puts the version after the name (# Roadmap: Project — Name (v1.13)) leaves exactly ')' after the heading's own version token, which the ADR-3180 §7.2 pinned name rule returns as a COMPLETE-scope milestone name. Failing-first coverage: - getMilestoneInfo: name-then-version H1 (STATE-anchored + ROADMAP-only fallback) must yield TRUNCATED {version, name: null}, never ')' - the refusal is level-agnostic (H2/H3) - punctuation-family remainders (')', '()', '**', '.,;:', ']}', emoji-only) - listMilestoneHeadings enumerates the heading with name: null - init manager CLI reports milestone_name: null and no lone ')' anywhere - property (seed 20260905, 300 runs): a word-char remainder is always a name, a punctuation-only remainder never is - negative space: canonical delimiter forms, parenthetical names (#3171), trailing markers, digit-only names, CRLF headings, version-last-no-parens control * fix(#4134): refuse punctuation-only milestone heading names extractMilestoneHeadingName returns everything after the heading's own version token as the name (ADR-3180 §7.2 pinned rule), which assumes version-then-name. A name-then-version heading — the H1 a first-ever ROADMAP.md drifts into ('# Roadmap: Project — Name (v1.13)') — leaves exactly ')' after the token, and that fragment was returned as a COMPLETE-scope milestone name, propagating into init.* JSON output and buildStateFrontmatter's STATE.md writes. A remainder with no letter or digit anywhere (any script) is heading structure, not a curated name: refuse it as name: null so callers report the honest §7.2 rule-6 answer (version kept, TRUNCATED scope). Names that merely contain punctuation are unaffected — '(' stays an ordinary name character (#3171) — and digit-only names qualify. Also closes the template gap that lets the shape occur: the roadmapper agent's output_formats now templates the version-free canonical H1 ('# Roadmap: [Project Name]', per templates/roadmap.md) instead of leaving a first milestone's title line to invention. The new section shifts the file's existing bare-gsd-tools prose mention from line 647 to 660, so its line-keyed PROSE_ALLOWLIST entry moves with it. Emitted-Drift-Ack-Growth: gsd-roadmapper.md — deliberate +498 bytes: new '### 0. Top-Level Title (H1)' output_formats section templating the canonical version-free H1, closing the first-milestone template gap that lets an H1 drift into 'Name (vX.Y)' and corrupt milestone_name extraction (#4134) * chore(#4134): add changeset * chore(#4134): backfill PR number in changeset --------- Co-authored-by: sim <sim@local>
GSD Core
Git. Ship. Done.
English · Português · 简体中文 · 日本語 · 한국어
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.