6e9f8bf50b
Removes all three inline copies of the fenced-code state machine from
src/roadmap-parser.cts and replaces them with calls to
tokenizeHeadings() from the canonical markdown-sectionizer seam
(ADR-1372 T4).
Changes:
- Drop stripFencedLines() function (copy 1 of 3 — standalone helper)
- Rewrite computeSectionEnd() using tokenizeHeadings() offsets into
the original content (copy 2 — inline fence loop); the returned
character offset is preserved exactly for all inputs
- Rewrite getMilestonePhaseFilter() versionOverride fence loop using
tokenizeHeadings() (copy 3 — inline); sectionEnd offset preserved
- Replace stripFencedLines(roadmap) + unanchored phasePattern.exec()
with tokenizeHeadings(roadmap) filtered by level and phase-heading
pattern; headings in inline HTML comments (<!-- ## Phase N: -->)
are no longer mis-counted (anchored ATX detection is correct)
- Add import { tokenizeHeadings } from ./markdown-sectionizer.cjs
Offset preservation: tokenizeHeadings() records h.offset as the
character index of '#' in the ORIGINAL content; computeSectionEnd()
and the versionOverride path both use h.offset directly as the
section-end character offset — no stripping, no shift.
Corpus head-to-head: 29/30 slots are byte-identical to origin/next.
The 1 diff (getMilestonePhaseFilter phaseCount for the HTML-comment
fixture: 3→2) is an improvement: the old unanchored regex counted
"## Phase 998:" embedded in "<!-- ## Phase 998: ... -->" mid-line;
tokenizeHeadings() correctly requires '#' at line-start (ATX rule).
No existing test asserts on that count; feat-3594 passes unchanged.
All 122 roadmap/milestone/phase tests green.
Co-authored-by: Claude Sonnet 4.6 <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.