9c20b7b40a
Seven findings from the two-axis review, all fixed in place. THE ONE THAT MATTERS: cmdTodoComplete validated sourcePath and targetPath and then ran every fs call against the RAW strings — existsSync, statSync, readFileSync, platformWriteSync, unlinkSync, and the dry-run path payload — never sourceCheck.resolved / targetCheck.resolved. That is the exact "validate one path, use another" shape ADR-4650 names as the defect this epic exists to prevent, and it is the same bug this phase had just fixed in check-command-router. Committed inside the fix for it. All I/O now uses the resolved paths; user-facing messages still echo the raw filename, never a resolved absolute path. A VACUOUS TEST, and the false doc claim it was propping up. The test "[RED #4327] an absolute path outside the project is rejected" would have passed with ZERO containment logic: path.join(pendingDir, '/abs/outside/x') yields <pendingDir>/abs/outside/x — Node does not let a later absolute segment escape — so the name is FOLDED under the root, passes containment, and simply 404s. The test only ever observed "Todo not found". It now asserts what is actually true and actually valuable: an absolute name is neutralized, and the real outside file is not read, not moved, and still present afterward. docs/CLI-TOOLS.md claimed such a path "is rejected as a usage error", which was false; it now describes the fold-under-root behavior. Traversal and embedded separators ARE rejected, and those claims stand. DUPLICATION THIS EPIC EXISTS TO REMOVE. resolvePath already did isAbsolute-or-join + validatePath + reject; cmdGapAnalysisPlanPost and cmdCheckPredicate each re-inlined the identical triplet in the same file. Both now call resolvePath. Cost, stated rather than hidden: its generic message replaces the two sites' distinct "phase-dir escapes…" wording. The message still names the offending input, and one predicate with one message is the point. SYMLINK COVERAGE was required by #4652's "Done when" and was missing. Added for both the todos root and --phase-dir, skipping cleanly on EPERM so the Windows lanes do not fail where unprivileged symlink creation is disallowed. Both fast-check properties were UNSEEDED. Seeded now. The changeset named "check decision-coverage-plan" as a boundary; that is a caller of the shared resolvePath, which the body never mentioned. Corrected. DISCLOSED, not hidden: ctx.phaseDir is now always the resolved ABSOLUTE path, so ${PHASE_DIR} interpolation and the "not found in <targetDir>" message show an absolute value where a relative --phase-dir previously produced a relative one. That is an observable output change. A test pins it and docs/reference/gate-predicates.md states it. Also regenerated scripts/lib/platform-conformance-tier.generated.cjs and its macos twin — the new tests changed check-predicate.test.cjs's tier classification. Caught by npm run lint:ci locally rather than by a bench run. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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.