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* feat(#1914): OpenCode native plugin integration (Option 1 file-copy) Ship a native OpenCode plugin (.opencode/plugins/gsd-core.js) plus the installer step that delivers it, so GSD's lifecycle hooks run on OpenCode. OpenCode declares hooksSurface:'none', so GSD's hook scripts already ship to <configDir>/hooks/ but nothing invokes them; the plugin bridges OpenCode's event bus onto those scripts as subprocesses (prompt/read/worktree/workflow guards, injection scanner, context monitor). Distribution is Option 1 (file copy) per the #1914 triage decision: no scripts.build rename, no prepare/prepack removal. package.json gains main + .opencode in files[] for discovery. Corrected against OpenCode's docs + loader source (not the reference branch): - Auto-discovery globs {plugin,plugins}/*.{ts,js} — .cjs is never matched, so the installed adapter must be .js (config dir carries {"type":"commonjs"}). - No opencode.json plugin-array patch — that array is npm-only; local files are auto-discovered. - REPO_ROOT is resolved by walking up to the dir holding hooks/ + gsd-core/, correct for package tree, global install, and local install. - Config-hook registration is gated (IS_PACKAGE_TREE) so it never double-registers commands/agents/skills already delivered by native copy. Also fixes an incidental .gitignore drift: 8 ADR-1239 .cts-generated .cjs artifacts were untracked-and-not-ignored (leak risk) — now ignored. Tests: tests/opencode-plugin-adapter.test.cjs (14, pure helpers + real subprocess bridge against stub hooks); golden-install-parity regenerated. Green on Mac + Linux (gsd-test): 0 failures. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * fix(#1914): harden OpenCode plugin export shape + advisory accumulation (adversarial findings) Address Codex adversarial-review findings: - HIGH: export `{ id, server }` could trip OpenCode's loader (`for (entry of Object.values(mod)) getServerPlugin(entry)` throws on a non-extractable value). Make `id` NON-ENUMERABLE and assign module.exports from a variable (not a literal) so no string `id` is ever iterated — verified loader-safe under real import(pathToFileURL) (default + module.exports alias, both objects with .server; no bare id string). - MEDIUM: sequential advisory hooks clobbered output.metadata._gsdAdvisory; now accumulate into an array. - LOW: resolveRepoRoot fallback returned ".." while the comment said "../.." — aligned to "../.." (package-tree depth). Tests: added a faithful loader-loop emulation (raw CJS + ESM namespace views), advisory-accumulation, and a real bin/install.js copy→manifest→uninstall integration test. golden regenerated. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * docs(#1914): add changeset fragment for OpenCode plugin integration (PR #1923) Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * fix(#1914): Windows — assert rewritten path with string include, not path-regex The Read content-rewrite test built a RegExp from `path.join(root,'gsd-core')`. On Windows the backslashes in the path are interpreted as regex escapes, so the assertion never matched and `test (windows-latest, 24)` failed — even though the adapter rewrote the path correctly. Replace the RegExp with a separator-agnostic `String.includes` check (the repo's no-path-literal-in-assert concern). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
GSD Core documentation
Documentation is organised into four quadrants: tutorials help you learn by doing, how-to guides solve specific tasks, reference states authoritative facts, and explanation explores concepts and design decisions.
Language versions: English · Português (pt-BR) · 日本語 · 简体中文
Tutorials
- Your first project — install to first shipped phase, one guaranteed path
- Onboarding an existing codebase — bring GSD Core to a brownfield repo
- Build your first capability — author a tiny declarative capability and watch it act in the loop
- Install your first capability — install a third-party capability end-to-end: consent, verify, check for updates, remove
How-to guides
- Install on your runtime — runtime-specific install steps for all 16 supported runtimes
- Install a minimal GSD and add skills later — install only the core skills, then grow the surface with profiles and
/gsd:surface - Attach a plugin-provided skill to a GSD agent — use the
global:plugin:skillentry form to load Claude Code plugin skills into agent prompts - Discuss a phase — capture implementation decisions before planning begins
- Resolve edge-coverage findings — turn the spec phase's surfaced domain-boundary edges into covered, dismissed, or backstopped spec decisions
- Resolve prohibition findings — turn the spec phase's surfaced must-NOT constraints into resolved, dismissed, or deferred spec decisions
- Plan a phase — run research, decompose work, and verify plan quality
- Execute a phase — run plans in parallel waves with fresh-context subagents
- Verify and ship — walk through completed work, diagnose failures, and create the PR
- Run phases autonomously — use autonomous mode for unattended phase execution
- Handle quick and fast tasks — use
/gsd-quickand/gsd-fastfor ad-hoc work outside the phase loop - Configure model profiles — switch between quality, balanced, and budget model tiers
- Set up cross-AI review — configure a second AI to review code produced by the primary agent
- Work in parallel with workstreams — run independent lines of work simultaneously using workstreams
- Isolate work with workspaces — use workspaces to sandbox experimental or risky changes
- Debug a failed execution — diagnose and recover from broken or incomplete phase execution
- Spike and sketch — use
/gsd-spikeand/gsd-sketchfor exploratory work before committing to a plan - Design a UI phase — use the UI phase loop for frontend and visual work
- Develop a Capability for GSD 1.5+ — add feature Capabilities, hook fragments, and registry entries
- Add or update a host's integration — set a host's documentation-sourced
runtime.hostIntegrationaxes (ADR-1239 Phase A), with theundocumentedsentinel rule - Turn a capability off (and keep it off) — disable a capability via the surface, or gate individual hooks off without removing the capability
- Drive GSD from a tracker issue — start a phase from a GitHub, Linear, or Jira issue
- Migrate from GSD 2 — upgrade an existing GSD 2 project to GSD Core
- Update GSD — re-run the installer to pick up the latest release
- Clean up get-shit-done-cc — remove leftover old-package artifacts that cause a spurious
⬆ /gsd:updateindicator after migrating to@opengsd/gsd-core - Fix the worktree base-mismatch (exit 42) error — resolve the branch-divergence condition that halts parallel phase execution
- Recover and troubleshoot — fix common problems, rebuild context, and uninstall
Reference
- Commands — every command with flags and examples
- Configuration — full config schema, model profiles, git branching strategies
- CLI tools —
gsd-tools.cjsprogrammatic API for workflows and agents - Features — complete feature index
- Inventory — installed skills and surface map
- STATE.md schema — field-by-field reference for
.planning/STATE.md - CONTEXT.md schema — field-by-field reference for
.planning/phases/<N>/CONTEXT.md - PLAN.md schema — field-by-field reference for
.planning/phases/<N>/PLAN.md - Planning artifacts — all
.planning/files and their roles - Review and verification capabilities — code review, security, and Nyquist capability ownership and hook contracts
- Capability matrix — generated catalogue of every capability's role, tier, extension points, hook kinds, and
engines.gsd - Capability manifest — the full
capability.jsonschema and validation rules gsd capabilitycommand — install / update / remove / list reference for third-party capabilities
Explanation
- Context engineering — how context rot forms and how GSD Core prevents it
- The phase loop — design rationale for the Discuss → Plan → Execute → Verify → Ship cycle
- Multi-agent orchestration — how subagents are spawned, scoped, and coordinated
- Security model — trust boundaries, permissions, and safe automation
- The capability trust model — why third-party capabilities are gated by consent + integrity + reversibility, not a sandbox
- How overlay capabilities compose — why first-party always wins and how the loader resolves precedence, conflicts, and fail-closed gates
- Architecture — system architecture, agent model, and data flow
- Discuss modes — assumptions mode vs interview mode for
/gsd-discuss-phase - Context monitoring — context window monitoring hook architecture
- Issue-driven orchestration — recipe for driving GSD from a tracker issue using existing primitives
Related
- Root README — landing page, quickstart, and documentation overview
- Changelog — release history