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* feat(#1077): phase 5f-2 — drive the hookEvents dialect (PostToolUse/AfterTool) from the descriptor postToolEvent (bin/install.js) and preToolEvent (applySettingsJsonHooks in runtime-hooks-surface.cts) now select the event-name dialect from registry.runtimes[id].runtime.hookEvents instead of the hardcoded (runtime === 'gemini' || runtime === 'antigravity') check: hookEvents === 'gemini' → AfterTool/BeforeTool; else → PostToolUse/PreToolUse. hookEvents threaded into the applySettingsJsonHooks opts bag. Equivalence-preserving (Codex-verified): hookEvents 'gemini' is exactly {gemini, antigravity}, 'claude' the rest; undefined → claude dialect (matches the old else). The per-event SET guards (isQwen||claude → SubagentStop/Stop/PreCompact; runtime==='claude' → FileChanged; isGemini → Gemini agent-events) stay HARDCODED — hookEvents (2-value) is too coarse to drive them (the event set differs within hookEvents='claude'); per-event-set drive tracked in #1076. Registry-parity test (enh-1077): asserts BOTH post-tool (AfterTool/PostToolUse) AND pre-tool (BeforeTool/PreToolUse) dialects are a pure function of hookEvents, for gemini/antigravity/claude/augment — non-vacuous (catches a broken hookEvents thread). Closes #1077 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * test(#1077): build hooks/dist in before() so dialect-drive test passes in scoped CI hooks/dist is gitignored and absent in scoped/windows CI jobs that do not pre-run build:hooks. Without it, install() finds no hook files and all AfterTool/BeforeTool/PostToolUse/PreToolUse event arrays come back empty, failing every hook-presence assertion. Added an idempotent ensureHooksDist() called in a top-level before() — mirrors the pattern from bug-376-claude-js-hook-gsd-rewriter.test.cjs. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * feat(#1055): add installSurface/writesSharedSettings/permissionWriter/extendedHookEvents to runtime descriptors Purely additive: four new fields on all 16 runtime capability.json descriptors, validator extended with three new closed-vocab sets, registry regenerated. Test fixtures (VALID_RUNTIME_CAP and makeRuntimeCap) updated to include the new required fields so all 255 capability-registry tests continue to pass. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * feat(#1076): drive per-event hook guards from extendedHookEvents descriptor Replace hardcoded runtime-name checks (isQwen||runtime==='claude', runtime==='claude', isGemini) in applySettingsJsonHooks with a single descriptor-driven extendedEvents array derived from the new opts field. Remove isQwen and isGemini derivations (no remaining uses after the three guard blocks are migrated). Wire extendedHookEvents from the capability registry in bin/install.js call site. Add behavioral regression test (enh-1076-extended-hook-events-drive.test.cjs) confirming the drive is purely descriptor-based and runtime-name-agnostic. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * feat(#1055): drive resolveRuntimeConfigIntent from the runtime descriptor; retire hand-kept REGISTRY - Rewrites src/runtime-config-adapter-registry.cts to require capability-registry.cjs and read installSurface / writesSharedSettings / permissionWriter from runtimes[id].runtime; deletes the hand-kept REGISTRY const (ADR-857 phase 5g drive 2). - ALLOWED_CONFIG_RUNTIMES is now derived from descriptor entries that have installSurface. - Fixes the configFormat parity gate in scripts/gen-capability-registry.cjs to read installSurface directly from capMap descriptor bodies, breaking the require cycle (adapter now requires the generated registry; gen-script must not require the adapter). - Adds golden-master test tests/enh-1055-config-intent-descriptor-drive.test.cjs (41 tests) pinning all 16 runtimes' return shapes and the TypeError-on-unknown contract. - Updates scripts/lint-test-file-count.allowlist.json (config module, +1 file). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * feat(#1076): make hooksSurface descriptor load-bearing for the settings-json hook-skip - Adds hooksSurface?: string to ApplySettingsJsonHooksOpts and destructuring in applySettingsJsonHooks (src/runtime-hooks-surface.cts). - Replaces the hardcoded !isOpencode && !isKilo hook-skip guard with hooksSurface !== 'none'; removes the now-unused isOpencode/isKilo derivations (ADR-857 phase 5g drive 3). - Passes hooksSurface from the runtime descriptor at the applySettingsJsonHooks call site in bin/install.js using the established _capabilityRegistry?.runtimes?.[runtime]?.runtime?.hooksSurface idiom. - Extends tests/enh-1076-extended-hook-events-drive.test.cjs with two new suites proving: (a) hooksSurface:'none' writes no hooks regardless of runtime name; (b) hooksSurface:'settings-json' writes hooks even for 'opencode' (previously hardcoded to skip). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * docs: record installSurface/writesSharedSettings/permissionWriter/extendedHookEvents descriptor axes in ADR-1016 Add Decision 7a documenting the four axes added in the 5f-completion pass, update axis counts from "six" to "twelve", note 5f-completion drives as done in Decision 8's ladder, update Out of scope to reflect #1055/#1076 are done and 5g (InstallPlan capstone) remains the only open phase. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * fix(#1055): parity gate must fire on configFormat↔installSurface mismatch (read installSurface at the descriptor level) The test fixture makeRuntimeCapMap did not include installSurface in the runtime object, so the gate's typeof r.installSurface !== 'string' guard always skipped the entry and never threw. Added installSurface as an optional third parameter to makeRuntimeCapMap and passed the correct installSurface values ('settings-json' for claude, 'codex-toml' for codex) to the two THROWS tests. The gate implementation already reads r.installSurface correctly from the descriptor level. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * feat(#1076): add installSurface↔hooksSurface + extendedHookEvents↔hookEvents consistency gates with rejection tests GATE A: INSTALL_SURFACE_TO_ALLOWED_HOOKS_SURFACES map in validateRuntimeBody enforces that a runtime's hooksSurface is valid for its installSurface (e.g. profile-marker-only only allows none, codex-toml only allows codex-hooks-json). Derived from the 16 real runtime descriptors. GATE B: validateRuntimeBody checks that if extendedHookEvents contains Gemini agent-events (BeforeAgent/AfterAgent/BeforeModel), hookEvents must be 'gemini'; if it contains Claude-family events (SubagentStop/Stop/PreCompact/FileChanged), hookEvents must be 'claude'. Added 10 rejection tests in suite 27 covering each gate + each new field validator. All 16 real runtimes satisfy both gates (verified before coding). Exports: INSTALL_SURFACE_TO_ALLOWED_HOOKS_SURFACES, VALID_INSTALL_SURFACES, VALID_EXTENDED_HOOK_EVENTS, VALID_PERMISSION_WRITERS, validateRuntimeBody. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * test(#1076): strengthen hooksSurface-drive assertions; defensive hooksSurface fallback; drop vacuous dup 1. bin/install.js: add explicit literal fallback for hooksSurface when the committed capability registry fails to load (opencode/kilo → 'none', all others → 'settings-json'). The descriptor is always the source of truth in normal operation. 2. enh-1076 Suite 7: change SessionStart assertion from key-presence (hasOwnProperty) to at least-one-command (hasHooksFor), so the test fails if hooks are initialized-but-empty. ensureHooksDist() in before() guarantees hook files exist. 3. enh-1055 Test 2: remove vacuous duplicate suite that re-asserted intent.runtime === row.runtime already fully covered by Test 1's deepStrictEqual over all four fields. 4. capability-registry.test.cjs: fix stale comments in the grok-skip test that claimed the parity gate uses the adapter registry; gate reads purely from the descriptor (installSurface absent → typeof r.installSurface !== 'string' → soft-skip). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * feat(#1082): materialize the InstallPlan — collect install-level descriptor axes into resolveInstallPlan; route install()/finishInstall() through it (ADR-58/5g) Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * docs: record 5g InstallPlan materialization (ADR-58 Accepted, ADR-1016 phase-5 complete) ADR-1016 Decision 8 step 7 updated to DONE: resolveInstallPlan(runtime) in runtime-config-adapter-registry collects install-level descriptor axes into the typed InstallPlan consumed by install()/finishInstall(). Out-of-scope section updated: 5g capstone is complete, phase 5 fully materialized. ADR-1016 line ~20 updated: InstallPlan IS now materialized (both halves). ADR-58 Implementation note added (2026-06-11): realized in runtime-config-adapter-registry (co-located with adapter-selection). CONTEXT.md Runtime Config Adapter Registry entry extended to document resolveInstallPlan and both-halves realization. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * test(#1082): update install drift guard to the resolveInstallPlan seam (5g) Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> --------- Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.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
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 - Discuss a phase — capture implementation decisions before planning begins
- 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
- 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
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
- 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