`context: fork` strips the `Agent` tool from a subagent's environment.
Spawning orchestrators (`/gsd-autonomous`, `/gsd-execute-phase`,
`/gsd-plan-phase`) depend on `Agent` to dispatch sub-agents; running
them forked silently disables the core capability they exist to provide
(#921). Remove `context: fork` from all three command frontmatter files.
`effort: xhigh` (introduced by #769) is preserved.
The `<runtime_compatibility>` Agent-availability guard added by #913 was
checking whether `Agent` was present *before* attempting the call. On
runtimes where the tool list is dynamically resolved this produced
false-negative aborts in sessions that have the tool (#922). Replace
the introspection-based pattern with an attempt-based gate: always
attempt the `Agent()` call; stop only if a real tool-unavailable error
is returned. This preserves #853's backgrounded-session close-off and
false negatives.
Tests updated: enh-769-context-fork-effort.install.test.cjs asserts the
three orchestrators lack `context: fork` and that the converter still
passes the field through for non-orchestrator commands; plan-phase-drift-
guard.test.cjs adds four assertions for the attempt-based gate language;
workflow-size-budget unchanged (budgets not exceeded).
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
(cherry picked from commit b866b95296)
* feat(#769): emit context:fork + effort: frontmatter on heavy workflow skills
Add `context: fork` and `effort: xhigh` to the three heaviest workflow
commands (plan-phase, execute-phase, autonomous) and `effort: low` to the
two quick-status commands (progress, stats).
On Claude Code, `context: fork` runs the skill in an isolated subagent
context window so the main session's context budget is protected.
`effort: xhigh` / `effort: low` signal the appropriate token-budget tier to
the runtime. Both fields are silently ignored by runtimes that do not
recognise them (Gemini, Codex, Cursor, etc.) — no behaviour change outside
Claude Code.
Update convertClaudeCommandToClaudeSkill in bin/install.js to preserve
`context:` and `effort:` when rewriting source command files to SKILL.md for
a Claude global install. Add install-suite tests to assert the fields are
present in both source commands and the installed SKILL.md output.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
* test(#769): tighten regex assertions + add execute/plan-phase effort coverage
Fix low-severity adversarial finding: tighten test regex patterns from
`\s*` to `[ \t]*` so they cannot match across newlines (CRLF parity).
Add missing effort: xhigh assertions for gsd-execute-phase and gsd-plan-phase
SKILL.md install output to complete the black-box coverage gap.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
---------
Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
