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msd-core/tests
Tom Boucher 2c718bf972 fix(#1521): resolve own runtime + worktrees-off for all non-Claude installs (#1537)
* fix(#1521): resolve own runtime + worktrees-off for all non-Claude installs

Generalizes the Codex-only #1515/#1519 fix to every non-Claude runtime, and
wires it into the real install path (where it was previously dead-on-arrival).

Root causes:
1. The runtime-default stamping lived only in `_applyRuntimeRewrites`, but the
   installer emits `gsd-core/workflows/*.md` via `copyWithPathReplacement`, which
   never calls it — so a real `--codex`/`--cursor`/etc. install emitted
   `--default claude` and worktrees-on. RUNTIME mis-resolved to claude and the
   workflow ran executors unisolated against the main checkout. (#1515/#1519 were
   also dead-on-arrival in real installs; this repairs them.)
2. Only `case 'codex'` was stamped; every other non-Claude runtime kept the
   Claude default.

Fix:
- New `_stampNonClaudeRuntimeDefaults(content, runtime)` (single shared helper)
  stamps `--default <runtime>` + `use_worktrees=false` for every `runtime !=
  claude`; called from both `_applyRuntimeRewrites` and, crucially,
  `copyWithPathReplacement` in bin/install.js (the real workflow emit path).
- Generalize the fail-closed worktree guard `= codex` -> `!= claude` in
  execute-phase/quick/diagnose-issues (worktree isolation is Claude-Code-only).
- Flip manager/autonomous inline-vs-background gating to `codex -> background,
  everything-else -> inline` (research: only Codex can background-nest the
  pipeline's subagents; all others run inline, which they support).

Worktree-capability determination is research-backed (official docs for all 14
non-Claude runtimes: none honor GSD's isolation="worktree" mechanism, only Codex
background-nests). New end-to-end real-install test asserts the EMITTED workflow
is stamped — the regression guard that would have caught the dead-on-arrival bug.

Closes #1521

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013vX5eUtWa2wsZEyeMf5i3r

* chore(#1521): backfill changeset PR number (#1537)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013vX5eUtWa2wsZEyeMf5i3r

---------

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-21 13:48:47 -04:00
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