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* fix(#619): resolve gsd-tools via runtime shim in codebase-drift-gate The post-execution drift check ran the bare PATH binary `gsd-tools verify codebase-drift`. On a shim-only install (gsd-tools.cjs present, `gsd-tools` not on PATH) that exits 127, `2>/dev/null` hides it, and the `|| echo` fallback marks the gate skipped — so codebase-drift detection silently never runs. Non-blocking by contract, so nothing surfaced; it just quietly stopped working. Resolve gsd-tools through the runtime shim launcher (gsd_run) instead. The canonical launcher preamble is now defined once in the always-run drift-check block (the file's first gsd_run block); the conditional auto-remap block reuses gsd_run from the workflow's shared shell scope, keeping the file compliant with the single-canonical-preamble parity invariant (tests/runtime-launcher-parity.test.cjs). This is the same single-preamble pattern established by discuss-phase (#614). Non-blocking is preserved for the drift command's internal failures via the unchanged `|| echo '{"skipped":...}'` fallback. Scope decision (the issue's open question): workflow step-file bash blocks share one shell scope, so the preamble is defined once before the first gsd_run call — matching discuss-phase and enforced by the parity test. Regression test (bug-619-...): contract assertions (gsd_run not bare gsd-tools; single preamble in the drift block; fallback intact) plus a behavioral proof that runs the shipped drift-check block against a shim-only topology and asserts the shim actually executes where the old bare-binary form would have skipped. Red→green verified. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * chore(#619): add changeset for codebase-drift-gate shim fix Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
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6.4 KiB