fix(#170): migrate workflow fallback hints to @opengsd package (#204)

* fix(#170): update workflow fallback install hint package

* chore(#170): add changeset for workflow fallback hint migration

* fix(#170): mark workflow-hint test as structural text contract

get-shit-done/workflows/map-codebase.md

@@ -77,7 +77,7 @@ elif command -v gsd-sdk >/dev/null 2>&1; then
   GSD_SDK="gsd-sdk"
 else
   echo "ERROR: gsd-sdk not found on PATH and $GSD_TOOLS does not exist." >&2
-  echo "Run: npx get-shit-done-cc@latest --claude --local" >&2
+  echo "Run: npx -y @opengsd/get-shit-done-redux@latest --claude --local" >&2
   exit 1
 fi
 INIT=$($GSD_SDK query init.map-codebase)