fix: 通过主工作区契约委派 tran

tools/tran

@@ -1,11 +1,20 @@
 #!/bin/sh
 set -eu
 
-self_dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
-primary_workspace=$(CDPATH= cd -- "$self_dir/../../.." && pwd)
-shared_tran="$primary_workspace/scripts/tran"
+primary_workspace=${AGENTRUN_WORKSPACE_PATH:-}
 
-if [ ! -x "$shared_tran" ]; then
+case "$primary_workspace" in
+  /*) ;;
+  *)
+    printf '%s\n' '{"ok":false,"failureKind":"tool-unavailable","message":"runner did not provide an absolute primary workspace path","source":"primary-workspace","valuesPrinted":false}' >&2
+    exit 2
+    ;;
+esac
+
+shared_tran="$primary_workspace/scripts/tran"
+shared_cli="$primary_workspace/scripts/ssh-cli.ts"
+
+if [ ! -x "$shared_tran" ] || [ ! -f "$shared_cli" ]; then
   printf '%s\n' '{"ok":false,"failureKind":"tool-unavailable","message":"primary UniDesk workspace does not provide executable scripts/tran","source":"primary-workspace","valuesPrinted":false}' >&2
   exit 2
 fi