ver 1.4.2 bump - sandbox mount issue

echo-memory.plugin.src/commands/echo-doctor.md

@@ -5,7 +5,9 @@ description: Check ECHO readiness — Python, vault reachability, auth, bootstra
 Use the **echo-memory** skill to run a one-call readiness check before relying on memory.
 
 ```bash
-python3 "${CLAUDE_PLUGIN_ROOT}/skills/echo-memory/scripts/echo.py" doctor
+ECHO="${CLAUDE_PLUGIN_ROOT}/skills/echo-memory/scripts/echo.py"
+[ -f "$ECHO" ] || ECHO=$(ls /sessions/*/mnt/.remote-plugins/*/skills/echo-memory/scripts/echo.py 2>/dev/null | head -1)   # CoWork sandbox fallback
+python3 "$ECHO" doctor
 # Windows: use `python` or `py -3` if `python3` is not on PATH.
 ```