fix: set OPENCLAW_VERSION from package.json for correct version display

Dockerfile

@@ -48,6 +48,8 @@ RUN echo "[build][layer2] Clone + install + build..." && START=$(date +%s) \
   && test -d extensions/whatsapp && echo "[build] OK extensions/whatsapp" \
   && test -d dist/control-ui && echo "[build] OK dist/control-ui" \
   && mkdir -p /app/openclaw/empty-bundled-plugins \
+  && node -e "console.log(require('./package.json').version)" > /app/openclaw/.version \
+  && echo "[build] version: $(cat /app/openclaw/.version)" \
   && echo "[build][layer2] Total clone+install+build: $(($(date +%s) - START))s"
 
 # ── Layer 3 (node): Scripts + Config + Token 注入 ─────────────────────────────

scripts/entrypoint.sh

@@ -55,6 +55,12 @@ if [ -x /home/node/scripts/inject-token.sh ]; then
 fi
 echo "[TIMER] Token inject: $(($(date +%s) - INJECT_START))s"
 
+# ── Set version from build artifact ────────────────────────────────────────
+if [ -f /app/openclaw/.version ]; then
+  export OPENCLAW_VERSION=$(cat /app/openclaw/.version)
+  echo "[entrypoint] OpenClaw version: $OPENCLAW_VERSION"
+fi
+
 # ── Start OpenClaw via sync_hf.py (don't wait for DNS — it runs in bg) ─────
 echo "[entrypoint] Starting OpenClaw via sync_hf.py..."
 echo "[entrypoint] DNS resolution running in background (PID $DNS_PID), app will use it when ready"