release: bump version to 0.31.0

planet.sh

@@ -1054,6 +1054,14 @@ start_ai_provider_service() {
     exit 1
 }
 
+ai_provider_service_healthy() {
+    local ai_provider_port="${1:-$DEFAULT_AI_PROVIDER_PORT}"
+
+    docker inspect "$AI_PROVIDER_CONTAINER_NAME" >/dev/null 2>&1 || return 1
+    curl -s --max-time "$HTTP_CHECK_MAX_TIME" \
+        "http://localhost:${ai_provider_port}/health" >/dev/null 2>&1
+}
+
 ensure_database_services_healthy() {
     local retry=1
 
@@ -1130,7 +1138,15 @@ start_backend_service() {
     log_success "启动数据库已就绪"
     sleep 3
 
-    start_ai_provider_service "$ai_provider_port"
+    # Backend depends on AI Provider reachability, but a backend-only restart
+    # should reuse the existing healthy provider instead of rebuilding or
+    # restarting it.
+    if ai_provider_service_healthy "$ai_provider_port"; then
+        log_note "AI Provider 已健康，复用现有服务，跳过启动/重建"
+    else
+        log_note "AI Provider 当前不健康，先执行托底启动"
+        start_ai_provider_service "$ai_provider_port"
+    fi
 
     if [ "$backend_port_requested" -eq 1 ]; then
         kill_port_if_requested "$backend_port" "后端"