feat(link): ConnectionHub 统一 WiFi/ECAT/BLE 端点与健康态

各页不再各自读写 dcu_esp_ip / dcu_ecat_adapter：deviceLink 提供
wifiBaseUrl/ecatPost/adapter API，OTA/CAN/motor/ecat_load/lab 走同一入口。
连接灯只覆盖在线布尔，保留调用方语义文案。

lab/lan9252_pm.html

@@ -443,8 +443,8 @@
     return ecatPost("native/health", {}, 6000).then(function (h) {
       var open = h.json && h.json.bus_open;
       if (open) return { ok: true, log: ["总线已 open"], json: h.json };
-      var adapter = "I210";
-      try { adapter = localStorage.getItem("dcu_ecat_adapter") || "I210"; } catch (e) {}
+      var adapter = (window.__pmDeviceLink && window.__pmDeviceLink.getEcatAdapter)
+        ? window.__pmDeviceLink.getEcatAdapter() : "I210";
       log("总线未 open，调用 /api/open (" + adapter + ") …");
       return ecatPost("open", { substr: adapter }, 20000);
     });

lab/spi_test.html

@@ -631,7 +631,7 @@ const spiOut = $("#out"), spiHist = $("#hist"), btnAbort = $("#btnAbort");
 const spiBtns = [$("#btnRun"), $("#btnRtt"), $("#btnStress")];
 let spiCtl = null;
 try { const saved = ls("spi_test_ip"); if (saved) $("#ip").value = saved; } catch (_) {}
-/* 设备 IP 与控制台其它页共用 dcu_esp_ip：其它页改过 IP，这里不必再手敲一遍 */
+/* 设备 IP 与 ConnectionHub / 其它页共用 dcu_esp_ip：其它页改过 IP，这里不必再手敲一遍 */
 if (!ls("spi_test_ip")) { const shared = ls("dcu_esp_ip"); if (shared) $("#ip").value = shared; }
 
 function spiBusy(busy, cls, text) {