fix(k1): harden BLE discovery and bridge recovery

apps/control-station/test/devicePluginContracts.test.mjs

@@ -19,6 +19,7 @@ let presentation;
 let operatorIntentGeneration;
 let configuration;
 let compatibility;
+let networkProvisionFailureMessage;
 
 before(async () => {
   server = await createServer({
@@ -62,6 +63,9 @@ before(async () => {
   ({ localizeRuntimeMessage } = await server.ssrLoadModule(
     "@xgrids-k1/frontend/messages.ts",
   ));
+  ({ networkProvisionFailureMessage } = await server.ssrLoadModule(
+    "@xgrids-k1/frontend/useXgridsK1Runtime.ts",
+  ));
 });
 
 after(async () => {
@@ -216,6 +220,7 @@ test("installed XGRIDS frontend manifest exposes the semantic v1alpha2 actions",
   assert.equal(xgridsK1Actions.acquisitionPrepare, "acquisition.prepare");
   assert.equal(xgridsK1Actions.acquisitionStart, "acquisition.start");
   assert.equal(xgridsK1Actions.acquisitionStop, "acquisition.stop");
+  assert.equal(xgridsK1Actions.connectionVerify, "connection.verify");
 });
 
 test("one operator action can open at most one K1 control session", () => {
@@ -693,3 +698,56 @@ test("device mutations send explicit nested compatibility attestation", async ()
   assert.deepEqual(prepare.input.compatibility_attestation, attestation);
   assert.equal(prepare.input.project_name, "Mission 01");
 });
+
+test("connection verification supports refresh and explicit read-only adoption", async () => {
+  const originalFetch = globalThis.fetch;
+  const calls = [];
+  globalThis.fetch = async (path, init) => {
+    calls.push({ path, init });
+    return new Response(JSON.stringify({ state: { source_mode: "idle" } }), {
+      status: 200,
+      headers: { "Content-Type": "application/json" },
+    });
+  };
+  const attestation = {
+    firmware_version: "3.0.2",
+    topology: "direct-lan",
+    verification: "live-device-info",
+  };
+
+  try {
+    await xgridsK1Api.verifyConnection();
+    await xgridsK1Api.verifyConnection({
+      device_id: "fresh-ble-device",
+      compatibility_attestation: attestation,
+    });
+  } finally {
+    globalThis.fetch = originalFetch;
+  }
+
+  assert.equal(calls.length, 2);
+  assert.match(String(calls[0].path), /actions\/connection\.verify$/);
+  assert.match(String(calls[1].path), /actions\/connection\.verify$/);
+  assert.deepEqual(JSON.parse(calls[0].init.body), { input: {} });
+  const adoption = JSON.parse(calls[1].init.body).input;
+  assert.deepEqual(adoption, {
+    device_id: "fresh-ble-device",
+    compatibility_attestation: attestation,
+  });
+  assert.equal("ssid" in adoption, false);
+  assert.equal("password" in adoption, false);
+  assert.equal("connection_mode" in adoption, false);
+});
+
+test("rejected network-profile writes use safe operator copy", () => {
+  const message = networkProvisionFailureMessage({
+    status: "failed",
+    error: { code: "BleakGATTProtocolError" },
+  });
+
+  assert.equal(
+    message,
+    "Сканер отклонил запись сетевого профиля. Результат изменения сети неизвестен; автоматический повтор запрещён. Проверьте текущее состояние K1 или подхватите существующее подключение без изменения настроек Wi‑Fi.",
+  );
+  assert.doesNotMatch(message, /Bleak|GATT|ATT/i);
+});