Harden read-only thread handling and refresh Android releases

public/downloads/boss-android-latest-aab.json

@@ -1,11 +1,11 @@
 {
   "artifactType": "aab",
-  "fileName": "boss-android-v2.5.5-release.aab",
-  "urlPath": "/downloads/boss-android-v2.5.5-release.aab",
-  "sizeBytes": 2928280,
-  "updatedAt": "2026-03-30T20:15:46Z",
-  "sha256": "5bc794884a621a2e970bf1a235bf07d0338bcec4205963ca442b70fcd75f9f23",
-  "versionName": "2.5.5",
-  "versionCode": 18,
+  "fileName": "boss-android-v2.5.11-release.aab",
+  "urlPath": "/downloads/boss-android-v2.5.11-release.aab",
+  "sizeBytes": 3170704,
+  "updatedAt": "2026-04-06T05:25:20Z",
+  "sha256": "7f4b8de9508c79af5442b9e200952dfb146bcb3586d79db90e2d2c243b77aa21",
+  "versionName": "2.5.11",
+  "versionCode": 24,
   "buildFlavor": "release"
 }

public/downloads/boss-android-latest.json

@@ -1,10 +1,10 @@
 {
-  "fileName": "boss-android-v2.5.5-release.apk",
+  "fileName": "boss-android-v2.5.11-release.apk",
   "urlPath": "/api/v1/user/ota/package",
-  "sizeBytes": 3108637,
-  "updatedAt": "2026-03-30T20:41:16Z",
-  "sha256": "43dde41b42b2bbc4256256edb3059803b3f9959da4e546b1d9c7addeafa03350",
-  "versionName": "2.5.5",
-  "versionCode": 18,
+  "sizeBytes": 3351549,
+  "updatedAt": "2026-04-06T05:25:05Z",
+  "sha256": "67a66ea104696d639d576738cdef4ef485efb76d12d63b1b138e59dab091ef00",
+  "versionName": "2.5.11",
+  "versionCode": 24,
   "buildFlavor": "release"
 }