feat: harden ai onboarding and approval chat flows

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

@@ -2,9 +2,9 @@
   "artifactType": "aab",
   "fileName": "boss-android-v2.5.5-release.aab",
   "urlPath": "/downloads/boss-android-v2.5.5-release.aab",
-  "sizeBytes": 2928015,
-  "updatedAt": "2026-03-30T19:53:34Z",
-  "sha256": "1178102370885d5a2e43ca177daf09d1f2416aa36c2f6312c3a04e4158cb4b44",
+  "sizeBytes": 2928280,
+  "updatedAt": "2026-03-30T20:15:46Z",
+  "sha256": "5bc794884a621a2e970bf1a235bf07d0338bcec4205963ca442b70fcd75f9f23",
   "versionName": "2.5.5",
   "versionCode": 18,
   "buildFlavor": "release"

public/downloads/boss-android-latest.json

@@ -1,9 +1,9 @@
 {
   "fileName": "boss-android-v2.5.5-release.apk",
   "urlPath": "/api/v1/user/ota/package",
-  "sizeBytes": 3104744,
-  "updatedAt": "2026-03-30T19:53:27Z",
-  "sha256": "c8ab4c48d17504c0ac55b621ef6623940b0da73a59f079dd5f3db37a470216f6",
+  "sizeBytes": 3105013,
+  "updatedAt": "2026-03-30T20:15:32Z",
+  "sha256": "f2da722d8ea57e7bd6e16687ae161c45332cc0ba00304725f9e57ddb5b20293e",
   "versionName": "2.5.5",
   "versionCode": 18,
   "buildFlavor": "release"