From 740d329785337bb629ccded08df0a1d21ffa8504 Mon Sep 17 00:00:00 2001
From: kdletters <kdletters@qq.com>
Date: Sat, 20 Jun 2026 12:12:55 +0800
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桌面通知桥接把权限状态读取失败转为稳定 host_error

桌面通知桥接把权限请求失败转为稳定 host_error

桌面通知单测覆盖权限不可用错误载荷

桌面壳配置检查反查通知权限不可用边界
---
 apps/desktop-shell/scripts/check-config.mjs   |  3 +++
 .../src/host_bridge/notifications.rs          | 23 +++++++++++++++++--
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/apps/desktop-shell/scripts/check-config.mjs b/apps/desktop-shell/scripts/check-config.mjs
index bbba1db18..2a36d2ed5 100644
--- a/apps/desktop-shell/scripts/check-config.mjs
+++ b/apps/desktop-shell/scripts/check-config.mjs
@@ -2497,14 +2497,17 @@ for (const snippet of [
   'HOST_BRIDGE_LOCAL_NOTIFICATION_BODY_MAX_LENGTH',
   'DesktopNotificationPermissionAction',
   'desktop_notification_permission_action',
+  'notification_permission_unavailable_response',
   'PermissionState::Granted',
   'PermissionState::Denied',
   'PermissionState::Prompt | PermissionState::PromptWithRationale',
   'desktop_notification_delivered_to_system_result',
   'json!({"action": HOST_BRIDGE_LOCAL_NOTIFICATION_DELIVERED_TO_SYSTEM_ACTION})',
   'local_notification_payload_truncates_to_shared_contract_limits',
+  'notification_permission_unavailable_response_is_stable',
   '"a".repeat(HOST_BRIDGE_LOCAL_NOTIFICATION_TITLE_MAX_LENGTH)',
   '"b".repeat(HOST_BRIDGE_LOCAL_NOTIFICATION_BODY_MAX_LENGTH)',
+  '"notification permission unavailable"',
   '"notification permission denied"',
   'app.notification().builder()',
 ]) {
diff --git a/apps/desktop-shell/src-tauri/src/host_bridge/notifications.rs b/apps/desktop-shell/src-tauri/src/host_bridge/notifications.rs
index 0adee5ccb..7cd288738 100644
--- a/apps/desktop-shell/src-tauri/src/host_bridge/notifications.rs
+++ b/apps/desktop-shell/src-tauri/src/host_bridge/notifications.rs
@@ -89,6 +89,14 @@ fn desktop_notification_delivered_to_system_result() -> serde_json::Value {
     json!({"action": HOST_BRIDGE_LOCAL_NOTIFICATION_DELIVERED_TO_SYSTEM_ACTION})
 }
 
+fn notification_permission_unavailable_response(request: &HostBridgeRequest) -> HostBridgeResponse {
+    failed(
+        request.id.clone(),
+        "host_error",
+        "notification permission unavailable",
+    )
+}
+
 pub(crate) fn show_desktop_local_notification(
     app: &tauri::AppHandle,
     request: &HostBridgeRequest,
@@ -100,7 +108,7 @@ pub(crate) fn show_desktop_local_notification(
     let notification_manager = app.notification();
     let permission_state = notification_manager
         .permission_state()
-        .map_err(|error| failed(request.id.clone(), "host_error", error.to_string()));
+        .map_err(|_| notification_permission_unavailable_response(request));
     let permission_state = match permission_state {
         Ok(permission_state) => permission_state,
         Err(response) => return response,
@@ -109,7 +117,7 @@ pub(crate) fn show_desktop_local_notification(
     if permission_action == DesktopNotificationPermissionAction::Request {
         let requested_state = notification_manager
             .request_permission()
-            .map_err(|error| failed(request.id.clone(), "host_error", error.to_string()));
+            .map_err(|_| notification_permission_unavailable_response(request));
         let requested_state = match requested_state {
             Ok(requested_state) => requested_state,
             Err(response) => return response,
@@ -181,6 +189,17 @@ mod tests {
         );
     }
 
+    #[test]
+    fn notification_permission_unavailable_response_is_stable() {
+        let request = request("notification.showLocal");
+
+        let response = notification_permission_unavailable_response(&request);
+        let error = response.error.expect("error");
+
+        assert_eq!(error.code, "host_error");
+        assert_eq!(error.message, "notification permission unavailable");
+    }
+
     #[test]
     fn local_notification_payload_rejects_empty_and_control_text() {
         let mut empty = request("notification.showLocal");