fix(core): selfhosted auth handling (#15295)

fix #15284
fix #15266
fix #15268
fix #15267

#### PR Dependency Tree


* **PR #15295** 👈

This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)

packages/frontend/i18n/src/i18n.gen.ts

@@ -9278,6 +9278,14 @@ export function useAFFiNEI18N(): {
       * `Failed to sign out devices`
       */
     ["com.affine.settings.devices.sign-out-all-failed"](): string;
+    /**
+      * `Real-time connection failed`
+      */
+    ["com.affine.realtime.connection-error.title"](): string;
+    /**
+      * `Check that your server proxy forwards /socket.io over WebSocket or HTTP polling.`
+      */
+    ["com.affine.realtime.connection-error.message"](): string;
     /**
       * `An internal error occurred.`
       */

packages/frontend/i18n/src/resources/en.json

@@ -2318,6 +2318,8 @@
   "com.affine.settings.devices.load-failed": "Failed to load devices",
   "com.affine.settings.devices.sign-out-failed": "Failed to sign out device",
   "com.affine.settings.devices.sign-out-all-failed": "Failed to sign out devices",
+  "com.affine.realtime.connection-error.title": "Real-time connection failed",
+  "com.affine.realtime.connection-error.message": "Check that your server proxy forwards /socket.io over WebSocket or HTTP polling.",
   "error.INTERNAL_SERVER_ERROR": "An internal error occurred.",
   "error.NETWORK_ERROR": "Network error.",
   "error.TOO_MANY_REQUEST": "Too many requests.",

packages/frontend/i18n/src/resources/zh-Hans.json

@@ -2308,6 +2308,8 @@
   "com.affine.docIconPicker.placeholder": "添加图标",
   "error.INTERNAL_SERVER_ERROR": "发生内部错误。",
   "error.NETWORK_ERROR": "网络错误。",
+  "com.affine.realtime.connection-error.title": "实时同步连接失败",
+  "com.affine.realtime.connection-error.message": "请检查服务器反向代理是否通过 WebSocket 或 HTTP polling 正确转发 /socket.io。",
   "error.TOO_MANY_REQUEST": "请求过多。",
   "error.SSRF_BLOCKED_ERROR": "无效的 URL",
   "error.RESPONSE_TOO_LARGE_ERROR": "响应过大（{{receivedBytes}} 字节），限制为 {{limitBytes}} 字节",