feat!: 移除内置公共服务器

- 移除公共 RustDesk ID 服务器 (用户需自行配置)
- 移除公共 TURN 服务器 (仅保留 Google STUN)
- 清理废弃代码: PublicServerInfo, is_using_public_server 等
- 更新前端 UI 和国际化文本
- 重新生成 TypeScript 类型

破坏性变更: 不再提供内置公共服务器。用户必须配置自己的
RustDesk 服务器和 TURN 服务器才能在生产环境中使用。

src/web/handlers/config/rustdesk.rs

@@ -4,7 +4,7 @@ use axum::{extract::State, Json};
 use std::sync::Arc;
 
 use crate::error::Result;
-use crate::rustdesk::config::{PublicServerInfo, RustDeskConfig};
+use crate::rustdesk::config::RustDeskConfig;
 use crate::state::AppState;
 
 use super::apply::apply_rustdesk_config;
@@ -23,8 +23,6 @@ pub struct RustDeskConfigResponse {
     pub has_keypair: bool,
     /// 是否已设置 relay key
     pub has_relay_key: bool,
-    /// 是否使用公共服务器（用户留空时）
-    pub using_public_server: bool,
 }
 
 impl From<&RustDeskConfig> for RustDeskConfigResponse {
@@ -37,7 +35,6 @@ impl From<&RustDeskConfig> for RustDeskConfigResponse {
             has_password: !config.device_password.is_empty(),
             has_keypair: config.public_key.is_some() && config.private_key.is_some(),
             has_relay_key: config.relay_key.is_some(),
-            using_public_server: config.is_using_public_server(),
         }
     }
 }
@@ -48,8 +45,6 @@ pub struct RustDeskStatusResponse {
     pub config: RustDeskConfigResponse,
     pub service_status: String,
     pub rendezvous_status: Option<String>,
-    /// 公共服务器信息（仅当有公共服务器配置时返回）
-    pub public_server: Option<PublicServerInfo>,
 }
 
 /// 获取 RustDesk 配置
@@ -73,14 +68,10 @@ pub async fn get_rustdesk_status(State(state): State<Arc<AppState>>) -> Json<Rus
         }
     };
 
-    // 获取公共服务器信息
-    let public_server = RustDeskConfig::public_server_info();
-
     Json(RustDeskStatusResponse {
         config: RustDeskConfigResponse::from(&config),
         service_status,
         rendezvous_status,
-        public_server,
     })
 }
 

src/web/handlers/mod.rs

@@ -1814,35 +1814,62 @@ pub struct IceServerInfo {
 }
 
 /// Get ICE servers configuration for client-side WebRTC
+/// Returns user-configured servers, or Google STUN as fallback if none configured
 pub async fn webrtc_ice_servers(State(state): State<Arc<AppState>>) -> Json<IceServersResponse> {
+    use crate::webrtc::config::public_ice;
+
     let config = state.config.get();
     let mut ice_servers = Vec::new();
 
-    // Add STUN server
-    if let Some(ref stun) = config.stream.stun_server {
-        if !stun.is_empty() {
+    // Check if user has configured custom ICE servers
+    let has_custom_stun = config
+        .stream
+        .stun_server
+        .as_ref()
+        .map(|s| !s.is_empty())
+        .unwrap_or(false);
+    let has_custom_turn = config
+        .stream
+        .turn_server
+        .as_ref()
+        .map(|s| !s.is_empty())
+        .unwrap_or(false);
+
+    if has_custom_stun || has_custom_turn {
+        // Use user-configured ICE servers
+        if let Some(ref stun) = config.stream.stun_server {
+            if !stun.is_empty() {
+                ice_servers.push(IceServerInfo {
+                    urls: vec![stun.clone()],
+                    username: None,
+                    credential: None,
+                });
+            }
+        }
+
+        if let Some(ref turn) = config.stream.turn_server {
+            if !turn.is_empty() {
+                let username = config.stream.turn_username.clone();
+                let credential = config.stream.turn_password.clone();
+                if username.is_some() && credential.is_some() {
+                    ice_servers.push(IceServerInfo {
+                        urls: vec![turn.clone()],
+                        username,
+                        credential,
+                    });
+                }
+            }
+        }
+    } else {
+        // No custom servers configured - use Google STUN as default
+        if let Some(stun) = public_ice::stun_server() {
             ice_servers.push(IceServerInfo {
-                urls: vec![stun.clone()],
+                urls: vec![stun],
                 username: None,
                 credential: None,
             });
         }
-    }
-
-    // Add TURN server (with credentials)
-    if let Some(ref turn) = config.stream.turn_server {
-        if !turn.is_empty() {
-            let username = config.stream.turn_username.clone();
-            let credential = config.stream.turn_password.clone();
-            // Only add TURN if credentials are provided
-            if username.is_some() && credential.is_some() {
-                ice_servers.push(IceServerInfo {
-                    urls: vec![turn.clone()],
-                    username,
-                    credential,
-                });
-            }
-        }
+        // Note: TURN servers are not provided - users must configure their own
     }
 
     Json(IceServersResponse { ice_servers })