merge: resolve conflict in live.rs, keep write_live_snapshot_with_merge

- Combine doc comments from both branches
- Keep write_live_snapshot_with_merge for common config runtime merge
- Fix indentation to match main branch style

src-tauri/src/app_config.rs

@@ -282,6 +282,25 @@ impl AppType {
             AppType::OpenCode => "opencode",
         }
     }
+
+    /// Check if this app uses additive mode
+    ///
+    /// - Switch mode (false): Only the current provider is written to live config (Claude, Codex, Gemini)
+    /// - Additive mode (true): All providers are written to live config (OpenCode)
+    pub fn is_additive_mode(&self) -> bool {
+        matches!(self, AppType::OpenCode)
+    }
+
+    /// Return an iterator over all app types
+    pub fn all() -> impl Iterator<Item = AppType> {
+        [
+            AppType::Claude,
+            AppType::Codex,
+            AppType::Gemini,
+            AppType::OpenCode,
+        ]
+        .into_iter()
+    }
 }
 
 impl FromStr for AppType {

src-tauri/src/codex_config.rs

@@ -2,21 +2,14 @@
 use std::path::PathBuf;
 
 use crate::config::{
-    atomic_write, delete_file, sanitize_provider_name, write_json_file, write_text_file,
+    atomic_write, delete_file, get_home_dir, sanitize_provider_name, write_json_file,
+    write_text_file,
 };
 use crate::error::AppError;
 use serde_json::Value;
 use std::fs;
 use std::path::Path;
 
-/// 获取用户主目录，带回退和日志
-fn get_home_dir() -> PathBuf {
-    dirs::home_dir().unwrap_or_else(|| {
-        log::warn!("无法获取用户主目录，回退到当前目录");
-        PathBuf::from(".")
-    })
-}
-
 /// 获取 Codex 配置目录路径
 pub fn get_codex_config_dir() -> PathBuf {
     if let Some(custom) = crate::settings::get_codex_override_dir() {

src-tauri/src/commands/misc.rs

@@ -581,18 +581,19 @@ fn write_claude_config(
     std::fs::write(config_file, config_json).map_err(|e| format!("写入配置文件失败: {e}"))
 }
 
-/// macOS: 使用 Terminal.app 启动
+/// macOS: 根据用户首选终端启动
 #[cfg(target_os = "macos")]
 fn launch_macos_terminal(config_file: &std::path::Path) -> Result<(), String> {
     use std::os::unix::fs::PermissionsExt;
-    use std::process::Command;
+
+    let preferred = crate::settings::get_preferred_terminal();
+    let terminal = preferred.as_deref().unwrap_or("terminal");
 
     let temp_dir = std::env::temp_dir();
     let script_file = temp_dir.join(format!("cc_switch_launcher_{}.sh", std::process::id()));
-
     let config_path = config_file.to_string_lossy();
 
-    // Write the shell script to a temp file (no escaping needed!)
+    // Write the shell script to a temp file
     let script_content = format!(
         r#"#!/bin/bash
 trap 'rm -f "{config_path}" "{script_file}"' EXIT
@@ -611,7 +612,34 @@ exec bash --norc --noprofile
     std::fs::set_permissions(&script_file, std::fs::Permissions::from_mode(0o755))
         .map_err(|e| format!("设置脚本权限失败: {e}"))?;
 
-    // Simple AppleScript - just execute the script file
+    // Try the preferred terminal first, fall back to Terminal.app if it fails
+    // Note: Kitty doesn't need the -e flag, others do
+    let result = match terminal {
+        "iterm2" => launch_macos_iterm2(&script_file),
+        "alacritty" => launch_macos_open_app("Alacritty", &script_file, true),
+        "kitty" => launch_macos_open_app("kitty", &script_file, false),
+        "ghostty" => launch_macos_open_app("Ghostty", &script_file, true),
+        _ => launch_macos_terminal_app(&script_file), // "terminal" or default
+    };
+
+    // If preferred terminal fails and it's not the default, try Terminal.app as fallback
+    if result.is_err() && terminal != "terminal" {
+        log::warn!(
+            "首选终端 {} 启动失败，回退到 Terminal.app: {:?}",
+            terminal,
+            result.as_ref().err()
+        );
+        return launch_macos_terminal_app(&script_file);
+    }
+
+    result
+}
+
+/// macOS: Terminal.app
+#[cfg(target_os = "macos")]
+fn launch_macos_terminal_app(script_file: &std::path::Path) -> Result<(), String> {
+    use std::process::Command;
+
     let applescript = format!(
         r#"tell application "Terminal"
     activate
@@ -627,12 +655,9 @@ end tell"#,
         .map_err(|e| format!("执行 osascript 失败: {e}"))?;
 
     if !output.status.success() {
-        // Clean up on failure
-        let _ = std::fs::remove_file(&script_file);
-        let _ = std::fs::remove_file(config_file);
         let stderr = String::from_utf8_lossy(&output.stderr);
         return Err(format!(
-            "AppleScript 执行失败 (exit code: {:?}): {}",
+            "Terminal.app 执行失败 (exit code: {:?}): {}",
             output.status.code(),
             stderr
         ));
@@ -641,13 +666,86 @@ end tell"#,
     Ok(())
 }
 
-/// Linux: 尝试使用常见终端启动
+/// macOS: iTerm2
+#[cfg(target_os = "macos")]
+fn launch_macos_iterm2(script_file: &std::path::Path) -> Result<(), String> {
+    use std::process::Command;
+
+    let applescript = format!(
+        r#"tell application "iTerm"
+    activate
+    tell current window
+        create tab with default profile
+        tell current session
+            write text "bash '{}'"
+        end tell
+    end tell
+end tell"#,
+        script_file.display()
+    );
+
+    let output = Command::new("osascript")
+        .arg("-e")
+        .arg(&applescript)
+        .output()
+        .map_err(|e| format!("执行 osascript 失败: {e}"))?;
+
+    if !output.status.success() {
+        let stderr = String::from_utf8_lossy(&output.stderr);
+        return Err(format!(
+            "iTerm2 执行失败 (exit code: {:?}): {}",
+            output.status.code(),
+            stderr
+        ));
+    }
+
+    Ok(())
+}
+
+/// macOS: 使用 open -a 启动支持 --args 参数的终端（Alacritty/Kitty/Ghostty）
+#[cfg(target_os = "macos")]
+fn launch_macos_open_app(
+    app_name: &str,
+    script_file: &std::path::Path,
+    use_e_flag: bool,
+) -> Result<(), String> {
+    use std::process::Command;
+
+    let mut cmd = Command::new("open");
+    cmd.arg("-a").arg(app_name).arg("--args");
+
+    if use_e_flag {
+        cmd.arg("-e");
+    }
+    cmd.arg("bash").arg(script_file);
+
+    let output = cmd
+        .output()
+        .map_err(|e| format!("启动 {} 失败: {e}", app_name))?;
+
+    if !output.status.success() {
+        let stderr = String::from_utf8_lossy(&output.stderr);
+        return Err(format!(
+            "{} 启动失败 (exit code: {:?}): {}",
+            app_name,
+            output.status.code(),
+            stderr
+        ));
+    }
+
+    Ok(())
+}
+
+/// Linux: 根据用户首选终端启动
 #[cfg(target_os = "linux")]
 fn launch_linux_terminal(config_file: &std::path::Path) -> Result<(), String> {
     use std::os::unix::fs::PermissionsExt;
     use std::process::Command;
 
-    let terminals = [
+    let preferred = crate::settings::get_preferred_terminal();
+
+    // Default terminal list with their arguments
+    let default_terminals = [
         ("gnome-terminal", vec!["--"]),
         ("konsole", vec!["-e"]),
         ("xfce4-terminal", vec!["-e"]),
@@ -655,9 +753,10 @@ fn launch_linux_terminal(config_file: &std::path::Path) -> Result<(), String> {
         ("lxterminal", vec!["-e"]),
         ("alacritty", vec!["-e"]),
         ("kitty", vec!["-e"]),
+        ("ghostty", vec!["-e"]),
     ];
 
-    // Create temp script file (same approach as macOS)
+    // Create temp script file
     let temp_dir = std::env::temp_dir();
     let script_file = temp_dir.join(format!("cc_switch_launcher_{}.sh", std::process::id()));
     let config_path = config_file.to_string_lossy();
@@ -679,25 +778,48 @@ exec bash --norc --noprofile
     std::fs::set_permissions(&script_file, std::fs::Permissions::from_mode(0o755))
         .map_err(|e| format!("设置脚本权限失败: {e}"))?;
 
+    // Build terminal list: preferred terminal first (if specified), then defaults
+    let terminals_to_try: Vec<(&str, Vec<&str>)> = if let Some(ref pref) = preferred {
+        // Find the preferred terminal's args from default list
+        let pref_args = default_terminals
+            .iter()
+            .find(|(name, _)| *name == pref.as_str())
+            .map(|(_, args)| args.iter().map(|s| *s).collect::<Vec<&str>>())
+            .unwrap_or_else(|| vec!["-e"]); // Default args for unknown terminals
+
+        let mut list = vec![(pref.as_str(), pref_args)];
+        // Add remaining terminals as fallbacks
+        for (name, args) in &default_terminals {
+            if *name != pref.as_str() {
+                list.push((*name, args.iter().map(|s| *s).collect()));
+            }
+        }
+        list
+    } else {
+        default_terminals
+            .iter()
+            .map(|(name, args)| (*name, args.iter().map(|s| *s).collect()))
+            .collect()
+    };
+
     let mut last_error = String::from("未找到可用的终端");
 
-    for (terminal, args) in terminals {
-        // Check if terminal exists
-        if std::path::Path::new(&format!("/usr/bin/{}", terminal)).exists()
+    for (terminal, args) in terminals_to_try {
+        // Check if terminal exists in common paths
+        let terminal_exists = std::path::Path::new(&format!("/usr/bin/{}", terminal)).exists()
             || std::path::Path::new(&format!("/bin/{}", terminal)).exists()
-        {
+            || std::path::Path::new(&format!("/usr/local/bin/{}", terminal)).exists()
+            || which_command(terminal);
+
+        if terminal_exists {
             let result = Command::new(terminal)
                 .args(&args)
                 .arg("bash")
                 .arg(script_file.to_string_lossy().as_ref())
-                .output();
+                .spawn();
 
             match result {
-                Ok(output) if output.status.success() => return Ok(()),
-                Ok(output) => {
-                    let stderr = String::from_utf8_lossy(&output.stderr);
-                    last_error = format!("启动 {} 失败: {}", terminal, stderr);
-                }
+                Ok(_) => return Ok(()),
                 Err(e) => {
                     last_error = format!("执行 {} 失败: {}", terminal, e);
                 }
@@ -711,13 +833,25 @@ exec bash --norc --noprofile
     Err(last_error)
 }
 
-/// Windows: 创建临时批处理文件启动
+/// Check if a command exists using `which`
+#[cfg(target_os = "linux")]
+fn which_command(cmd: &str) -> bool {
+    use std::process::Command;
+    Command::new("which")
+        .arg(cmd)
+        .output()
+        .map(|o| o.status.success())
+        .unwrap_or(false)
+}
+
+/// Windows: 根据用户首选终端启动
 #[cfg(target_os = "windows")]
 fn launch_windows_terminal(
     temp_dir: &std::path::Path,
     config_file: &std::path::Path,
 ) -> Result<(), String> {
-    use std::process::Command;
+    let preferred = crate::settings::get_preferred_terminal();
+    let terminal = preferred.as_deref().unwrap_or("cmd");
 
     let bat_file = temp_dir.join(format!("cc_switch_claude_{}.bat", std::process::id()));
     let config_path_for_batch = config_file.to_string_lossy().replace('&', "^&");
@@ -733,23 +867,53 @@ del \"%~f0\" >nul 2>&1
         config_path_for_batch, config_path_for_batch, config_path_for_batch
     );
 
-    std::fs::write(&bat_file, content).map_err(|e| format!("写入批处理文件失败: {e}"))?;
+    std::fs::write(&bat_file, &content).map_err(|e| format!("写入批处理文件失败: {e}"))?;
+
+    let bat_path = bat_file.to_string_lossy();
+    let ps_cmd = format!("& '{}'", bat_path);
+
+    // Try the preferred terminal first
+    let result = match terminal {
+        "powershell" => run_windows_start_command(
+            &["powershell", "-NoExit", "-Command", &ps_cmd],
+            "PowerShell",
+        ),
+        "wt" => run_windows_start_command(&["wt", "cmd", "/K", &bat_path], "Windows Terminal"),
+        _ => run_windows_start_command(&["cmd", "/K", &bat_path], "cmd"), // "cmd" or default
+    };
+
+    // If preferred terminal fails and it's not the default, try cmd as fallback
+    if result.is_err() && terminal != "cmd" {
+        log::warn!(
+            "首选终端 {} 启动失败，回退到 cmd: {:?}",
+            terminal,
+            result.as_ref().err()
+        );
+        return run_windows_start_command(&["cmd", "/K", &bat_path], "cmd");
+    }
+
+    result
+}
+
+/// Windows: Run a start command with common error handling
+#[cfg(target_os = "windows")]
+fn run_windows_start_command(args: &[&str], terminal_name: &str) -> Result<(), String> {
+    use std::process::Command;
+
+    let mut full_args = vec!["/C", "start"];
+    full_args.extend(args);
 
-    // Use output() to capture errors from the start command
-    // Use /K instead of /C to keep the window open after execution
     let output = Command::new("cmd")
-        .args(["/C", "start", "cmd", "/K", &bat_file.to_string_lossy()])
+        .args(&full_args)
         .creation_flags(CREATE_NO_WINDOW)
         .output()
-        .map_err(|e| format!("执行 cmd 失败: {e}"))?;
+        .map_err(|e| format!("启动 {} 失败: {e}", terminal_name))?;
 
     if !output.status.success() {
-        // Clean up on failure
-        let _ = std::fs::remove_file(&bat_file);
-        let _ = std::fs::remove_file(config_file);
         let stderr = String::from_utf8_lossy(&output.stderr);
         return Err(format!(
-            "启动 Windows 终端失败 (exit code: {:?}): {}",
+            "{} 启动失败 (exit code: {:?}): {}",
+            terminal_name,
             output.status.code(),
             stderr
         ));

src-tauri/src/config.rs

@@ -6,7 +6,17 @@ use std::path::{Path, PathBuf};
 use crate::error::AppError;
 
 /// 获取用户主目录，带回退和日志
-fn get_home_dir() -> PathBuf {
+///
+/// On Windows, respects the `HOME` environment variable (if set) to support
+/// test isolation. Falls back to `dirs::home_dir()` otherwise.
+pub fn get_home_dir() -> PathBuf {
+    #[cfg(windows)]
+    if let Ok(home) = std::env::var("HOME") {
+        let trimmed = home.trim();
+        if !trimmed.is_empty() {
+            return PathBuf::from(trimmed);
+        }
+    }
     dirs::home_dir().unwrap_or_else(|| {
         log::warn!("无法获取用户主目录，回退到当前目录");
         PathBuf::from(".")
@@ -71,10 +81,7 @@ pub fn get_app_config_dir() -> PathBuf {
     if let Some(custom) = crate::app_store::get_app_config_dir_override() {
         return custom;
     }
-
-    dirs::home_dir()
-        .expect("无法获取用户主目录")
-        .join(".cc-switch")
+    get_home_dir().join(".cc-switch")
 }
 
 /// 获取应用配置文件路径

src-tauri/src/gemini_config.rs

@@ -1,18 +1,10 @@
-use crate::config::write_text_file;
+use crate::config::{get_home_dir, write_text_file};
 use crate::error::AppError;
 use serde_json::Value;
 use std::collections::HashMap;
 use std::fs;
 use std::path::PathBuf;
 
-/// 获取用户主目录，带回退和日志
-fn get_home_dir() -> PathBuf {
-    dirs::home_dir().unwrap_or_else(|| {
-        log::warn!("无法获取用户主目录，回退到当前目录");
-        PathBuf::from(".")
-    })
-}
-
 /// 获取 Gemini 配置目录路径（支持设置覆盖）
 pub fn get_gemini_dir() -> PathBuf {
     if let Some(custom) = crate::settings::get_gemini_override_dir() {

src-tauri/src/lib.rs

@@ -746,6 +746,24 @@ pub fn run() {
                 restore_proxy_state_on_startup(&state).await;
             });
 
+            // 静默启动：根据设置决定是否显示主窗口
+            let settings = crate::settings::get_settings();
+            if let Some(window) = app.get_webview_window("main") {
+                if settings.silent_startup {
+                    // 静默启动模式：保持窗口隐藏
+                    let _ = window.hide();
+                    #[cfg(target_os = "windows")]
+                    let _ = window.set_skip_taskbar(true);
+                    #[cfg(target_os = "macos")]
+                    tray::apply_tray_policy(app.handle(), false);
+                    log::info!("静默启动模式：主窗口已隐藏");
+                } else {
+                    // 正常启动模式：显示窗口
+                    let _ = window.show();
+                    log::info!("正常启动模式：主窗口已显示");
+                }
+            }
+
             Ok(())
         })
         .invoke_handler(tauri::generate_handler![

src-tauri/src/services/provider/live.rs

@@ -258,6 +258,32 @@ fn write_live_snapshot_internal(
     Ok(())
 }
 
+/// Sync all providers to live configuration (for additive mode apps)
+///
+/// Writes all providers from the database to the live configuration file.
+/// Used for OpenCode and other additive mode applications.
+fn sync_all_providers_to_live(state: &AppState, app_type: &AppType) -> Result<(), AppError> {
+    let providers = state.db.get_all_providers(app_type.as_str())?;
+
+    for provider in providers.values() {
+        if let Err(e) = write_live_snapshot(app_type, provider) {
+            log::warn!(
+                "Failed to sync {:?} provider '{}' to live: {e}",
+                app_type,
+                provider.id
+            );
+            // Continue syncing other providers, don't abort
+        }
+    }
+
+    log::info!(
+        "Synced {} {:?} providers to live config",
+        providers.len(),
+        app_type
+    );
+    Ok(())
+}
+
 /// Sync current provider to live configuration
 ///
 /// 使用有效的当前供应商 ID（验证过存在性）。
@@ -266,29 +292,36 @@ fn write_live_snapshot_internal(
 ///
 /// This function uses `write_live_snapshot_with_merge` to perform runtime merge
 /// with common config when enabled.
+/// For additive mode apps (OpenCode), all providers are synced instead of just the current one.
 pub fn sync_current_to_live(state: &AppState) -> Result<(), AppError> {
-    for app_type in [AppType::Claude, AppType::Codex, AppType::Gemini] {
-        // Use validated effective current provider
-        let current_id =
-            match crate::settings::get_effective_current_provider(&state.db, &app_type)? {
-                Some(id) => id,
-                None => continue,
-            };
+    // Sync providers based on mode
+    for app_type in AppType::all() {
+        if app_type.is_additive_mode() {
+            // Additive mode: sync ALL providers
+            sync_all_providers_to_live(state, &app_type)?;
+        } else {
+            // Switch mode: sync only current provider
+            let current_id =
+                match crate::settings::get_effective_current_provider(&state.db, &app_type)? {
+                    Some(id) => id,
+                    None => continue,
+                };
 
-        let providers = state.db.get_all_providers(app_type.as_str())?;
-        if let Some(provider) = providers.get(&current_id) {
-            // Use write_live_snapshot_with_merge to support common config runtime merge
-            write_live_snapshot_with_merge(state, &app_type, provider)?;
+            let providers = state.db.get_all_providers(app_type.as_str())?;
+            if let Some(provider) = providers.get(&current_id) {
+                // Use write_live_snapshot_with_merge to support common config runtime merge
+                write_live_snapshot_with_merge(state, &app_type, provider)?;
+            }
+            // Note: get_effective_current_provider already validates existence,
+            // so providers.get() should always succeed here
         }
-        // Note: get_effective_current_provider already validates existence,
-        // so providers.get() should always succeed here
     }
 
     // MCP sync
     McpService::sync_all_enabled(state)?;
 
     // Skill sync
-    for app_type in [AppType::Claude, AppType::Codex, AppType::Gemini] {
+    for app_type in AppType::all() {
         if let Err(e) = crate::services::skill::SkillService::sync_to_app(&state.db, &app_type) {
             log::warn!("同步 Skill 到 {app_type:?} 失败: {e}");
             // Continue syncing other apps, don't abort

src-tauri/src/settings.rs

@@ -79,6 +79,9 @@ pub struct AppSettings {
     /// 是否开机自启
     #[serde(default)]
     pub launch_on_startup: bool,
+    /// 静默启动（程序启动时不显示主窗口，仅托盘运行）
+    #[serde(default)]
+    pub silent_startup: bool,
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub language: Option<String>,
 
@@ -114,6 +117,14 @@ pub struct AppSettings {
     /// Skill 同步方式：auto（默认，优先 symlink）、symlink、copy
     #[serde(default)]
     pub skill_sync_method: SyncMethod,
+
+    // ===== 终端设置 =====
+    /// 首选终端应用（可选，默认使用系统默认终端）
+    /// - macOS: "terminal" | "iterm2" | "warp" | "alacritty" | "kitty" | "ghostty"
+    /// - Windows: "cmd" | "powershell" | "wt" (Windows Terminal)
+    /// - Linux: "gnome-terminal" | "konsole" | "xfce4-terminal" | "alacritty" | "kitty" | "ghostty"
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub preferred_terminal: Option<String>,
 }
 
 fn default_show_in_tray() -> bool {
@@ -132,6 +143,7 @@ impl Default for AppSettings {
             enable_claude_plugin_integration: false,
             skip_claude_onboarding: false,
             launch_on_startup: false,
+            silent_startup: false,
             language: None,
             visible_apps: None,
             claude_config_dir: None,
@@ -143,6 +155,7 @@ impl Default for AppSettings {
             current_provider_gemini: None,
             current_provider_opencode: None,
             skill_sync_method: SyncMethod::default(),
+            preferred_terminal: None,
         }
     }
 }
@@ -150,7 +163,11 @@ impl Default for AppSettings {
 impl AppSettings {
     fn settings_path() -> Option<PathBuf> {
         // settings.json 保留用于旧版本迁移和无数据库场景
-        dirs::home_dir().map(|h| h.join(".cc-switch").join("settings.json"))
+        Some(
+            crate::config::get_home_dir()
+                .join(".cc-switch")
+                .join("settings.json"),
+        )
     }
 
     fn normalize_paths(&mut self) {
@@ -402,3 +419,17 @@ pub fn get_skill_sync_method() -> SyncMethod {
         })
         .skill_sync_method
 }
+
+// ===== 终端设置管理函数 =====
+
+/// 获取首选终端应用
+pub fn get_preferred_terminal() -> Option<String> {
+    settings_store()
+        .read()
+        .unwrap_or_else(|e| {
+            log::warn!("设置锁已毒化，使用恢复值: {e}");
+            e.into_inner()
+        })
+        .preferred_terminal
+        .clone()
+}