Align Thinking fallback with main-model-only Claude mappings

The Claude provider form reopened with an empty Thinking model after users saved only a main model. This updates model-state hydration to mirror the existing Haiku-style fallback semantics: read ANTHROPIC_REASONING_MODEL when present, otherwise display ANTHROPIC_MODEL, without writing a synthetic reasoning field back into config.

Constraint: Existing Haiku, Sonnet, and Opus selectors already rely on read-time fallback behavior
Rejected: Persist ANTHROPIC_REASONING_MODEL from ANTHROPIC_MODEL automatically | would diverge from Haiku behavior and silently rewrite saved config
Confidence: high
Scope-risk: narrow
Reversibility: clean
Directive: Keep Thinking fallback read-only unless all model-mapping fields are intentionally migrated to write-through semantics
Tested: pnpm typecheck
Tested: pnpm test:unit (1 unrelated pre-existing failure in tests/components/UnifiedSkillsPanel.test.tsx mock setup)
Not-tested: Manual add-provider reopen flow in the desktop UI

src-tauri/src/commands/misc.rs

@@ -948,7 +948,6 @@ exec bash --norc --noprofile
         "kitty" => launch_macos_open_app("kitty", &script_file, false),
         "ghostty" => launch_macos_open_app("Ghostty", &script_file, true),
         "wezterm" => launch_macos_open_app("WezTerm", &script_file, true),
-        "kaku" => launch_macos_open_app("Kaku", &script_file, true),
         _ => launch_macos_terminal_app(&script_file), // "terminal" or default
     };
 

src-tauri/src/session_manager/terminal/mod.rs

@@ -20,7 +20,6 @@ pub fn launch_terminal(
         "ghostty" => launch_ghostty(command, cwd),
         "kitty" => launch_kitty(command, cwd),
         "wezterm" => launch_wezterm(command, cwd),
-        "kaku" => launch_kaku(command, cwd),
         "alacritty" => launch_alacritty(command, cwd),
         "custom" => launch_custom(command, cwd, custom_config),
         _ => Err(format!("Unsupported terminal target: {target}")),
@@ -154,10 +153,25 @@ fn launch_kitty(command: &str, cwd: Option<&str>) -> Result<(), String> {
 fn launch_wezterm(command: &str, cwd: Option<&str>) -> Result<(), String> {
     // wezterm start --cwd ... -- command
     // To invoke via `open`, we use `open -na "WezTerm" --args start ...`
-    let args = build_wezterm_compatible_args("WezTerm", command, cwd);
+
+    let full_command = build_shell_command(command, None);
+
+    let mut args = vec!["-na", "WezTerm", "--args", "start"];
+
+    if let Some(dir) = cwd {
+        args.push("--cwd");
+        args.push(dir);
+    }
+
+    // Invoke shell to run the command string (to handle pipes, etc)
+    let shell = std::env::var("SHELL").unwrap_or_else(|_| "/bin/zsh".to_string());
+    args.push("--");
+    args.push(&shell);
+    args.push("-c");
+    args.push(&full_command);
 
     let status = Command::new("open")
-        .args(args.iter().map(String::as_str))
+        .args(&args)
         .status()
         .map_err(|e| format!("Failed to launch WezTerm: {e}"))?;
 
@@ -168,54 +182,6 @@ fn launch_wezterm(command: &str, cwd: Option<&str>) -> Result<(), String> {
     }
 }
 
-fn launch_kaku(command: &str, cwd: Option<&str>) -> Result<(), String> {
-    // Kaku is a WezTerm-derived terminal and keeps a compatible `start` entrypoint.
-    let args = build_wezterm_compatible_args("Kaku", command, cwd);
-
-    let status = Command::new("open")
-        .args(args.iter().map(String::as_str))
-        .status()
-        .map_err(|e| format!("Failed to launch Kaku: {e}"))?;
-
-    if status.success() {
-        Ok(())
-    } else {
-        Err("Failed to launch Kaku.".to_string())
-    }
-}
-
-fn build_wezterm_compatible_args(app_name: &str, command: &str, cwd: Option<&str>) -> Vec<String> {
-    let shell = std::env::var("SHELL").unwrap_or_else(|_| "/bin/zsh".to_string());
-    build_wezterm_compatible_args_with_shell(app_name, command, cwd, &shell)
-}
-
-fn build_wezterm_compatible_args_with_shell(
-    app_name: &str,
-    command: &str,
-    cwd: Option<&str>,
-    shell: &str,
-) -> Vec<String> {
-    let full_command = build_shell_command(command, None);
-    let mut args = vec![
-        "-na".to_string(),
-        app_name.to_string(),
-        "--args".to_string(),
-        "start".to_string(),
-    ];
-
-    if let Some(dir) = cwd {
-        args.push("--cwd".to_string());
-        args.push(dir.to_string());
-    }
-
-    // Invoke shell to run the command string (to handle pipes, etc)
-    args.push("--".to_string());
-    args.push(shell.to_string());
-    args.push("-c".to_string());
-    args.push(full_command);
-    args
-}
-
 fn launch_alacritty(command: &str, cwd: Option<&str>) -> Result<(), String> {
     // Alacritty: open -na Alacritty --args --working-directory ... -e shell -c command
     let full_command = build_shell_command(command, None);
@@ -339,30 +305,4 @@ mod tests {
             "raw:echo foo\\\\\\\\bar\\npwd\\n"
         );
     }
-
-    #[test]
-    fn wezterm_compatible_terminals_use_start_and_cwd_arguments() {
-        let args = build_wezterm_compatible_args_with_shell(
-            "Kaku",
-            "claude --resume abc-123",
-            Some("/tmp/project dir"),
-            "/bin/zsh",
-        );
-
-        assert_eq!(
-            args,
-            vec![
-                "-na".to_string(),
-                "Kaku".to_string(),
-                "--args".to_string(),
-                "start".to_string(),
-                "--cwd".to_string(),
-                "/tmp/project dir".to_string(),
-                "--".to_string(),
-                "/bin/zsh".to_string(),
-                "-c".to_string(),
-                "claude --resume abc-123".to_string(),
-            ]
-        );
-    }
 }

src-tauri/src/settings.rs

@@ -273,7 +273,7 @@ pub struct AppSettings {
 
     // ===== 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" | "wezterm" | "kaku"
+    /// - 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")]

src/components/providers/forms/hooks/useModelState.ts

@@ -14,10 +14,11 @@ function parseModelsFromConfig(settingsConfig: string) {
     const env = cfg?.env || {};
     const model =
       typeof env.ANTHROPIC_MODEL === "string" ? env.ANTHROPIC_MODEL : "";
-    const reasoning =
+    const explicitReasoning =
       typeof env.ANTHROPIC_REASONING_MODEL === "string"
         ? env.ANTHROPIC_REASONING_MODEL
         : "";
+    const reasoning = explicitReasoning || model;
     const small =
       typeof env.ANTHROPIC_SMALL_FAST_MODEL === "string"
         ? env.ANTHROPIC_SMALL_FAST_MODEL
@@ -92,10 +93,11 @@ export function useModelState({
       const env = cfg?.env || {};
       const model =
         typeof env.ANTHROPIC_MODEL === "string" ? env.ANTHROPIC_MODEL : "";
-      const reasoning =
+      const explicitReasoning =
         typeof env.ANTHROPIC_REASONING_MODEL === "string"
           ? env.ANTHROPIC_REASONING_MODEL
           : "";
+      const reasoning = explicitReasoning || model;
       const small =
         typeof env.ANTHROPIC_SMALL_FAST_MODEL === "string"
           ? env.ANTHROPIC_SMALL_FAST_MODEL
@@ -148,16 +150,17 @@ export function useModelState({
           ? JSON.parse(settingsConfig)
           : { env: {} };
         if (!currentConfig.env) currentConfig.env = {};
+        const env = currentConfig.env as Record<string, unknown>;
 
         // 新键仅写入；旧键不再写入
         const trimmed = value.trim();
         if (trimmed) {
-          currentConfig.env[field] = trimmed;
+          env[field] = trimmed;
         } else {
-          delete currentConfig.env[field];
+          delete env[field];
         }
         // 删除旧键
-        delete currentConfig.env["ANTHROPIC_SMALL_FAST_MODEL"];
+        delete env["ANTHROPIC_SMALL_FAST_MODEL"];
 
         onConfigChange(JSON.stringify(currentConfig, null, 2));
       } catch (err) {

src/components/settings/TerminalSettings.tsx

@@ -16,7 +16,6 @@ const MACOS_TERMINALS = [
   { value: "kitty", labelKey: "settings.terminal.options.macos.kitty" },
   { value: "ghostty", labelKey: "settings.terminal.options.macos.ghostty" },
   { value: "wezterm", labelKey: "settings.terminal.options.macos.wezterm" },
-  { value: "kaku", labelKey: "settings.terminal.options.macos.kaku" },
 ] as const;
 
 const WINDOWS_TERMINALS = [

src/i18n/locales/en.json

@@ -535,8 +535,7 @@
           "alacritty": "Alacritty",
           "kitty": "Kitty",
           "ghostty": "Ghostty",
-          "wezterm": "WezTerm",
-          "kaku": "Kaku"
+          "wezterm": "WezTerm"
         },
         "windows": {
           "cmd": "Command Prompt",

src/i18n/locales/ja.json

@@ -535,8 +535,7 @@
           "alacritty": "Alacritty",
           "kitty": "Kitty",
           "ghostty": "Ghostty",
-          "wezterm": "WezTerm",
-          "kaku": "Kaku"
+          "wezterm": "WezTerm"
         },
         "windows": {
           "cmd": "コマンドプロンプト",

src/i18n/locales/zh.json

@@ -535,8 +535,7 @@
           "alacritty": "Alacritty",
           "kitty": "Kitty",
           "ghostty": "Ghostty",
-          "wezterm": "WezTerm",
-          "kaku": "Kaku"
+          "wezterm": "WezTerm"
         },
         "windows": {
           "cmd": "命令提示符",

src/types.ts

@@ -313,7 +313,7 @@ export interface Settings {
 
   // ===== 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" | "wezterm" | "kaku"
+  // macOS: "terminal" | "iterm2" | "warp" | "alacritty" | "kitty" | "ghostty"
   // Windows: "cmd" | "powershell" | "wt"
   // Linux: "gnome-terminal" | "konsole" | "xfce4-terminal" | "alacritty" | "kitty" | "ghostty"
   preferredTerminal?: string;