feat: 全面完善功能和修复 CSS/API 问题

- 修复暗色主题缺少 --accent 变量导致按钮颜色异常
- 消除所有 CSS 硬编码颜色（btn-primary, btn-danger:hover, sidebar-logo）
- 添加 toast.warning 样式支持
- Modal 支持 Enter 确认和 Escape 关闭
- Dashboard 快速操作按钮添加 loading 状态
- Services 操作后延迟刷新确保状态同步
- Memory 页面添加预览/新建/删除文件功能
- Deploy 页面 .env 路径添加默认值
- Rust 后端补充 delete_memory_file/check_installation/write_env_file 命令
- Mock 数据补全所有 API 端点

src-tauri/src/commands/config.rs

@@ -70,3 +70,29 @@ pub fn get_version_info() -> Result<VersionInfo, String> {
         update_available: false,
     })
 }
+
+#[tauri::command]
+pub fn check_installation() -> Result<Value, String> {
+    let openclaw_dir = openclaw_dir();
+    let installed = openclaw_dir.join("openclaw.json").exists();
+    let mut result = serde_json::Map::new();
+    result.insert("installed".into(), Value::Bool(installed));
+    result.insert("path".into(), Value::String(openclaw_dir.to_string_lossy().to_string()));
+    Ok(Value::Object(result))
+}
+
+#[tauri::command]
+pub fn write_env_file(path: String, config: String) -> Result<(), String> {
+    let expanded = if path.starts_with("~/") {
+        dirs::home_dir()
+            .unwrap_or_default()
+            .join(&path[2..])
+    } else {
+        PathBuf::from(&path)
+    };
+    if let Some(parent) = expanded.parent() {
+        let _ = fs::create_dir_all(parent);
+    }
+    fs::write(&expanded, &config)
+        .map_err(|e| format!("写入 .env 失败: {e}"))
+}

src-tauri/src/commands/memory.rs

@@ -110,3 +110,25 @@ pub fn write_memory_file(path: String, content: String) -> Result<(), String> {
     fs::write(&target, &content)
         .map_err(|e| format!("写入失败: {e}"))
 }
+
+#[tauri::command]
+pub fn delete_memory_file(path: String) -> Result<(), String> {
+    if path.contains("..") {
+        return Err("非法路径".to_string());
+    }
+
+    let candidates = [
+        memory_dir("memory").join(&path),
+        memory_dir("archive").join(&path),
+        memory_dir("core").join(&path),
+    ];
+
+    for candidate in &candidates {
+        if candidate.exists() {
+            return fs::remove_file(candidate)
+                .map_err(|e| format!("删除失败: {e}"));
+        }
+    }
+
+    Err(format!("文件不存在: {path}"))
+}

src-tauri/src/lib.rs

@@ -13,6 +13,8 @@ pub fn run() {
             config::read_mcp_config,
             config::write_mcp_config,
             config::get_version_info,
+            config::check_installation,
+            config::write_env_file,
             // 服务
             service::get_services_status,
             service::start_service,
@@ -25,6 +27,7 @@ pub fn run() {
             memory::list_memory_files,
             memory::read_memory_file,
             memory::write_memory_file,
+            memory::delete_memory_file,
         ])
         .run(tauri::generate_context!())
         .expect("启动 ClawPanel 失败");