✨ feat(commands)：为所有命令添加config_path参数支持，实现自定义配置文件路径

♻️ refactor(config)：重构ConfigManager，添加with_path_fresh方法用于初始化新配置
🔧 fix(git)：改进跨平台路径处理，增强git仓库检测的鲁棒性
✅ test(tests)：添加全面的集成测试，覆盖所有命令和跨平台场景

src/config/manager.rs

@@ -19,7 +19,11 @@ impl ConfigManager {
 
     /// Create config manager with specific path
     pub fn with_path(path: &Path) -> Result<Self> {
-        let config = AppConfig::load(path)?;
+        let config = if path.exists() {
+            AppConfig::load(path)?
+        } else {
+            AppConfig::default()
+        };
         Ok(Self {
             config,
             config_path: path.to_path_buf(),
@@ -27,6 +31,15 @@ impl ConfigManager {
         })
     }
 
+    /// Create config manager with fresh config (ignoring existing)
+    pub fn with_path_fresh(path: &Path) -> Result<Self> {
+        Ok(Self {
+            config: AppConfig::default(),
+            config_path: path.to_path_buf(),
+            modified: true,
+        })
+    }
+
     /// Get configuration reference
     pub fn config(&self) -> &AppConfig {
         &self.config

src/config/profile.rs

@@ -177,8 +177,17 @@ impl GitProfile {
         
         if let Some(ref ssh) = self.ssh {
             if let Some(ref key_path) = ssh.private_key_path {
-                config.set_str("core.sshCommand", 
-                    &format!("ssh -i {}", key_path.display()))?;
+                let path_str = key_path.display().to_string();
+                #[cfg(target_os = "windows")]
+                {
+                    config.set_str("core.sshCommand", 
+                        &format!("ssh -i \"{}\"", path_str.replace('\\', "/")))?;
+                }
+                #[cfg(not(target_os = "windows"))]
+                {
+                    config.set_str("core.sshCommand", 
+                        &format!("ssh -i '{}'", path_str))?;
+                }
             }
         }
         
@@ -206,8 +215,17 @@ impl GitProfile {
         
         if let Some(ref ssh) = self.ssh {
             if let Some(ref key_path) = ssh.private_key_path {
-                config.set_str("core.sshCommand", 
-                    &format!("ssh -i {}", key_path.display()))?;
+                let path_str = key_path.display().to_string();
+                #[cfg(target_os = "windows")]
+                {
+                    config.set_str("core.sshCommand", 
+                        &format!("ssh -i \"{}\"", path_str.replace('\\', "/")))?;
+                }
+                #[cfg(not(target_os = "windows"))]
+                {
+                    config.set_str("core.sshCommand", 
+                        &format!("ssh -i '{}'", path_str))?;
+                }
             }
         }
         
@@ -351,7 +369,15 @@ impl SshConfig {
         if let Some(ref cmd) = self.ssh_command {
             Some(cmd.clone())
         } else if let Some(ref key_path) = self.private_key_path {
-            Some(format!("ssh -i '{}'", key_path.display()))
+            let path_str = key_path.display().to_string();
+            #[cfg(target_os = "windows")]
+            {
+                Some(format!("ssh -i \"{}\"", path_str.replace('\\', "/")))
+            }
+            #[cfg(not(target_os = "windows"))]
+            {
+                Some(format!("ssh -i '{}'", path_str))
+            }
         } else {
             None
         }
@@ -511,7 +537,11 @@ pub struct ConfigDifference {
 }
 
 fn default_gpg_program() -> String {
-    "gpg".to_string()
+    if cfg!(target_os = "windows") {
+        "gpg.exe".to_string()
+    } else {
+        "gpg".to_string()
+    }
 }
 
 fn default_true() -> bool {