fix: align Claude MCP path for custom config dirs (#3431)

* fix claude mcp path for custom config dir

* fix claude mcp custom profile isolation

* fix claude mcp override path edges

* fix ci test isolation

src-tauri/src/claude_desktop_config.rs

@@ -1339,8 +1339,10 @@ mod tests {
     }
 
     fn set_proxy_port(db: &Database, port: u16) {
-        let mut config = crate::proxy::types::ProxyConfig::default();
-        config.listen_port = port;
+        let config = crate::proxy::types::ProxyConfig {
+            listen_port: port,
+            ..Default::default()
+        };
         futures::executor::block_on(db.update_proxy_config(config)).expect("update proxy config");
     }
 

src-tauri/src/claude_mcp.rs

@@ -4,7 +4,7 @@ use std::env;
 use std::fs;
 use std::path::{Path, PathBuf};
 
-use crate::config::{atomic_write, get_claude_mcp_path, get_default_claude_mcp_path};
+use crate::config::{atomic_write, get_claude_mcp_path};
 use crate::error::AppError;
 
 /// 需要在 Windows 上用 cmd /c 包装的命令
@@ -98,51 +98,9 @@ pub struct McpStatus {
 }
 
 fn user_config_path() -> PathBuf {
-    ensure_mcp_override_migrated();
     get_claude_mcp_path()
 }
 
-fn ensure_mcp_override_migrated() {
-    if crate::settings::get_claude_override_dir().is_none() {
-        return;
-    }
-
-    let new_path = get_claude_mcp_path();
-    if new_path.exists() {
-        return;
-    }
-
-    let legacy_path = get_default_claude_mcp_path();
-    if !legacy_path.exists() {
-        return;
-    }
-
-    if let Some(parent) = new_path.parent() {
-        if let Err(err) = fs::create_dir_all(parent) {
-            log::warn!("创建 MCP 目录失败: {err}");
-            return;
-        }
-    }
-
-    match fs::copy(&legacy_path, &new_path) {
-        Ok(_) => {
-            log::info!(
-                "已根据覆盖目录复制 MCP 配置: {} -> {}",
-                legacy_path.display(),
-                new_path.display()
-            );
-        }
-        Err(err) => {
-            log::warn!(
-                "复制 MCP 配置失败: {} -> {}: {}",
-                legacy_path.display(),
-                new_path.display(),
-                err
-            );
-        }
-    }
-}
-
 fn read_json_value(path: &Path) -> Result<Value, AppError> {
     if !path.exists() {
         return Ok(serde_json::json!({}));

src-tauri/src/config.rs

@@ -2,7 +2,7 @@ use serde::{Deserialize, Serialize};
 use serde_json::{Map, Value};
 use std::fs;
 use std::io::Write;
-use std::path::{Path, PathBuf};
+use std::path::{Component, Path, PathBuf};
 
 use crate::error::AppError;
 
@@ -47,25 +47,118 @@ pub fn get_default_claude_mcp_path() -> PathBuf {
     get_home_dir().join(".claude.json")
 }
 
-fn derive_mcp_path_from_override(dir: &Path) -> Option<PathBuf> {
-    let file_name = dir
-        .file_name()
-        .map(|name| name.to_string_lossy().to_string())?
-        .trim()
-        .to_string();
-    if file_name.is_empty() {
-        return None;
+fn normalize_path_lexically(path: &Path) -> PathBuf {
+    let mut normalized = PathBuf::new();
+
+    for component in path.components() {
+        match component {
+            Component::CurDir => {}
+            Component::ParentDir => {
+                if !normalized.pop() {
+                    normalized.push(component.as_os_str());
+                }
+            }
+            Component::Normal(part) => normalized.push(part),
+            Component::RootDir | Component::Prefix(_) => normalized.push(component.as_os_str()),
+        }
     }
-    let parent = dir.parent().unwrap_or_else(|| Path::new(""));
-    Some(parent.join(format!("{file_name}.json")))
+
+    normalized
 }
 
-/// 获取 Claude MCP 配置文件路径，若设置了目录覆盖则与覆盖目录同级
+fn comparable_path_key(path: &Path) -> String {
+    let mut key = normalize_path_lexically(path).to_string_lossy().to_string();
+
+    #[cfg(windows)]
+    {
+        key = key.replace('\\', "/");
+    }
+
+    while key.len() > 1 && key.ends_with('/') {
+        key.pop();
+    }
+
+    #[cfg(windows)]
+    {
+        key.make_ascii_lowercase();
+    }
+
+    key
+}
+
+fn path_eq_lexical(left: &Path, right: &Path) -> bool {
+    comparable_path_key(left) == comparable_path_key(right)
+}
+
+#[cfg(windows)]
+fn derive_wsl_default_mcp_path(dir: &Path) -> Option<PathBuf> {
+    use std::path::Prefix;
+
+    let normalized = normalize_path_lexically(dir);
+    let mut components = normalized.components();
+    let prefix = match components.next()? {
+        Component::Prefix(prefix) => prefix,
+        _ => return None,
+    };
+
+    let server = match prefix.kind() {
+        Prefix::UNC(server, _) | Prefix::VerbatimUNC(server, _) => server.to_string_lossy(),
+        _ => return None,
+    };
+
+    if !server.eq_ignore_ascii_case("wsl$") && !server.eq_ignore_ascii_case("wsl.localhost") {
+        return None;
+    }
+
+    let mut parts = Vec::new();
+    for component in components {
+        match component {
+            Component::RootDir | Component::CurDir => {}
+            Component::Normal(part) => parts.push(part.to_string_lossy().to_string()),
+            Component::ParentDir | Component::Prefix(_) => return None,
+        }
+    }
+
+    let is_wsl_home_default =
+        parts.len() == 3 && parts[0] == "home" && !parts[1].is_empty() && parts[2] == ".claude";
+    let is_wsl_root_default = parts.len() == 2 && parts[0] == "root" && parts[1] == ".claude";
+
+    if is_wsl_home_default || is_wsl_root_default {
+        return normalized
+            .parent()
+            .map(|parent| parent.join(".claude.json"));
+    }
+
+    None
+}
+
+fn default_mcp_path_for_config_dir(dir: &Path) -> Option<PathBuf> {
+    let default_config_dir = get_home_dir().join(".claude");
+    if path_eq_lexical(dir, &default_config_dir) {
+        return Some(get_default_claude_mcp_path());
+    }
+
+    #[cfg(windows)]
+    {
+        if let Some(path) = derive_wsl_default_mcp_path(dir) {
+            return Some(path);
+        }
+    }
+
+    None
+}
+
+fn derive_mcp_path_from_override(dir: &Path) -> PathBuf {
+    dir.join(".claude.json")
+}
+
+/// 获取 Claude MCP 配置文件路径
 pub fn get_claude_mcp_path() -> PathBuf {
     if let Some(custom_dir) = crate::settings::get_claude_override_dir() {
-        if let Some(path) = derive_mcp_path_from_override(&custom_dir) {
+        if let Some(path) = default_mcp_path_for_config_dir(&custom_dir) {
             return path;
         }
+        return derive_mcp_path_from_override(&custom_dir);
     }
     get_default_claude_mcp_path()
 }
@@ -263,33 +356,73 @@ mod tests {
     use super::*;
 
     #[test]
-    fn derive_mcp_path_from_override_preserves_folder_name() {
+    fn derive_mcp_path_from_override_uses_config_dir_for_custom_path() {
         let override_dir = PathBuf::from("/tmp/profile/.claude");
-        let derived = derive_mcp_path_from_override(&override_dir)
-            .expect("should derive path for nested dir");
-        assert_eq!(derived, PathBuf::from("/tmp/profile/.claude.json"));
+        let derived = derive_mcp_path_from_override(&override_dir);
+        assert_eq!(derived, PathBuf::from("/tmp/profile/.claude/.claude.json"));
     }
 
     #[test]
-    fn derive_mcp_path_from_override_handles_non_hidden_folder() {
+    fn derive_mcp_path_from_override_uses_config_dir_for_non_hidden_folder() {
         let override_dir = PathBuf::from("/data/claude-config");
-        let derived = derive_mcp_path_from_override(&override_dir)
-            .expect("should derive path for standard dir");
-        assert_eq!(derived, PathBuf::from("/data/claude-config.json"));
+        let derived = derive_mcp_path_from_override(&override_dir);
+        assert_eq!(derived, PathBuf::from("/data/claude-config/.claude.json"));
     }
 
     #[test]
     fn derive_mcp_path_from_override_supports_relative_rootless_dir() {
         let override_dir = PathBuf::from("claude");
-        let derived = derive_mcp_path_from_override(&override_dir)
-            .expect("should derive path for single segment");
-        assert_eq!(derived, PathBuf::from("claude.json"));
+        let derived = derive_mcp_path_from_override(&override_dir);
+        assert_eq!(derived, PathBuf::from("claude/.claude.json"));
     }
 
     #[test]
-    fn derive_mcp_path_from_root_like_dir_returns_none() {
+    fn derive_mcp_path_from_root_like_dir_uses_root_file() {
         let override_dir = PathBuf::from("/");
-        assert!(derive_mcp_path_from_override(&override_dir).is_none());
+        let derived = derive_mcp_path_from_override(&override_dir);
+        assert_eq!(derived, PathBuf::from("/.claude.json"));
+    }
+
+    #[test]
+    fn derive_mcp_path_from_override_preserves_leading_parent_dirs() {
+        let override_dir = PathBuf::from("../../profiles/work/.claude");
+        let derived = derive_mcp_path_from_override(&override_dir);
+        assert_eq!(derived, override_dir.join(".claude.json"));
+    }
+
+    #[cfg(windows)]
+    #[test]
+    fn wsl_unc_home_default_uses_split_mcp_path() {
+        let override_dir = PathBuf::from(r"\\wsl$\Ubuntu\home\travis\.claude");
+        let derived = default_mcp_path_for_config_dir(&override_dir)
+            .expect("WSL home default should use split MCP path");
+        assert_eq!(
+            derived,
+            PathBuf::from(r"\\wsl$\Ubuntu\home\travis\.claude.json")
+        );
+    }
+
+    #[cfg(windows)]
+    #[test]
+    fn wsl_unc_root_default_uses_split_mcp_path() {
+        let override_dir = PathBuf::from(r"\\wsl.localhost\Ubuntu\root\.claude");
+        let derived = default_mcp_path_for_config_dir(&override_dir)
+            .expect("WSL root default should use split MCP path");
+        assert_eq!(
+            derived,
+            PathBuf::from(r"\\wsl.localhost\Ubuntu\root\.claude.json")
+        );
+    }
+
+    #[cfg(windows)]
+    #[test]
+    fn wsl_unc_custom_dir_uses_nested_mcp_path() {
+        let override_dir = PathBuf::from(r"\\wsl$\Ubuntu\opt\claude\.claude");
+        assert!(default_mcp_path_for_config_dir(&override_dir).is_none());
+        assert_eq!(
+            derive_mcp_path_from_override(&override_dir),
+            PathBuf::from(r"\\wsl$\Ubuntu\opt\claude\.claude\.claude.json")
+        );
     }
 
     #[test]

src-tauri/src/database/dao/usage_rollup.rs

@@ -493,8 +493,10 @@ mod tests {
 
         {
             let conn = crate::database::lock_conn!(db.conn);
-            let date_str = chrono::DateTime::from_timestamp(old_ts, 0)
-                .unwrap()
+            let date_str = Local
+                .timestamp_opt(old_ts, 0)
+                .single()
+                .expect("old timestamp should be a valid local datetime")
                 .format("%Y-%m-%d")
                 .to_string();
             conn.execute(

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

@@ -463,6 +463,7 @@ base_url = "http://localhost:8080"
 
         db.update_proxy_config(ProxyConfig {
             live_takeover_active: true,
+            listen_port: 0,
             ..Default::default()
         })
         .await
@@ -491,7 +492,7 @@ base_url = "http://localhost:8080"
         )
         .expect("seed taken-over live file");
 
-        state
+        let proxy_info = state
             .proxy_service
             .start()
             .await
@@ -544,7 +545,7 @@ base_url = "http://localhost:8080"
             live.get("env")
                 .and_then(|env| env.get("ANTHROPIC_BASE_URL"))
                 .and_then(|v| v.as_str()),
-            Some("http://127.0.0.1:15721"),
+            Some(format!("http://127.0.0.1:{}", proxy_info.port).as_str()),
             "proxy base URL should stay intact"
         );
         assert!(

src-tauri/src/services/proxy.rs

@@ -5444,8 +5444,10 @@ command = "shared-command"
         )
         .expect("set common config snippet");
 
-        let mut proxy_config = ProxyConfig::default();
-        proxy_config.listen_port = 0;
+        let proxy_config = ProxyConfig {
+            listen_port: 0,
+            ..Default::default()
+        };
         db.update_proxy_config(proxy_config)
             .await
             .expect("set test proxy config");
@@ -5582,8 +5584,10 @@ requires_openai_auth = true
         let db = Arc::new(Database::memory().expect("init db"));
         let state = crate::store::AppState::new(db.clone());
 
-        let mut proxy_config = ProxyConfig::default();
-        proxy_config.listen_port = 0;
+        let proxy_config = ProxyConfig {
+            listen_port: 0,
+            ..Default::default()
+        };
         db.update_proxy_config(proxy_config)
             .await
             .expect("set test proxy config");