docs(frontend): add code comments and improve formatting

- Add explanatory comment in EditProviderDialog about config assembly
- Improve import formatting in SkillsPage for better readability

src/components/providers/EditProviderDialog.tsx

@@ -78,6 +78,8 @@ export function EditProviderDialog({
     async (values: ProviderFormValues) => {
       if (!provider) return;
 
+      // 注意：values.settingsConfig 已经是最终的配置字符串
+      // ProviderForm 已经为不同的 app 类型（Claude/Codex/Gemini）正确组装了配置
       const parsedConfig = JSON.parse(values.settingsConfig) as Record<
         string,
         unknown

src/components/skills/SkillsPage.tsx

@@ -1,4 +1,10 @@
-import { useState, useEffect, useMemo, forwardRef, useImperativeHandle } from "react";
+import {
+  useState,
+  useEffect,
+  useMemo,
+  forwardRef,
+  useImperativeHandle,
+} from "react";
 import { useTranslation } from "react-i18next";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";