style: 优化工具管理自动执行行的可读性

背景改用 alpha(success.main, 0.12) 主题感知透明色，文字和按钮保持不透明；左侧加绿色状态条 + 圆点指示；取消自动按钮改为 contained error（危险动作更醒目）；统一按钮字号 11、minWidth 72

src/components/settings/SettingsModal.tsx

@@ -4,6 +4,7 @@
 
 import { useState, useEffect, useCallback } from 'react';
 import { Dialog, DialogContent, DialogTitle, Button, TextField, Select, MenuItem, Tabs, Tab, Checkbox, Box, Typography, Stack, Divider, FormControlLabel, InputLabel, FormControl, IconButton, Chip, Switch, Alert, CircularProgress } from '@mui/material';
+import { alpha } from '@mui/material/styles';
 import { X, Settings, Bot, Wrench, Server, Palette, FileText, Eye, EyeOff, FolderOpen, Globe } from 'lucide-react';
 import { useUIStore, type ThemeMode } from '@renderer/stores/ui-store';
 import { useAgentStore } from '@renderer/stores/agent-store';
@@ -482,12 +483,38 @@ function ToolsSettings() {
         </Typography>
       ) : (
         autoExecToolDetails.map((t) => (
-          <Stack key={t.name} direction="row" sx={{ py: 1, px: 1.5, borderRadius: 1.5, bgcolor: 'success.main', opacity: 0.15, justifyContent: 'space-between', alignItems: 'center' }}>
+          <Stack
+            key={t.name}
+            direction="row"
+            sx={(theme) => ({
+              py: 1, px: 1.5, borderRadius: 1.5,
+              // 用主题 success 色的 12% 透明度做底，文字和按钮保持不透明
+              bgcolor: alpha(theme.palette.success.main, 0.12),
+              // 左侧绿色状态条，强化"已自动执行"视觉
+              boxShadow: `inset 3px 0 0 ${theme.palette.success.main}`,
+              justifyContent: 'space-between', alignItems: 'center',
+            })}
+          >
             <Stack direction="row" spacing={1} sx={{ alignItems: 'center', minWidth: 0, flex: 1 }}>
-              <Typography variant="body2" sx={{ fontFamily: 'monospace', fontSize: 12, color: 'text.primary' }}>{t.name}</Typography>
+              <Box
+                component="span"
+                sx={{
+                  width: 6, height: 6, borderRadius: '50%',
+                  bgcolor: 'success.main', flexShrink: 0,
+                }}
+              />
+              <Typography variant="body2" sx={{ fontFamily: 'monospace', fontSize: 12, color: 'text.primary', fontWeight: 600 }}>
+                {t.name}
+              </Typography>
               <Chip label="自动" size="small" color="success" sx={{ height: 16, fontSize: 9 }} />
             </Stack>
-            <Button size="small" color="warning" variant="outlined" sx={{ fontSize: 10, minWidth: 70 }} onClick={() => handleSetAutoExec(t.name, false)}>
+            <Button
+              size="small"
+              color="error"
+              variant="contained"
+              sx={{ fontSize: 11, minWidth: 72, fontWeight: 600 }}
+              onClick={() => handleSetAutoExec(t.name, false)}
+            >
               取消自动
             </Button>
           </Stack>
@@ -503,10 +530,10 @@ function ToolsSettings() {
           {pendingConfirmTools.map((t) => (
             <Stack key={t.name} direction="row" sx={{ py: 1, px: 1.5, borderRadius: 1.5, bgcolor: 'secondary.main', border: '1px dashed', borderColor: 'divider', justifyContent: 'space-between', alignItems: 'center' }}>
               <Stack direction="row" spacing={1} sx={{ alignItems: 'center', minWidth: 0, flex: 1 }}>
-                <Typography variant="body2" sx={{ fontFamily: 'monospace', fontSize: 12 }}>{t.name}</Typography>
+                <Typography variant="body2" sx={{ fontFamily: 'monospace', fontSize: 12, color: 'text.primary' }}>{t.name}</Typography>
                 <Chip label={t.riskLevel.toUpperCase()} size="small" color={riskColors[t.riskLevel]} variant="outlined" sx={{ height: 16, fontSize: 9 }} />
               </Stack>
-              <Button size="small" color="success" variant="contained" sx={{ fontSize: 10, minWidth: 70 }} onClick={() => handleSetAutoExec(t.name, true)}>
+              <Button size="small" color="success" variant="contained" sx={{ fontSize: 11, minWidth: 72, fontWeight: 600 }} onClick={() => handleSetAutoExec(t.name, true)}>
                 设为自动
               </Button>
             </Stack>