diff --git a/frontend/src/components/ConfigFieldInput.tsx b/frontend/src/components/ConfigFieldInput.tsx
new file mode 100644
index 0000000..41a5e4a
--- /dev/null
+++ b/frontend/src/components/ConfigFieldInput.tsx
@@ -0,0 +1,140 @@
+
+import type { ConfigFieldDto } from '@/services/configService';
+import { Input } from '@/components/ui/input';
+import { Switch } from '@/components/ui/switch';
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select';
+import { Textarea } from '@/components/ui/textarea';
+import { Badge } from '@/components/ui/badge';
+import { Label } from '@/components/ui/label';
+import { Lock } from 'lucide-react';
+
+interface ConfigFieldInputProps {
+  field: ConfigFieldDto;
+  value: any;
+  onChange: (value: any) => void;
+}
+
+export function ConfigFieldInput({ field, value, onChange }: ConfigFieldInputProps) {
+  const isReadonly = !!field.readonly;
+
+  const renderInput = () => {
+    const baseInputClasses = "bg-zinc-900/50 border-white/10 focus-visible:ring-primary focus-visible:border-primary transition-all duration-200" + (isReadonly ? " opacity-50 cursor-not-allowed" : "");
+    switch (field.type) {
+      case 'boolean':
+        return (
+          <Switch
+            checked={Boolean(value)}
+            onCheckedChange={onChange}
+            disabled={isReadonly}
+            className={`data-[state=checked]:bg-primary ${isReadonly ? 'opacity-50 cursor-not-allowed' : ''}`}
+          />
+        );
+      case 'enum':
+        return (
+          <Select
+            value={value !== undefined && value !== null ? String(value) : ''}
+            onValueChange={onChange}
+            disabled={isReadonly}
+          >
+            <SelectTrigger className={`w-full ${baseInputClasses}`}>
+              <SelectValue placeholder="请选择..." />
+            </SelectTrigger>
+            <SelectContent className="bg-zinc-950 border-white/10">
+              {field.enumValues?.map((val) => (
+                <SelectItem key={val} value={val} className="focus:bg-zinc-900 focus:text-primary">
+                  {val}
+                </SelectItem>
+              ))}
+            </SelectContent>
+          </Select>
+        );
+      case 'text':
+        return (
+          <Textarea
+            value={value !== undefined && value !== null ? String(value) : ''}
+            onChange={(e) => onChange(e.target.value)}
+            placeholder={field.sensitive && field.hasValue ? '••••••••' : ''}
+            className={`min-h-[100px] ${baseInputClasses}`}
+            disabled={isReadonly}
+          />
+        );
+      case 'number':
+        return (
+          <Input
+            type="number"
+            value={value !== undefined && value !== null ? String(value) : ''}
+            onChange={(e) => onChange(e.target.value)}
+            placeholder={field.sensitive && field.hasValue ? '••••••••' : ''}
+            min={field.min}
+            max={field.max}
+            disabled={isReadonly}
+            className={baseInputClasses}
+          />
+        );
+      case 'string':
+      case 'url':
+      default:
+        return (
+          <Input
+            type={field.type === 'url' ? 'url' : 'text'}
+            value={value !== undefined && value !== null ? String(value) : ''}
+            onChange={(e) => onChange(e.target.value)}
+            placeholder={field.sensitive && field.hasValue ? '••••••••' : ''}
+            disabled={isReadonly}
+            className={baseInputClasses}
+          />
+        );
+    }
+  };
+
+  const getSourceBadge = () => {
+    switch (field.source) {
+      case 'override':
+        return <Badge className="ml-2 bg-primary/20 text-primary border-primary/30 tech-glow hover:bg-primary/30 transition-colors">覆盖值</Badge>;
+      case 'env':
+        return <Badge variant="secondary" className="ml-2 bg-amber-500/20 text-amber-500 border-amber-500/30 hover:bg-amber-500/30">环境变量</Badge>;
+      case 'default':
+      default:
+        return <Badge variant="outline" className="ml-2 border-zinc-600 text-zinc-400">默认值</Badge>;
+    }
+  };
+
+  return (
+    <div className="flex flex-col py-5 px-1 gap-3 hover:bg-zinc-900/30 transition-colors rounded-lg">
+      <div className="flex flex-col md:flex-row md:items-start justify-between gap-4">
+        <div className="flex flex-col space-y-1.5 flex-1">
+          <div className="flex items-center">
+            <Label className="text-base font-semibold text-zinc-100">{field.label || field.envKey}</Label>
+            {getSourceBadge()}
+          </div>
+          <div className="text-sm text-zinc-400 leading-relaxed">
+            {field.description}
+          </div>
+          <div className="pt-1">
+            <span className="font-mono text-xs px-2 py-0.5 rounded-md bg-primary/10 text-primary border border-primary/20 inline-flex items-center">
+              $ {field.envKey}
+            </span>
+          </div>
+        </div>
+
+        <div className="flex-1 w-full max-w-xl flex flex-col gap-2">
+          {renderInput()}
+          
+          {isReadonly && (
+            <div className="text-xs text-zinc-500 flex items-center gap-1.5 pt-1">
+              <Lock className="w-3.5 h-3.5" />
+              只读配置，请通过环境变量文件修改
+            </div>
+          )}
+
+          {!isReadonly && field.readonlyWarning && (
+            <div className="text-xs text-amber-500 flex items-center gap-1.5 pt-1">
+              <span className="w-1.5 h-1.5 rounded-full bg-amber-500 animate-pulse" />
+              {field.readonlyWarning}
+            </div>
+          )}
+        </div>
+      </div>
+    </div>
+  );
+}
diff --git a/frontend/src/components/ConfigGroupCard.tsx b/frontend/src/components/ConfigGroupCard.tsx
new file mode 100644
index 0000000..3b1102a
--- /dev/null
+++ b/frontend/src/components/ConfigGroupCard.tsx
@@ -0,0 +1,93 @@
+
+import type { ConfigGroupDto } from '@/services/configService';
+import { Card, CardHeader, CardTitle, CardDescription, CardContent } from '@/components/ui/card';
+import { Button } from '@/components/ui/button';
+import { ConfigFieldInput } from './ConfigFieldInput';
+import {
+  RotateCcw, Link, Bot, Bell, Settings, Shield, FileCheck, Brain,
+  type LucideIcon,
+} from 'lucide-react';
+
+const ICON_MAP: Record<string, LucideIcon> = {
+  link: Link,
+  bot: Bot,
+  bell: Bell,
+  settings: Settings,
+  shield: Shield,
+  'file-check': FileCheck,
+  brain: Brain,
+};
+
+interface ConfigGroupCardProps {
+  group: ConfigGroupDto;
+  localConfig: Record<string, any>;
+  onFieldChange: (envKey: string, value: any) => void;
+  onReset: (keys: string[]) => void;
+  isResetting: boolean;
+}
+
+export function ConfigGroupCard({
+  group,
+  localConfig,
+  onFieldChange,
+  onReset,
+  isResetting,
+}: ConfigGroupCardProps) {
+  const hasOverride = group.fields.some((f) => f.source === 'override');
+
+  const handleReset = () => {
+    // Only reset fields that actually have overrides
+    const keysToReset = group.fields
+      .filter((f) => f.source === 'override')
+      .map((f) => f.envKey);
+
+    if (keysToReset.length > 0) {
+      onReset(keysToReset);
+    }
+  };
+
+  return (
+    <Card className="mb-8 glass-panel border-white/10 shadow-xl overflow-hidden group">
+      <CardHeader className="flex flex-row items-center justify-between pb-4 space-y-0 border-b border-white/5 bg-zinc-950/30">
+        <div className="flex items-center gap-4">
+          <div className="w-10 h-10 rounded-xl bg-primary/10 flex items-center justify-center border border-primary/20 tech-glow group-hover:bg-primary/20 transition-all duration-300">
+            {(() => {
+              const Icon = ICON_MAP[group.icon];
+              return Icon ? <Icon className="h-5 w-5 text-primary" /> : <span className="text-primary">{group.icon}</span>;
+            })()}
+          </div>
+          <div className="space-y-1">
+            <CardTitle className="text-xl font-bold text-zinc-100 tracking-tight">
+              {group.label}
+            </CardTitle>
+            <CardDescription className="text-zinc-400">
+              {group.description}
+            </CardDescription>
+          </div>
+        </div>
+        {hasOverride && (
+          <Button
+            variant="outline"
+            size="sm"
+            onClick={handleReset}
+            disabled={isResetting}
+            className="border-rose-500/30 text-rose-500 hover:bg-rose-500/10 hover:text-rose-400 hover:border-rose-500/50 transition-colors"
+          >
+            <RotateCcw className="w-4 h-4 mr-2" />
+            重置组配置
+          </Button>
+        )}
+      </CardHeader>
+      <CardContent className="divide-y divide-white/5 p-6 bg-zinc-950/20">
+        {group.fields.map((field) => (
+          <ConfigFieldInput
+            key={field.envKey}
+            field={field}
+            value={localConfig[field.envKey]}
+            onChange={(val) => onFieldChange(field.envKey, val)}
+          />
+        ))}
+      </CardContent>
+    </Card>
+  );
+}
diff --git a/frontend/src/components/ConfigManager.tsx b/frontend/src/components/ConfigManager.tsx
new file mode 100644
index 0000000..feae516
--- /dev/null
+++ b/frontend/src/components/ConfigManager.tsx
@@ -0,0 +1,181 @@
+import { useState, useEffect } from 'react';
+import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
+import { fetchConfig, updateConfig, resetConfig } from '@/services/configService';
+import type { ConfigResponse } from '@/services/configService';
+import { ConfigGroupCard } from './ConfigGroupCard';
+import { Button } from '@/components/ui/button';
+import { Skeleton } from '@/components/ui/skeleton';
+import { Save, AlertCircle, RotateCcw } from 'lucide-react';
+import { toast } from 'sonner';
+
+export function ConfigManager() {
+  const queryClient = useQueryClient();
+  const [localConfig, setLocalConfig] = useState<Record<string, any>>({});
+  const [hasChanges, setHasChanges] = useState(false);
+
+  const { data, isLoading, isError, error } = useQuery<ConfigResponse, Error>({
+    queryKey: ['config'],
+    queryFn: fetchConfig,
+  });
+
+  // Initialize local config from fetched data
+  useEffect(() => {
+    if (data) {
+      const initialState: Record<string, any> = {};
+      data.groups.forEach((group) => {
+        group.fields.forEach((field) => {
+          if (field.sensitive && field.hasValue) {
+            initialState[field.envKey] = '••••••••';
+          } else {
+            // For boolean, keep as boolean. For others, string/number.
+            // If value is undefined or null, use empty string.
+            if (field.type === 'boolean') {
+              initialState[field.envKey] = field.value === 'true' || field.value === true;
+            } else {
+              initialState[field.envKey] = field.value ?? '';
+            }
+          }
+        });
+      });
+      setLocalConfig(initialState);
+      setHasChanges(false);
+    }
+  }, [data]);
+
+  const saveMutation = useMutation({
+    mutationFn: (configData: Record<string, string>) => updateConfig(configData),
+    onSuccess: () => {
+      toast.success('配置已成功保存');
+      queryClient.invalidateQueries({ queryKey: ['config'] });
+      setHasChanges(false);
+    },
+    onError: (err: Error) => {
+      toast.error(`保存失败: ${err.message}`);
+    },
+  });
+
+  const resetMutation = useMutation({
+    mutationFn: (keys: string[]) => resetConfig(keys),
+    onSuccess: () => {
+      toast.success('配置已重置');
+      queryClient.invalidateQueries({ queryKey: ['config'] });
+    },
+    onError: (err: Error) => {
+      toast.error(`重置失败: ${err.message}`);
+    },
+  });
+
+  const handleFieldChange = (envKey: string, value: any) => {
+    setLocalConfig((prev) => ({
+      ...prev,
+      [envKey]: value,
+    }));
+    setHasChanges(true);
+  };
+
+  const handleSave = () => {
+    const payload: Record<string, string> = {};
+
+    for (const [key, val] of Object.entries(localConfig)) {
+      if (typeof val === 'boolean') {
+        payload[key] = val ? 'true' : 'false';
+      } else {
+        payload[key] = val === undefined || val === null ? '' : String(val);
+      }
+    }
+
+    saveMutation.mutate(payload);
+  };
+
+  const handleResetGroup = (keys: string[]) => {
+    if (confirm('确定要重置这些配置到默认值吗？这将立即生效并重载关联设置。')) {
+      resetMutation.mutate(keys);
+    }
+  };
+
+  const handleResetAll = () => {
+    if (!data) return;
+    const allOverrideKeys = data.groups
+      .flatMap((g) => g.fields)
+      .filter((f) => f.source === 'override')
+      .map((f) => f.envKey);
+    if (allOverrideKeys.length === 0) return;
+    if (confirm('确定要重置所有配置到默认值吗？这将立即生效。')) {
+      resetMutation.mutate(allOverrideKeys);
+    }
+  };
+
+  const hasOverrides = data?.groups.some((g) =>
+    g.fields.some((f) => f.source === 'override')
+  ) ?? false;
+
+  if (isLoading) {
+    return (
+      <div className="space-y-6">
+        <div className="flex justify-between items-center mb-6">
+          <Skeleton className="h-10 w-48 bg-zinc-900/50" />
+          <Skeleton className="h-10 w-24 bg-zinc-900/50" />
+        </div>
+        <Skeleton className="h-[300px] w-full rounded-xl bg-zinc-900/50 border border-white/5" />
+        <Skeleton className="h-[300px] w-full rounded-xl bg-zinc-900/50 border border-white/5" />
+      </div>
+    );
+  }
+
+  if (isError) {
+    return (
+      <div className="p-4 bg-rose-500/10 border border-rose-500/20 text-rose-500 rounded-lg flex items-center gap-3 glass-panel">
+        <AlertCircle className="w-5 h-5 text-rose-500" />
+        <div className="font-medium tracking-wide">加载配置失败: {error.message}</div>
+      </div>
+    );
+  }
+
+  return (
+    <div className="min-h-screen pb-12">
+      {/* 固定在顶部的操作栏 */}
+      <div className="sticky top-0 z-10 bg-zinc-950/80 backdrop-blur-xl border-b border-white/10 py-3 px-4 md:px-6 lg:px-8 shadow-2xl">
+        <div className="flex items-center justify-end gap-3 max-w-5xl mx-auto">
+          <Button
+            variant="outline"
+            onClick={handleResetAll}
+            disabled={!hasOverrides || resetMutation.isPending}
+            className="border-white/10 text-zinc-400 hover:text-zinc-100 hover:bg-white/5 transition-colors"
+          >
+            <RotateCcw className="w-4 h-4 mr-2" />
+            全部重置
+          </Button>
+          <Button
+            onClick={handleSave}
+            disabled={!hasChanges || saveMutation.isPending}
+            className="min-w-[130px] bg-primary text-zinc-950 font-bold hover:bg-primary/90 tech-glow transition-all"
+          >
+            {saveMutation.isPending ? (
+              <span className="flex items-center gap-2">
+                <span className="size-4 animate-spin rounded-full border-2 border-zinc-950 border-t-transparent" /> 保存中...
+              </span>
+            ) : (
+              <>
+                <Save className="w-4 h-4 mr-2" />
+                保存配置
+              </>
+            )}
+          </Button>
+        </div>
+      </div>
+
+      <div className="max-w-5xl mx-auto space-y-8 mt-6 px-4 md:px-6 lg:px-8">
+        {data?.groups.map((group) => (
+          <ConfigGroupCard
+            key={group.key}
+            group={group}
+            localConfig={localConfig}
+            onFieldChange={handleFieldChange}
+            onReset={handleResetGroup}
+            isResetting={resetMutation.isPending}
+          />
+        ))}
+      </div>
+    </div>
+  );
+}
diff --git a/frontend/src/components/ui/select.tsx b/frontend/src/components/ui/select.tsx
new file mode 100644
index 0000000..ec23c07
--- /dev/null
+++ b/frontend/src/components/ui/select.tsx
@@ -0,0 +1,173 @@
+import * as React from "react"
+import * as SelectPrimitive from "@radix-ui/react-select"
+import { Check, ChevronDown, ChevronUp } from "lucide-react"
+
+import { cn } from "@/lib/utils"
+
+function Select({ ...props }: React.ComponentProps<typeof SelectPrimitive.Root>) {
+  return <SelectPrimitive.Root data-slot="select" {...props} />
+}
+
+function SelectGroup({ ...props }: React.ComponentProps<typeof SelectPrimitive.Group>) {
+  return <SelectPrimitive.Group data-slot="select-group" {...props} />
+}
+
+function SelectValue({ ...props }: React.ComponentProps<typeof SelectPrimitive.Value>) {
+  return <SelectPrimitive.Value data-slot="select-value" {...props} />
+}
+
+function SelectTrigger({
+  className,
+  children,
+  ...props
+}: React.ComponentProps<typeof SelectPrimitive.Trigger>) {
+  return (
+    <SelectPrimitive.Trigger
+      data-slot="select-trigger"
+      className={cn(
+        "border-input placeholder:text-muted-foreground focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] dark:bg-input/30 aria-invalid:border-destructive aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 flex h-9 w-full items-center justify-between rounded-md border bg-transparent px-3 py-2 text-sm shadow-xs transition-[color,box-shadow] outline-none disabled:cursor-not-allowed disabled:opacity-50 [&>span]:line-clamp-1",
+        className
+      )}
+      {...props}
+    >
+      {children}
+      <SelectPrimitive.Icon asChild>
+        <ChevronDown className="h-4 w-4 opacity-50" />
+      </SelectPrimitive.Icon>
+    </SelectPrimitive.Trigger>
+  )
+}
+
+function SelectScrollUpButton({
+  className,
+  ...props
+}: React.ComponentProps<typeof SelectPrimitive.ScrollUpButton>) {
+  return (
+    <SelectPrimitive.ScrollUpButton
+      data-slot="select-scroll-up-button"
+      className={cn(
+        "flex cursor-default items-center justify-center py-1",
+        className
+      )}
+      {...props}
+    >
+      <ChevronUp className="h-4 w-4" />
+    </SelectPrimitive.ScrollUpButton>
+  )
+}
+
+function SelectScrollDownButton({
+  className,
+  ...props
+}: React.ComponentProps<typeof SelectPrimitive.ScrollDownButton>) {
+  return (
+    <SelectPrimitive.ScrollDownButton
+      data-slot="select-scroll-down-button"
+      className={cn(
+        "flex cursor-default items-center justify-center py-1",
+        className
+      )}
+      {...props}
+    >
+      <ChevronDown className="h-4 w-4" />
+    </SelectPrimitive.ScrollDownButton>
+  )
+}
+
+function SelectContent({
+  className,
+  children,
+  position = "popper",
+  ...props
+}: React.ComponentProps<typeof SelectPrimitive.Content>) {
+  return (
+    <SelectPrimitive.Portal>
+      <SelectPrimitive.Content
+        data-slot="select-content"
+        className={cn(
+          "bg-popover text-popover-foreground relative z-50 max-h-96 min-w-[8rem] overflow-hidden rounded-md border shadow-md data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+          position === "popper" &&
+            "data-[side=bottom]:translate-y-1 data-[side=left]:-translate-x-1 data-[side=right]:translate-x-1 data-[side=top]:-translate-y-1",
+          className
+        )}
+        position={position}
+        {...props}
+      >
+        <SelectScrollUpButton />
+        <SelectPrimitive.Viewport
+          className={cn(
+            "p-1",
+            position === "popper" &&
+              "h-[var(--radix-select-trigger-height)] w-full min-w-[var(--radix-select-trigger-width)]"
+          )}
+        >
+          {children}
+        </SelectPrimitive.Viewport>
+        <SelectScrollDownButton />
+      </SelectPrimitive.Content>
+    </SelectPrimitive.Portal>
+  )
+}
+
+function SelectLabel({
+  className,
+  ...props
+}: React.ComponentProps<typeof SelectPrimitive.Label>) {
+  return (
+    <SelectPrimitive.Label
+      data-slot="select-label"
+      className={cn("px-2 py-1.5 text-sm font-semibold", className)}
+      {...props}
+    />
+  )
+}
+
+function SelectItem({
+  className,
+  children,
+  ...props
+}: React.ComponentProps<typeof SelectPrimitive.Item>) {
+  return (
+    <SelectPrimitive.Item
+      data-slot="select-item"
+      className={cn(
+        "focus:bg-accent focus:text-accent-foreground relative flex w-full cursor-default items-center rounded-sm py-1.5 pl-2 pr-8 text-sm outline-none select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50",
+        className
+      )}
+      {...props}
+    >
+      <span className="absolute right-2 flex h-3.5 w-3.5 items-center justify-center">
+        <SelectPrimitive.ItemIndicator>
+          <Check className="h-4 w-4" />
+        </SelectPrimitive.ItemIndicator>
+      </span>
+      <SelectPrimitive.ItemText>{children}</SelectPrimitive.ItemText>
+    </SelectPrimitive.Item>
+  )
+}
+
+function SelectSeparator({
+  className,
+  ...props
+}: React.ComponentProps<typeof SelectPrimitive.Separator>) {
+  return (
+    <SelectPrimitive.Separator
+      data-slot="select-separator"
+      className={cn("bg-muted -mx-1 my-1 h-px", className)}
+      {...props}
+    />
+  )
+}
+
+export {
+  Select,
+  SelectGroup,
+  SelectValue,
+  SelectTrigger,
+  SelectContent,
+  SelectLabel,
+  SelectItem,
+  SelectSeparator,
+  SelectScrollUpButton,
+  SelectScrollDownButton,
+}
diff --git a/frontend/src/components/ui/separator.tsx b/frontend/src/components/ui/separator.tsx
new file mode 100644
index 0000000..d4f181b
--- /dev/null
+++ b/frontend/src/components/ui/separator.tsx
@@ -0,0 +1,27 @@
+import * as React from "react"
+import * as SeparatorPrimitive from "@radix-ui/react-separator"
+
+import { cn } from "@/lib/utils"
+
+function Separator({
+  className,
+  orientation = "horizontal",
+  decorative = true,
+  ...props
+}: React.ComponentProps<typeof SeparatorPrimitive.Root>) {
+  return (
+    <SeparatorPrimitive.Root
+      data-slot="separator"
+      decorative={decorative}
+      orientation={orientation}
+      className={cn(
+        "shrink-0 bg-border",
+        orientation === "horizontal" ? "h-[1px] w-full" : "h-full w-[1px]",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+export { Separator }
diff --git a/frontend/src/components/ui/switch.tsx b/frontend/src/components/ui/switch.tsx
new file mode 100644
index 0000000..b5c0b36
--- /dev/null
+++ b/frontend/src/components/ui/switch.tsx
@@ -0,0 +1,29 @@
+import * as React from "react"
+import * as SwitchPrimitive from "@radix-ui/react-switch"
+
+import { cn } from "@/lib/utils"
+
+function Switch({
+  className,
+  ...props
+}: React.ComponentProps<typeof SwitchPrimitive.Root>) {
+  return (
+    <SwitchPrimitive.Root
+      data-slot="switch"
+      className={cn(
+        "peer inline-flex h-5 w-9 shrink-0 cursor-pointer items-center rounded-full border-2 border-transparent shadow-xs transition-all outline-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50 data-[state=checked]:bg-primary data-[state=unchecked]:bg-input",
+        className
+      )}
+      {...props}
+    >
+      <SwitchPrimitive.Thumb
+        data-slot="switch-thumb"
+        className={cn(
+          "pointer-events-none block h-4 w-4 rounded-full bg-background shadow-lg ring-0 transition-transform data-[state=checked]:translate-x-4 data-[state=unchecked]:translate-x-0"
+        )}
+      />
+    </SwitchPrimitive.Root>
+  )
+}
+
+export { Switch }
diff --git a/frontend/src/components/ui/tabs.tsx b/frontend/src/components/ui/tabs.tsx
new file mode 100644
index 0000000..fddf7ce
--- /dev/null
+++ b/frontend/src/components/ui/tabs.tsx
@@ -0,0 +1,58 @@
+import * as React from "react"
+import * as TabsPrimitive from "@radix-ui/react-tabs"
+
+import { cn } from "@/lib/utils"
+
+function Tabs({ ...props }: React.ComponentProps<typeof TabsPrimitive.Root>) {
+  return <TabsPrimitive.Root data-slot="tabs" {...props} />
+}
+
+function TabsList({
+  className,
+  ...props
+}: React.ComponentProps<typeof TabsPrimitive.List>) {
+  return (
+    <TabsPrimitive.List
+      data-slot="tabs-list"
+      className={cn(
+        "inline-flex h-9 items-center justify-center rounded-lg bg-muted p-1 text-muted-foreground",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function TabsTrigger({
+  className,
+  ...props
+}: React.ComponentProps<typeof TabsPrimitive.Trigger>) {
+  return (
+    <TabsPrimitive.Trigger
+      data-slot="tabs-trigger"
+      className={cn(
+        "inline-flex items-center justify-center whitespace-nowrap rounded-md px-3 py-1 text-sm font-medium ring-offset-background transition-all focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50 data-[state=active]:bg-background data-[state=active]:text-foreground data-[state=active]:shadow-sm",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function TabsContent({
+  className,
+  ...props
+}: React.ComponentProps<typeof TabsPrimitive.Content>) {
+  return (
+    <TabsPrimitive.Content
+      data-slot="tabs-content"
+      className={cn(
+        "mt-2 ring-offset-background focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+export { Tabs, TabsList, TabsTrigger, TabsContent }
diff --git a/frontend/src/components/ui/textarea.tsx b/frontend/src/components/ui/textarea.tsx
new file mode 100644
index 0000000..b3639ac
--- /dev/null
+++ b/frontend/src/components/ui/textarea.tsx
@@ -0,0 +1,20 @@
+import * as React from "react"
+
+import { cn } from "@/lib/utils"
+
+function Textarea({ className, ...props }: React.ComponentProps<"textarea">) {
+  return (
+    <textarea
+      data-slot="textarea"
+      className={cn(
+        "placeholder:text-muted-foreground selection:bg-primary selection:text-primary-foreground dark:bg-input/30 border-input flex min-h-[80px] w-full rounded-md border bg-transparent px-3 py-2 text-base shadow-xs transition-[color,box-shadow] outline-none disabled:pointer-events-none disabled:cursor-not-allowed disabled:opacity-50 md:text-sm",
+        "focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px]",
+        "aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+export { Textarea }
diff --git a/frontend/src/services/configService.ts b/frontend/src/services/configService.ts
new file mode 100644
index 0000000..0324a23
--- /dev/null
+++ b/frontend/src/services/configService.ts
@@ -0,0 +1,46 @@
+import api from '@/lib/api';
+
+export type ConfigSource = 'default' | 'env' | 'override';
+export type ConfigFieldType = 'string' | 'number' | 'boolean' | 'url' | 'text' | 'enum';
+
+export interface ConfigFieldDto {
+  envKey: string;
+  label: string;
+  description: string;
+  type: ConfigFieldType;
+  sensitive: boolean;
+  readonly?: boolean;
+  readonlyWarning?: string;
+  enumValues?: string[];
+  min?: number;
+  max?: number;
+  defaultValue?: string | number | boolean;
+  value: string | number | boolean | undefined;
+  hasValue: boolean;
+  source: ConfigSource;
+}
+
+export interface ConfigGroupDto {
+  key: string;
+  label: string;
+  description: string;
+  icon: string;
+  fields: ConfigFieldDto[];
+}
+
+export interface ConfigResponse {
+  groups: ConfigGroupDto[];
+}
+
+export const fetchConfig = async (): Promise<ConfigResponse> => {
+  const response = await api.get<ConfigResponse>('/config');
+  return response.data;
+};
+
+export const updateConfig = async (configData: Record<string, string>): Promise<void> => {
+  await api.put('/config', configData);
+};
+
+export const resetConfig = async (keys: string[]): Promise<void> => {
+  await api.post('/config/reset', { keys });
+};