✨ feat(mcp): 支持一键补齐缺失启动参数

- 在 MCP 参数提示中按当前 command 生成缺失必填参数

- 支持一键追加 docker、npx、python 等常见启动参数

- 增加组件交互测试覆盖参数补齐行为

frontend/src/components/ai/AIMCPArgumentHints.test.tsx

@@ -0,0 +1,52 @@
+import React from 'react';
+import { act, create, type ReactTestRenderer } from 'react-test-renderer';
+import { describe, expect, it, vi } from 'vitest';
+
+import { buildOverlayWorkbenchTheme } from '../../utils/overlayWorkbenchTheme';
+import AIMCPArgumentHints from './AIMCPArgumentHints';
+
+const flattenRendererText = (node: any): string => {
+  if (node == null || typeof node === 'boolean') {
+    return '';
+  }
+  if (typeof node === 'string' || typeof node === 'number') {
+    return String(node);
+  }
+  if (Array.isArray(node)) {
+    return node.map((item) => flattenRendererText(item)).join('');
+  }
+  return flattenRendererText(node.children ?? node.props?.children);
+};
+
+describe('AIMCPArgumentHints', () => {
+  it('can append missing required args from command-specific hints', async () => {
+    const onArgsChange = vi.fn();
+    let renderer!: ReactTestRenderer;
+
+    await act(async () => {
+      renderer = create(
+        <AIMCPArgumentHints
+          command="docker"
+          args={['run', '--rm']}
+          onArgsChange={onArgsChange}
+          cardBorder="rgba(0,0,0,0.08)"
+          darkMode={false}
+          overlayTheme={buildOverlayWorkbenchTheme(false)}
+        />,
+      );
+    });
+
+    const buttons = renderer.root.findAll(
+      (node) => node.type === 'button' && flattenRendererText(node).includes('一键补齐缺失必填参数'),
+    );
+
+    expect(buttons.length).toBe(1);
+    expect(flattenRendererText(buttons[0])).toContain('-i / mcp/server-fetch:latest');
+
+    await act(async () => {
+      buttons[0].props.onClick();
+    });
+
+    expect(onArgsChange).toHaveBeenCalledWith(['run', '--rm', '-i', 'mcp/server-fetch:latest']);
+  });
+});

frontend/src/components/ai/AIMCPArgumentHints.tsx

@@ -2,19 +2,31 @@ import React from 'react';
 
 import type { OverlayWorkbenchTheme } from '../../utils/overlayWorkbenchTheme';
 import { buildMCPArgumentHintProfile } from '../../utils/mcpArgumentHints';
+import { splitShellLikeCommand } from '../../utils/mcpCommandDraft';
 import { buildMCPHintStyle, mcpLabelStyle } from './AIMCPHelpBlock';
 
 interface AIMCPArgumentHintsProps {
   command: string;
   args?: string[];
+  onArgsChange?: (args: string[]) => void;
   cardBorder: string;
   darkMode: boolean;
   overlayTheme: OverlayWorkbenchTheme;
 }
 
+const buildMissingRequiredArgs = (
+  profile: NonNullable<ReturnType<typeof buildMCPArgumentHintProfile>>,
+): string[] =>
+  profile.steps
+    .filter((step) => step.required && !step.satisfied)
+    .flatMap((step) => splitShellLikeCommand(step.example).tokens)
+    .map((item) => item.trim())
+    .filter(Boolean);
+
 const AIMCPArgumentHints: React.FC<AIMCPArgumentHintsProps> = ({
   command,
   args,
+  onArgsChange,
   cardBorder,
   darkMode,
   overlayTheme,
@@ -23,6 +35,8 @@ const AIMCPArgumentHints: React.FC<AIMCPArgumentHintsProps> = ({
   if (!profile) {
     return null;
   }
+  const missingRequiredArgs = buildMissingRequiredArgs(profile);
+  const canApplyMissingArgs = Boolean(onArgsChange && missingRequiredArgs.length > 0);
 
   return (
     <div
@@ -74,6 +88,25 @@ const AIMCPArgumentHints: React.FC<AIMCPArgumentHintsProps> = ({
           必填参数看起来已经齐了，测试失败时再对照 README 检查业务参数和环境变量。
         </div>
       )}
+      {canApplyMissingArgs ? (
+        <button
+          type="button"
+          onClick={() => onArgsChange?.([...(args || []), ...missingRequiredArgs])}
+          style={{
+            alignSelf: 'flex-start',
+            padding: '5px 11px',
+            borderRadius: 999,
+            border: `1px solid ${cardBorder}`,
+            background: darkMode ? 'rgba(245,158,11,0.14)' : 'rgba(245,158,11,0.10)',
+            color: '#b45309',
+            fontSize: 12,
+            fontWeight: 700,
+            cursor: 'pointer',
+          }}
+        >
+          一键补齐缺失必填参数：{missingRequiredArgs.join(' / ')}
+        </button>
+      ) : null}
     </div>
   );
 };

frontend/src/components/ai/AIMCPServerFormPanel.tsx

@@ -134,6 +134,7 @@ const AIMCPServerFormPanel: React.FC<AIMCPServerFormPanelProps> = ({
       <AIMCPArgumentHints
         command={server.command}
         args={server.args}
+        onArgsChange={(args) => onChange({ args })}
         cardBorder={cardBorder}
         darkMode={darkMode}
         overlayTheme={overlayTheme}