Fix: Handle empty custom menu commands gracefully (Ctrl+Shift+M)

[Copilot]

Problem

When users pressed Ctrl+Shift+M without configuring custom menu commands (smart.menuCommands), the extension threw an error:

command 'extension.openMenu' not found.

This occurred because the extension.openMenu command was only registered when menuItems.length > 0, but the keybinding Ctrl+Shift+M was always active, creating a mismatch between the registered commands and keybindings.

Solution

1. Always Register the Command

Modified src/extension.ts to always register the extension.openMenu command, regardless of whether custom menu items are configured:

// Always register the command
let disposable = vscode.commands.registerCommand('extension.openMenu', () => {
    const items = getMenuItems();
    if (!items || items.length === 0) {
        // Directly open settings and show a temporary notification
        vscode.commands.executeCommand('workbench.action.openSettings', 'smart.menuCommands');
        vscode.window.setStatusBarMessage('$(info) 自定义菜单命令未配置，请添加自定义命令', 5000);
    } else {
        // Existing behavior: show QuickPick menu
        vscode.window.showQuickPick(items).then(selectedItem => {
            if (selectedItem) {
                executeCommand(selectedItem);
            }
        });
    }
});

When menu commands are not configured, the settings page opens immediately and a non-intrusive status bar notification appears for 5 seconds before automatically dismissing.

2. Enhanced Configuration Schema

Improved package.json configuration with user-friendly descriptions and examples in Chinese:

smart.menuCommands:

• Added clear description with keyboard shortcut reference
• Provided markdown examples showing common usage patterns (scons -c, scons --dist, etc.)
• Added scope and order properties for better organization

smart.parallelBuidNumber:

• Added detailed description explaining the purpose
• Provided examples for different core counts (1, 4, 8)
• Added minimum: 1 validation to prevent invalid values

Benefits

• ✅ No more errors: Users get helpful guidance instead of cryptic error messages
• ✅ Immediate access: Settings open directly without requiring button clicks
• ✅ Non-intrusive notification: Status bar message auto-dismisses after 5 seconds
• ✅ Better discoverability: Clear examples help users understand how to configure settings
• ✅ Input validation: Prevents invalid configuration values
• ✅ 100% backward compatible: No breaking changes, existing configurations continue to work

Testing

• ✅ TypeScript compilation successful
• ✅ ESLint passed with no errors
• ✅ CodeQL security scan: 0 alerts
• ✅ Verified both empty and configured menu scenarios
• ✅ Status bar icon behavior preserved (only shows when menu items exist)

Fixes #31

Original prompt

---

This section details on the original issue you should resolve

<issue_title>feature: 当自定义菜单不存在时，使用Ctrl+Shift+M，会报错</issue_title>
<issue_description>当自定义菜单不存在时，使用Ctrl+Shift+M，会报错，显示：

• command 'extension.openMenu' not found.

期望如果自定义菜单不存在时，进入这部分的设置界面，可以由用户来添加自定义项。同时，希望插件的设置可以做得更人性化些，而不仅仅是当前的比较原始的模式：

        "configuration": {
            "type": "object",
            "title": "Custom Commands(menu)",
            "properties": {
                "smart.menuCommands": {
                    "type": "array",
                    "items": {
                        "type": "string"
                    },
                    "default": []
                },
                "smart.parallelBuidNumber": {
                    "type": "number",
                    "default": 1
                }
            }
        },
        "keybindings": [
            {
                "command": "extension.buildProject",
                "key": "ctrl+shift+b"
            },
            {
                "command": "extension.openMenu",
                "key": "ctrl+shift+m"
            }
        ]

</issue_description>

<agent_instructions>根据issue的情况修正代码，并增强插件设置提示。完善代码后，确保构建没问题。</agent_instructions>

Comments on the Issue (you are @copilot in this section)

• Fixes feature: 当自定义菜单不存在时，使用Ctrl+Shift+M，会报错 #31

---

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[BernardXiong]

@copilot 可以直接打开，而不是还需要点击打开设置才打开。可以是直接打开，然后简单给一份提示，然后这份提示过一段时间后自动消失。

[Copilot]

已修改。现在按 Ctrl+Shift+M 时，设置页面会直接打开，同时在状态栏显示一条提示消息（5秒后自动消失）。

更改内容：

• 移除了需要点击的信息对话框和按钮
• 直接调用 vscode.commands.executeCommand('workbench.action.openSettings', 'smart.menuCommands')
• 使用 vscode.window.setStatusBarMessage() 显示临时提示（5秒后自动消失）

提交: d103bd6