[问题] 自动填充

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### How are you using the lua-language-server?

Visual Studio Code Extension (sumneko.lua)

### Which OS are you using?

Windows

### What is the issue affecting?

Other

### Expected Behaviour

如何 自动填充一个表 例如

`
template = {
a = 1
b = 1
c = 1
}
---@param a template
fun test(a)
xxxx
end

test{
a = ,
b = ,
c = ,
}
`
填充成这样 我只要写text{ }
里面的 a= xxx,b = xxx,c = xxx
可以实现类似的方法吗

### Actual Behaviour

无

### Reproduction steps

1. Go to '...'
2. Click '...'
3. See error '...'

### Additional Notes

_No response_

### Log File

_No response_

Start by reproducing the requested table-field completion in the Visual Studio Code extension on Windows using the Lua language server. Review how the server handles completion for table constructors and annotated parameters; done means the requested fields are suggested after typing the constructor, with behavior confirmed by a focused test or reproduction.

Written by the indexing model from the issue text.