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**Describe the bug** If you bind a `<TextField>` on a variable that is `undefined`, the text field doesn’t display ([because `valued` is `false`](https://github.com/hperrin/svelte-material-ui/blob/41d78c32560b9baeba6fda53c209733bf15dff7a/packages/textfield/src/Textfield.svelte#L3)) and later update the variable to a non-`undefined` value, the text field doesn’t show. The problem seems to be that `valued` is set once and is not reload in an `$effect` when the `value` changes: https://github.com/hperrin/svelte-material-ui/blob/41d78c32560b9baeba6fda53c209733bf15dff7a/packages/textfield/src/Textfield.svelte#L498-L501 **To Reproduce** Steps to reproduce the behavior: 1. Bind a TextField to a variable set to `undefined` 2. Later update the variable to `"hello"` 3. Nothing happens **Expected behavior** The text field should display. **Screenshots** Not applicable: there is nothing to see since the TextField doesn’t display. **Desktop (please complete the following information):** - OS: Ubuntu - Browser: Chrome - Version: 145.0.7632.67