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Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands | Sep. 28, 2025 | Dec. 29, 2024 | Dec. 31, 2023
--- | --- | --- | ---
Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) [Line Items] |  |  |
Inventory deposits |  | $ 3,407 | $ 616
Deferred costs |  | 3,759 |
Prepaid sales commissions |  |  | 4,185
Other | $ 93 | 4,447 |
Total prepaid expenses and other current assets | $ 20,830 | 8,206 | 5,817
Previously Reported [Member] |  |  |
Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) [Line Items] |  |  |
Other |  | $ 1,040 | $ 1,016

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