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Borrowings and Derivative Liabilities - Schedule of Borrowings and Derivative Liabilities (Details) - USD ($) $ in Thousands | Sep. 28, 2025 | Dec. 29, 2024 | Dec. 31, 2023
--- | --- | --- | ---
Schedule of Borrowings and Derivative Liabilities [Line Items] |  |  |
Total Notes payable | $ 204,277 | $ 147,331 | $ 28,657
Notes payable and derivative liabilities | 148,205 | 92,638 |
Total Notes payable | 204,277 | 147,331 |
Less current portion | (21,500) | (1,500) | (61,937)
Notes payable and convertible notes, net of current portion | 182,777 | 145,831 |
July 2024 Notes [Member] |  |  |
Schedule of Borrowings and Derivative Liabilities [Line Items] |  |  |
Total Notes payable | 36,998 | 17,965 |
July 2024 Notes derivative liability [Member] |  |  |
Schedule of Borrowings and Derivative Liabilities [Line Items] |  |  |
Total Notes payable | 21,664 | 13,563 |
July 2024 Notes – related parties [Member] |  |  |
Schedule of Borrowings and Derivative Liabilities [Line Items] |  |  |
Total Notes payable | 8,155 | 24,632 |
July 2024 derivative liability – related parties [Member] |  |  |
Schedule of Borrowings and Derivative Liabilities [Line Items] |  |  |
Total Notes payable | 13,940 | 21,127 |
July 2025 Note – related party [Member] |  |  |
Schedule of Borrowings and Derivative Liabilities [Line Items] |  |  |
Total Notes payable | 1,373 |  |
July 2025 Note – derivative liability – related party [Member] |  |  |
Schedule of Borrowings and Derivative Liabilities [Line Items] |  |  |
Total Notes payable | 3,468 |  |
September 2024 Notes [Member] |  |  |
Schedule of Borrowings and Derivative Liabilities [Line Items] |  |  |
Total Notes payable | 15,750 | 5,636 |
September 2024 Notes derivative liability [Member] |  |  |
Schedule of Borrowings and Derivative Liabilities [Line Items] |  |  |
Total Notes payable | 53,301 | 55,474 |
September 2024 Notes – related party [Member] |  |  |
Schedule of Borrowings and Derivative Liabilities [Line Items] |  |  |
Total Notes payable | 1,714 | 476 |
September 2024 Notes – derivative liability – related party [Member] |  |  |
Schedule of Borrowings and Derivative Liabilities [Line Items] |  |  |
Total Notes payable | 5,922 | 6,958 |
September 2025 Notes [Member] |  |  |
Schedule of Borrowings and Derivative Liabilities [Line Items] |  |  |
Total Notes payable | 4,218 |  |
September 2025 Notes Derivative Liability [Member] |  |  |
Schedule of Borrowings and Derivative Liabilities [Line Items] |  |  |
Total Notes payable | 16,274 |  |
Note payable to Seller – related party [Member] |  |  |
Schedule of Borrowings and Derivative Liabilities [Line Items] |  |  |
Total Notes payable | 20,000 |  |
Loan with related party [Member] |  |  |
Schedule of Borrowings and Derivative Liabilities [Line Items] |  |  |
Total Notes payable | 1,500 | 1,500 |
Notes Payable [Member] |  |  |
Schedule of Borrowings and Derivative Liabilities [Line Items] |  |  |
Total Notes payable | 21,500 | 1,500 |
Notes payable and derivative liabilities | 148,205 | 92,638 |
Notes payable and derivative liabilities with related parties, net of current portion | $ 34,572 | $ 53,193 |

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