Refactor supplier analysis and product handling

- Updated `SupplierAnalysisResult` to include a `product` field and modified related tests.
- Refactored `addRowsSheet` to accommodate changes in the product structure.
- Enhanced UPC file analysis to utilize a new `toSupplierInputRecord` function for cleaner record creation.
- Introduced new types for supplier input records and product observations.
- Updated frontend components to handle new product details and analysis history.
- Improved database writing functions to streamline run completion and error handling.
- Added new API endpoints for product details and adjusted routing in the frontend.

src/supplier/supplier-export.ts

@@ -63,7 +63,8 @@ function addRowsSheet(
   const sheet = workbook.addWorksheet(name);
   const headers = rows[0] ? Object.keys(rows[0]) : Object.keys(rowForResult({
     upc: "",
-    record: { asin: "", name: "", unitCost: 0 },
+    record: { name: "", unitCost: 0 },
+    product: null,
     lookup: {
       requestedUpc: "",
       normalizedUpc: "",