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/integrations/searxng.test.ts

@@ -13,6 +13,7 @@ afterAll(() => {
 
 test("normalizeAsin uppercases and validates ASINs", () => {
   expect(normalizeAsin(" b07sn9bhvv ")).toBe("B07SN9BHVV");
+  expect(normalizeAsin("0306406152")).toBe("0306406152");
   expect(() => normalizeAsin("not-an-asin")).toThrow("Invalid ASIN");
 });