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/sp-api.test.ts

@@ -20,6 +20,15 @@ test("parseCatalogUpcLookupResponse marks no match", () => {
   expect(detail.asin).toBeNull();
 });
 
+test("parseCatalogUpcLookupResponse ignores invalid ASIN identifiers", () => {
+  const detail = parseCatalogUpcLookupResponse("012345678901", {
+    items: [{ asin: "012345678901" }],
+  });
+
+  expect(detail.status).toBe("not_found");
+  expect(detail.asin).toBeNull();
+});
+
 test("parseCatalogUpcLookupResponse marks multiple ASINs", () => {
   const detail = parseCatalogUpcLookupResponse("012345678901", {
     payload: {