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/types.ts

@@ -58,7 +58,8 @@ export interface KeepaUpcLookupDetail {
   status: KeepaUpcLookupStatus;
   asin: string | null;
   candidateAsins: string[];
-  keepaData: KeepaData | null;
+  keepaData: KeepaData | null;
+  provider?: "sp_api" | "keepa";
   reason?: string;
 }
 
@@ -114,13 +115,66 @@ export interface SupplierScore {
 export interface SupplierAnalysisResult {
   upc: string;
   rowNumber?: number;
-  record: ProductRecord;
+  record: SupplierInputRecord;
+  product: ProductRecord | null;
   lookup: UpcLookupDetail;
   keepa: KeepaData | null;
   spApi: SpApiData | null;
   score: SupplierScore;
   fetchedAt: string;
 }
+
+export interface SupplierInputRecord {
+  name: string;
+  unitCost: number;
+  brand?: string;
+  category?: string;
+}
+
+export interface Product {
+  asin: string;
+  name: string | null;
+  brand: string | null;
+  category: string | null;
+  firstSeenAt: string;
+  lastSeenAt: string;
+}
+
+export interface ProductObservation {
+  id: number;
+  productAsin: string;
+  runId: number;
+  source: string;
+  fetchedAt: string;
+}
+
+export interface Run {
+  id: number;
+  type:
+    | "lead_analysis"
+    | "category_analysis"
+    | "supplier_upc"
+    | "stalker"
+    | "stalker_analysis";
+  parentRunId?: number | null;
+  status: string;
+}
+
+export interface RunItem {
+  id: number;
+  runId: number;
+  productAsin: string | null;
+  sourceRow?: number | null;
+}
+
+export interface AnalysisRevision {
+  id: number;
+  runItemId: number;
+  decision: "FBA" | "FBM" | "BUY" | "WATCH" | "SKIP";
+  confidence: number | null;
+  reasoning: string | null;
+  analyzedAt: string;
+}
 
 export interface CategoryRunSummaryDb {
   categoryId: number;