feat(amazon-shopping): parse filters and extract search candidates

skills/amazon-shopping/src/cli.ts

@@ -3,6 +3,7 @@
 import minimist from "minimist";
 import { fileURLToPath } from "node:url";
 
+import { parseNaturalLanguageRequest } from "./query-parser.js";
 import type { ProductFilters, SearchProductsRequest, SearchProductsResponse } from "./types.js";
 
 export interface CliDeps {
@@ -76,12 +77,13 @@ export function parseCliRequest(argv: string[]): SearchProductsRequest {
     alias: { h: "help" }
   });
 
-  const query = String(args.query ?? args._.join(" ")).trim();
-  if (!query) {
+  const rawQuery = String(args.query ?? args._.join(" ")).trim();
+  if (!rawQuery) {
     throw new Error("A product query is required");
   }
 
-  const limit = parsePositiveInteger(args.limit, "limit") ?? 15;
+  const natural = parseNaturalLanguageRequest(rawQuery);
+  const limit = parsePositiveInteger(args.limit, "limit") ?? natural.limit ?? 15;
   if (limit > 30 && !args["allow-large-limit"]) {
     throw new Error("Requested limits above 30 require --allow-large-limit or a batched run");
   }
@@ -91,10 +93,7 @@ export function parseCliRequest(argv: string[]): SearchProductsRequest {
     throw new Error("max-search-pages must be 5 or less");
   }
 
-  const filters: ProductFilters = {
-    includeKeywords: [],
-    excludeKeywords: []
-  };
+  const filters: ProductFilters = { ...natural.filters };
   const minRating = parseNumber(args["min-rating"], "min-rating");
   const minReviews = parsePositiveInteger(args["min-reviews"], "min-reviews");
   const maxPrice = parseNumber(args["max-price"], "max-price");
@@ -108,7 +107,7 @@ export function parseCliRequest(argv: string[]): SearchProductsRequest {
   const markdown = Boolean(args.markdown);
 
   return {
-    query,
+    query: natural.query || rawQuery,
     filters,
     limit,
     maxSearchPages,