fix(amazon-shopping): enforce rating filters in chat output

skills/amazon-shopping/tests/query-parser.test.ts

@@ -35,6 +35,22 @@ describe("parseNaturalLanguageRequest", () => {
     assert.equal(parsed.filters.minRating, 4);
   });
 
+  it("extracts rating filters without requiring the word of", () => {
+    const parsed = parseNaturalLanguageRequest(
+      "sofa bed, 77 inches or wider, over 50 reviews, rating 4.0 or better, Prime delivery only, sort by price low to high"
+    );
+
+    assert.equal(parsed.query, "sofa bed");
+    assert.equal(parsed.filters.minWidthInches, 77);
+    assert.equal(parsed.filters.widthComparison, "gte");
+    assert.equal(parsed.filters.minReviews, 50);
+    assert.equal(parsed.filters.reviewCountComparison, "gt");
+    assert.equal(parsed.filters.minRating, 4);
+    assert.equal(parsed.filters.ratingComparison, "gte");
+    assert.equal(parsed.filters.requirePrime, true);
+    assert.equal(parsed.filters.sortBy, "price");
+  });
+
   it("extracts limit and max product price phrases", () => {
     const parsed = parseNaturalLanguageRequest("return 5 wireless mouse under $30");