feat: redesign counting flow, fix stats and history errors, continuous scanner, houka signature, counting mode toggles, fix hesabfa stock extraction and product_id int limit

testHesabfa.js

@@ -0,0 +1,34 @@
+const axios = require('axios');
+
+async function test() {
+  const HESABFA_API_KEY = 'NCuDX3bksHlhXWGIqTvatvme3YTplxdF';
+  const HESABFA_TOKEN = '4ddb2fc517f6f6fe6d4b9bdd08fa0df31a564a62e12c4353eb9533ae63447b57ca87c479beb7f02b276929c861dad779';
+
+  try {
+    const res = await axios.post('https://api.hesabfa.com/v1/item/getitems', {
+      apiKey: HESABFA_API_KEY,
+      loginToken: HESABFA_TOKEN,
+      queryInfo: { Take: 5, Skip: 0 },
+      type: 0
+    });
+    console.log("getitems List:");
+    console.log(JSON.stringify(res.data.Result.List, null, 2));
+
+    if (res.data.Result.List.length > 0) {
+        const code = res.data.Result.List[0].Code;
+        console.log("Checking quantity for:", code);
+        const qRes = await axios.post('https://api.hesabfa.com/v1/item/GetQuantity2', {
+            apiKey: HESABFA_API_KEY,
+            loginToken: HESABFA_TOKEN,
+            codes: [code]
+        });
+        console.log("GetQuantity2:");
+        console.log(JSON.stringify(qRes.data, null, 2));
+    }
+    process.exit(0);
+  } catch(e) {
+      console.error(e.response ? e.response.data : e.message);
+  }
+}
+
+test();