feat: implement AI copilot scoring engine for product analysis and recommendations, including a verification script for recent product logic.

src/features/ai-copilot/business/scoring-engine.ts

@@ -90,7 +90,7 @@ export class ScoringEngine {
         let recommendation: "A" | "Z" = compositeScore >= threshold ? "A" : "Z";
 
         // 7. Gardes-fous et Labels
-        const isRecent = (target.regularityScore || 0) < 3;
+        const isRecent = (target.regularityScore || 0) < 3 && (target.inactivityMonths || 0) <= 1;
         const isTop30Supplier = this.checkTop30Supplier(target, processedProducts, compositeScore);
         const isLastProduct = target.isLastProductOfSupplier || false;
 

src/features/grid/components/bulk-ai-analyzer.tsx

@@ -1,6 +1,6 @@
 "use client";
 
-import React, { useState, useRef } from "react";
+import React, { useState, useRef, useEffect } from "react";
 import { useGridStore } from "@/features/grid/store/use-grid-store";
 import { useAiCopilotStore } from "@/features/ai-copilot/store/use-ai-copilot-store";
 import { ScoringEngine } from "@/features/ai-copilot/business/scoring-engine";
@@ -23,6 +23,16 @@ export function BulkAiAnalyzer() {
     const setDraftGamme = useGridStore((s) => s.setDraftGamme);
     const { setInsight, batchSetLoading, setError } = useAiCopilotStore();
 
+    const prevSupplierRef = useRef(supplierCode);
+    useEffect(() => {
+        if (supplierCode !== prevSupplierRef.current) {
+            if (!isAnalyzing) {
+                setProgress({ current: 0, total: 0, message: "", errors: 0 });
+            }
+            prevSupplierRef.current = supplierCode;
+        }
+    }, [supplierCode, isAnalyzing]);
+
     const handleStop = () => {
         isCancelledRef.current = true;
         setProgress((prev) => ({ ...prev, message: "Arrêt en cours..." }));