feat(grid): ajout algorithme score produit avec parametrage dynamique et page d'aide

src/features/ai-copilot/store/use-ai-copilot-store.ts

@@ -0,0 +1,60 @@
+"use client";
+
+import { create } from "zustand";
+
+interface AiInsight {
+    codein: string;
+    insight: string;
+    status: "idle" | "loading" | "done" | "error";
+}
+
+interface AiCopilotState {
+    insights: Record<string, AiInsight>;
+    analyzeProduct: (payload: {
+        codein: string;
+        libelle1: string;
+        totalCa: number;
+        tauxMarge: number;
+        totalQuantite: number;
+        sales12m: Record<string, number>;
+        codeGamme: string | null;
+    }) => Promise<void>;
+}
+
+export const useAiCopilotStore = create<AiCopilotState>((set) => ({
+    insights: {},
+
+    analyzeProduct: async (payload) => {
+        const { codein } = payload;
+
+        // Mark as loading
+        set((s) => ({
+            insights: { ...s.insights, [codein]: { codein, insight: "", status: "loading" } },
+        }));
+
+        try {
+            const res = await fetch("/api/ai/analyze", {
+                method: "POST",
+                headers: { "Content-Type": "application/json" },
+                body: JSON.stringify(payload),
+            });
+
+            if (!res.ok) throw new Error(`HTTP ${res.status}`);
+            const data = await res.json();
+
+            set((s) => ({
+                insights: {
+                    ...s.insights,
+                    [codein]: { codein, insight: data.insight, status: "done" },
+                },
+            }));
+        } catch {
+            set((s) => ({
+                insights: {
+                    ...s.insights,
+                    [codein]: { codein, insight: "Erreur lors de l'analyse.", status: "error" },
+                },
+            }));
+        }
+    },
+}));