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

src/app/api/openrouter/models/route.ts

@@ -0,0 +1,44 @@
+import { NextRequest, NextResponse } from "next/server";
+
+export async function GET(req: NextRequest) {
+    const apiKey = req.headers.get("x-openrouter-key") || process.env.OPENROUTER_API_KEY;
+
+    if (!apiKey) {
+        return NextResponse.json({ error: "No API key provided" }, { status: 401 });
+    }
+
+    try {
+        const res = await fetch("https://openrouter.ai/api/v1/models", {
+            headers: {
+                Authorization: `Bearer ${apiKey}`,
+                "Content-Type": "application/json",
+            },
+            next: { revalidate: 3600 }, // Cache 1h
+        });
+
+        if (!res.ok) {
+            return NextResponse.json({ error: "OpenRouter error", status: res.status }, { status: res.status });
+        }
+
+        const data = await res.json();
+
+        // Return simplified list sorted by name
+        const models = (data.data as Array<{ id: string; name: string; pricing?: { prompt: string } }>)
+            .map((m) => ({
+                id: m.id,
+                name: m.name,
+                free: parseFloat(m.pricing?.prompt ?? "1") === 0,
+            }))
+            .sort((a, b) => {
+                // Free models first, then alphabetical
+                if (a.free && !b.free) return -1;
+                if (!a.free && b.free) return 1;
+                return a.name.localeCompare(b.name, "fr");
+            });
+
+        return NextResponse.json({ models });
+    } catch (err) {
+        const msg = err instanceof Error ? err.message : "Unknown error";
+        return NextResponse.json({ error: msg }, { status: 500 });
+    }
+}