fix(ai): persist openrouter settings on server and fix 503 error

src/app/(dashboard)/settings/page.tsx

@@ -73,6 +73,7 @@ export default function SettingsPage() {
 
     useEffect(() => {
         setIsMounted(true);
+        reloadFromServer();
     }, []);
 
     const fetchModels = useCallback(async (key: string) => {
@@ -95,18 +96,27 @@ export default function SettingsPage() {
 
     const reloadFromServer = async () => {
         const config = await getSavedDatabaseConfig();
-        if (config && config.url) {
-            // Parser l'URL pour remettre dans le store
-            try {
-                const url = new URL(config.url.replace("postgres://", "http://")); // URL parser helper
-                setHost(url.hostname);
-                setPort(url.port || "5432");
-                setDatabase(url.pathname.slice(1).split("?")[0]);
-                setUser(url.username);
-                setPassword(decodeURIComponent(url.password));
-                setSsl(config.url.includes("sslmode=require"));
-            } catch (e) {
-                console.error("Failed to parse saved URL", e);
+        if (config) {
+            if (config.url) {
+                // Parser l'URL pour remettre dans le store
+                try {
+                    const url = new URL(config.url.replace("postgres://", "http://")); // URL parser helper
+                    setHost(url.hostname);
+                    setPort(url.port || "5432");
+                    setDatabase(url.pathname.slice(1).split("?")[0]);
+                    setUser(url.username);
+                    setPassword(decodeURIComponent(url.password));
+                    setSsl(config.url.includes("sslmode=require"));
+                } catch (e) {
+                    console.error("Failed to parse saved URL", e);
+                }
+            }
+            if (config.openRouterKey) {
+                setApiKey(config.openRouterKey);
+                fetchModels(config.openRouterKey);
+            }
+            if (config.openRouterModel) {
+                setSelectedModel(config.openRouterModel);
             }
         }
     };
@@ -127,7 +137,7 @@ export default function SettingsPage() {
     const handleSave = async () => {
         setSaveStatus("saving");
         const url = getDatabaseUrl();
-        const res = await saveDatabaseSettings(url);
+        const res = await saveDatabaseSettings(url, apiKey, selectedModel);
         if (res.success) {
             setSaveStatus("saved");
             setTimeout(() => setSaveStatus("idle"), 2500);

src/app/api/ai/analyze/route.ts

@@ -1,5 +1,6 @@
 import { NextRequest, NextResponse } from "next/server";
 import { z } from "zod";
+import { getSavedDatabaseConfig } from "@/features/settings/actions";
 
 const AnalyzeSchema = z.object({
     codein: z.string(),
@@ -18,9 +19,12 @@ Ta réponse doit être en 1-2 phrases maximum, en français, directe et actionna
 Format: "[Recommandation]: [Justification courte basée sur les données]"`;
 
 export async function POST(req: NextRequest) {
-    const apiKey = process.env.OPENROUTER_API_KEY;
+    const config = await getSavedDatabaseConfig();
+    const apiKey = process.env.OPENROUTER_API_KEY || config?.openRouterKey;
+    const model = config?.openRouterModel || "google/gemini-flash-1.5";
+
     if (!apiKey) {
-        return NextResponse.json({ error: "OPENROUTER_API_KEY not configured" }, { status: 503 });
+        return NextResponse.json({ error: "OPENROUTER_API_KEY not configured. Please set it in Settings." }, { status: 503 });
     }
 
     const body = await req.json();
@@ -53,7 +57,7 @@ Quelle gamme recommandes-tu et pourquoi ?`;
                 "X-Title": "CollectFlow AI Copilot",
             },
             body: JSON.stringify({
-                model: "google/gemini-flash-1.5",
+                model,
                 messages: [
                     { role: "system", content: SYSTEM_PROMPT },
                     { role: "user", content: userMessage },

src/features/settings/actions.ts

@@ -9,6 +9,8 @@ const CONFIG_FILE = path.join(DATA_DIR, ".db-config.json");
 
 export interface DbConfig {
     url: string;
+    openRouterKey?: string;
+    openRouterModel?: string;
 }
 
 export async function testDatabaseConnection(url: string) {
@@ -32,9 +34,9 @@ export async function testDatabaseConnection(url: string) {
     }
 }
 
-export async function saveDatabaseSettings(url: string) {
+export async function saveDatabaseSettings(url: string, openRouterKey?: string, openRouterModel?: string) {
     try {
-        const config: DbConfig = { url };
+        const config: DbConfig = { url, openRouterKey, openRouterModel };
 
         // S'assurer que le dossier data existe
         await fs.mkdir(DATA_DIR, { recursive: true });