fix(settings): store JSON as string in DB and parse on read\n\nCo-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

app/lib/settings.server.ts

@@ -13,7 +13,14 @@ class SettingsService extends EventEmitter {
   async init() {
     if (this.initialized) return;
     const rows = await prisma.appSetting.findMany();
-    rows.forEach(r => this.cache.set(r.key, r.value));
+    rows.forEach(r => {
+      try {
+        this.cache.set(r.key, JSON.parse(r.value));
+      } catch (e) {
+        // fall back to raw string if parse fails
+        this.cache.set(r.key, r.value);
+      }
+    });
     this.initialized = true;
   }
 
@@ -24,10 +31,11 @@ class SettingsService extends EventEmitter {
 
   async set(key: string, value: JSONValue, updatedBy?: string) {
     if (!this.initialized) await this.init();
+    const valueStr = typeof value === 'string' ? value : JSON.stringify(value);
     await prisma.appSetting.upsert({
       where: { key },
-      update: { value, updatedBy },
+      update: { value: valueStr, updatedBy },
-      create: { key, value, updatedBy },
+      create: { key, value: valueStr, updatedBy },
     });
     this.cache.set(key, value);
     this.emit('update', { key, value });