fix: onboarding source selection

apps/desktop/src/renderer/onboarding/App.tsx

@@ -236,7 +236,10 @@ export function App() {
   // Handle discovery source selection (telemetry tracked in backend)
   const handleDiscoverySource = (source: DiscoverySource, details?: string) => {
     setDiscoveryDetails(details || "");
-    handleSaveAndContinue({ discoverySource: source });
+    handleSaveAndContinue({
+      discoverySource: source,
+      discoveryDetails: details,
+    });
   };
 
   // Handle model selection (telemetry tracked in backend)

apps/desktop/src/services/onboarding-service.ts

@@ -214,6 +214,7 @@ export class OnboardingService extends EventEmitter {
         updates.discoverySource = preferences.discoverySource;
         this.telemetryService.trackOnboardingDiscoverySelected({
           source: preferences.discoverySource,
+          details: preferences.discoveryDetails,
         });
       }
 

apps/desktop/src/types/onboarding.ts

@@ -63,6 +63,7 @@ export interface ModelRecommendation {
 export interface OnboardingPreferences {
   featureInterests?: FeatureInterest[];
   discoverySource?: DiscoverySource;
+  discoveryDetails?: string;
   selectedModelType?: ModelType;
   modelRecommendation?: ModelRecommendation & { followed: boolean };
   lastVisitedScreen?: OnboardingScreen;
@@ -125,6 +126,7 @@ export const OnboardingStateSchema = z.object({
 export const OnboardingPreferencesSchema = z.object({
   featureInterests: z.array(FeatureInterestSchema).optional(),
   discoverySource: DiscoverySourceSchema.optional(),
+  discoveryDetails: z.string().max(200).optional(),
   selectedModelType: ModelTypeSchema.optional(),
   modelRecommendation: z
     .object({