Enhance AI description generation with custom instructions for users

Add a custom instructions input field to the admin video edit dialog and backend to allow users to guide the AI description generation process.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 170e18f0-0f13-4eca-8643-546bba1dd8cc
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/8cc42625-c1f5-4e43-99bd-77f2c4dedee2/170e18f0-0f13-4eca-8643-546bba1dd8cc/LY6xmBI

client/src/pages/admin.tsx

@@ -229,6 +229,7 @@ function EditVideoDialog({
     });
   }, [video]);
   const [isGeneratingAI, setIsGeneratingAI] = useState(false);
+  const [customInstructions, setCustomInstructions] = useState("");
 
   const updateMutation = useMutation({
     mutationFn: (data: any) => apiRequest("PATCH", `/api/admin/videos/${video.id}`, data),
@@ -274,7 +275,8 @@ function EditVideoDialog({
       const response = await apiRequest("POST", `/api/admin/videos/${video.id}/generate-description`, {
         maxCharacters: 500,
         includeArtistInfo: true,
-        includeLabelInfo: true
+        includeLabelInfo: true,
+        customInstructions: customInstructions.trim() || undefined
       });
       
       const data = await response.json();
@@ -351,13 +353,21 @@ function EditVideoDialog({
                   {isGeneratingAI ? "Generating..." : "Generate AI Description"}
                 </Button>
               </div>
-              <Textarea
-                value={formData.description}
-                onChange={(e) => setFormData({ ...formData, description: e.target.value })}
-                className="bg-white/10 border-white/20 text-white min-h-[100px]"
-                rows={3}
-                placeholder="Enter description or use AI to generate one from the title..."
-              />
+              <div className="space-y-2">
+                <Input
+                  placeholder="AI instructions (e.g., 'mention band members', 'focus on song history')..."
+                  value={customInstructions}
+                  onChange={(e) => setCustomInstructions(e.target.value)}
+                  className="bg-white/10 border-white/20 text-white placeholder:text-white/50 text-sm"
+                />
+                <Textarea
+                  value={formData.description}
+                  onChange={(e) => setFormData({ ...formData, description: e.target.value })}
+                  className="bg-white/10 border-white/20 text-white min-h-[100px]"
+                  rows={3}
+                  placeholder="Enter description or use AI to generate one from the title..."
+                />
+              </div>
               <div className="text-xs text-white/60 mt-1">
                 {formData.description.length}/500 characters
               </div>

server/aiService.ts

@@ -28,6 +28,7 @@ export interface DescriptionGenerationOptions {
   language?: string;
   includeArtistInfo?: boolean;
   includeLabelInfo?: boolean;
+  customInstructions?: string;
 }
 
 export async function generateVideoDescription(
@@ -38,7 +39,8 @@ export async function generateVideoDescription(
     maxCharacters = 500,
     language = "slovenian",
     includeArtistInfo = true,
-    includeLabelInfo = true
+    includeLabelInfo = true,
+    customInstructions = ""
   } = options;
 
   try {
@@ -73,6 +75,7 @@ Wenn du keine sicheren Informationen zu einem Punkt hast, lasse ihn WEG. Schreib
 Die Beschreibung soll maximal ${maxCharacters} Zeichen lang sein.
 Schreibe in einem freundlichen, informativen Ton.
 Verwende nicht die Wörter "Video" oder "Aufnahme" - schreibe über die Musik selbst.
+${customInstructions ? `\nZUSÄTZLICHE ANWEISUNGEN: ${customInstructions}` : ''}
 Schreibe nur die Beschreibung, keine zusätzlichen Erklärungen.${avoidRepetition}";`
 
     console.log("Sending request to OpenAI with title:", title); // Debug log

server/routes.ts

@@ -1087,7 +1087,7 @@ export async function registerRoutes(app: Express): Promise<Server> {
   app.post('/api/admin/videos/:id/generate-description', isAdmin, async (req, res) => {
     try {
       const videoId = req.params.id;
-      const { maxCharacters = 500, includeArtistInfo = true, includeLabelInfo = true } = req.body;
+      const { maxCharacters = 500, includeArtistInfo = true, includeLabelInfo = true, customInstructions } = req.body;
       
       console.log("AI description request for video:", videoId); // Debug log
       
@@ -1103,9 +1103,10 @@ export async function registerRoutes(app: Express): Promise<Server> {
       // Generate description using AI
       const description = await generateVideoDescription(video.title, {
         maxCharacters,
-        language: "slovenian",
+        language: "german",
         includeArtistInfo,
-        includeLabelInfo
+        includeLabelInfo,
+        customInstructions
       });
       
       console.log("Generated description:", description); // Debug log