Update app.py

app.py

@@ -38,9 +38,12 @@ GEMINI_PROMPT = """
 You are an expert AI scriptwriter. Your task is to watch the provided video and transcribe ALL spoken dialogue into a SINGLE, CONTINUOUS block of modern, colloquial Tamil.
 
 **CRITICAL INSTRUCTIONS:**
-1. Combine all dialogue into one continuous script.
-2. NO timestamps or speaker labels.
-3. Add performance cues (e.g., [laugh], [sigh]) and directions (e.g., "Say happily:").
+1.  **Single Script:** Combine all dialogue from all speakers into one continuous script.
+2.  **NO Timestamps or Speaker Labels:** Do NOT include any timestamps or speaker identifiers.
+3.  **Incorporate Performance:** Add English style prompts (e.g., `Say happily:`, `Whisper mysteriously:`) and performance tags (e.g., `[laugh]`, `[sigh]`) directly into the text for an expressive narration.
+
+**EXAMPLE OUTPUT:**
+Say happily: வணக்கம்! [laugh] எப்படி இருக்கீங்க? Whisper mysteriously: அந்த ரகசியம் எனக்கு மட்டும் தான் தெரியும்.
 """
 
 @app.post("/process")
@@ -92,7 +95,7 @@ async def generate_script(video_path: str) -> str:
         if video_file.state.name != "ACTIVE":
             raise Exception("Gemini processing failed")
         
-        model = genai.GenerativeModel("models/gemini-1.5-pro-latest")
+        model = genai.GenerativeModel("models/gemini-2.5-flash")
         response = model.generate_content([GEMINI_PROMPT, video_file])
         genai.delete_file(video_file.name)