Update default scenario and prompts

app.py

@@ -418,6 +418,16 @@ footer { display: none !important; }
 """
 
 # Create interface
+DEFAULT_PROMPTS = {
+    "Technical writing": (
+        "Write a concise release note that explains how the Cognitive Proxy uses brain "
+        "phase-locking patterns to steer TinyLlama. Include: purpose, what changed, and "
+        "one limitation/safety note."
+    ),
+    "Educational": "Explain quantum entanglement in simple terms.",
+    "Free form": "Brainstorm creative uses of brain-steered language models in five bullet points."
+}
+
 with gr.Blocks(
     title="Cognitive Proxy",
     theme=gr.themes.Base(
@@ -472,19 +482,28 @@ with gr.Blocks(
 
             with gr.Row():
                 scenario = gr.Dropdown(
-                    choices=["Educational", "Technical writing", "Free form"],
-                    value="Educational",
+                    choices=["Technical writing", "Educational", "Free form"],
+                    value="Technical writing",
                     label="Scenario",
                     container=False
                 )
 
             prompt = gr.Textbox(
-                value="Explain quantum entanglement in simple terms.",
+                value=DEFAULT_PROMPTS["Technical writing"],
                 label="",
                 placeholder="Enter your prompt...",
                 lines=4
             )
 
+            def update_prompt(selected):
+                return DEFAULT_PROMPTS.get(selected, DEFAULT_PROMPTS["Free form"])
+
+            scenario.change(
+                update_prompt,
+                inputs=[scenario],
+                outputs=[prompt]
+            )
+
             with gr.Row():
                 max_tokens = gr.Slider(20, 150, 80, label="Max tokens", container=False)
                 generate_btn = gr.Button("Generate all variants", variant="primary")