Update app.py

app.py

@@ -2,41 +2,119 @@
 import gradio as gr
 import os
 import time
-# ... (all other imports remain the same)
+import json 
+from PIL import Image, ImageDraw, ImageFont 
+import random
+import traceback 
+
+# --- Core Logic Imports ---
 from core.llm_services import initialize_text_llms, is_gemini_text_ready, is_hf_text_ready, generate_text_gemini, generate_text_hf
 from core.image_services import initialize_image_llms, STABILITY_API_CONFIGURED, OPENAI_DALLE_CONFIGURED, generate_image_stabilityai, generate_image_dalle, ImageGenResponse
 from core.story_engine import Story, Scene
 from prompts.narrative_prompts import get_narrative_system_prompt, format_narrative_user_prompt
 from prompts.image_style_prompts import STYLE_PRESETS, COMMON_NEGATIVE_PROMPTS, format_image_generation_prompt
 from core.utils import basic_text_cleanup
-import traceback 
-
 
-# ... (Initialization, API Status, Model Config, Theme, CSS, create_placeholder_image - all remain the same)
+# --- Initialize Services ---
 initialize_text_llms()
 initialize_image_llms()
+
+# --- Get API Readiness Status ---
 GEMINI_TEXT_IS_READY = is_gemini_text_ready()
 HF_TEXT_IS_READY = is_hf_text_ready()
 STABILITY_API_IS_READY = STABILITY_API_CONFIGURED
 OPENAI_DALLE_IS_READY = OPENAI_DALLE_CONFIGURED
-# ... (TEXT_MODELS, IMAGE_PROVIDERS, UI_DEFAULT_KEYS, omega_theme, omega_css, create_placeholder_image as before)
+
+# --- Application Configuration (Models, Defaults) ---
 TEXT_MODELS = {}
 UI_DEFAULT_TEXT_MODEL_KEY = None
-if GEMINI_TEXT_IS_READY: TEXT_MODELS["✨ Gemini 1.5 Flash (Narrate)"] = {"id": "gemini-1.5-flash-latest", "type": "gemini"}
-if HF_TEXT_IS_READY: TEXT_MODELS["Mistral 7B (Narrate)"] = {"id": "mistralai/Mistral-7B-Instruct-v0.2", "type": "hf_text"}
-if TEXT_MODELS: UI_DEFAULT_TEXT_MODEL_KEY = list(TEXT_MODELS.keys())[0]
-else: TEXT_MODELS["No Text Models"] = {"id": "dummy", "type": "none"}; UI_DEFAULT_TEXT_MODEL_KEY = "No Text Models"
+if GEMINI_TEXT_IS_READY:
+    TEXT_MODELS["✨ Gemini 1.5 Flash (Narrate)"] = {"id": "gemini-1.5-flash-latest", "type": "gemini"}
+    TEXT_MODELS["Legacy Gemini 1.0 Pro (Narrate)"] = {"id": "gemini-1.0-pro-latest", "type": "gemini"}
+if HF_TEXT_IS_READY: # This condition was correct
+    TEXT_MODELS["Mistral 7B (Narrate)"] = {"id": "mistralai/Mistral-7B-Instruct-v0.2", "type": "hf_text"}
+    TEXT_MODELS["Gemma 2B (Narrate)"] = {"id": "google/gemma-2b-it", "type": "hf_text"}
+
+if TEXT_MODELS:
+    # Prioritize based on readiness and preference
+    if GEMINI_TEXT_IS_READY and "✨ Gemini 1.5 Flash (Narrate)" in TEXT_MODELS:
+        UI_DEFAULT_TEXT_MODEL_KEY = "✨ Gemini 1.5 Flash (Narrate)"
+    elif HF_TEXT_IS_READY and "Mistral 7B (Narrate)" in TEXT_MODELS:
+        UI_DEFAULT_TEXT_MODEL_KEY = "Mistral 7B (Narrate)"
+    elif TEXT_MODELS: # Fallback to first available
+        UI_DEFAULT_TEXT_MODEL_KEY = list(TEXT_MODELS.keys())[0]
+else:
+    TEXT_MODELS["No Text Models Configured"] = {"id": "dummy_text_error", "type": "none"}
+    UI_DEFAULT_TEXT_MODEL_KEY = "No Text Models Configured"
+
 IMAGE_PROVIDERS = {}
 UI_DEFAULT_IMAGE_PROVIDER_KEY = None
-if STABILITY_API_IS_READY: IMAGE_PROVIDERS["🎨 Stability AI"] = "stability_ai"
-if OPENAI_DALLE_IS_READY: IMAGE_PROVIDERS["🖼️ DALL-E (Sim.)"] = "dalle"
-if IMAGE_PROVIDERS: UI_DEFAULT_IMAGE_PROVIDER_KEY = list(IMAGE_PROVIDERS.keys())[0]
-else: IMAGE_PROVIDERS["No Image Providers"] = "none"; UI_DEFAULT_IMAGE_PROVIDER_KEY = "No Image Providers"
-omega_theme = gr.themes.Base(font=[gr.themes.GoogleFont("Lexend Deca")], primary_hue=gr.themes.colors.purple).set(body_background_fill="#0F0F1A", block_background_fill="#1A1A2E", slider_color="#A020F0")
-omega_css = "body, .gradio-container { background-color: #0F0F1A !important; color: #D0D0E0 !important; } /* Ensure this is complete */"
+if STABILITY_API_IS_READY: IMAGE_PROVIDERS["🎨 Stability AI (SDXL)"] = "stability_ai"
+if OPENAI_DALLE_IS_READY: IMAGE_PROVIDERS["🖼️ DALL-E 3 (Sim.)"] = "dalle"
 
+if IMAGE_PROVIDERS:
+    if "🎨 Stability AI (SDXL)" in IMAGE_PROVIDERS: UI_DEFAULT_IMAGE_PROVIDER_KEY = "🎨 Stability AI (SDXL)"
+    elif "🖼️ DALL-E 3 (Sim.)" in IMAGE_PROVIDERS: UI_DEFAULT_IMAGE_PROVIDER_KEY = "🖼️ DALL-E 3 (Sim.)"
+    else: UI_DEFAULT_IMAGE_PROVIDER_KEY = list(IMAGE_PROVIDERS.keys())[0]
+else:
+    IMAGE_PROVIDERS["No Image Providers Configured"] = "none"
+    UI_DEFAULT_IMAGE_PROVIDER_KEY = "No Image Providers Configured"
 
-# --- StoryVerse Weaver Orchestrator (MODIFIED `finally` and `yields`) ---
+# --- Gradio UI Theme and CSS ---
+omega_theme = gr.themes.Base(
+    font=[gr.themes.GoogleFont("Lexend Deca"), "ui-sans-serif", "system-ui", "sans-serif"],
+    primary_hue=gr.themes.colors.purple, secondary_hue=gr.themes.colors.pink, neutral_hue=gr.themes.colors.slate
+).set(
+    body_background_fill="#0F0F1A", block_background_fill="#1A1A2E", block_border_width="1px",
+    block_border_color="#2A2A4A", block_label_background_fill="#2A2A4A", input_background_fill="#2A2A4A",
+    input_border_color="#4A4A6A", button_primary_background_fill="linear-gradient(135deg, #7F00FF 0%, #E100FF 100%)",
+    button_primary_text_color="white", button_secondary_background_fill="#4A4A6A",
+    button_secondary_text_color="#E0E0FF", slider_color="#A020F0"
+)
+omega_css = """
+body, .gradio-container { background-color: #0F0F1A !important; color: #D0D0E0 !important; }
+.gradio-container { max-width: 1400px !important; margin: auto !important; border-radius: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.2); padding: 25px !important; border: 1px solid #2A2A4A;}
+.gr-panel, .gr-box, .gr-accordion { background-color: #1A1A2E !important; border: 1px solid #2A2A4A !important; border-radius: 12px !important; box-shadow: 0 4px 15px rgba(0,0,0,0.1);}
+.gr-markdown h1 { font-size: 2.8em !important; text-align: center; color: transparent; background: linear-gradient(135deg, #A020F0 0%, #E040FB 100%); -webkit-background-clip: text; background-clip: text; margin-bottom: 5px !important; letter-spacing: -1px;}
+.gr-markdown h3 { color: #C080F0 !important; text-align: center; font-weight: 400; margin-bottom: 25px !important;}
+.input-section-header { font-size: 1.6em; font-weight: 600; color: #D0D0FF; margin-top: 15px; margin-bottom: 8px; border-bottom: 2px solid #7F00FF; padding-bottom: 5px;}
+.output-section-header { font-size: 1.8em; font-weight: 600; color: #D0D0FF; margin-top: 15px; margin-bottom: 12px;}
+.gr-input input, .gr-input textarea, .gr-dropdown select, .gr-textbox textarea { background-color: #2A2A4A !important; color: #E0E0FF !important; border: 1px solid #4A4A6A !important; border-radius: 8px !important; padding: 10px !important;}
+.gr-button { border-radius: 8px !important; font-weight: 500 !important; transition: all 0.2s ease-in-out !important;}
+.gr-button-primary:hover { transform: scale(1.03) translateY(-1px) !important; box-shadow: 0 8px 16px rgba(127,0,255,0.3) !important; }
+.panel_image { border-radius: 12px !important; overflow: hidden; box-shadow: 0 6px 15px rgba(0,0,0,0.25) !important; background-color: #23233A;}
+.panel_image img { max-height: 600px !important; }
+.gallery_output { background-color: transparent !important; border: none !important; }
+.gallery_output .thumbnail-item { border-radius: 8px !important; box-shadow: 0 3px 8px rgba(0,0,0,0.2) !important; margin: 6px !important; transition: transform 0.2s ease; height: 180px !important; width: 180px !important;}
+.gallery_output .thumbnail-item:hover { transform: scale(1.05); }
+.status_text { font-weight: 500; padding: 12px 18px; text-align: center; border-radius: 8px; margin-top:12px; border: 1px solid transparent; font-size: 1.05em;}
+.error_text { background-color: #401010 !important; color: #FFB0B0 !important; border-color: #802020 !important; }
+.success_text { background-color: #104010 !important; color: #B0FFB0 !important; border-color: #208020 !important;}
+.processing_text { background-color: #102040 !important; color: #B0D0FF !important; border-color: #204080 !important;}
+.important-note { background-color: rgba(127,0,255,0.1); border-left: 5px solid #7F00FF; padding: 15px; margin-bottom:20px; color: #E0E0FF; border-radius: 6px;}
+.gr-tabitem { background-color: #1A1A2E !important; border-radius: 0 0 12px 12px !important; padding: 15px !important;}
+.gr-tab-button.selected { background-color: #2A2A4A !important; color: white !important; border-bottom: 3px solid #A020F0 !important; border-radius: 8px 8px 0 0 !important; font-weight: 600 !important;}
+.gr-tab-button { color: #A0A0C0 !important; border-radius: 8px 8px 0 0 !important;}
+.gr-accordion > .gr-block { border-top: 1px solid #2A2A4A !important; }
+.gr-markdown code { background-color: #2A2A4A !important; color: #C0C0E0 !important; padding: 0.2em 0.5em; border-radius: 4px; }
+.gr-markdown pre { background-color: #23233A !important; padding: 1em !important; border-radius: 6px !important; border: 1px solid #2A2A4A !important;}
+.gr-markdown pre > code { padding: 0 !important; background-color: transparent !important; }
+#surprise_button { background: linear-gradient(135deg, #ff7e5f 0%, #feb47b 100%) !important; font-weight:600 !important;}
+#surprise_button:hover { transform: scale(1.03) translateY(-1px) !important; box-shadow: 0 8px 16px rgba(255,126,95,0.3) !important; }
+"""
+
+# --- Helper: Placeholder Image Creation (Defined at global scope) ---
+def create_placeholder_image(text="Processing...", size=(512, 512), color="#23233A", text_color="#E0E0FF"):
+    img = Image.new('RGB', size, color=color); draw = ImageDraw.Draw(img)
+    try: font_path = "arial.ttf" if os.path.exists("arial.ttf") else None 
+    except: font_path = None 
+    try: font = ImageFont.truetype(font_path, 40) if font_path else ImageFont.load_default()
+    except IOError: font = ImageFont.load_default()
+    if hasattr(draw, 'textbbox'): bbox = draw.textbbox((0,0), text, font=font); tw, th = bbox[2]-bbox[0], bbox[3]-bbox[1]
+    else: tw, th = draw.textsize(text, font=font) 
+    draw.text(((size[0]-tw)/2, (size[1]-th)/2), text, font=font, fill=text_color); return img
+
+# --- StoryVerse Weaver Orchestrator ---
 def add_scene_to_story_orchestrator(
     current_story_obj: Story, scene_prompt_text: str, image_style_dropdown: str, artist_style_text: str,
     negative_prompt_text: str, text_model_key: str, image_provider_key: str,
@@ -52,15 +130,17 @@ def add_scene_to_story_orchestrator(
     ret_story_state = current_story_obj
     ret_gallery = current_story_obj.get_all_scenes_for_gallery_display()
     ret_latest_image = None
-    ret_latest_narrative_md_obj = gr.Markdown(value="## Processing...\nNarrative being woven...")
-    ret_status_bar_html_obj = gr.HTML(value="<p class='processing_text status_text'>Processing...</p>")
+    ret_latest_narrative_str = "## Processing...\nNarrative being woven..."
+    ret_status_bar_html = "<p class='processing_text status_text'>Processing...</p>"
     # ret_log_md will be built up
 
-    # Initial UI update for status, placeholders. Buttons disabled by preceding .click() event.
+    # Initial UI update using direct component updates in yield
+    # These component variables (output_status_bar etc.) must be defined in the `with gr.Blocks` scope
     yield {
         output_status_bar: gr.HTML(value=f"<p class='processing_text status_text'>🌌 Weaving Scene {current_story_obj.current_scene_number + 1}...</p>"),
-        output_latest_scene_image: gr.Image(value=create_placeholder_image("🎨 Conjuring visuals...")),
-        output_latest_scene_narrative: gr.Markdown(value=" Musing narrative..."),
+        output_latest_scene_image: gr.Image(value=create_placeholder_image("🎨 Conjuring visuals...")), # Removed visible=True, Gradio handles it
+        output_latest_scene_narrative: gr.Markdown(value=" Musing narrative..."), # Removed visible=True
+        # engage_button and surprise_button will be handled by the .then() chaining in the UI definition
         output_interaction_log_markdown: gr.Markdown(value="\n".join(log_accumulator))
     }
 
@@ -70,21 +150,60 @@ def add_scene_to_story_orchestrator(
 
         # --- 1. Generate Narrative Text ---
         progress(0.1, desc="✍️ Crafting narrative...")
-        # ... (Full narrative generation logic as before, updating narrative_text_generated and log_accumulator)
-        narrative_text_generated = "Simulated Narrative for " + scene_prompt_text[:20] # Placeholder for actual call
-        log_accumulator.append(f"  Narrative: Generated (simulated).") # Placeholder
+        narrative_text_generated = f"Narrative Error: Init failed."
+        text_model_info = TEXT_MODELS.get(text_model_key)
+        if text_model_info and text_model_info["type"] != "none":
+            system_p = get_narrative_system_prompt("default")
+            prev_narrative = current_story_obj.get_last_scene_narrative()
+            user_p = format_narrative_user_prompt(scene_prompt_text, prev_narrative)
+            log_accumulator.append(f"  Narrative: Using {text_model_key} ({text_model_info['id']}). Length: {narrative_length}")
+            text_response = None
+            if text_model_info["type"] == "gemini": text_response = generate_text_gemini(user_p, model_id=text_model_info["id"], system_prompt=system_p, max_tokens=768 if narrative_length.startswith("Detailed") else 400)
+            elif text_model_info["type"] == "hf_text": text_response = generate_text_hf(user_p, model_id=text_model_info["id"], system_prompt=system_p, max_tokens=768 if narrative_length.startswith("Detailed") else 400)
+            
+            if text_response and text_response.success:
+                narrative_text_generated = basic_text_cleanup(text_response.text)
+                log_accumulator.append(f"  Narrative: Success. (Snippet: {narrative_text_generated[:50]}...)")
+            elif text_response:
+                narrative_text_generated = f"**Narrative Error ({text_model_key}):** {text_response.error}"
+                log_accumulator.append(f"  Narrative: FAILED - {text_response.error}")
+            else:
+                 log_accumulator.append(f"  Narrative: FAILED - No response object from {text_model_key}.")
+        else:
+            narrative_text_generated = "**Narrative Error:** Selected text model not available or misconfigured."
+            log_accumulator.append(f"  Narrative: FAILED - Model '{text_model_key}' not available.")
         
-        ret_latest_narrative_str_content = f"## Scene Idea: {scene_prompt_text}\n\n{narrative_text_generated}"
-        ret_latest_narrative_md_obj = gr.Markdown(value=ret_latest_narrative_str_content)
-        yield { output_latest_scene_narrative: ret_latest_narrative_md_obj,
+        ret_latest_narrative_str = f"## Scene Idea: {scene_prompt_text}\n\n{narrative_text_generated}"
+        yield { output_latest_scene_narrative: gr.Markdown(value=ret_latest_narrative_str),
                 output_interaction_log_markdown: gr.Markdown(value="\n".join(log_accumulator)) }
 
         # --- 2. Generate Image ---
         progress(0.5, desc="🎨 Conjuring visuals...")
-        # ... (Full image generation logic as before, updating image_generated_pil, image_generation_error_message, log_accumulator)
-        image_generated_pil = create_placeholder_image("Simulated Image") # Placeholder for actual call
-        image_generation_error_message = None # Placeholder
-        log_accumulator.append(f"  Image: Generated (simulated).") # Placeholder
+        image_generated_pil = None
+        image_generation_error_message = None
+        selected_image_provider_type = IMAGE_PROVIDERS.get(image_provider_key)
+        image_content_prompt_for_gen = narrative_text_generated if narrative_text_generated and "Error" not in narrative_text_generated else scene_prompt_text
+        quality_keyword = "ultra detailed, intricate, masterpiece, " if image_quality == "High Detail" else ("concept sketch, line art, " if image_quality == "Sketch Concept" else "")
+        full_image_prompt = format_image_generation_prompt(quality_keyword + image_content_prompt_for_gen[:350], image_style_dropdown, artist_style_text)
+        log_accumulator.append(f"  Image: Using {image_provider_key}. Style: {image_style_dropdown}. Artist: {artist_style_text or 'N/A'}.")
+
+        if selected_image_provider_type and selected_image_provider_type != "none":
+            image_response = None
+            if selected_image_provider_type == "stability_ai": image_response = generate_image_stabilityai(full_image_prompt, negative_prompt=negative_prompt_text or COMMON_NEGATIVE_PROMPTS, steps=40 if image_quality=="High Detail" else 25)
+            elif selected_image_provider_type == "dalle": image_response = generate_image_dalle(full_image_prompt, quality="hd" if image_quality=="High Detail" else "standard")
+            
+            if image_response and image_response.success:
+                image_generated_pil = image_response.image
+                log_accumulator.append(f"  Image: Success from {image_response.provider}.")
+            elif image_response:
+                image_generation_error_message = f"**Image Error ({image_response.provider}):** {image_response.error}"
+                log_accumulator.append(f"  Image: FAILED - {image_response.error}")
+            else:
+                image_generation_error_message = f"**Image Error:** No response object from {image_provider_key} service."
+                log_accumulator.append(f"  Image: FAILED - No response object from {image_provider_key}.")
+        else:
+            image_generation_error_message = "**Image Error:** Selected image provider not available or misconfigured."
+            log_accumulator.append(f"  Image: FAILED - Provider '{image_provider_key}' unavailable.")
 
         ret_latest_image = image_generated_pil if image_generated_pil else create_placeholder_image("Image Gen Failed", color="#401010")
         yield { output_latest_scene_image: gr.Image(value=ret_latest_image),
@@ -92,14 +211,16 @@ def add_scene_to_story_orchestrator(
 
         # --- 3. Add Scene to Story Object ---
         final_scene_error = None
-        # ... (Logic to set final_scene_error based on narrative and image errors) ...
+        if image_generation_error_message and "**Narrative Error**" in narrative_text_generated : final_scene_error = f"{narrative_text_generated}\n{image_generation_error_message}"
+        elif "**Narrative Error**" in narrative_text_generated: final_scene_error = narrative_text_generated
+        elif image_generation_error_message: final_scene_error = image_generation_error_message
         
         current_story_obj.add_scene_from_elements(
             user_prompt=scene_prompt_text,
             narrative_text=narrative_text_generated if "**Narrative Error**" not in narrative_text_generated else "(Narrative gen failed)",
             image=image_generated_pil,
             image_style_prompt=f"{image_style_dropdown}{f', by {artist_style_text}' if artist_style_text and artist_style_text.strip() else ''}",
-            image_provider=image_provider_key,
+            image_provider=image_provider_key if selected_image_provider_type != "none" else "N/A",
             error_message=final_scene_error
         )
         ret_story_state = current_story_obj 
@@ -108,68 +229,89 @@ def add_scene_to_story_orchestrator(
         # --- 4. Prepare Final Values for Return Tuple ---
         ret_gallery = current_story_obj.get_all_scenes_for_gallery_display()
         _ , latest_narr_for_display_final_str_temp = current_story_obj.get_latest_scene_details_for_display()
-        ret_latest_narrative_md_obj = gr.Markdown(value=latest_narr_for_display_final_str_temp)
+        ret_latest_narrative_str = latest_narr_for_display_final_str_temp 
         
         status_html_str_temp = f"<p class='error_text status_text'>Scene {current_story_obj.current_scene_number} added with errors.</p>" if final_scene_error else f"<p class='success_text status_text'>🌌 Scene {current_story_obj.current_scene_number} woven!</p>"
-        ret_status_bar_html_obj = gr.HTML(value=status_html_str_temp)
+        ret_status_bar_html = gr.HTML(value=status_html_str_temp) 
         
         progress(1.0, desc="Scene Complete!")
 
     except ValueError as ve:
         log_accumulator.append(f"\n**INPUT/CONFIG ERROR:** {ve}")
-        ret_status_bar_html_obj = gr.HTML(value=f"<p class='error_text status_text'>❌ CONFIGURATION ERROR: {ve}</p>")
-        ret_latest_narrative_md_obj = gr.Markdown(value=f"## Error\n{ve}")
+        ret_status_bar_html = gr.HTML(value=f"<p class='error_text status_text'>❌ CONFIGURATION ERROR: {ve}</p>")
+        ret_latest_narrative_str = f"## Error\n{ve}"
     except Exception as e:
         log_accumulator.append(f"\n**UNEXPECTED RUNTIME ERROR:** {type(e).__name__} - {e}\n{traceback.format_exc()}")
-        ret_status_bar_html_obj = gr.HTML(value=f"<p class='error_text status_text'>❌ UNEXPECTED ERROR: {type(e).__name__}. Check logs.</p>")
-        ret_latest_narrative_md_obj = gr.Markdown(value=f"## Unexpected Error\n{type(e).__name__}: {e}\nSee log for details.")
-    # `finally` block is removed from here for this test. Button re-enabling will be handled by a separate .then()
+        ret_status_bar_html = gr.HTML(value=f"<p class='error_text status_text'>❌ UNEXPECTED ERROR: {type(e).__name__}. Check logs.</p>")
+        ret_latest_narrative_str = f"## Unexpected Error\n{type(e).__name__}: {e}\nSee log for details."
+    # No `finally` block here for button updates; handled by `.then()`
 
     current_total_time = time.time() - start_time
     log_accumulator.append(f"  Cycle ended at {time.strftime('%H:%M:%S')}. Total time: {current_total_time:.2f}s")
-    ret_log_md = gr.Markdown(value="\n".join(log_accumulator))
+    ret_log_str = "\n".join(log_accumulator)
     
     # This is the FINAL return. It must be a tuple matching the `outputs` list of engage_button.click()
     return (
         ret_story_state,
         ret_gallery,
         ret_latest_image, 
-        ret_latest_narrative_md_obj, # Return the Gradio component update object
-        ret_status_bar_html_obj,     # Return the Gradio component update object
-        ret_log_md                   # Return the Gradio component update object
+        gr.Markdown(value=ret_latest_narrative_str), 
+        ret_status_bar_html,     
+        gr.Markdown(value=ret_log_str)               
     )
 
-# --- clear_story_state_ui_wrapper (ensure it returns a tuple matching its outputs) ---
 def clear_story_state_ui_wrapper():
-    # ... (Same as before)
-    new_story = Story(); ph_img = create_placeholder_image("Blank canvas...", color="#1A1A2E", text_color="#A0A0C0")
-    return (new_story, [(ph_img,"New StoryVerse...")], None, gr.Markdown("## ✨ New Story ✨"), gr.HTML("<p>Cleared.</p>"), "Log Cleared.", "")
+    new_story = Story()
+    placeholder_img = create_placeholder_image("Your StoryVerse is a blank canvas...", color="#1A1A2E", text_color="#A0A0C0")
+    cleared_gallery = [(placeholder_img, "Your StoryVerse is new and untold...")]
+    initial_narrative = "## ✨ A New Story Begins ✨\nDescribe your first scene idea in the panel to the left and let the AI help you weave your world!"
+    status_msg = "<p class='processing_text status_text'>📜 Story Cleared. A fresh canvas awaits your imagination!</p>"
+    return (new_story, cleared_gallery, None, gr.Markdown(value=initial_narrative), gr.HTML(value=status_msg), "Log Cleared. Ready for a new adventure!", "")
 
-# --- surprise_me_func (no changes needed) ---
 def surprise_me_func():
-    # ... (Same as before)
-    themes = ["Cosmic Horror", "Solarpunk Utopia"]; actions = ["unearths an artifact", "negotiates"]; settings = ["on a rogue planet", "in a city in a tree"]; prompt = f"A protagonist {random.choice(actions)} {random.choice(settings)}. Theme: {random.choice(themes)}."; style = random.choice(list(STYLE_PRESETS.keys())); artist = random.choice(["H.R. Giger", "Moebius", ""]*2); return prompt, style, artist
+    themes = ["Cosmic Horror", "Solarpunk Utopia", "Mythic Fantasy", "Noir Detective", "Silent Film Comedy", "Deep Sea Exploration", "Prehistoric Survival"]
+    actions = ["unearths an artifact of immense power", "negotiates with an interdimensional being", "solves an ancient riddle", "embarks on a perilous journey", "attends a secret festival", "witnesses a celestial event", "finds a hidden sanctuary"]
+    settings = ["on a rogue planet drifting through an empty void", "in a city built within a colossal, living tree", "within a library containing all possible books", "on a generation ship nearing its ancient destination", "in a dreamlike landscape where physics is suggestive", "at the bottom of a Mariana Trench-like abyss", "in a lush jungle teeming with dinosaurs"]
+    prompt = f"A protagonist {random.choice(actions)} {random.choice(settings)}. The overall theme is {random.choice(themes)}."
+    style = random.choice(list(STYLE_PRESETS.keys()))
+    artist = random.choice(["H.R. Giger", "Moebius", "Eyvind Earle", " Remedios Varo", "Alphonse Mucha", ""]*2)
+    return prompt, style, artist
 
 # --- Functions to control button interactivity ---
-def disable_buttons():
+def disable_buttons_for_processing():
     return gr.Button(interactive=False), gr.Button(interactive=False)
 
-def enable_buttons():
+def enable_buttons_after_processing():
     return gr.Button(interactive=True), gr.Button(interactive=True)
 
-
 # --- Gradio UI Definition ---
-with gr.Blocks(theme=omega_theme, css=omega_css, title="✨ StoryVerse Omega ✨") as story_weaver_demo:
+with gr.Blocks(theme=omega_theme, css=omega_css, title="✨ StoryVerse Omega ✨ - AI Story & World Weaver") as story_weaver_demo:
     story_state_output = gr.State(Story()) 
-    # Define all UI components with their full parameters ONCE
+
+    gr.Markdown("<div align='center'><h1>✨ StoryVerse Omega ✨</h1>\n<h3>Craft Immersive Multimodal Worlds with AI</h3></div>")
+    gr.HTML("<div class='important-note'><strong>Welcome, Worldsmith!</strong> Describe your vision, choose your style, and let Omega help you weave captivating scenes with narrative and imagery. Ensure API keys (<code>STORYVERSE_...</code>) are correctly set in Space Secrets!</div>")
+
+    with gr.Accordion("🔧 AI Services Status & Info", open=False):
+        status_text_list = []
+        text_llm_ok, image_gen_ok = (GEMINI_TEXT_IS_READY or HF_TEXT_IS_READY), (STABILITY_API_IS_READY or OPENAI_DALLE_IS_READY)
+        if not text_llm_ok and not image_gen_ok: status_text_list.append("<p style='color:#FCA5A5;font-weight:bold;'>⚠️ CRITICAL: NO AI SERVICES CONFIGURED.</p>")
+        else:
+            if text_llm_ok: status_text_list.append("<p style='color:#A7F3D0;'>✅ Text Generation Service(s) Ready.</p>")
+            else: status_text_list.append("<p style='color:#FCD34D;'>⚠️ Text Generation Service(s) NOT Ready.</p>")
+            if image_gen_ok: status_text_list.append("<p style='color:#A7F3D0;'>✅ Image Generation Service(s) Ready.</p>")
+            else: status_text_list.append("<p style='color:#FCD34D;'>⚠️ Image Generation Service(s) NOT Ready.</p>")
+        gr.HTML("".join(status_text_list))
+
     with gr.Row(equal_height=False, variant="panel"):
         with gr.Column(scale=7, min_width=450): 
             gr.Markdown("### 💡 **Craft Your Scene**", elem_classes="input-section-header")
             with gr.Group():
                 scene_prompt_input = gr.Textbox(lines=7, label="Scene Vision (Description, Dialogue, Action):", placeholder="e.g., Amidst swirling cosmic dust...")
             with gr.Row(elem_classes=["compact-row"]):
-                with gr.Column(scale=2): image_style_input = gr.Dropdown(choices=["Default (Cinematic Realism)"] + sorted(list(STYLE_PRESETS.keys())), value="Default (Cinematic Realism)", label="Visual Style Preset")
-                with gr.Column(scale=2): artist_style_input = gr.Textbox(label="Artistic Inspiration (Optional):", placeholder="e.g., Moebius...")
+                with gr.Column(scale=2):
+                    image_style_input = gr.Dropdown(choices=["Default (Cinematic Realism)"] + sorted(list(STYLE_PRESETS.keys())), value="Default (Cinematic Realism)", label="Visual Style Preset")
+                with gr.Column(scale=2):
+                    artist_style_input = gr.Textbox(label="Artistic Inspiration (Optional):", placeholder="e.g., Moebius...")
             negative_prompt_input = gr.Textbox(lines=2, label="Exclude from Image (Negative Prompt):", value=COMMON_NEGATIVE_PROMPTS)
             with gr.Accordion("⚙️ Advanced AI Configuration", open=False):
                  with gr.Group():
@@ -183,6 +325,7 @@ with gr.Blocks(theme=omega_theme, css=omega_css, title="✨ StoryVerse Omega ✨
                 surprise_button = gr.Button("🎲 Surprise Me!", variant="secondary", scale=1, icon="🎁")
                 clear_story_button = gr.Button("🗑️ New Story", variant="stop", scale=1, icon="♻️")
             output_status_bar = gr.HTML(value="<p class='processing_text status_text'>Ready to weave your first masterpiece!</p>")
+
         with gr.Column(scale=10, min_width=700): 
             gr.Markdown("### 🖼️ **Your Evolving StoryVerse**", elem_classes="output-section-header")
             with gr.Tabs():
@@ -195,44 +338,30 @@ with gr.Blocks(theme=omega_theme, css=omega_css, title="✨ StoryVerse Omega ✨
                     with gr.Accordion(label="Developer Interaction Log", open=False): 
                         output_interaction_log_markdown = gr.Markdown("Log will appear here...")
 
-    # API Status Accordion (defined after main components)
-    with gr.Accordion("🔧 AI Services Status & Info", open=False):
-        status_text_list = []; text_llm_ok, image_gen_ok = (GEMINI_TEXT_IS_READY or HF_TEXT_IS_READY), (STABILITY_API_IS_READY or OPENAI_DALLE_IS_READY)
-        if not text_llm_ok and not image_gen_ok: status_text_list.append("<p style='color:#FCA5A5;font-weight:bold;'>⚠️ CRITICAL: NO AI SERVICES CONFIGURED.</p>")
-        else:
-            if text_llm_ok: status_text_list.append("<p style='color:#A7F3D0;'>✅ Text Generation Ready.</p>")
-            else: status_text_list.append("<p style='color:#FCD34D;'>⚠️ Text Generation NOT Ready.</p>")
-            if image_gen_ok: status_text_list.append("<p style='color:#A7F3D0;'>✅ Image Generation Ready.</p>")
-            else: status_text_list.append("<p style='color:#FCD34D;'>⚠️ Image Generation NOT Ready.</p>")
-        gr.HTML("".join(status_text_list))
-
-    # Event Handlers
-    # When engage_button is clicked:
-    # 1. Call `disable_buttons` immediately to disable engage and surprise buttons.
-    # 2. Then, call the main orchestrator.
-    # 3. After the orchestrator is done (successfully or with error), call `enable_buttons`.
-    engage_event = engage_button.click( # Assign to a variable to chain .then()
-        fn=disable_buttons,
+    # Chained event handling for engage_button
+    click_event_engage = engage_button.click(
+        fn=disable_buttons_for_processing, # Step 1: Disable buttons
         inputs=None,
         outputs=[engage_button, surprise_button],
-        queue=False # Run this part immediately
+        queue=False # Run immediately without queuing for this UI update
     ).then(
-        fn=add_scene_to_story_orchestrator,
+        fn=add_scene_to_story_orchestrator, # Step 2: Run the main orchestrator
         inputs=[
             story_state_output, scene_prompt_input, 
             image_style_input, artist_style_input, negative_prompt_input,
             text_model_dropdown, image_provider_dropdown,
             narrative_length_dropdown, image_quality_dropdown
         ],
-        outputs=[ 
+        outputs=[ # These are updated by the FINAL RETURN of the orchestrator
             story_state_output, output_gallery, output_latest_scene_image, 
             output_latest_scene_narrative, output_status_bar, output_interaction_log_markdown
         ]
-    ).then( # This .then() executes after add_scene_to_story_orchestrator completes
-        fn=enable_buttons,
+        # Progressive updates within orchestrator happen via `yield {component_var: update}`
+    ).then(
+        fn=enable_buttons_after_processing, # Step 3: Re-enable buttons
         inputs=None,
         outputs=[engage_button, surprise_button],
-        queue=False # Run this part immediately after the main function
+        queue=False # Run immediately after orchestrator finishes
     )
     
     clear_story_button.click(
@@ -253,19 +382,26 @@ with gr.Blocks(theme=omega_theme, css=omega_css, title="✨ StoryVerse Omega ✨
         examples=[
             ["A lone, weary traveler on a mechanical steed crosses a vast, crimson desert under twin suns. Dust devils dance in the distance.", "Sci-Fi Western", "Moebius", "greenery, water, modern city"],
             ["Deep within an ancient, bioluminescent forest, a hidden civilization of sentient fungi perform a mystical ritual around a pulsating crystal.", "Psychedelic Fantasy", "Alex Grey", "technology, buildings, roads"],
+             ["A child sits on a crescent moon, fishing for stars in a swirling nebula. A friendly space whale swims nearby.", "Whimsical Cosmic", "James Jean", "realistic, dark, scary"],
+            ["A grand, baroque library where the books fly freely and whisper forgotten lore to those who listen closely.", "Magical Realism", "Remedios Varo", "minimalist, simple, technology"]
         ],
         inputs=[scene_prompt_input, image_style_input, artist_style_input, negative_prompt_input], 
         label="🌌 Example Universes to Weave 🌌",
     )
-    gr.HTML("<div style='text-align:center; margin-top:30px; padding-bottom:20px;'><p style='font-size:0.9em; color:#8080A0;'>✨ StoryVerse Omega™</p></div>")
+    gr.HTML("<div style='text-align:center; margin-top:30px; padding-bottom:20px;'><p style='font-size:0.9em; color:#8080A0;'>✨ StoryVerse Omega™ - Weaving Worlds with Words and Pixels ✨</p></div>")
 
 # --- Entry Point ---
 if __name__ == "__main__":
-    print("="*80); print("✨ StoryVerse Omega™ Launching... ✨")
-    # ... (Startup print messages for API status, default models etc.)
-    print(f"  Gemini Text Ready: {GEMINI_TEXT_IS_READY}"); print(f"  HF Text Ready: {HF_TEXT_IS_READY}")
-    print(f"  Stability AI Ready: {STABILITY_API_IS_READY}"); print(f"  DALL-E Ready: {OPENAI_DALLE_IS_READY}")
-    if not (GEMINI_TEXT_IS_READY or HF_TEXT_IS_READY) or not (STABILITY_API_IS_READY or OPENAI_DALLE_IS_READY): print("  🔴 WARNING: Not all services configured.")
-    print(f"  Default Text Model: {UI_DEFAULT_TEXT_MODEL_KEY}"); print(f"  Default Image Provider: {UI_DEFAULT_IMAGE_PROVIDER_KEY}")
     print("="*80)
+    print("✨ StoryVerse Omega™ - AI Story & World Weaver - Launching... ✨")
+    print(f"  Text LLM Ready (Gemini): {GEMINI_TEXT_IS_READY}")
+    print(f"  Text LLM Ready (HF): {HF_TEXT_IS_READY}")
+    print(f"  Image Provider Ready (Stability AI): {STABILITY_API_IS_READY}")
+    print(f"  Image Provider Ready (DALL-E): {OPENAI_DALLE_IS_READY}")
+    if not (GEMINI_TEXT_IS_READY or HF_TEXT_IS_READY) or not (STABILITY_API_IS_READY or OPENAI_DALLE_IS_READY):
+        print("  🔴 WARNING: Not all required AI services are configured correctly.")
+    print(f"  Default Text Model: {UI_DEFAULT_TEXT_MODEL_KEY}")
+    print(f"  Default Image Provider: {UI_DEFAULT_IMAGE_PROVIDER_KEY}")
+    print("="*80)
+    
     story_weaver_demo.launch(debug=True, server_name="0.0.0.0", share=False)