Update app.py

app.py

@@ -6,13 +6,13 @@ import logging
 # --- Streamlit PermissionError Mitigation Attempts ---
 if "STREAMLIT_CLIENT_GATHER_USAGE_STATS" not in os.environ:
     os.environ["STREAMLIT_CLIENT_GATHER_USAGE_STATS"] = "false"
-if "STREAMLIT_BROWSER_GATHERUSAGESTATS" not in os.environ:
+if "STREAMLIT_BROWSER_GATHERUSAGESTATS" not in os.environ: # For newer versions
     os.environ["STREAMLIT_BROWSER_GATHERUSAGESTATS"] = "false"
-streamlit_home_path_app = "/app/.streamlit_cai_config_v2"
+streamlit_home_path_app = "/app/.streamlit_cai_config_v3" # Changed name slightly
 if "STREAMLIT_HOME" not in os.environ and os.getcwd().startswith("/app"):
     os.environ["STREAMLIT_HOME"] = streamlit_home_path_app
     try: os.makedirs(streamlit_home_path_app, exist_ok=True)
-    except Exception: pass # Ignore if fails, Dockerfile ENV is primary
+    except Exception: pass
 
 from core.gemini_handler import GeminiHandler
 from core.visual_engine import VisualEngine
@@ -33,7 +33,7 @@ def load_api_key(key_name_st, key_name_e, service_n):
     key_val = None; secrets_avail = hasattr(st, 'secrets')
     try:
         if secrets_avail and key_name_st in st.secrets: key_val = st.secrets.get(key_name_st);
-        if key_val: logger.info(f"API Key for {service_n} found in St secrets.")
+        if key_val: logger.info(f"API Key for {service_n} found in Streamlit secrets.")
     except Exception as e: logger.warning(f"No st.secrets for {key_name_st} ({service_n}): {e}")
     if not key_val and key_name_e in os.environ: key_val = os.environ.get(key_name_e);
     if key_val: logger.info(f"API Key for {service_n} found in env var '{key_name_e}'.")
@@ -42,14 +42,12 @@ def load_api_key(key_name_st, key_name_e, service_n):
 
 if 'services_initialized_flag' not in st.session_state:
     logger.info("APP_INIT: Initializing services and API keys...")
-    # (API Key Loading as before)
     st.session_state.API_KEY_GEMINI = load_api_key("GEMINI_API_KEY", "GEMINI_API_KEY", "Gemini")
     st.session_state.API_KEY_OPENAI = load_api_key("OPENAI_API_KEY", "OPENAI_API_KEY", "OpenAI/DALL-E")
     st.session_state.API_KEY_ELEVENLABS = load_api_key("ELEVENLABS_API_KEY", "ELEVENLABS_API_KEY", "ElevenLabs")
     st.session_state.API_KEY_PEXELS = load_api_key("PEXELS_API_KEY", "PEXELS_API_KEY", "Pexels")
     st.session_state.CONFIG_ELEVENLABS_VOICE_ID = load_api_key("ELEVENLABS_VOICE_ID", "ELEVENLABS_VOICE_ID", "ElevenLabs Voice ID")
     st.session_state.API_KEY_RUNWAYML = load_api_key("RUNWAY_API_KEY", "RUNWAY_API_KEY", "RunwayML")
-
     if not st.session_state.API_KEY_GEMINI: st.error("CRITICAL: Gemini API Key missing!"); logger.critical("Gemini API Key missing."); st.stop()
     try: st.session_state.gemini_service_handler = GeminiHandler(api_key=st.session_state.API_KEY_GEMINI); logger.info("GeminiHandler initialized.")
     except Exception as e: st.error(f"CRITICAL: GeminiHandler init fail: {e}"); logger.critical(f"GeminiHandler init fail: {e}", exc_info=True); st.stop()
@@ -73,113 +71,112 @@ def initialize_new_project_data_in_session():
     st.session_state.project_final_video_path = None; st.session_state.project_overall_narration_audio_path = None; st.session_state.project_narration_script_text = ""
     logger.info("PROJECT_DATA: New project data re-initialized.")
 
-def generate_asset_for_scene_in_app(sc_idx, sc_data, asset_v=1, user_asset_type_ui="Auto (Director's Choice)"):
-    # (Logic as in previous app.py, ensuring it uses scene_data_dict for visual_engine call)
+def generate_asset_for_scene_in_app(sc_idx, sc_data_dict, asset_v=1, user_asset_type_ui="Auto (Director's Choice)"): # Changed sc_data to sc_data_dict
     logger.debug(f"APP: generate_asset_for_scene_in_app for S_idx {sc_idx}, ver {asset_v}, user_type: {user_asset_type_ui}")
-    gen_as_vid_final = False; gemini_sugg_type = sc_data.get('suggested_asset_type_감독', 'image').lower()
+    gen_as_vid_final = False; gemini_sugg_type = sc_data_dict.get('suggested_asset_type_감독', 'image').lower()
     if user_asset_type_ui=="Image": gen_as_vid_final=False
     elif user_asset_type_ui=="Video Clip": gen_as_vid_final=True
     elif user_asset_type_ui=="Auto (Director's Choice)": gen_as_vid_final=(gemini_sugg_type=="video_clip")
     logger.debug(f"APP: Final asset type: {'Video' if gen_as_vid_final else 'Image'}")
-    prompt_base_img = construct_dalle_prompt(sc_data,st.session_state.project_character_definitions_map,st.session_state.project_global_style_keywords_str)
+    prompt_base_img = construct_dalle_prompt(sc_data_dict,st.session_state.project_character_definitions_map,st.session_state.project_global_style_keywords_str)
     prompt_motion_vid = ""
-    if gen_as_vid_final: prompt_motion_vid=construct_text_to_video_prompt_for_gen4(sc_data,st.session_state.project_global_style_keywords_str) or sc_data.get('video_clip_motion_description_감독',"subtle motion")
-    if not prompt_base_img: logger.error(f"Base image prompt construction failed for S{sc_data.get('scene_number',sc_idx+1)}"); return False
+    if gen_as_vid_final: prompt_motion_vid=construct_text_to_video_prompt_for_gen4(sc_data_dict,st.session_state.project_global_style_keywords_str) or sc_data_dict.get('video_clip_motion_description_감독',"subtle motion")
+    if not prompt_base_img: logger.error(f"Base image prompt construction failed for S{sc_data_dict.get('scene_number',sc_idx+1)}"); return False
     while len(st.session_state.project_scene_generation_prompts_list)<=sc_idx:st.session_state.project_scene_generation_prompts_list.append("")
     while len(st.session_state.project_generated_assets_info_list)<=sc_idx:st.session_state.project_generated_assets_info_list.append(None)
     st.session_state.project_scene_generation_prompts_list[sc_idx]=prompt_motion_vid if gen_as_vid_final else prompt_base_img
-    fn_base_asset=f"scene_{sc_data.get('scene_number',sc_idx+1)}_asset_v{asset_v}"
-    rwy_dur=sc_data.get('video_clip_duration_estimate_secs_감독',sc_data.get('user_scene_duration_secs',DEFAULT_SCENE_DURATION_SECS));rwy_dur=max(1,rwy_dur)
-    asset_res_dict=st.session_state.visual_content_engine.generate_scene_asset(image_generation_prompt_text=prompt_base_img,motion_prompt_text_for_video=prompt_motion_vid,scene_data_dict=sc_data,scene_identifier_fn_base=fn_base_asset,generate_as_video_clip_flag=gen_as_vid_final,runway_target_dur_val=rwy_dur) # Uses scene_data_dict
+    fn_base_asset=f"scene_{sc_data_dict.get('scene_number',sc_idx+1)}_asset_v{asset_v}"
+    rwy_dur=sc_data_dict.get('video_clip_duration_estimate_secs_감독',sc_data_dict.get('user_scene_duration_secs',DEFAULT_SCENE_DURATION_SECS));rwy_dur=max(1,rwy_dur) # Ensure positive
+    asset_res_dict=st.session_state.visual_content_engine.generate_scene_asset(image_generation_prompt_text=prompt_base_img,motion_prompt_text_for_video=prompt_motion_vid,scene_data_dict=sc_data_dict,scene_identifier_fn_base=fn_base_asset,generate_as_video_clip_flag=gen_as_vid_final,runway_target_dur_val=rwy_dur)
     st.session_state.project_generated_assets_info_list[sc_idx]=asset_res_dict
     if asset_res_dict and asset_res_dict.get('prompt_used')and st.session_state.project_scene_generation_prompts_list[sc_idx]!=asset_res_dict['prompt_used']:st.session_state.project_scene_generation_prompts_list[sc_idx]=asset_res_dict['prompt_used']
-    if asset_res_dict and not asset_res_dict['error']and asset_res_dict.get('path')and os.path.exists(asset_res_dict['path']):logger.info(f"APP: Asset ({asset_res_dict.get('type')}) OK S{sc_data.get('scene_number',sc_idx+1)}:{os.path.basename(asset_res_dict['path'])}");return True
-    else:err_msg=asset_res_dict.get('error_message','Unk err')if asset_res_dict else 'Asset res None';logger.warning(f"APP: Asset gen FAIL S{sc_data.get('scene_number',sc_idx+1)}. Type:{'Vid'if gen_as_vid_final else 'Img'}. Err:{err_msg}");curr_p=st.session_state.project_scene_generation_prompts_list[sc_idx];st.session_state.project_generated_assets_info_list[sc_idx]={'path':None,'type':'none','error':True,'error_message':err_msg,'prompt_used':curr_p};return False
+    if asset_res_dict and not asset_res_dict['error']and asset_res_dict.get('path')and os.path.exists(asset_res_dict['path']):logger.info(f"APP: Asset ({asset_res_dict.get('type')}) OK S{sc_data_dict.get('scene_number',sc_idx+1)}:{os.path.basename(asset_res_dict['path'])}");return True
+    else:err_msg=asset_res_dict.get('error_message','Unk err')if asset_res_dict else 'Asset res None';logger.warning(f"APP: Asset gen FAIL S{sc_data_dict.get('scene_number',sc_idx+1)}. Type:{'Vid'if gen_as_vid_final else 'Img'}. Err:{err_msg}");curr_p=st.session_state.project_scene_generation_prompts_list[sc_idx];st.session_state.project_generated_assets_info_list[sc_idx]={'path':None,'type':'none','error':True,'error_message':err_msg,'prompt_used':curr_p};return False
 
-with st.sidebar: # Sidebar UI
+with st.sidebar:
     if os.path.exists("assets/logo.png"): st.image("assets/logo.png", width=150)
     else: st.sidebar.markdown("## 🎬 CineGen AI Ultra+"); logger.warning("assets/logo.png not found.")
     st.markdown("### Creative Seed")
-    sb_user_idea = st.text_area("Core Idea:", "Lone wanderer, mythical oasis, post-apocalyptic desert, mirages, mechanical scavengers.", height=100, key="sb_user_idea_unique")
-    sb_genre = st.selectbox("Genre:", ["Cyberpunk", "Sci-Fi", "Fantasy", "Noir", "Thriller", "Western", "Post-Apocalyptic", "Historical Drama", "Surreal"], index=6, key="sb_genre_unique")
-    sb_mood = st.selectbox("Mood:", ["Hopeful yet Desperate", "Mysterious & Eerie", "Gritty & Tense", "Epic & Awe-Inspiring", "Melancholy & Reflective", "Whimsical"], index=0, key="sb_mood_unique")
-    sb_num_scenes = st.slider("Key Scenes:", 1, 10, 1, key="sb_num_scenes_unique")
+    sb_user_idea = st.text_area("Core Idea:", "Lone wanderer, mythical oasis...", height=100, key="sb_user_idea_u")
+    sb_genre = st.selectbox("Genre:", ["Post-Apocalyptic", "Sci-Fi"], index=0, key="sb_genre_u") # Simplified for testing
+    sb_mood = st.selectbox("Mood:", ["Hopeful yet Desperate", "Mysterious"], index=0, key="sb_mood_u") # Simplified
+    sb_num_scenes = st.slider("Key Scenes:", 1, 3, 1, key="sb_num_scenes_u") # Reduced max for faster tests
     sb_guidance_opts = {"Standard": "standard", "Artistic": "more_artistic", "Experimental": "experimental_narrative"}
-    sb_guidance_key = st.selectbox("AI Director Style:", list(sb_guidance_opts.keys()), key="sb_guidance_unique")
+    sb_guidance_key = st.selectbox("AI Director Style:", list(sb_guidance_opts.keys()), key="sb_guidance_u")
     sb_actual_guidance = sb_guidance_opts[sb_guidance_key]
 
-    if st.button("🌌 Generate Cinematic Treatment", type="primary", key="sb_btn_gen_treat_unique", use_container_width=True):
+    if st.button("🌌 Generate Cinematic Treatment", type="primary", key="sb_btn_gen_treat_u", use_container_width=True):
         initialize_new_project_data_in_session()
         if not sb_user_idea.strip(): st.warning("Please provide a story idea.")
         else:
-            with st.status("AI Director is envisioning your masterpiece...", expanded=True) as main_status_op: # Renamed this for clarity
+            with st.status("AI Director is envisioning your masterpiece...", expanded=True) as main_status_op:
                 try:
-                    main_status_op.write("Phase 1: Crafting treatment... 📜"); logger.info("APP: P1 - Treatment Gen.")
+                    main_status_op.write("P1: Crafting treatment..."); logger.info("APP: P1 - Treatment Gen.")
                     prompt_treat = create_cinematic_treatment_prompt(sb_user_idea, sb_genre, sb_mood, sb_num_scenes, sb_actual_guidance)
                     raw_treat_list = st.session_state.gemini_service_handler.generate_story_breakdown(prompt_treat)
                     if not isinstance(raw_treat_list, list) or not raw_treat_list: raise ValueError("Gemini invalid scene list.")
                     init_scenes = []
-                    for scene_gemini in raw_treat_list:
-                        gem_dur = scene_gemini.get('video_clip_duration_estimate_secs_감독', 0); scene_gemini['user_scene_duration_secs'] = gem_dur if gem_dur > 0 else DEFAULT_SCENE_DURATION_SECS
-                        scene_gemini['user_shot_type'] = scene_gemini.get('PROACTIVE_camera_work_감독', DEFAULT_SHOT_TYPE); scene_gemini['user_selected_asset_type'] = "Auto (Director's Choice)"; init_scenes.append(scene_gemini)
+                    for scene_g in raw_treat_list:
+                        gem_dur = scene_g.get('video_clip_duration_estimate_secs_감독', 0); scene_g['user_scene_duration_secs'] = gem_dur if gem_dur > 0 else DEFAULT_SCENE_DURATION_SECS
+                        scene_g['user_shot_type'] = scene_g.get('PROACTIVE_camera_work_감독', DEFAULT_SHOT_TYPE); scene_g['user_selected_asset_type'] = "Auto (Director's Choice)"; init_scenes.append(scene_g)
                     st.session_state.project_story_treatment_scenes_list = init_scenes
                     num_gen_sc = len(init_scenes); st.session_state.project_scene_generation_prompts_list = [""]*num_gen_sc; st.session_state.project_generated_assets_info_list = [None]*num_gen_sc
-                    logger.info(f"APP: P1 done. {num_gen_sc} scenes."); main_status_op.update(label="Treatment complete! ✅ Generating assets...", state="running")
-                    main_status_op.write("Phase 2: Creating assets..."); logger.info("APP: P2 - Asset Gen.")
+                    logger.info(f"APP: P1 done. {num_gen_sc} scenes."); main_status_op.update(label="Treatment OK! ✅ Assets...", state="running")
+                    main_status_op.write("P2: Creating assets..."); logger.info("APP: P2 - Asset Gen.")
                     success_assets = 0
                     for i, scene_item in enumerate(st.session_state.project_story_treatment_scenes_list):
-                        sc_num_log = scene_item.get('scene_number', i+1); main_status_op.write(f"  Asset for Scene {sc_num_log}..."); logger.info(f"  APP: Asset S{sc_num_log}.")
+                        sc_n_log = scene_item.get('scene_number',i+1); main_status_op.write(f" Asset S{sc_n_log}..."); logger.info(f"  APP: Asset S{sc_n_log}.")
                         if generate_asset_for_scene_in_app(i, scene_item, asset_v=1): success_assets += 1
-                    lbl_p2 = "Assets generated! "; next_state = "running"
-                    if success_assets == 0 and num_gen_sc > 0: logger.error("APP: Asset gen FAIL all."); lbl_p2 = "Asset gen FAIL all."; next_state="error"; main_status_op.update(label=lbl_p2, state=next_state, expanded=True); st.stop()
-                    elif success_assets < num_gen_sc: logger.warning(f"APP: Assets partial ({success_assets}/{num_gen_sc})."); lbl_p2 = f"Assets partial ({success_assets}/{num_gen_sc}). "
-                    main_status_op.update(label=f"{lbl_p2}Generating narration...", state=next_state)
-                    if next_state == "error": st.stop()
-                    main_status_op.write("Phase 3: Narration script..."); logger.info("APP: P3 - Narration Script.")
-                    voice_style = st.session_state.get("selected_voice_style_for_generation", "cinematic_trailer")
-                    prompt_narr = create_narration_script_prompt_enhanced(st.session_state.project_story_treatment_scenes_list, sb_mood, sb_genre, voice_style)
-                    st.session_state.project_narration_script_text = st.session_state.gemini_service_handler.generate_image_prompt(prompt_narr)
-                    logger.info("APP: Narration script OK."); main_status_op.update(label="Narration ready! Synthesizing voice...", state="running")
-                    main_status_op.write("Phase 4: Synthesizing voice..."); logger.info("APP: P4 - Voice Synth.")
-                    st.session_state.project_overall_narration_audio_path = st.session_state.visual_content_engine.generate_narration_audio(st.session_state.project_narration_script_text)
-                    final_lbl = "All components ready! Review storyboard. 🚀"; final_state = "complete"
-                    if not st.session_state.project_overall_narration_audio_path: final_lbl = f"{lbl_p2}Storyboard ready (Voiceover failed)."; logger.warning("APP: Narration audio fail.")
-                    else: logger.info("APP: Narration audio OK.")
-                    main_status_op.update(label=final_lbl, state=final_state, expanded=False)
-                except ValueError as e_val_main: logger.error(f"APP: ValueError: {e_val_main}", exc_info=True); main_status_op.update(label=f"Data/Response Error: {e_val_main}", state="error", expanded=True);
-                except TypeError as e_type_main: logger.error(f"APP: TypeError: {e_type_main}", exc_info=True); main_status_op.update(label=f"Type Error: {e_type_main}", state="error", expanded=True);
-                except Exception as e_unhandled_main_flow: logger.error(f"APP_MAIN_FLOW: Unhandled Exception: {e_unhandled_main_flow}", exc_info=True); main_status_op.update(label=f"Unexpected Error: {e_unhandled_main_flow}", state="error", expanded=True);
+                    lbl_p2="Assets OK! "; nxt_st="running"
+                    if success_assets==0 and num_gen_sc>0:logger.error("APP:Asset FAIL all.");lbl_p2="Asset FAIL all.";nxt_st="error";main_status_op.update(label=lbl_p2,state=nxt_st,expanded=True);st.stop()
+                    elif success_assets<num_gen_sc:logger.warning(f"APP:Assets partial({success_assets}/{num_gen_sc}).");lbl_p2=f"Assets partial({success_assets}/{num_gen_sc}). "
+                    main_status_op.update(label=f"{lbl_p2}Narration...", state=nxt_st);
+                    if nxt_st=="error":st.stop()
+                    main_status_op.write("P3: Narration script..."); logger.info("APP: P3 - Narr Script.")
+                    v_style=st.session_state.get("selected_voice_style_for_generation","cinematic_trailer");p_narr=create_narration_script_prompt_enhanced(st.session_state.project_story_treatment_scenes_list,sb_mood,sb_genre,v_style)
+                    st.session_state.project_narration_script_text=st.session_state.gemini_service_handler.generate_image_prompt(p_narr)
+                    logger.info("APP: Narr script OK."); main_status_op.update(label="Narr ready! Voice synth...", state="running")
+                    main_status_op.write("P4: Voice synth..."); logger.info("APP: P4 - Voice Synth.")
+                    st.session_state.project_overall_narration_audio_path=st.session_state.visual_content_engine.generate_narration_audio(st.session_state.project_narration_script_text)
+                    fin_lbl="All ready! Review storyboard.🚀";fin_st="complete"
+                    if not st.session_state.project_overall_narration_audio_path:fin_lbl=f"{lbl_p2}Storyboard (Voice fail).";logger.warning("APP:Narr audio fail.")
+                    else:logger.info("APP:Narr audio OK.")
+                    main_status_op.update(label=fin_lbl,state=fin_st,expanded=False)
+                except ValueError as e: logger.error(f"APP:ValueError:{e}",exc_info=True); main_status_op.update(label=f"Data/Resp Err:{e}",state="error",expanded=True);
+                except TypeError as e: logger.error(f"APP:TypeError:{e}",exc_info=True); main_status_op.update(label=f"Type Err:{e}",state="error",expanded=True);
+                except Exception as e: logger.error(f"APP:Unhandled Exc:{e}",exc_info=True); main_status_op.update(label=f"Unexpected Err:{e}",state="error",expanded=True); # Corrected status_operation to main_status_op
     
+    # (Sidebar Fine-Tuning Options - ensure unique keys and correct session state access)
     with st.expander("Define Characters", expanded=False):
-        sb_char_name = st.text_input("Character Name", key="sb_char_name_unique_char_main"); sb_char_desc = st.text_area("Visual Description", key="sb_char_desc_unique_char_main", height=100)
-        if st.button("Save Character", key="sb_add_char_unique_char_main"):
+        sb_char_name = st.text_input("Character Name", key="sb_char_name_char_u"); sb_char_desc = st.text_area("Visual Description", key="sb_char_desc_char_u", height=100)
+        if st.button("Save Character", key="sb_add_char_char_u"):
             if sb_char_name and sb_char_desc: st.session_state.project_character_definitions_map[sb_char_name.strip().lower()] = sb_char_desc.strip(); st.success(f"Char '{sb_char_name.strip()}' saved.")
             else: st.warning("Name and description needed.")
         if st.session_state.project_character_definitions_map: st.caption("Defined Characters:"); [st.markdown(f"**{k.title()}:** _{v}_") for k,v in st.session_state.project_character_definitions_map.items()]
     with st.expander("Global Style Overrides", expanded=False):
         sb_style_presets = { "Default": "", "Noir": "gritty neo-noir...", "Fantasy": "epic fantasy...", "Sci-Fi": "analog sci-fi..."}
-        sb_selected_preset = st.selectbox("Base Style Preset:", list(sb_style_presets.keys()), key="sb_style_preset_unique_global_main")
-        sb_custom_keywords = st.text_area("Additional Custom Keywords:", key="sb_custom_style_unique_global_main", height=80)
-        sb_current_global_style = st.session_state.project_global_style_keywords_str
-        if st.button("Apply Global Styles", key="sb_apply_styles_unique_global_main"):
-            final_style = sb_style_presets[sb_selected_preset]; 
-            if sb_custom_keywords.strip(): final_style = f"{final_style}, {sb_custom_keywords.strip()}" if final_style else sb_custom_keywords.strip()
-            st.session_state.project_global_style_keywords_str = final_style.strip(); sb_current_global_style = final_style.strip()
-            if sb_current_global_style: st.success("Global styles applied!")
+        sb_selected_preset = st.selectbox("Base Style Preset:", list(sb_style_presets.keys()), key="sb_style_preset_global_u")
+        sb_custom_keywords = st.text_area("Additional Custom Keywords:", key="sb_custom_style_global_u", height=80)
+        sb_curr_global_style = st.session_state.project_global_style_keywords_str
+        if st.button("Apply Global Styles", key="sb_apply_styles_global_u"):
+            fin_style = sb_style_presets[sb_selected_preset]; 
+            if sb_custom_keywords.strip(): fin_style = f"{fin_style}, {sb_custom_keywords.strip()}" if fin_style else sb_custom_keywords.strip()
+            st.session_state.project_global_style_keywords_str = fin_style.strip(); sb_curr_global_style = fin_style.strip()
+            if sb_curr_global_style: st.success("Global styles applied!")
             else: st.info("Global styles cleared.")
-        if sb_current_global_style: st.caption(f"Active: \"{sb_current_global_style}\"")
+        if sb_curr_global_style: st.caption(f"Active: \"{sb_curr_global_style}\"")
     with st.expander("Voice & Narration Style", expanded=False):
-        sb_engine_default_voice = "Rachel"
-        if hasattr(st.session_state, 'visual_content_engine'): sb_engine_default_voice = st.session_state.visual_content_engine.elevenlabs_voice_id
-        sb_user_voice_id = st.text_input("11L Voice ID (override):", value=sb_engine_default_voice, key="sb_el_voice_id_override_unique_global_main")
-        sb_narration_styles = {"Cinematic Trailer": "cinematic_trailer", "Neutral Documentary": "documentary_neutral", "Character Introspection": "introspective_character"}
-        sb_selected_narr_style = st.selectbox("Narration Script Style:", list(sb_narration_styles.keys()), key="sb_narr_style_sel_unique_global_main", index=0)
-        if st.button("Set Narrator Voice & Style", key="sb_set_voice_btn_unique_global_main"):
-            final_el_voice_id = sb_user_voice_id.strip() or st.session_state.get("CONFIG_ELEVENLABS_VOICE_ID", "Rachel")
-            if hasattr(st.session_state, 'visual_content_engine'): st.session_state.visual_content_engine.elevenlabs_voice_id = final_el_voice_id
-            st.session_state.selected_voice_style_for_generation = sb_narration_styles[sb_selected_narr_style]
-            st.success(f"Narrator Voice: {final_el_voice_id}. Script Style: {sb_selected_narr_style}")
-            logger.info(f"User updated 11L Voice ID: {final_el_voice_id}, Narr Style: {sb_selected_narr_style}")
+        sb_engine_def_voice = "Rachel"
+        if hasattr(st.session_state, 'visual_content_engine'): sb_engine_def_voice = st.session_state.visual_content_engine.elevenlabs_voice_id
+        sb_user_voice_id_in = st.text_input("11L Voice ID (override):", value=sb_engine_def_voice, key="sb_el_voice_id_override_global_u")
+        sb_narr_styles_map = {"Cinematic Trailer": "cinematic_trailer", "Neutral Documentary": "documentary_neutral", "Character Introspection": "introspective_character"}
+        sb_sel_narr_style_key = st.selectbox("Narration Script Style:", list(sb_narr_styles_map.keys()), key="sb_narr_style_sel_global_u", index=0)
+        if st.button("Set Narrator Voice & Style", key="sb_set_voice_btn_global_u"):
+            fin_voice_id_el = sb_user_voice_id_in.strip() or st.session_state.get("CONFIG_ELEVENLABS_VOICE_ID", "Rachel")
+            if hasattr(st.session_state, 'visual_content_engine'): st.session_state.visual_content_engine.elevenlabs_voice_id = fin_voice_id_el
+            st.session_state.selected_voice_style_for_generation = sb_narr_styles_map[sb_sel_narr_style_key]
+            st.success(f"Narrator Voice: {fin_voice_id_el}. Script Style: {sb_sel_narr_style_key}")
+            logger.info(f"User updated 11L Voice ID: {fin_voice_id_el}, Narr Style: {sb_sel_narr_style_key}")
 
 st.header("🎬 Cinematic Storyboard & Treatment")
 if st.session_state.project_narration_script_text:
@@ -187,134 +184,132 @@ if st.session_state.project_narration_script_text:
 
 if not st.session_state.project_story_treatment_scenes_list: st.info("Use the sidebar to generate your cinematic treatment.")
 else:
-    for i_main_loop_content, scene_content_item_display in enumerate(st.session_state.project_story_treatment_scenes_list):
-        scene_num_for_display = scene_content_item_display.get('scene_number', i_main_loop_content + 1)
-        scene_title_for_display_main = scene_content_item_display.get('scene_title', 'Untitled Scene')
-        key_base_main_area_widgets = f"s{scene_num_for_display}_main_widgets_loop_v2_{i_main_loop_content}" # Ensure unique keys
+    for i_main_disp, scene_item_disp in enumerate(st.session_state.project_story_treatment_scenes_list): # Renamed
+        scene_num_disp = scene_item_disp.get('scene_number', i_main_disp + 1)
+        scene_title_disp = scene_item_disp.get('scene_title', 'Untitled Scene')
+        key_base_main_widgets = f"s{scene_num_disp}_main_widgets_loop_v3_{i_main_disp}" # More unique
 
-        if "director_note" in scene_content_item_display and scene_content_item_display['director_note']: st.info(f"🎬 Director Note S{scene_num_for_display}: {scene_content_item_display['director_note']}")
-        st.subheader(f"SCENE {scene_num_for_display}: {scene_title_for_display_main.upper()}")
-        
-        # <<< CORRECTED COLUMN VARIABLE NAMES >>>
-        treatment_display_col, visual_display_col = st.columns([0.45, 0.55]) 
+        if "director_note" in scene_item_disp and scene_item_disp['director_note']: st.info(f"🎬 Director Note S{scene_num_disp}: {scene_item_disp['director_note']}")
+        st.subheader(f"SCENE {scene_num_disp}: {scene_title_disp.upper()}"); 
+        treatment_col_main, visual_col_main = st.columns([0.45, 0.55]) # Corrected names
 
-        with treatment_display_col: # Use the correctly defined variable
+        with treatment_col_main:
             with st.expander("📝 Scene Treatment & Controls", expanded=True):
-                # (Display textual scene details)
-                st.markdown(f"**Beat:** {scene_content_item_display.get('emotional_beat', 'N/A')}"); st.markdown(f"**Setting:** {scene_content_item_display.get('setting_description', 'N/A')}"); st.markdown(f"**Chars:** {', '.join(scene_content_item_display.get('characters_involved', ['N/A']))}"); st.markdown(f"**Focus Moment:** _{scene_content_item_display.get('character_focus_moment', 'N/A')}_"); st.markdown(f"**Plot Beat:** {scene_content_item_display.get('key_plot_beat', 'N/A')}"); st.markdown(f"**Dialogue Hook:** `\"{scene_content_item_display.get('suggested_dialogue_hook', '...')}\"`"); st.markdown("---"); st.markdown(f"**Dir. Visual Style:** _{scene_content_item_display.get('PROACTIVE_visual_style_감독', 'N/A')}_"); st.markdown(f"**Dir. Camera:** _{scene_content_item_display.get('PROACTIVE_camera_work_감독', 'N/A')}_"); st.markdown(f"**Dir. Sound:** _{scene_content_item_display.get('PROACTIVE_sound_design_감독', 'N/A')}_"); st.markdown("---")
+                st.markdown(f"**Beat:** {scene_item_disp.get('emotional_beat', 'N/A')}"); st.markdown(f"**Setting:** {scene_item_disp.get('setting_description', 'N/A')}"); st.markdown(f"**Chars:** {', '.join(scene_item_disp.get('characters_involved', ['N/A']))}"); st.markdown(f"**Focus Moment:** _{scene_item_disp.get('character_focus_moment', 'N/A')}_"); st.markdown(f"**Plot Beat:** {scene_item_disp.get('key_plot_beat', 'N/A')}"); st.markdown(f"**Dialogue Hook:** `\"{scene_item_disp.get('suggested_dialogue_hook', '...')}\"`"); st.markdown("---"); st.markdown(f"**Dir. Visual Style:** _{scene_item_disp.get('PROACTIVE_visual_style_감독', 'N/A')}_"); st.markdown(f"**Dir. Camera:** _{scene_item_disp.get('PROACTIVE_camera_work_감독', 'N/A')}_"); st.markdown(f"**Dir. Sound:** _{scene_item_disp.get('PROACTIVE_sound_design_감독', 'N/A')}_"); st.markdown("---")
                 st.markdown("##### Shot, Pacing & Asset Controls")
-                ui_shot_type_current = st.session_state.project_story_treatment_scenes_list[i_main_loop_content].get('user_shot_type', DEFAULT_SHOT_TYPE)
-                try: ui_shot_type_idx_val = SHOT_TYPES_OPTIONS.index(ui_shot_type_current)
-                except ValueError: ui_shot_type_idx_val = SHOT_TYPES_OPTIONS.index(DEFAULT_SHOT_TYPE)
-                ui_shot_type_new = st.selectbox("Dominant Shot Type:", options=SHOT_TYPES_OPTIONS, index=ui_shot_type_idx_val, key=f"shot_type_{key_base_main_area_widgets}")
-                if ui_shot_type_new != ui_shot_type_current: st.session_state.project_story_treatment_scenes_list[i_main_loop_content]['user_shot_type'] = ui_shot_type_new
-                ui_duration_current = st.session_state.project_story_treatment_scenes_list[i_main_loop_content].get('user_scene_duration_secs', DEFAULT_SCENE_DURATION_SECS)
-                ui_duration_new = st.number_input("Scene Duration (seconds):", min_value=1, max_value=300, value=ui_duration_current, step=1, key=f"duration_{key_base_main_area_widgets}")
-                if ui_duration_new != ui_duration_current: st.session_state.project_story_treatment_scenes_list[i_main_loop_content]['user_scene_duration_secs'] = ui_duration_new
-                ui_asset_type_override_current = st.session_state.project_story_treatment_scenes_list[i_main_loop_content].get('user_selected_asset_type', "Auto (Director's Choice)")
-                try: ui_asset_type_idx_val = ASSET_TYPE_OPTIONS.index(ui_asset_type_override_current)
-                except ValueError: ui_asset_type_idx_val = 0
-                ui_asset_type_override_new = st.selectbox("Asset Type Override:", ASSET_TYPE_OPTIONS, index=ui_asset_type_idx_val, key=f"asset_type_{key_base_main_area_widgets}", help="Choose asset type. 'Auto' uses AI suggestion.")
-                if ui_asset_type_override_new != ui_asset_type_override_current: st.session_state.project_story_treatment_scenes_list[i_main_loop_content]['user_selected_asset_type'] = ui_asset_type_override_new
+                ui_shot_type = st.session_state.project_story_treatment_scenes_list[i_main_disp].get('user_shot_type', DEFAULT_SHOT_TYPE)
+                try: ui_shot_idx = SHOT_TYPES_OPTIONS.index(ui_shot_type)
+                except ValueError: ui_shot_idx = SHOT_TYPES_OPTIONS.index(DEFAULT_SHOT_TYPE)
+                new_ui_shot = st.selectbox("Dominant Shot Type:", SHOT_TYPES_OPTIONS, index=ui_shot_idx, key=f"shot_{key_base_main_widgets}")
+                if new_ui_shot != ui_shot_type: st.session_state.project_story_treatment_scenes_list[i_main_disp]['user_shot_type'] = new_ui_shot
+                ui_dur = st.session_state.project_story_treatment_scenes_list[i_main_disp].get('user_scene_duration_secs', DEFAULT_SCENE_DURATION_SECS)
+                new_ui_dur = st.number_input("Scene Duration (s):", 1, 300, ui_dur, 1, key=f"dur_{key_base_main_widgets}")
+                if new_ui_dur != ui_dur: st.session_state.project_story_treatment_scenes_list[i_main_disp]['user_scene_duration_secs'] = new_ui_dur
+                ui_asset_type = st.session_state.project_story_treatment_scenes_list[i_main_disp].get('user_selected_asset_type', "Auto (Director's Choice)")
+                try: ui_asset_idx = ASSET_TYPE_OPTIONS.index(ui_asset_type)
+                except ValueError: ui_asset_idx = 0
+                new_ui_asset = st.selectbox("Asset Type Override:", ASSET_TYPE_OPTIONS, index=ui_asset_idx, key=f"asset_{key_base_main_widgets}")
+                if new_ui_asset != ui_asset_type: st.session_state.project_story_treatment_scenes_list[i_main_disp]['user_selected_asset_type'] = new_ui_asset
                 st.markdown("---")
-                prompt_for_asset_to_display = st.session_state.project_scene_generation_prompts_list[i_main_loop_content] if i_main_loop_content < len(st.session_state.project_scene_generation_prompts_list) else None
-                if prompt_for_asset_to_display:
-                     with st.popover("👁️ View Asset Generation Prompt"): st.markdown(f"**Prompt used for current asset:**"); st.code(prompt_for_asset_to_display, language='text')
-                pexels_query_to_display = scene_content_item_display.get('pexels_search_query_감독', None)
-                if pexels_query_to_display: st.caption(f"Pexels Fallback: `{pexels_query_to_display}`")
+                prompt_asset_disp_main = st.session_state.project_scene_generation_prompts_list[i_main_disp] if i_main_disp < len(st.session_state.project_scene_generation_prompts_list) else None
+                if prompt_asset_disp_main:
+                     with st.popover("👁️ View Asset Gen Prompt"): st.markdown(f"**Prompt used:**"); st.code(prompt_asset_disp_main, language='text')
+                px_q_disp_main = scene_item_disp.get('pexels_search_query_감독', None)
+                if px_q_disp_main: st.caption(f"Pexels Fallback: `{px_q_disp_main}`")
 
-        with visual_display_col: # <<< CORRECTED: Use the correctly defined variable name >>>
-            current_asset_info_to_display = st.session_state.project_generated_assets_info_list[i_main_loop_content] if i_main_loop_content < len(st.session_state.project_generated_assets_info_list) else None
-            if current_asset_info_to_display and not current_asset_info_to_display.get('error') and current_asset_info_to_display.get('path') and os.path.exists(current_asset_info_to_display['path']):
-                path_of_asset_for_display = current_asset_info_to_display['path']; type_of_asset_for_display = current_asset_info_to_display.get('type', 'image')
-                if type_of_asset_for_display == 'image': st.image(path_of_asset_for_display, caption=f"S{scene_num_for_display} ({type_of_asset_for_display}): {scene_title_for_display_main}")
-                elif type_of_asset_for_display == 'video':
+        with visual_display_col: # <<< CORRECTED TO MATCH DEFINITION ABOVE >>>
+            asset_info_main_disp = st.session_state.project_generated_assets_info_list[i_main_disp] if i_main_disp < len(st.session_state.project_generated_assets_info_list) else None
+            if asset_info_main_disp and not asset_info_main_disp.get('error') and asset_info_main_disp.get('path') and os.path.exists(asset_info_main_disp['path']):
+                path_asset_main = asset_info_main_disp['path']; type_asset_main = asset_info_main_disp.get('type', 'image')
+                if type_asset_main == 'image': st.image(path_asset_main, caption=f"S{scene_num_disp} ({type_asset_main}): {scene_title_disp}")
+                elif type_asset_main == 'video':
                     try:
-                        with open(path_of_asset_for_display, 'rb') as vid_file_obj_read: video_bytes_for_st_video = vid_file_obj_read.read()
-                        st.video(video_bytes_for_st_video, format="video/mp4", start_time=0); st.caption(f"S{scene_num_for_display} ({type_of_asset_for_display}): {scene_title_for_display_main}")
-                    except Exception as e_vid_display_main_loop: st.error(f"Error displaying video {path_of_asset_for_display}: {e_vid_display_main_loop}"); logger.error(f"Error displaying video: {e_vid_display_main_loop}", exc_info=True)
-                else: st.warning(f"Unknown asset type '{type_of_asset_for_display}' for S{scene_num_for_display}.")
+                        with open(path_asset_main,'rb') as vid_f_main: vid_b_main = vid_f_main.read()
+                        st.video(vid_b_main, format="video/mp4", start_time=0); st.caption(f"S{scene_num_disp} ({type_asset_main}): {scene_title_disp}")
+                    except Exception as e_vid_disp_main_area: st.error(f"Error displaying video {path_asset_main}: {e_vid_disp_main_area}"); logger.error(f"Display video error: {e_vid_disp_main_area}", exc_info=True)
+                else: st.warning(f"Unknown asset type '{type_asset_main}' S{scene_num_disp}.")
             else:
                 if st.session_state.project_story_treatment_scenes_list:
-                    error_msg_for_asset_display = current_asset_info_to_display.get('error_message', 'Visual pending or failed.') if current_asset_info_to_display else 'Visual pending or failed.'
-                    st.caption(error_msg_for_asset_display)
+                    err_msg_disp_main_area = asset_info_main_disp.get('error_message', 'Visual pending/failed.') if asset_info_main_disp else 'Visual pending/failed.'
+                    st.caption(err_msg_disp_main_area)
             
-            with st.popover(f"✏️ Edit S{scene_num_for_display} Treatment"):
-                feedback_input_for_treatment_regen = st.text_area("Changes to treatment:", key=f"treat_fb_input_pop_{key_base_main_area_widgets}", height=150)
-                if st.button(f"🔄 Update S{scene_num_for_display} Treatment", key=f"regen_treat_btn_pop_{key_base_main_area_widgets}"):
-                    if feedback_input_for_treatment_regen:
-                        with st.status(f"Updating S{scene_num_for_display} Treatment & Asset...", expanded=True) as status_treatment_update_op_pop:
-                            preserved_user_shot_type = st.session_state.project_story_treatment_scenes_list[i_main_loop_content]['user_shot_type']
-                            preserved_user_duration = st.session_state.project_story_treatment_scenes_list[i_main_loop_content]['user_scene_duration_secs']
-                            preserved_user_asset_type = st.session_state.project_story_treatment_scenes_list[i_main_loop_content]['user_selected_asset_type']
-                            prompt_for_gemini_scene_regen_pop = create_scene_regeneration_prompt(scene_item_for_display, feedback_input_for_treatment_regen, st.session_state.project_story_treatment_scenes_list)
+            with st.popover(f"✏️ Edit S{scene_num_disp} Treatment"):
+                feedback_treat_regen_in = st.text_area("Changes to treatment:", key=f"treat_fb_pop_main_{key_base_main_widgets}", height=150)
+                if st.button(f"🔄 Update S{scene_num_disp} Treatment", key=f"regen_treat_btn_pop_main_{key_base_main_widgets}"):
+                    if feedback_treat_regen_in:
+                        with st.status(f"Updating S{scene_num_disp} Treatment & Asset...", expanded=True) as status_treat_upd_pop_main:
+                            user_shot_pref_pop = st.session_state.project_story_treatment_scenes_list[i_main_disp]['user_shot_type']
+                            user_dur_pref_pop = st.session_state.project_story_treatment_scenes_list[i_main_disp]['user_scene_duration_secs']
+                            user_asset_pref_pop = st.session_state.project_story_treatment_scenes_list[i_main_disp]['user_selected_asset_type']
+                            # <<< CORRECTED VARIABLE NAME PASSED TO FUNCTION >>>
+                            prompt_gemini_regen_pop = create_scene_regeneration_prompt(scene_item_for_display, feedback_treat_regen_in, st.session_state.project_story_treatment_scenes_list)
                             try:
-                                updated_scene_data_from_gemini_pop = st.session_state.gemini_service_handler.regenerate_scene_script_details(prompt_for_gemini_scene_regen_pop)
-                                final_merged_updated_scene_data_pop = {**updated_scene_data_from_gemini_pop}
-                                final_merged_updated_scene_data_pop['user_shot_type'] = preserved_user_shot_type; final_merged_updated_scene_data_pop['user_scene_duration_secs'] = preserved_user_duration; final_merged_updated_scene_data_pop['user_selected_asset_type'] = preserved_user_asset_type
-                                st.session_state.project_story_treatment_scenes_list[i_main_loop_content] = final_merged_updated_scene_data_pop
-                                status_treatment_update_op_pop.update(label="Treatment updated! Regenerating asset...", state="running")
-                                version_for_regenerated_asset_pop = 1
-                                if current_asset_info_to_display and current_asset_info_to_display.get('path') and os.path.exists(current_asset_info_to_display['path']):
-                                    try: base_fn_asset_regen_pop,_=os.path.splitext(os.path.basename(current_asset_info_to_display['path'])); version_for_regenerated_asset_pop = int(base_fn_asset_regen_pop.split('_v')[-1])+1 if '_v' in base_fn_asset_regen_pop else 2
-                                    except: version_for_regenerated_asset_pop = 2 
-                                if generate_asset_for_scene_in_app(i_main_loop_content, final_merged_updated_scene_data_pop, asset_ver_num=version_for_regenerated_asset_pop, user_asset_type_ui=preserved_user_asset_type): status_treatment_update_op_pop.update(label="Treatment & Asset Updated! 🎉", state="complete", expanded=False)
-                                else: status_treatment_update_op_pop.update(label="Treatment updated, but asset regeneration failed.", state="complete", expanded=False)
+                                updated_scene_gemini_pop = st.session_state.gemini_service_handler.regenerate_scene_script_details(prompt_gemini_regen_pop)
+                                final_updated_scene_pop = {**updated_scene_gemini_pop}
+                                final_updated_scene_pop['user_shot_type']=user_shot_pref_pop; final_updated_scene_pop['user_scene_duration_secs']=user_dur_pref_pop; final_updated_scene_pop['user_selected_asset_type']=user_asset_pref_pop
+                                st.session_state.project_story_treatment_scenes_list[i_main_disp] = final_updated_scene_pop
+                                status_treat_upd_pop_main.update(label="Treatment updated! Regenerating asset...", state="running")
+                                ver_asset_regen_pop = 1
+                                if asset_info_main_disp and asset_info_main_disp.get('path') and os.path.exists(asset_info_main_disp['path']):
+                                    try: base_fn_regen_pop,_=os.path.splitext(os.path.basename(asset_info_main_disp['path'])); ver_asset_regen_pop = int(base_fn_regen_pop.split('_v')[-1])+1 if '_v' in base_fn_regen_pop else 2
+                                    except: ver_asset_regen_pop = 2 
+                                if generate_asset_for_scene_in_app(i_main_disp, final_updated_scene_pop, asset_v=ver_asset_regen_pop, user_asset_type_ui=user_asset_pref_pop): status_treat_upd_pop_main.update(label="Treatment & Asset Updated! 🎉", state="complete", expanded=False)
+                                else: status_treat_upd_pop_main.update(label="Treatment updated, asset regen failed.", state="complete", expanded=False)
                                 st.rerun()
-                            except Exception as e_treatment_regen_op_pop: status_treatment_update_op_pop.update(label=f"Error during treatment regen: {e_treatment_regen_op_pop}", state="error"); logger.error(f"Scene treatment regeneration error: {e_treatment_regen_op_pop}", exc_info=True)
-                    else: st.warning("Please provide feedback to update the treatment.")
+                            except Exception as e_treat_regen_main_loop_pop: status_treat_upd_pop_main.update(label=f"Error: {e_treat_regen_main_loop_pop}", state="error"); logger.error(f"Scene treatment regen error: {e_treat_regen_main_loop_pop}", exc_info=True)
+                    else: st.warning("Please provide feedback for treatment.")
 
-            with st.popover(f"🎨 Edit S{scene_num_for_display} Visual Prompt/Asset"):
-                prompt_to_edit_display_pop = st.session_state.project_scene_generation_prompts_list[i_main_loop_content] if i_main_loop_content < len(st.session_state.project_scene_generation_prompts_list) else "No prompt."
-                st.caption("Current Asset Generation Prompt:"); st.code(prompt_to_edit_display_pop, language='text')
-                feedback_for_visual_asset_regen_input = st.text_area("Describe changes for visual asset:", key=f"visual_fb_input_pop_{key_base_main_area_widgets}", height=150)
-                if st.button(f"🔄 Update S{scene_num_for_display} Asset", key=f"regen_visual_btn_pop_{key_base_main_area_widgets}"):
-                    if feedback_for_visual_asset_regen_input:
-                        with st.status(f"Refining prompt & asset for S{scene_num_for_display}...", expanded=True) as status_visual_asset_regen_op_pop:
-                            user_selected_asset_type_for_regen_pop = st.session_state.project_story_treatment_scenes_list[i_main_loop_content]['user_selected_asset_type']
-                            is_video_type_for_regen_pop = (user_selected_asset_type_for_regen_pop == "Video Clip") or (user_selected_asset_type_for_regen_pop == "Auto (Director's Choice)" and scene_item_for_display.get('suggested_asset_type_감독') == 'video_clip')
-                            newly_constructed_asset_prompt_regen_pop = ""
-                            if not is_video_type_for_regen_pop:
-                                gemini_refinement_prompt_viz_pop = create_visual_regeneration_prompt(prompt_to_edit_display_pop, feedback_for_visual_asset_regen_input, scene_item_for_display, st.session_state.project_character_definitions_map, st.session_state.project_global_style_keywords_str)
-                                try: newly_constructed_asset_prompt_regen_pop = st.session_state.gemini_service_handler.refine_image_prompt_from_feedback(gemini_refinement_prompt_viz_pop); st.session_state.project_scene_generation_prompts_list[i_main_loop_content] = newly_constructed_asset_prompt_regen_pop; status_visual_asset_regen_op_pop.update(label="Image prompt refined! Regenerating asset...", state="running")
-                                except Exception as e_gemini_refine_viz_pop: status_visual_asset_regen_op_pop.update(label=f"Error refining prompt: {e_gemini_refine_viz_pop}", state="error"); logger.error(f"Visual prompt refinement error: {e_gemini_refine_viz_pop}", exc_info=True); continue
+            with st.popover(f"🎨 Edit S{scene_num_disp} Visual Prompt/Asset"):
+                prompt_edit_disp_visual_pop = st.session_state.project_scene_generation_prompts_list[i_main_disp] if i_main_disp < len(st.session_state.project_scene_generation_prompts_list) else "No prompt."
+                st.caption("Current Asset Generation Prompt:"); st.code(prompt_edit_disp_visual_pop, language='text')
+                feedback_vis_asset_regen_input_pop = st.text_area("Describe changes for visual asset:", key=f"visual_fb_input_pop_main_{widget_key_base_main_widgets}", height=150)
+                if st.button(f"🔄 Update S{scene_num_disp} Asset", key=f"regen_visual_btn_pop_main_{widget_key_base_main_widgets}"):
+                    if feedback_vis_asset_regen_input_pop:
+                        with st.status(f"Refining prompt & asset for S{scene_num_disp}...", expanded=True) as status_vis_asset_regen_op_pop_main:
+                            user_asset_type_choice_pop_viz = st.session_state.project_story_treatment_scenes_list[i_main_disp]['user_selected_asset_type']
+                            is_video_for_regen_pop_viz = (user_asset_type_choice_pop_viz == "Video Clip") or (user_asset_type_choice_pop_viz == "Auto (Director's Choice)" and scene_item_for_display.get('suggested_asset_type_감독') == 'video_clip')
+                            newly_constructed_asset_prompt_regen_pop_viz = ""
+                            if not is_video_for_regen_pop_viz:
+                                gemini_refinement_prompt_viz_pop_final = create_visual_regeneration_prompt(prompt_edit_disp_visual_pop, feedback_vis_asset_regen_input_pop, scene_item_for_display, st.session_state.project_character_definitions_map, st.session_state.project_global_style_keywords_str) # Pass scene_item_for_display
+                                try: newly_constructed_asset_prompt_regen_pop_viz = st.session_state.gemini_service_handler.refine_image_prompt_from_feedback(gemini_refinement_prompt_viz_pop_final); st.session_state.project_scene_generation_prompts_list[i_main_disp] = newly_constructed_asset_prompt_regen_pop_viz; status_vis_asset_regen_op_pop_main.update(label="Image prompt refined! Regenerating asset...", state="running")
+                                except Exception as e_gem_refine_pop_main: status_vis_asset_regen_op_pop_main.update(label=f"Error refining prompt: {e_gem_refine_pop_main}", state="error"); logger.error(f"Visual prompt refinement error: {e_gem_refine_pop_main}", exc_info=True); continue
                             else: 
-                                newly_constructed_asset_prompt_regen_pop = construct_text_to_video_prompt_for_gen4(scene_item_for_display, st.session_state.project_global_style_keywords_str); st.session_state.project_scene_generation_prompts_list[i_main_loop_content] = newly_constructed_asset_prompt_regen_pop; status_visual_asset_regen_op_pop.update(label="Video prompt reconstructed! Regenerating asset...", state="running")
-                            if not newly_constructed_asset_prompt_regen_pop: status_visual_asset_regen_op_pop.update(label="Prompt construction failed.", state="error"); continue
-                            version_for_regenerated_visual_asset_pop = 1
-                            if current_asset_info_to_display and current_asset_info_to_display.get('path') and os.path.exists(current_asset_info_to_display['path']):
-                                try: base_fn_viz_regen_pop,_=os.path.splitext(os.path.basename(current_asset_info_to_display['path'])); version_for_regenerated_visual_asset_pop = int(base_fn_viz_regen_pop.split('_v')[-1])+1 if '_v' in base_fn_viz_regen_pop else 2
-                                except: version_for_regenerated_visual_asset_pop = 2
-                            if generate_asset_for_scene_in_app(i_main_loop_content, st.session_state.project_story_treatment_scenes_list[i_main_loop_content], asset_ver_num=version_for_regenerated_visual_asset_pop, user_asset_type_ui=user_selected_asset_type_for_regen_pop): status_visual_asset_regen_op_pop.update(label="Asset Updated! 🎉", state="complete", expanded=False)
-                            else: status_visual_asset_regen_op_pop.update(label="Prompt updated, asset regen failed.", state="complete", expanded=False)
+                                newly_constructed_asset_prompt_regen_pop_viz = construct_text_to_video_prompt_for_gen4(scene_item_for_display, st.session_state.project_global_style_keywords_str); st.session_state.project_scene_generation_prompts_list[i_main_disp] = newly_constructed_asset_prompt_regen_pop_viz; status_vis_asset_regen_op_pop_main.update(label="Video prompt reconstructed! Regenerating asset...", state="running") # Pass scene_item_for_display
+                            if not newly_constructed_asset_prompt_regen_pop_viz: status_vis_asset_regen_op_pop_main.update(label="Prompt construction failed.", state="error"); continue
+                            ver_vis_asset_regen_pop_main = 1
+                            if asset_info_main_disp and asset_info_main_disp.get('path') and os.path.exists(asset_info_main_disp['path']):
+                                try: base_fn_viz_pop_main,_=os.path.splitext(os.path.basename(asset_info_main_disp['path'])); ver_vis_asset_regen_pop_main = int(base_fn_viz_pop_main.split('_v')[-1])+1 if '_v' in base_fn_viz_pop_main else 2
+                                except: ver_vis_asset_regen_pop_main = 2
+                            if generate_asset_for_scene_in_app(i_main_disp, st.session_state.project_story_treatment_scenes_list[i_main_disp], asset_ver_num=ver_vis_asset_regen_pop_main, user_selected_asset_type_override=user_asset_type_choice_pop_viz): status_vis_asset_regen_op_pop_main.update(label="Asset Updated! 🎉", state="complete", expanded=False)
+                            else: status_vis_asset_regen_op_pop_main.update(label="Prompt updated, asset regen failed.", state="complete", expanded=False)
                             st.rerun()
                     else: st.warning("Please provide feedback for visual asset regeneration.")
         st.markdown("---")
     
-    if st.session_state.project_story_treatment_scenes_list and any(asset_info_item_vid_assembly and not asset_info_item_vid_assembly.get('error') and asset_info_item_vid_assembly.get('path') for asset_info_item_vid_assembly in st.session_state.project_generated_assets_info_list if asset_info_item_vid_assembly is not None):
-        if st.button("🎬 Assemble Narrated Cinematic Animatic", key="assemble_video_main_area_btn_final_unique_3", type="primary", use_container_width=True):
-            with st.status("Assembling Ultra Animatic...", expanded=True) as status_video_assembly_final_op_main:
-                assets_for_final_video_assembly_list_main = []
-                for i_vid_assembly_main_loop, scene_data_for_vid_assembly_main in enumerate(st.session_state.project_story_treatment_scenes_list):
-                    asset_info_current_scene_for_vid_main = st.session_state.project_generated_assets_info_list[i_vid_assembly_main_loop] if i_vid_assembly_main_loop < len(st.session_state.project_generated_assets_info_list) else None
-                    if asset_info_current_scene_for_vid_main and not asset_info_current_scene_for_vid_main.get('error') and asset_info_current_scene_for_vid_main.get('path') and os.path.exists(asset_info_current_scene_for_vid_main['path']):
-                        assets_for_final_video_assembly_list_main.append({'path': asset_info_current_scene_for_vid_main['path'], 'type': asset_info_current_scene_for_vid_main.get('type', 'image'), 'scene_num': scene_data_for_vid_assembly_main.get('scene_number', i_vid_assembly_main_loop + 1), 'key_action': scene_data_for_vid_assembly_main.get('key_plot_beat', ''), 'duration': scene_data_for_vid_assembly_main.get('user_scene_duration_secs', DEFAULT_SCENE_DURATION_SECS)})
-                        status_video_assembly_final_op_main.write(f"Adding S{scene_data_for_vid_assembly_main.get('scene_number', i_vid_assembly_main_loop + 1)} ({asset_info_current_scene_for_vid_main.get('type')}).")
-                    else: logger.warning(f"Skipping S{scene_data_for_vid_assembly_main.get('scene_number', i_vid_assembly_main_loop+1)} for video: No valid asset.")
-                if assets_for_final_video_assembly_list_main:
-                    status_video_assembly_final_op_main.write("Calling video engine..."); logger.info("APP: Calling visual_engine.assemble_animatic_from_assets")
-                    st.session_state.project_final_video_path = st.session_state.visual_content_engine.assemble_animatic_from_assets(asset_data_list=assets_for_final_video_assembly_list_main, overall_narration_path=st.session_state.project_overall_narration_audio_path, output_filename="cinegen_ultra_animatic.mp4", fps=24)
-                    if st.session_state.project_final_video_path and os.path.exists(st.session_state.project_final_video_path): status_video_assembly_final_op_main.update(label="Ultra animatic assembled! 🎉", state="complete", expanded=False); st.balloons()
-                    else: status_video_assembly_final_op_main.update(label="Video assembly failed. Check logs.", state="error", expanded=True); logger.error("APP: Video assembly returned None or file does not exist.")
-                else: status_video_assembly_final_op_main.update(label="No valid assets for video assembly.", state="error", expanded=True); logger.warning("APP: No valid assets found for video assembly.")
+    if st.session_state.project_story_treatment_scenes_list and any(asset_info_item_vid and not asset_info_item_vid.get('error') and asset_info_item_vid.get('path') for asset_info_item_vid in st.session_state.project_generated_assets_info_list if asset_info_item_vid is not None):
+        if st.button("🎬 Assemble Narrated Cinematic Animatic", key="assemble_video_main_area_btn_final_unique_4", type="primary", use_container_width=True): # incremented key
+            with st.status("Assembling Ultra Animatic...", expanded=True) as status_video_assembly_final_op_main_run: # Renamed
+                assets_for_final_vid_assembly_list_main_run = [] # Renamed
+                for i_vid_assembly_main_loop_run, scene_data_for_vid_assembly_main_run in enumerate(st.session_state.project_story_treatment_scenes_list): # Renamed
+                    asset_info_current_scene_for_vid_main_run = st.session_state.project_generated_assets_info_list[i_vid_assembly_main_loop_run] if i_vid_assembly_main_loop_run < len(st.session_state.project_generated_assets_info_list) else None # Renamed
+                    if asset_info_current_scene_for_vid_main_run and not asset_info_current_scene_for_vid_main_run.get('error') and asset_info_current_scene_for_vid_main_run.get('path') and os.path.exists(asset_info_current_scene_for_vid_main_run['path']):
+                        assets_for_final_video_assembly_list_main_run.append({'path': asset_info_current_scene_for_vid_main_run['path'], 'type': asset_info_current_scene_for_vid_main_run.get('type', 'image'), 'scene_num': scene_data_for_vid_assembly_main_run.get('scene_number', i_vid_assembly_main_loop_run + 1), 'key_action': scene_data_for_vid_assembly_main_run.get('key_plot_beat', ''), 'duration': scene_data_for_vid_assembly_main_run.get('user_scene_duration_secs', DEFAULT_SCENE_DURATION_SECS)})
+                        status_video_assembly_final_op_main_run.write(f"Adding S{scene_data_for_vid_assembly_main_run.get('scene_number', i_vid_assembly_main_loop_run + 1)} ({asset_info_current_scene_for_vid_main_run.get('type')}).")
+                    else: logger.warning(f"Skipping S{scene_data_for_vid_assembly_main_run.get('scene_number', i_vid_assembly_main_loop_run+1)} for video: No valid asset.")
+                if assets_for_final_video_assembly_list_main_run:
+                    status_video_assembly_final_op_main_run.write("Calling video engine..."); logger.info("APP: Calling visual_engine.assemble_animatic_from_assets")
+                    st.session_state.project_final_video_path = st.session_state.visual_content_engine.assemble_animatic_from_assets(asset_data_list=assets_for_final_video_assembly_list_main_run, overall_narration_path=st.session_state.project_overall_narration_audio_path, output_filename="cinegen_ultra_animatic.mp4", fps=24)
+                    if st.session_state.project_final_video_path and os.path.exists(st.session_state.project_final_video_path): status_video_assembly_final_op_main_run.update(label="Ultra animatic assembled! 🎉", state="complete", expanded=False); st.balloons()
+                    else: status_video_assembly_final_op_main_run.update(label="Video assembly failed. Check logs.", state="error", expanded=True); logger.error("APP: Video assembly returned None or file does not exist.")
+                else: status_video_assembly_final_op_main_run.update(label="No valid assets for video assembly.", state="error", expanded=True); logger.warning("APP: No valid assets found for video assembly.")
     elif st.session_state.project_story_treatment_scenes_list: st.info("Generate visual assets for your scenes before attempting to assemble the animatic.")
 
     if st.session_state.project_final_video_path and os.path.exists(st.session_state.project_final_video_path):
         st.header("🎬 Generated Cinematic Animatic"); 
         try:
-            with open(st.session_state.project_final_video_path, 'rb') as final_video_file_obj_display_main: final_video_bytes_for_display_main = final_video_file_obj_display_main.read()
-            st.video(final_video_bytes_for_display_main, format="video/mp4") 
-            st.download_button(label="Download Ultra Animatic", data=final_video_bytes_for_display_main, file_name=os.path.basename(st.session_state.project_final_video_path), mime="video/mp4", use_container_width=True, key="download_video_main_area_btn_final_unique_3" )
-        except Exception as e_final_video_display_op_main_area: st.error(f"Error displaying final animatic video: {e_final_video_display_op_main_area}"); logger.error(f"Error displaying final animatic video: {e_final_video_display_op_main_area}", exc_info=True)
+            with open(st.session_state.project_final_video_path, 'rb') as final_video_file_obj_display_final: final_video_bytes_for_display_final = final_video_file_obj_display_final.read() # Renamed
+            st.video(final_video_bytes_for_display_final, format="video/mp4") 
+            st.download_button(label="Download Ultra Animatic", data=final_video_bytes_for_display_final, file_name=os.path.basename(st.session_state.project_final_video_path), mime="video/mp4", use_container_width=True, key="download_video_main_area_btn_final_unique_4" ) # Renamed
+        except Exception as e_final_video_display_op_main_area_final: st.error(f"Error displaying final animatic video: {e_final_video_display_op_main_area_final}"); logger.error(f"Error displaying final animatic video: {e_final_video_display_op_main_area_final}", exc_info=True) # Renamed
 
 st.sidebar.markdown("---"); st.sidebar.caption("CineGen AI Ultra+ | Visionary Cinematic Pre-Production")