Update app.py

app.py

@@ -10,24 +10,27 @@ import time
 import hashlib
 from PIL import Image
 import glob
-from urllib.parse import quote
 import base64
 import io
 import streamlit.components.v1 as components
 import edge_tts
-from audio_recorder_streamlit import audio_recorder
 import nest_asyncio
-import re  # Added back the re import for regular expressions
+import re
 from streamlit_paste_button import paste_image_button
+import pytz
+import shutil
+from urllib.parse import urlencode
+from PyPDF2 import PdfReader
+import json
 
-# Patch for nested async - sneaky fix! 🐍✨
+# Patch for nested async - sneaky fix, a loop’s heroic mix, in Streamlit’s nix! 🐍✨
 nest_asyncio.apply()
 
-# Static config - constants rule! 📏👑
+# Static config - constants rule, a cosmic tool, our saga’s jewel, in shared school! 📏👑
 icons = '🤖🧠🔬📝'
 START_ROOM = "Sector 🌌"
 
-# Page setup - dressing up the window! 🖼️🎀
+# Page setup - dressing up with flair, a UI so rare, in Streamlit’s glare, in shared air! 🖼️🎀
 st.set_page_config(
     page_title="🤖🧠MMO Chat Brain📝🔬",
     page_icon=icons,
@@ -35,7 +38,7 @@ st.set_page_config(
     initial_sidebar_state="auto"
 )
 
-# Funky usernames - who’s who in the zoo with unique voices! 🎭🐾🎙️
+# Funky usernames with voices - a cosmic cast, shared memory’s blast, in shared past! 🌌🎭
 FUN_USERNAMES = {
     "CosmicJester 🌌": "en-US-AriaNeural",
     "PixelPanda 🐼": "en-US-JennyNeural",
@@ -59,28 +62,21 @@ FUN_USERNAMES = {
     "ChronoChimp 🐒": "en-GB-LibbyNeural"
 }
 
-# Folders galore - organizing chaos! 📂🌀
-CHAT_DIR = "chat_logs"
-VOTE_DIR = "vote_logs"
+# Top-level files and directories - the treasure trove, shared memory’s grove, in shared cove! 🗺️📜
+CHAT_FILE = "global_chat.md"
+QUOTE_VOTES_FILE = "quote_votes.md"
+MEDIA_VOTES_FILE = "media_votes.md"
+HISTORY_FILE = "chat_history.md"
 STATE_FILE = "user_state.txt"
 AUDIO_DIR = "audio_logs"
-HISTORY_DIR = "history_logs"
 MEDIA_DIR = "media_files"
-os.makedirs(CHAT_DIR, exist_ok=True)
-os.makedirs(VOTE_DIR, exist_ok=True)
 os.makedirs(AUDIO_DIR, exist_ok=True)
-os.makedirs(HISTORY_DIR, exist_ok=True)
 os.makedirs(MEDIA_DIR, exist_ok=True)
 
-CHAT_FILE = os.path.join(CHAT_DIR, "global_chat.md")
-QUOTE_VOTES_FILE = os.path.join(VOTE_DIR, "quote_votes.md")
-MEDIA_VOTES_FILE = os.path.join(VOTE_DIR, "media_votes.md")
-HISTORY_FILE = os.path.join(HISTORY_DIR, "chat_history.md")
-
-# Fancy digits - numbers got style! 🔢💃
+# Fancy digits - numbers dance, in shared cache, a numeric trance, in shared glance! 🔢💃
 UNICODE_DIGITS = {i: f"{i}\uFE0F⃣" for i in range(10)}
 
-# Massive font collection - typography bonanza! 🖋️🎨
+# Massive font collection - typography’s spree, in shared cache, a scribe’s decree, in shared sea! 🖋️🎨
 UNICODE_FONTS = [
     ("Normal", lambda x: x),
     ("Bold", lambda x: "".join(chr(ord(c) + 0x1D400 - 0x41) if 'A' <= c <= 'Z' else chr(ord(c) + 0x1D41A - 0x61) if 'a' <= c <= 'z' else c for c in x)),
@@ -103,7 +99,7 @@ UNICODE_FONTS = [
     ("Regional Indicator", lambda x: "".join(chr(ord(c) - 0x41 + 0x1F1E6) if 'A' <= c <= 'Z' else c for c in x)),
 ]
 
-# Global state - keeping tabs! 🌍📋
+# Global state - keeping tabs, a shared saga’s grab, in Streamlit’s crab! 🌍📋 – epic memory’s lab!
 if 'server_running' not in st.session_state:
     st.session_state.server_running = False
 if 'server_task' not in st.session_state:
@@ -116,10 +112,6 @@ if 'last_chat_update' not in st.session_state:
     st.session_state.last_chat_update = 0
 if 'displayed_chat_lines' not in st.session_state:
     st.session_state.displayed_chat_lines = []
-if 'old_val' not in st.session_state:
-    st.session_state.old_val = ""
-if 'last_query' not in st.session_state:
-    st.session_state.last_query = ""
 if 'message_text' not in st.session_state:
     st.session_state.message_text = ""
 if 'audio_cache' not in st.session_state:
@@ -129,16 +121,35 @@ if 'pasted_image_data' not in st.session_state:
 if 'quote_line' not in st.session_state:
     st.session_state.quote_line = None
 if 'refresh_rate' not in st.session_state:
-    st.session_state.refresh_rate = 5  # Default refresh rate
+    st.session_state.refresh_rate = 5
 if 'base64_cache' not in st.session_state:
-    st.session_state.base64_cache = {}  # Cache for base64 strings
+    st.session_state.base64_cache = {}
+if 'image_hashes' not in st.session_state:
+    st.session_state.image_hashes = set()
+if 'gallery_columns' not in st.session_state:
+    st.session_state.gallery_columns = 1
+if 'user_id' not in st.session_state:
+    st.session_state.user_id = None
+if 'user_hash' not in st.session_state:
+    st.session_state.user_hash = None
 
-# Timestamp wizardry - clock ticks with flair! ⏰🎩
+# Timestamp wizardry - clock ticks with flair, a temporal affair, in shared air, in Streamlit’s lair! ⏰🎩
 def format_timestamp_prefix(username):
-    now = datetime.now()
-    return f"{now.strftime('%I-%M-%p-ct-%m-%d-%Y')}-by-{username}"
+    central = pytz.timezone('US/Central')
+    now = datetime.now(central)
+    return f"{username}-{now.strftime('%I-%M-%p-%m-%d-%Y')}-{st.session_state.user_id}"
+
+# Compute image hash - a cryptographic clash, securing our flash, in shared dash, in Streamlit’s sash! 🛡️🔍
+def compute_image_hash(image_data):
+    if isinstance(image_data, Image.Image):
+        img_byte_arr = io.BytesIO()
+        image_data.save(img_byte_arr, format='PNG')
+        img_bytes = img_byte_arr.getvalue()
+    else:
+        img_bytes = image_data
+    return hashlib.md5(img_bytes).hexdigest()[:8]
 
-# Node naming - christening the beast! 🌐🍼
+# Node naming - christening the beast, a heroic feast, in shared yeast, in Streamlit’s east! 🌐🍼
 def get_node_name():
     parser = argparse.ArgumentParser(description='Start a chat node with a specific name')
     parser.add_argument('--node-name', type=str, default=None)
@@ -148,7 +159,7 @@ def get_node_name():
     log_action(username, "🌐🍼 - Node naming - christening the beast!")
     return args.node_name or f"node-{uuid.uuid4().hex[:8]}", args.port
 
-# Action logger - spying on deeds! 🕵️📜
+# Action logger - spying on deeds, a stealthy steed, in shared need, in Streamlit’s seed! 🕵️📜
 def log_action(username, action):
     if 'action_log' not in st.session_state:
         st.session_state.action_log = {}
@@ -157,33 +168,211 @@ def log_action(username, action):
     user_log = {k: v for k, v in user_log.items() if current_time - v < 10}
     st.session_state.action_log[username] = user_log
     if action not in user_log:
+        central = pytz.timezone('US/Central')
         with open(HISTORY_FILE, 'a') as f:
-            f.write(f"[{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}] {username}: {action}\n")
+            f.write(f"[{datetime.now(central).strftime('%Y-%m-%d %H:%M:%S')}] {username}: {action}\n")
         user_log[action] = current_time
 
-# Clean text - strip the fancy stuff! 🧹📝
+# Clean text - strip the fancy fluff, a scribe’s tough bluff, in shared puff, in Streamlit’s cuff! 🧹📝
 def clean_text_for_tts(text):
     cleaned = re.sub(r'[#*!\[\]]+', '', text)
     cleaned = ' '.join(cleaned.split())
-    return cleaned[:200] if cleaned else "No text to speak"
-
-# Chat saver - words locked tight! 💬🔒
-async def save_chat_entry(username, message):
-    await asyncio.to_thread(log_action, username, "💬🔒 - Chat saver - words locked tight!")
-    timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")  # Keep this for log consistency
-    entry = f"[{timestamp}] {username}: {message}"
-    await asyncio.to_thread(lambda: open(CHAT_FILE, 'a').write(f"{entry}\n"))
-    voice = FUN_USERNAMES.get(username, "en-US-AriaNeural")
-    cleaned_message = clean_text_for_tts(message)
-    audio_file = await async_edge_tts_generate(cleaned_message, voice)
-    if audio_file:
-        with open(HISTORY_FILE, 'a') as f:
-            f.write(f"[{timestamp}] {username}: Audio generated - {audio_file}\n")
+    return cleaned if cleaned else "No text to speak"  # Default if empty
+
+# Shared Memory Cache - the epic vault, a shared memory assault, in Streamlit’s fault, in sync’s assault! 🗳️💾
+@st.cache_resource
+def get_shared_memory():
+    """
+    Oh, the cache, a grand, shared hall, where data dances, never to fall!
+    Thread-safe and global, it holds our lore, across users and sessions, forevermore, in Streamlit’s core! 🌍🧙
+    """
+    class SharedMemory:
+        def __init__(self):
+            self.chat_history = []  # Condensed dialogs, epic tales condensed, in sync intense!
+            self.media_files = []  # Media treasures, shared with flair and bends, in sync’s blends!
+            self.cache_time = datetime.now()  # Timestamp of glory, a hero’s blend, in sync’s trend!
+
+        def update_chat(self, entry):
+            """Add a chat entry, a rhyme in the stream, keeping our saga supreme, in sync’s dream, in Streamlit’s beam! 💬🎶"""
+            self.chat_history.append(entry)
+            if len(self.chat_history) > 100:  # Limit to keep it tight, a knight’s fight, in sync’s light!
+                self.chat_history.pop(0)
+
+        def update_media(self, media_path):
+            """Store media files, a visual dream, in our shared cache, a radiant beam, in sync’s gleam, in Streamlit’s stream! 🖼️🌟"""
+            self.media_files.append(media_path)
+            if len(self.media_files) > 50:  # Cap the hoard, lest it grow too wide, in sync’s tide!
+                self.media_files.pop(0)
+
+        def get_condensed_dialogs(self):
+            """Condense the chatter, a poetic pact, short and sweet, our story intact, in sync’s act, in Streamlit’s tract! 🗣️✨"""
+            return "\n".join(f"- {entry.split(': ')[1][:50]}" for entry in self.chat_history[-10:])
+
+        def clear(self):
+            """Clear the cache, a dramatic purge, resetting our tale, a new surge, in sync’s urge, in Streamlit’s surge! 🌀🔥"""
+            self.chat_history.clear()
+            self.media_files.clear()
+            self.cache_time = datetime.now()
+
+    return SharedMemory()
+
+# Audio Processor Class - voices echo, a sonic hero, in shared zero, in Streamlit’s hero! 🎶🌟
+class AudioProcessor:
+    def __init__(self):
+        self.cache_dir = AUDIO_DIR
+        os.makedirs(self.cache_dir, exist_ok=True)
+        self.metadata = self._load_metadata()
+
+    def _load_metadata(self):
+        metadata_file = os.path.join(self.cache_dir, "metadata.json")
+        return json.load(open(metadata_file)) if os.path.exists(metadata_file) else {}
+
+    def _save_metadata(self):
+        metadata_file = os.path.join(self.cache_dir, "metadata.json")
+        with open(metadata_file, 'w') as f:
+            json.dump(self.metadata, f)
+
+    async def create_audio(self, text, voice='en-US-AriaNeural', filename=None):
+        """
+        Create audio, a voice that roars, in our shared cache, through cosmic doors, in sync’s shores, in Streamlit’s roars! 🎤🌌
+        """
+        cache_key = hashlib.md5(f"{text}:{voice}".encode()).hexdigest()
+        timestamp = format_timestamp_prefix(st.session_state.username)
+        filename = filename or os.path.join(self.cache_dir, f"audio_{timestamp}_{random.randint(1000, 9999)}.mp3")
+
+        if cache_key in self.metadata and os.path.exists(filename):
+            return filename
+
+        # Clean text for speech, a bard’s clean sweep, in sync’s deep, in Streamlit’s keep!
+        text = text.replace("\n", " ").replace("</s>", " ").strip()
+        if not text:
+            return None
+
+        # Generate audio, a sonic leap, with edge_tts, our voices deep, in sync’s heap, in Streamlit’s leap!
+        try:
+            communicate = edge_tts.Communicate(text, voice)
+            await communicate.save(filename)
+            if not os.path.exists(filename):
+                raise edge_tts.exceptions.NoAudioReceived("No audio file created")
+        except edge_tts.exceptions.NoAudioReceived as e:
+            log_action("System 🌟", f"TTS failed for text '{text}' with voice '{voice}': {str(e)}")
+            return None
+
+        # Update metadata, our epic creed, in shared memory, a heroic deed, in sync’s need, in Streamlit’s deed!
+        self.metadata[cache_key] = {
+            'timestamp': datetime.now().isoformat(),
+            'text_length': len(text),
+            'voice': voice
+        }
+        self._save_metadata()
+
+        return filename
+
+# Chat saver - words locked tight, in shared memory’s light, a shared fight, in Streamlit’s sight! 💬🔒
+async def save_chat_entry(username, message, is_markdown=False, quote_line=None, media_file=None, skip_audio=False):
+    """
+    Save chats with flair, in shared cache we dare, a rhyming affair, in sync’s air, in Streamlit’s stare! ✨🎉
+    """
+    central = pytz.timezone('US/Central')
+    timestamp = datetime.now(central).strftime("%Y-%m-%d %H:%M:%S")
+    user_history_file = f"{username}_history.md"
+    voice = st.session_state.voice if username == st.session_state.username else FUN_USERNAMES.get(username, "en-US-AriaNeural")
+    indent = "  " if quote_line else ""  # Nesting for replies, a poetic spree, in sync’s tree!
+
+    # Prepare entry, a verse so bright, in shared memory’s sight, a shared delight, in Streamlit’s light!
+    if is_markdown:
+        entry = f"{indent}[{timestamp}] {username}:\n{indent}```markdown\n{indent}{message}\n{indent}```"
+    else:
+        entry = f"{indent}[{timestamp}] {username}: {message}"
+    if quote_line:
+        entry = f"{indent}> {quote_line}\n{entry}"
+
+    # Save to global chat file, a shared epic tale, never frail, in sync’s gale, in Streamlit’s veil!
+    with open(CHAT_FILE, 'a') as f:
+        f.write(f"{entry}\n")
+
+    # Save to user-specific history, a personal rhyme, in shared time, a shared chime, in Streamlit’s chime!
+    if not os.path.exists(user_history_file):
+        with open(user_history_file, 'w') as f:
+            f.write(f"# Chat History for {username} (Voice: {voice})\n\n")
+    with open(user_history_file, 'a') as f:
+        f.write(f"{entry}\n")
+
+    # Generate audio, unless we skip, in shared cache, a sonic grip, in sync’s rip, in Streamlit’s slip!
+    audio_filename = None  # Initialize, lest our tale derail, in sync’s veil, in Streamlit’s trail!
+    if not skip_audio and message.strip():
+        cleaned_message = clean_text_for_tts(message)
+        audio_processor = AudioProcessor()
+        audio_filename = await audio_processor.create_audio(cleaned_message, voice)
+        if audio_filename:
+            with open(HISTORY_FILE, 'a') as f:
+                f.write(f"[{timestamp}] {username} ({voice}): Audio generated - {audio_filename}\n")
+            with open(user_history_file, 'a') as f:
+                f.write(f"{indent}[{timestamp}] Audio: {audio_filename}\n")
+            with open(CHAT_FILE, 'a') as f:
+                f.write(f"{indent}[{timestamp}] Audio: {audio_filename}\n")
+
+    # Handle media files, a visual quest, in shared memory, our treasure chest, in sync’s zest, in Streamlit’s nest!
+    if media_file:
+        if isinstance(media_file, Image.Image):
+            timestamp_prefix = format_timestamp_prefix(username)
+            media_filename = f"{username}-{timestamp_prefix.split('-')[-1]}.{media_file.format.lower()}"
+            media_path = os.path.join(MEDIA_DIR, media_filename)
+            img_byte_arr = io.BytesIO()
+            media_file.save(img_byte_arr, format=media_file.format)
+            await asyncio.to_thread(lambda: open(media_path, 'wb').write(img_byte_arr.getvalue()))
+            media_file = media_filename
+        elif media_file.name in ['png', 'jpg', 'mp4', 'mp3', 'wav']:
+            timestamp_prefix = format_timestamp_prefix(username)
+            media_filename = f"{username}-{timestamp_prefix.split('-')[-1]}.{media_file.name.split('.')[-1]}"
+            media_path = os.path.join(MEDIA_DIR, media_filename)
+            await asyncio.to_thread(lambda: open(media_path, 'wb').write(media_file.getbuffer()))
+            media_file = media_filename
+        elif media_file.name == 'pdf':
+            timestamp_prefix = format_timestamp_prefix(username)
+            file_hash = hashlib.md5(media_file.getbuffer()).hexdigest()[:8]
+            media_filename = f"{username}-{timestamp_prefix.split('-')[-1]}-{file_hash}.pdf"
+            media_path = os.path.join(MEDIA_DIR, media_filename)
+            await asyncio.to_thread(lambda: open(media_path, 'wb').write(media_file.getbuffer()))
+            media_file = media_filename
+        with open(CHAT_FILE, 'a') as f:
+            f.write(f"{indent}[{timestamp}] Media: ![Media]({media_file})\n")
+        with open(user_history_file, 'a') as f:
+            f.write(f"{indent}[{timestamp}] Media: ![Media]({media_file})\n")
+
+    # Update shared memory, our epic lore, in cache forevermore, in sync’s core, in Streamlit’s lore!
+    shared_memory = get_shared_memory()
+    shared_memory.update_chat(entry)
+    if media_file:
+        shared_memory.update_media(os.path.join(MEDIA_DIR, media_file))
+
     await broadcast_message(f"{username}|{message}", "chat")
     st.session_state.last_chat_update = time.time()
+    return audio_filename  # Return, even if silent, our tale’s delight, in sync’s flight, in Streamlit’s sight!
+
+# Save chat history with image or PDF - a scribe’s historic flight, in shared night, in Streamlit’s light! 📜🚀
+async def save_chat_history_with_image(username, image_path):
+    """
+    Save history, a scribe’s grand sight, in shared memory, pure and bright, in sync’s light, in Streamlit’s right! ✨📖
+    """
+    central = pytz.timezone('US/Central')
+    timestamp = datetime.now(central).strftime("%Y-%m-%d_%H-%M-%S")
+    user_history_file = f"{username}_history.md"
+    chat_content = await load_chat()
+    voice = st.session_state.voice if username == st.session_state.username else FUN_USERNAMES.get(username, "en-US-AriaNeural")
+    if not os.path.exists(user_history_file):
+        with open(user_history_file, 'w') as f:
+            f.write(f"# Chat History for {username} (Voice: {voice})\n\n")
+    with open(user_history_file, 'a') as f:
+        f.write(f"[{timestamp}] {username} (Voice: {voice}) Shared Media: {os.path.basename(image_path)}\n")
+        f.write(f"```markdown\n{chat_content}\n```\n")
 
-# Chat loader - history unleashed! 📜🚀
+# Chat loader - history unleashed, a shared epic feast, in shared beast, in Streamlit’s east! 📜🚀
+@st.cache_resource
 async def load_chat():
+    """
+    Load chats, a shared memory spree, from cache with glee, our history free, in sync’s sea, in Streamlit’s tree! 🌟💬
+    """
     username = st.session_state.get('username', 'System 🌟')
     await asyncio.to_thread(log_action, username, "📜🚀 - Chat loader - history unleashed!")
     if not os.path.exists(CHAT_FILE):
@@ -192,8 +381,11 @@ async def load_chat():
         content = await asyncio.to_thread(f.read)
     return content
 
-# User lister - who’s in the gang! 👥🎉
+# User lister - who’s in the gang, a shared memory bang, in shared rang, in Streamlit’s gang! 👥🎉
 async def get_user_list(chat_content):
+    """
+    List users, a shared roster’s rhyme, in cache divine, through space and time, in sync’s chime, in Streamlit’s time! 🌍🎭
+    """
     username = st.session_state.get('username', 'System 🌟')
     await asyncio.to_thread(log_action, username, "👥🎉 - User lister - who’s in the gang!")
     users = set()
@@ -203,24 +395,35 @@ async def get_user_list(chat_content):
             users.add(user)
     return sorted(list(users))
 
-# Join checker - been here before? 🚪🔍
+# Join checker - been here before, in shared cache, a lore galore, in shared shore, in Streamlit’s lore! 🚪🔍
 async def has_joined_before(client_id, chat_content):
+    """
+    Check joins, a shared memory chore, in cache secure, forevermore, in sync’s lore, in Streamlit’s core! 🌀🔐
+    """
     username = st.session_state.get('username', 'System 🌟')
     await asyncio.to_thread(log_action, username, "🚪🔍 - Join checker - been here before?")
     return any(f"Client-{client_id}" in line for line in chat_content.split('\n'))
 
-# Suggestion maker - old quips resurface! 💡📝
+# Suggestion maker - old quips resurface, in shared cache, a verse so fierce, in shared pierce, in Streamlit’s fierce! 💡📝
 async def get_message_suggestions(chat_content, prefix):
+    """
+    Suggest quips, a shared memory jest, in cache we nest, our humor blessed, in sync’s zest, in Streamlit’s best! 😂🌟
+    """
     username = st.session_state.get('username', 'System 🌟')
     await asyncio.to_thread(log_action, username, "💡📝 - Suggestion maker - old quips resurface!")
     lines = chat_content.split('\n')
     messages = [line.split(': ', 1)[1] for line in lines if ': ' in line and line.strip()]
     return [msg for msg in messages if msg.lower().startswith(prefix.lower())][:5]
 
-# Vote saver - cheers recorded! 👍📊
+# Vote saver - cheers recorded, in shared cache, our cheers restored, in shared chord, in Streamlit’s cord! 👍📊
+@st.cache_resource
 async def save_vote(file, item, user_hash, username, comment=""):
+    """
+    Save votes, a shared tally’s cheer, in cache so clear, our triumph near, in sync’s spear, in Streamlit’s near! 🏆🎉
+    """
     await asyncio.to_thread(log_action, username, "👍📊 - Vote saver - cheers recorded!")
-    timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+    central = pytz.timezone('US/Central')
+    timestamp = datetime.now(central).strftime("%Y-%m-%d %H:%M:%S")
     entry = f"[{timestamp}] {user_hash} voted for {item}"
     await asyncio.to_thread(lambda: open(file, 'a').write(f"{entry}\n"))
     await asyncio.to_thread(lambda: open(HISTORY_FILE, "a").write(f"- {timestamp} - User {user_hash} voted for {item}\n"))
@@ -228,9 +431,14 @@ async def save_vote(file, item, user_hash, username, comment=""):
     if comment:
         chat_message += f" - {comment}"
     await save_chat_entry(username, chat_message)
+    return entry  # Return for caching, our epic fling, in sync’s ring, in Streamlit’s sing!
 
-# Vote counter - tallying the love! 🏆📈
+# Vote counter - tallying the love, in shared cache, a tale above, in shared glove, in Streamlit’s love! 🏆📈
+@st.cache_resource
 async def load_votes(file):
+    """
+    Count votes, a shared tally’s might, in cache so bright, our victory’s light, in sync’s fight, in Streamlit’s light! 🌟📊
+    """
     username = st.session_state.get('username', 'System 🌟')
     await asyncio.to_thread(log_action, username, "🏆📈 - Vote counter - tallying the love!")
     if not os.path.exists(file):
@@ -250,69 +458,139 @@ async def load_votes(file):
                 user_votes.add(vote_key)
     return votes
 
-# Hash generator - secret codes ahoy! 🔑🕵️
+# Hash generator - secret codes ahoy, in shared cache, a cryptic joy, in shared toy, in Streamlit’s joy! 🔑🕵️
 async def generate_user_hash():
+    """
+    Generate hashes, a shared code’s chime, in cache sublime, through space and time, in sync’s rhyme, in Streamlit’s chime! 🌌🔐
+    """
     username = st.session_state.get('username', 'System 🌟')
     await asyncio.to_thread(log_action, username, "🔑🕵️ - Hash generator - secret codes ahoy!")
     if 'user_hash' not in st.session_state:
         st.session_state.user_hash = hashlib.md5(str(random.getrandbits(128)).encode()).hexdigest()[:8]
     return st.session_state.user_hash
 
-# Audio maker - voices come alive! 🎶🌟
+# Audio maker - voices come alive, in shared cache, a sonic dive, in shared hive, in Streamlit’s dive! 🎶🌟
 async def async_edge_tts_generate(text, voice, rate=0, pitch=0, file_format="mp3"):
+    """
+    Make audio, a shared voice’s thrill, in cache we fill, with sonic will, in sync’s hill, in Streamlit’s will! 🎤🔊
+    """
     username = st.session_state.get('username', 'System 🌟')
     await asyncio.to_thread(log_action, username, "🎶🌟 - Audio maker - voices come alive!")
     timestamp = format_timestamp_prefix(username)
-    filename = f"{timestamp}.{file_format}"
-    filepath = os.path.join(AUDIO_DIR, filename)
+    filename = os.path.join(AUDIO_DIR, f"audio_{timestamp}_{random.randint(1000, 9999)}.mp3")
     communicate = edge_tts.Communicate(text, voice, rate=f"{rate:+d}%", pitch=f"{pitch:+d}Hz")
     try:
-        await communicate.save(filepath)
-        return filepath if os.path.exists(filepath) else None
+        await communicate.save(filename)
+        return filename if os.path.exists(filename) else None
     except edge_tts.exceptions.NoAudioReceived:
         with open(HISTORY_FILE, 'a') as f:
-            f.write(f"[{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}] {username}: Audio failed - No audio received for '{text}'\n")
+            central = pytz.timezone('US/Central')
+            f.write(f"[{datetime.now(central).strftime('%Y-%m-%d %H:%M:%S')}] {username}: Audio failed - No audio received for '{text}'\n")
         return None
 
-# Audio player - tunes blast off! 🔊🚀
+# Audio player - tunes blast off, in shared cache, a musical scoff, in shared toff, in Streamlit’s scoff! 🔊🚀
 def play_and_download_audio(file_path):
+    """
+    Play tunes, a shared melody’s jest, in cache expressed, our audio quest, in sync’s zest, in Streamlit’s quest! 🎵🌌
+    """
     if file_path and os.path.exists(file_path):
         st.audio(file_path)
-        if file_path not in st.session_state.base64_cache:
-            with open(file_path, "rb") as f:
-                b64 = base64.b64encode(f.read()).decode()
-            st.session_state.base64_cache[file_path] = b64
-        b64 = st.session_state.base64_cache[file_path]
+        with open(file_path, "rb") as f:
+            b64 = base64.b64encode(f.read()).decode()
         dl_link = f'<a href="data:audio/mpeg;base64,{b64}" download="{os.path.basename(file_path)}">🎵 Download {os.path.basename(file_path)}</a>'
         st.markdown(dl_link, unsafe_allow_html=True)
 
-# Image saver - pics preserved with naming! 📸💾
+# Image saver - pics preserved, in shared cache, a visual burst, in shared thirst, in Streamlit’s burst! 📸💾
 async def save_pasted_image(image, username):
+    """
+    Save images, a shared sight’s cheer, in cache so clear, our vision near, in sync’s spear, in Streamlit’s near! 🖼️🌟
+    """
     await asyncio.to_thread(log_action, username, "📸💾 - Image saver - pics preserved!")
     timestamp = format_timestamp_prefix(username)
-    filename = f"{timestamp}.png"
-    filepath = os.path.join(MEDIA_DIR, filename)
-    await asyncio.to_thread(image.save, filepath, "PNG")
-    return filepath
+    media_filename = f"{username}-{timestamp.split('-')[-1]}.png"
+    media_path = os.path.join(MEDIA_DIR, media_filename)
+    img_byte_arr = io.BytesIO()
+    image.save(img_byte_arr, format='PNG')
+    await asyncio.to_thread(lambda: open(media_path, 'wb').write(img_byte_arr.getvalue()))
+    return media_filename
 
-# Video renderer - movies roll with autoplay! 🎥🎬
-async def get_video_html(video_path, width="100%"):
-    username = st.session_state.get('username', 'System 🌟')
-    await asyncio.to_thread(log_action, username, "🎥🎬 - Video renderer - movies roll!")
-    with open(video_path, 'rb') as f:
-        video_data = await asyncio.to_thread(f.read)
-    video_url = f"data:video/mp4;base64,{base64.b64encode(video_data).decode()}"
-    return f'<video width="{width}" controls autoplay><source src="{video_url}" type="video/mp4">Your browser does not support the video tag.</video>'
-
-# Audio renderer - sounds soar! 🎶✈️
-async def get_audio_html(audio_path, width="100%"):
+# Video and Audio savers - media magic, in shared cache, a heroic tragic, in shared magic, in Streamlit’s magic! 🎥🎶
+async def save_media(file, username, ext):
+    """
+    Save media, a shared epic’s might, in cache so bright, our treasures ignite, in sync’s kite, in Streamlit’s kite! 🧙🔥
+    """
+    await asyncio.to_thread(log_action, username, f"📸💾 - Media saver - {ext} preserved!")
+    timestamp = format_timestamp_prefix(username)
+    media_filename = f"{username}-{timestamp.split('-')[-1]}.{ext}"
+    media_path = os.path.join(MEDIA_DIR, media_filename)
+    await asyncio.to_thread(lambda: open(media_path, 'wb').write(file.getbuffer()))
+    return media_filename
+
+# PDF saver and audio generator - documents dance, in shared cache, a chance, in shared trance, in Streamlit’s dance! 📜🎶
+async def save_pdf_and_generate_audio(pdf_file, username, max_pages=10):
+    """
+    Save PDFs, a shared document’s glee, in cache we see, our history’s key, in sync’s sea, in Streamlit’s key! 📚🌟
+    """
+    await asyncio.to_thread(log_action, username, "📜🎶 - PDF saver and audio generator!")
+    timestamp = format_timestamp_prefix(username)
+    file_hash = hashlib.md5(pdf_file.getbuffer()).hexdigest()[:8]
+    pdf_filename = f"{username}-{timestamp.split('-')[-1]}-{file_hash}.pdf"
+    media_path = os.path.join(MEDIA_DIR, pdf_filename)
+    with open(media_path, 'wb') as f:
+        f.write(pdf_file.getbuffer())
+
+    reader = PdfReader(media_path)
+    total_pages = min(len(reader.pages), max_pages)
+    texts = []
+    audio_files = []
+
+    audio_processor = AudioProcessor()
+    voice = st.session_state.voice if username == st.session_state.username else FUN_USERNAMES.get(username, "en-US-AriaNeural")
+
+    for i in range(total_pages):
+        text = reader.pages[i].extract_text()
+        texts.append(text)
+        audio_filename = f"{username}-{timestamp.split('-')[-1]}-page{i+1}-{file_hash}-voice-{voice}.mp3"
+        audio_path = os.path.join(AUDIO_DIR, audio_filename)
+        audio_data = await audio_processor.create_audio(text, voice, audio_path)
+        if audio_data:
+            audio_files.append(audio_filename)
+
+    return pdf_filename, texts, audio_files
+
+# Video renderer - movies roll, in shared cache, a visual toll, in shared roll, in Streamlit’s roll! 🎥🎬
+def get_video_html(video_path, width="100px"):
+    """
+    Render videos, a shared screen’s thrill, in cache we fill, with cinematic will, in sync’s hill, in Streamlit’s will! 📺🌌
+    """
+    video_url = f"data:video/mp4;base64,{base64.b64encode(open(os.path.join(MEDIA_DIR, video_path), 'rb').read()).decode()}"
+    return f'''
+    <video width="{width}" controls autoplay muted loop>
+        <source src="{video_url}" type="video/mp4">
+        Your browser does not support the video tag.
+    </video>
+    '''
+
+# Audio renderer - sounds soar, in shared cache, a sonic roar, in shared roar, in Streamlit’s roar! 🎶✈️
+async def get_audio_html(audio_path, width="100px"):
+    """
+    Render audio, a shared sound’s cheer, in cache so clear, our music near, in sync’s spear, in Streamlit’s near! 🎵🌟
+    """
     username = st.session_state.get('username', 'System 🌟')
     await asyncio.to_thread(log_action, username, "🎶✈️ - Audio renderer - sounds soar!")
-    audio_url = f"data:audio/mpeg;base64,{base64.b64encode(await asyncio.to_thread(open, audio_path, 'rb').read()).decode()}"
-    return f'<audio controls style="width: {width};"><source src="{audio_url}" type="audio/mpeg">Your browser does not support the audio element.</audio>'
+    audio_url = f"data:audio/mpeg;base64,{base64.b64encode(await asyncio.to_thread(open, os.path.join(AUDIO_DIR, audio_path), 'rb').read()).decode()}"
+    return f'''
+    <audio controls style="width: {width};">
+        <source src="{audio_url}" type="audio/mpeg">
+        Your browser does not support the audio element.
+    </audio>
+    '''
 
-# Websocket handler - chat links up! 🌐🔗
+# Websocket handler - chat links up, in shared cache, a connection’s cup, in shared cup, in Streamlit’s cup! 🌐🔗
 async def websocket_handler(websocket, path):
+    """
+    Handle chats, a shared link’s might, in cache so bright, our network’s light, in sync’s night, in Streamlit’s light! 🌍🔌
+    """
     username = st.session_state.get('username', 'System 🌟')
     await asyncio.to_thread(log_action, username, "🌐🔗 - Websocket handler - chat links up!")
     try:
@@ -334,8 +612,11 @@ async def websocket_handler(websocket, path):
         if room_id in st.session_state.active_connections and client_id in st.session_state.active_connections[room_id]:
             del st.session_state.active_connections[room_id][client_id]
 
-# Message broadcaster - words fly far! 📢✈️
+# Message broadcaster - words fly far, in shared cache, a starry czar, in shared star, in Streamlit’s star! 📢✈️
 async def broadcast_message(message, room_id):
+    """
+    Broadcast words, a shared echo’s cheer, in cache so clear, our message near, in sync’s spear, in Streamlit’s near! 🌠📡
+    """
     username = st.session_state.get('username', 'System 🌟')
     await asyncio.to_thread(log_action, username, "📢✈️ - Message broadcaster - words fly far!")
     if room_id in st.session_state.active_connections:
@@ -348,8 +629,11 @@ async def broadcast_message(message, room_id):
         for client_id in disconnected:
             del st.session_state.active_connections[room_id][client_id]
 
-# Server starter - web spins up! 🖥️🌀
+# Server starter - web spins up, in shared cache, a digital pup, in shared pup, in Streamlit’s pup! 🖥️🌀
 async def run_websocket_server():
+    """
+    Start server, a shared spin’s delight, in cache so right, our web takes flight, in sync’s night, in Streamlit’s flight! 🚀🌐
+    """
     username = st.session_state.get('username', 'System 🌟')
     await asyncio.to_thread(log_action, username, "🖥️🌀 - Server starter - web spins up!")
     if not st.session_state.server_running:
@@ -357,212 +641,395 @@ async def run_websocket_server():
         st.session_state.server_running = True
         await server.wait_closed()
 
-# Voice processor - speech to text! 🎤📝
-async def process_voice_input(audio_bytes):
-    username = st.session_state.get('username', 'System 🌟')
-    await asyncio.to_thread(log_action, username, "🎤📝 - Voice processor - speech to text!")
-    if audio_bytes:
-        text = "Voice input simulation"
-        await save_chat_entry(username, text)
+# Delete all user files - a purge so grand, in shared cache, a clearing band, in shared land, in Streamlit’s band! 🗑️🔥
+def delete_user_files():
+    """
+    Delete files, a shared purge’s might, in cache so light, our slate wiped tight, in sync’s night, in Streamlit’s tight! 🧹🌌
+    """
+    protected_files = {'app.py', 'requirements.txt', 'README.md', CHAT_FILE, QUOTE_VOTES_FILE, MEDIA_VOTES_FILE, HISTORY_FILE, STATE_FILE, AUDIO_DIR, MEDIA_DIR}
+    deleted_files = []
+    for file in os.listdir('.'):
+        if file not in protected_files and not file.endswith('_history.md'):
+            try:
+                os.remove(file)
+                deleted_files.append(file)
+            except Exception as e:
+                st.error(f"Failed to delete {file}: {e}")
+    for root, dirs, files in os.walk(AUDIO_DIR):
+        for file in files:
+            file_path = os.path.join(root, file)
+            try:
+                os.remove(file_path)
+                deleted_files.append(file_path)
+            except Exception as e:
+                st.error(f"Failed to delete {file_path}: {e}")
+    for root, dirs, files in os.walk(MEDIA_DIR):
+        for file in files:
+            file_path = os.path.join(root, file)
+            try:
+                os.remove(file_path)
+                deleted_files.append(file_path)
+            except Exception as e:
+                st.error(f"Failed to delete {file_path}: {e}")
+    st.session_state.image_hashes.clear()
+    st.session_state.audio_cache.clear()
+    st.session_state.base64_cache.clear()
+    st.session_state.displayed_chat_lines.clear()
+    shared_memory = get_shared_memory()
+    shared_memory.clear()  # Clear shared cache on purge, in sync’s surge, in Streamlit’s surge!
+    return deleted_files
 
-# Dummy AI lookup function (replace with actual implementation)
-async def perform_ai_lookup(query, vocal_summary=True, extended_refs=False, titles_summary=True, full_audio=False, useArxiv=True, useArxivAudio=False):
-    username = st.session_state.get('username', 'System 🌟')
-    result = f"AI Lookup Result for '{query}' (Arxiv: {useArxiv}, Audio: {useArxivAudio})"
-    await save_chat_entry(username, result)
-    if useArxivAudio:
-        audio_file = await async_edge_tts_generate(result, FUN_USERNAMES.get(username, "en-US-AriaNeural"))
-        if audio_file:
-            st.audio(audio_file)
-
-# Main execution - let’s roll! 🎲🚀
+# Query parameter checker - parse q with flair, in shared cache, a naming affair, in shared air, in Streamlit’s air! 🚪🔍
+def check_query_params():
+    """
+    Check queries, a shared name’s quest, in cache so blessed, our path expressed, in sync’s zest, in Streamlit’s best! 🌟🔍
+    """
+    query_params = st.query_params if hasattr(st, 'query_params') else st.experimental_get_query_params()
+    q_value = query_params.get("q", [None])[0]
+    if q_value and q_value in FUN_USERNAMES:
+        st.session_state.username = q_value
+        st.session_state.voice = FUN_USERNAMES[q_value]
+        return q_value
+    elif q_value:
+        st.session_state.user_id = q_value  # Use as user_id if not a valid username
+    return None
+
+# Mermaid graph generator - visualize our tale, in shared cache, a graphic gale, in shared vale, in Streamlit’s gale! 🌳📈
+def generate_mermaid_graph(chat_lines):
+    """
+    Generate graphs, a shared vision’s rhyme, in cache sublime, our story’s chime, in sync’s time, in Streamlit’s chime! 🧩🌌
+    """
+    mermaid_code = "graph TD\n"
+    nodes = {}
+    edges = []
+    for i, line in enumerate(chat_lines):
+        if line.strip() and not line.startswith('  '):
+            timestamp = line.split('] ')[0][1:] if '] ' in line else "Unknown"
+            content = line.split(': ', 1)[1] if ': ' in line else line
+            user = content.split(' ')[0]
+            message = content.split(' ', 1)[1] if ' ' in content else ''
+            node_id = f"{user}_{i}"
+            nodes[node_id] = f"{user}: {message[:20]}..." if len(message) > 20 else f"{user}: {message}"
+            if i + 1 < len(chat_lines) and "Audio:" in chat_lines[i + 1]:
+                audio_node = f"audio_{i}"
+                nodes[audio_node] = "🎵"
+                edges.append(f"{node_id} --> {audio_node}")
+            if i + 2 < len(chat_lines) and "Media:" in chat_lines[i + 2]:
+                media_node = f"media_{i}"
+                nodes[media_node] = "🖼"
+                edges.append(f"{node_id} --> {media_node}")
+            if i > 0 and "> " in line:
+                parent_user = chat_lines[i-1].split(': ')[1].split(' ')[0]
+                parent_id = f"{parent_user}_{i-1}"
+                edges.append(f"{parent_id} --> {node_id}")
+
+    for node_id, label in nodes.items():
+        mermaid_code += f"    {node_id}[\"{label}\"]\n"
+    mermaid_code += "\n".join(f"    {edge}" for edge in edges)
+    return mermaid_code
+
+# Main execution - let’s roll, in shared cache, a heroic toll, in shared soul, in Streamlit’s roll! 🎲🚀
 def main():
+    """
+    Launch our saga, a shared memory’s cheer, in Streamlit’s cache, our epic year, in sync’s spear, in Streamlit’s year! 🚀✨
+    """
     NODE_NAME, port = get_node_name()
 
-    loop = asyncio.new_event_loop()
-    asyncio.set_event_loop(loop)
+    # Use Streamlit’s event loop or create a new one safely, avoiding reuse errors! 🌀🔄
+    try:
+        loop = asyncio.get_event_loop()
+        if loop.is_closed():
+            loop = asyncio.new_event_loop()
+            asyncio.set_event_loop(loop)
+    except RuntimeError:
+        loop = asyncio.new_event_loop()
+        asyncio.set_event_loop(loop)
 
-    async def async_interface():
-        if 'username' not in st.session_state:
-            chat_content = await load_chat()
-            available_names = [name for name in FUN_USERNAMES if not any(f"{name} has joined" in line for line in chat_content.split('\n'))]
-            st.session_state.username = random.choice(available_names) if available_names else random.choice(list(FUN_USERNAMES.keys()))
+    # Run async interface within the loop, ensuring no reuse or nested awaits! 🌟🎭
+    loop.run_until_complete(async_interface())
+    loop.close()
 
-        st.title(f"🤖🧠MMO {st.session_state.username}📝🔬")
-        st.markdown(f"Welcome to {START_ROOM} - chat, vote, upload, paste images, and enjoy quoting! 🎉")
+# Async interface - our epic quest, in shared cache, a tale expressed, in sync’s zest, in Streamlit’s quest! 🎭🌟
+async def async_interface():
+    # Generate user ID and hash, a shared identity’s clash, in sync’s flash, in Streamlit’s clash! 🆔🔮
+    if not st.session_state.user_id:
+        st.session_state.user_id = str(uuid.uuid4())
+        st.session_state.user_hash = await generate_user_hash()
 
-        if not st.session_state.server_task:
-            st.session_state.server_task = loop.create_task(run_websocket_server())
+    # Check query params, a shared name’s quest, in cache expressed, our path impressed, in sync’s zest, in Streamlit’s quest! 🚪🔍
+    q_value = check_query_params()
+    if not q_value and 'username' not in st.session_state:
+        chat_content = await load_chat()
+        available_names = [name for name in FUN_USERNAMES if not any(f"{name} has joined" in line for line in chat_content.split('\n'))]
+        st.session_state.username = random.choice(available_names) if available_names else random.choice(list(FUN_USERNAMES.keys()))
+        st.session_state.voice = FUN_USERNAMES[st.session_state.username]
+        st.markdown(f"**🎙️ Voice Selected**: {st.session_state.voice} 🗣️ for {st.session_state.username}")
 
-        audio_bytes = audio_recorder()
-        if audio_bytes:
-            await process_voice_input(audio_bytes)
-            st.rerun()
+    # Check existing history, a shared memory’s cheer, in cache so clear, our lore near, in sync’s spear, in Streamlit’s near! 📜🌟
+    user_history_file = f"{st.session_state.username}_history.md"
+    if os.path.exists(user_history_file):
+        with open(user_history_file, 'r') as f:
+            st.session_state.displayed_chat_lines = f.read().split('\n')
 
-        # Load and display chat
-        st.subheader(f"{START_ROOM} Chat 💬")
+    user_url = f"/q={st.session_state.username}"
+    with st.container():
+        st.markdown(f"<small>Your unique URL path: [{user_url}]({user_url})</small>", unsafe_allow_html=True)
+
+    with st.container():
+        st.markdown(f"#### 🤖🧠MMO {st.session_state.username}📝🔬")
+        st.markdown(f"<small>Welcome to {START_ROOM} - chat, vote, upload, paste images, and enjoy quoting! 🎉 User ID: {st.session_state.user_id}</small>", unsafe_allow_html=True)
+
+    if not st.session_state.server_task:
+        st.session_state.server_task = asyncio.create_task(run_websocket_server())
+
+    # Unified Chat History at Top - a shared epic’s roar, condensed and stored, in sync’s cord, in Streamlit’s cord! 💬🌌
+    with st.container():
+        st.markdown(f"##### {START_ROOM} Chat History 💬")
+        shared_memory = get_shared_memory()
         chat_content = await load_chat()
-        chat_lines = chat_content.split('\n')
-        chat_votes = await load_votes(QUOTE_VOTES_FILE)
-
-        current_time = time.time()
-        if current_time - st.session_state.last_chat_update > 1 or not st.session_state.displayed_chat_lines:
-            new_lines = [line for line in chat_lines if line.strip() and ': ' in line and line not in st.session_state.displayed_chat_lines and not line.startswith('#')]
-            st.session_state.displayed_chat_lines.extend(new_lines)
-            st.session_state.last_chat_update = current_time
-
-        for i, line in enumerate(st.session_state.displayed_chat_lines):
-            col1, col2, col3, col4 = st.columns([3, 1, 1, 2])
-            with col1:
-                st.markdown(line)
-                if "Pasted image:" in line or "Uploaded media:" in line:
-                    file_path = line.split(': ')[-1].strip()
-                    if os.path.exists(file_path):
-                        if file_path not in st.session_state.base64_cache:
-                            with open(file_path, "rb") as f:
-                                b64 = base64.b64encode(f.read()).decode()
-                            st.session_state.base64_cache[file_path] = b64
-                        b64 = st.session_state.base64_cache[file_path]
-                        mime_type = "image/png" if file_path.endswith(('.png', '.jpg')) else "video/mp4" if file_path.endswith('.mp4') else "audio/mpeg"
-                        if file_path.endswith(('.png', '.jpg')):
-                            st.image(file_path, use_container_width=True)
-                            dl_link = f'<a href="data:{mime_type};base64,{b64}" download="{os.path.basename(file_path)}">📥 Download {os.path.basename(file_path)}</a>'
-                            st.markdown(dl_link, unsafe_allow_html=True)
-                        elif file_path.endswith('.mp4'):
-                            st.markdown(await get_video_html(file_path), unsafe_allow_html=True)
-                            dl_link = f'<a href="data:{mime_type};base64,{b64}" download="{os.path.basename(file_path)}">📥 Download {os.path.basename(file_path)}</a>'
-                            st.markdown(dl_link, unsafe_allow_html=True)
-                        elif file_path.endswith('.mp3'):
-                            st.markdown(await get_audio_html(file_path), unsafe_allow_html=True)
-                            dl_link = f'<a href="data:{mime_type};base64,{b64}" download="{os.path.basename(file_path)}">📥 Download {os.path.basename(file_path)}</a>'
-                            st.markdown(dl_link, unsafe_allow_html=True)
-            with col2:
-                vote_count = chat_votes.get(line.split('. ')[1] if '. ' in line else line, 0)
-                if st.button(f"👍 {vote_count}", key=f"chat_vote_{i}"):
-                    comment = st.session_state.message_text
-                    await save_vote(QUOTE_VOTES_FILE, line.split('. ')[1] if '. ' in line else line, await generate_user_hash(), st.session_state.username, comment)
-                    st.session_state.message_text = ''
-                    st.rerun()
-            with col3:
-                if st.button("📢 Quote", key=f"quote_{i}"):
-                    st.session_state.quote_line = line
-                    st.rerun()
-            with col4:
-                username = line.split(': ')[1].split(' ')[0]
-                cache_key = f"{line}_{FUN_USERNAMES.get(username, 'en-US-AriaNeural')}"
-                if cache_key not in st.session_state.audio_cache:
-                    cleaned_text = clean_text_for_tts(line.split(': ', 1)[1])
-                    audio_file = await async_edge_tts_generate(cleaned_text, FUN_USERNAMES.get(username, "en-US-AriaNeural"))
-                    st.session_state.audio_cache[cache_key] = audio_file
-                audio_file = st.session_state.audio_cache.get(cache_key)
-                if audio_file:
-                    play_and_download_audio(audio_file)
+        chat_lines = [line for line in chat_content.split('\n') if line.strip() and not line.startswith('#')]
+        if chat_lines:
+            chat_by_minute = {}
+            for line in reversed(chat_lines):
+                timestamp = line.split('] ')[0][1:] if '] ' in line else "Unknown"
+                minute_key = timestamp[:16]  # Up to minute
+                if minute_key not in chat_by_minute:
+                    chat_by_minute[minute_key] = []
+                chat_by_minute[minute_key].append(line)
 
+            markdown_output = ""
+            for minute, lines in chat_by_minute.items():
+                minute_output = f"###### {minute[-5:]}\n"  # Show only HH:MM
+                for line in lines:
+                    if ': ' in line and not line.startswith('  '):
+                        user_message = line.split(': ', 1)[1]
+                        user = user_message.split(' ')[0]
+                        msg = user_message.split(' ', 1)[1] if ' ' in user_message else ''
+                        audio_html = ""
+                        media_content = ""
+                        next_lines = chat_lines[chat_lines.index(line)+1:chat_lines.index(line)+3]
+                        for nl in next_lines:
+                            if "Audio:" in nl:
+                                audio_file = nl.split("Audio: ")[-1].strip()
+                                audio_html = play_and_download_audio(audio_file)
+                            elif "Media:" in nl:
+                                media_file = nl.split("Media: ")[-1].strip('![]()')
+                                media_path = os.path.join(MEDIA_DIR, media_file)
+                                if os.path.exists(media_path):
+                                    if media_file.endswith(('.png', '.jpg')):
+                                        media_content = f"<img src='file://{media_path}' width='100'>"
+                                    elif media_file.endswith('.mp4'):
+                                        media_content = get_video_html(media_file)
+                                    elif media_file.endswith('.mp3'):
+                                        media_content = await get_audio_html(media_file)
+                                    elif media_file.endswith('.pdf'):
+                                        media_content = f"📜 {os.path.basename(media_file)}"
+                        minute_output += f"- 💬 **{user}**: {msg[:50]}... {audio_html} {media_content}\n"  # Condensed dialog
+                markdown_output += minute_output
+            st.markdown(markdown_output, unsafe_allow_html=True)
+            shared_memory.update_chat(markdown_output)  # Cache condensed dialogs, in sync’s log, in Streamlit’s fog!
+
+        # Condensed Dialogs Display - a shared tale, concise and hale, in shared vale, in Streamlit’s tale! 🗣️✨
+        st.markdown("###### Condensed Dialogs 🗣️")
+        condensed_dialogs = shared_memory.get_condensed_dialogs()
+        st.markdown(condensed_dialogs)
+
+        # Mermaid Graph Visualization - a shared map, our chat’s trap, in shared cap, in Streamlit’s map! 🌳📈
+        st.markdown("###### Chat Relationship Tree 🌳")
+        mermaid_code = generate_mermaid_graph(chat_lines)
+        mermaid_html = f"""
+        <script src="https://cdn.jsdelivr.net/npm/mermaid/dist/mermaid.min.js"></script>
+        <div class="mermaid" style="height: 200px; overflow: auto;">{mermaid_code}</div>
+        <script>mermaid.initialize({{startOnLoad:true}});</script>
+        """
+        components.html(mermaid_html, height=250)
+
+    with st.container():
         if st.session_state.quote_line:
-            st.markdown(f"### Quoting: {st.session_state.quote_line}")
-            quote_response = st.text_area("Add your response", key="quote_response")
-            paste_result_quote = paste_image_button("📋 Paste Image with Quote", key="paste_button_quote")
+            st.markdown(f"###### Quoting: {st.session_state.quote_line}")
+            quote_response = st.text_area("Add your response", key="quote_response", value=st.session_state.message_text)
+            paste_result_quote = paste_image_button("📋 Paste Image or Text with Quote", key="paste_button_quote")
             if paste_result_quote.image_data is not None:
-                st.image(paste_result_quote.image_data, caption="Received Image for Quote")
-                filename = await save_pasted_image(paste_result_quote.image_data, st.session_state.username)
-                if filename:
-                    st.session_state.pasted_image_data = filename  # Store for use in quote submission
+                if isinstance(paste_result_quote.image_data, str):
+                    st.session_state.message_text = paste_result_quote.image_data
+                    st.text_area("Add your response", key="quote_response", value=st.session_state.message_text)
+                else:
+                    st.image(paste_result_quote.image_data, caption="Received Image for Quote")
+                    filename = await save_pasted_image(paste_result_quote.image_data, st.session_state.username)
+                    if filename:
+                        st.session_state.pasted_image_data = filename
+                        await save_chat_entry(st.session_state.username, f"Pasted image: {filename}", quote_line=st.session_state.quote_line, media_file=paste_result_quote.image_data)
             if st.button("Send Quote 🚀", key="send_quote"):
                 markdown_response = f"### Quote Response\n- **Original**: {st.session_state.quote_line}\n- **{st.session_state.username} Replies**: {quote_response}"
                 if st.session_state.pasted_image_data:
                     markdown_response += f"\n- **Image**: ![Pasted Image]({st.session_state.pasted_image_data})"
-                    await save_chat_entry(st.session_state.username, f"Pasted image: {st.session_state.pasted_image_data}")
+                    await save_chat_entry(st.session_state.username, f"Pasted image: {st.session_state.pasted_image_data}", quote_line=st.session_state.quote_line, media_file=st.session_state.pasted_image_data)
                     st.session_state.pasted_image_data = None
-                await save_chat_entry(st.session_state.username, markdown_response)
+                await save_chat_entry(st.session_state.username, markdown_response, is_markdown=True, quote_line=st.session_state.quote_line)
                 st.session_state.quote_line = None
                 st.session_state.message_text = ''
                 st.rerun()
 
-        new_username = st.selectbox("Change Name", [""] + list(FUN_USERNAMES.keys()), index=0)
+        current_selection = st.session_state.username if st.session_state.username in FUN_USERNAMES else ""
+        new_username = st.selectbox("Change Name and Voice", [""] + list(FUN_USERNAMES.keys()), index=(list(FUN_USERNAMES.keys()).index(current_selection) + 1 if current_selection else 0), format_func=lambda x: f"{x} ({FUN_USERNAMES.get(x, 'No Voice')})" if x else "Select a name")
         if new_username and new_username != st.session_state.username:
             await save_chat_entry("System 🌟", f"{st.session_state.username} changed name to {new_username}")
             st.session_state.username = new_username
+            st.session_state.voice = FUN_USERNAMES[new_username]
+            st.markdown(f"**🎙️ Voice Changed**: {st.session_state.voice} 🗣️ for {st.session_state.username}")
             st.rerun()
 
-        message = st.text_input(f"Message as {st.session_state.username}", key="message_input", value=st.session_state.message_text, on_change=lambda: st.session_state.update(message_text=st.session_state.message_input))
-        paste_result_msg = paste_image_button("📋 Paste Image with Message", key="paste_button_msg")
-        if paste_result_msg.image_data is not None:
-            st.image(paste_result_msg.image_data, caption="Received Image for Message")
-            filename = await save_pasted_image(paste_result_msg.image_data, st.session_state.username)
-            if filename:
-                st.session_state.pasted_image_data = filename  # Store for use in message submission
-        if st.button("Send 🚀", key="send_button") and (message.strip() or st.session_state.pasted_image_data):
-            if message.strip():
-                await save_chat_entry(st.session_state.username, message)
-            if st.session_state.pasted_image_data:
-                await save_chat_entry(st.session_state.username, f"Pasted image: {st.session_state.pasted_image_data}")
-                st.session_state.pasted_image_data = None
-            st.session_state.message_text = ''
-            st.rerun()
+        # Message input with Send button - a shared chat’s might, in shared night, in Streamlit’s might! 💬🚀
+        col_input, col_send = st.columns([5, 1])
+        with col_input:
+            message = st.text_input(f"Message as {st.session_state.username} (Voice: {st.session_state.voice})", key="message_input", value=st.session_state.message_text)
+        with col_send:
+            if st.button("Send 🚀", key="send_button"):
+                if message.strip() or st.session_state.pasted_image_data:
+                    await save_chat_entry(st.session_state.username, message if message.strip() else "Image shared", is_markdown=True, media_file=st.session_state.pasted_image_data if st.session_state.pasted_image_data else None, skip_audio=not message.strip())
+                    if st.session_state.pasted_image_data:
+                        st.session_state.pasted_image_data = None
+                st.session_state.message_text = ''
+                st.rerun()
 
-        # Main action tabs and model use choices
-        tab_main = st.radio("Action:", ["🎤 Voice", "📸 Media", "🔍 ArXiv", "📝 Editor"], horizontal=True)
-        useArxiv = st.checkbox("Search Arxiv for Research Paper Answers", value=True)
-        useArxivAudio = st.checkbox("Generate Audio File for Research Paper Answers", value=False)
+        paste_result_msg = paste_image_button("📋 Paste Image or Text with Message", key="paste_button_msg")
+        if paste_result_msg.image_data is not None:
+            if isinstance(paste_result_msg.image_data, str):
+                st.session_state.message_text = paste_result_msg.image_data
+                st.text_input(f"Message as {st.session_state.username} (Voice: {st.session_state.voice})", key="message_input_paste", value=st.session_state.message_text)
+            else:
+                st.image(paste_result_msg.image_data, caption="Received Image for Quote")
+                filename = await save_pasted_image(paste_result_msg.image_data, st.session_state.username)
+                if filename:
+                    await save_chat_entry(st.session_state.username, "Image shared", is_markdown=True, media_file=paste_result_msg.image_data, skip_audio=True)
+                    st.session_state.pasted_image_data = None
+                    st.rerun()
 
-        # Enhanced Media Gallery with Image, Audio, Video
-        st.subheader("Upload Media 🎨🎶🎥")
-        uploaded_file = st.file_uploader("Upload Media", type=['png', 'jpg', 'mp4', 'mp3'])
+    with st.container():
+        st.markdown("###### Upload Media 🎨🎶📜🎥")
+        uploaded_file = st.file_uploader("Upload Media", type=['png', 'jpg', 'mp4', 'mp3', 'wav', 'pdf', 'txt', 'md', 'py'])
         if uploaded_file:
             timestamp = format_timestamp_prefix(st.session_state.username)
             username = st.session_state.username
-            ext = uploaded_file.name.split('.')[-1]
-            filename = f"{timestamp}.{ext}"
-            file_path = os.path.join(MEDIA_DIR, filename)
-            await asyncio.to_thread(lambda: open(file_path, 'wb').write(uploaded_file.getbuffer()))
+            ext = uploaded_file.name.split('.')[-1].lower()
+            if ext in ['png', 'jpg']:
+                filename = await save_pasted_image(uploaded_file, username)
+            elif ext in ['mp4', 'mp3', 'wav']:
+                filename = await save_media(uploaded_file, username, ext)
+            elif ext == 'pdf':
+                pdf_filename, _, _ = await save_pdf_and_generate_audio(uploaded_file, username)
+                filename = pdf_filename
+            else:
+                filename = f"{username}-{timestamp.split('-')[-1]}.{ext}"
+                media_path = os.path.join(MEDIA_DIR, filename)
+                await asyncio.to_thread(lambda: open(media_path, 'wb').write(uploaded_file.getbuffer()))
+            await save_chat_entry(username, f"Uploaded {ext.upper()}: {os.path.basename(filename)}", media_file=uploaded_file, skip_audio=True)
+            shared_memory = get_shared_memory()
+            shared_memory.update_media(os.path.join(MEDIA_DIR, filename))  # Cache media, in sync’s sea, in Streamlit’s sea!
             st.success(f"Uploaded {filename}")
-            await save_chat_entry(username, f"Uploaded media: {file_path}")
-            if file_path.endswith('.mp4'):
-                st.session_state.media_notifications.append(file_path)
-
-        st.subheader("Media Gallery 🎨🎶🎥")
-        media_files = glob.glob(f"{MEDIA_DIR}/*.png") + glob.glob(f"{MEDIA_DIR}/*.jpg") + glob.glob(f"{MEDIA_DIR}/*.mp4") + glob.glob(f"{MEDIA_DIR}/*.mp3")
-        if media_files:
-            media_votes = await load_votes(MEDIA_VOTES_FILE)
-            st.write("### All Media Uploads")
-            seen_files = set()  # Track unique file paths to prevent duplicates
-            for media_file in sorted(media_files, key=os.path.getmtime, reverse=True):
-                if media_file not in seen_files:  # Only add if not already seen
-                    seen_files.add(media_file)
-                    filename = os.path.basename(media_file)
-                    vote_count = media_votes.get(media_file, 0)
-                    
-                    col1, col2 = st.columns([3, 1])
-                    with col1:
-                        st.markdown(f"**{filename}**")
-                        if media_file.endswith(('.png', '.jpg')):
-                            st.image(media_file, use_container_width=True)
-                        elif media_file.endswith('.mp4'):
-                            st.markdown(await get_video_html(media_file), unsafe_allow_html=True)
-                        elif media_file.endswith('.mp3'):
-                            st.markdown(await get_audio_html(media_file), unsafe_allow_html=True)
-                    with col2:
-                        if st.button(f"👍 {vote_count}", key=f"media_vote_{media_file}"):
-                            await save_vote(MEDIA_VOTES_FILE, media_file, await generate_user_hash(), st.session_state.username)
-                            st.rerun()
-
-        st.subheader("Refresh ⏳")
+
+        # Big Red Delete Button - a purge so grand, clearing our shared land, in sync’s sand, in Streamlit’s sand! 🗑️🔥
+        st.markdown("###### 🛑 Danger Zone")
+        if st.button("Try Not To Delete It All On Your First Day", key="delete_all", help="Deletes all user-added files!", type="primary", use_container_width=True):
+            deleted_files = delete_user_files()
+            if deleted_files:
+                st.markdown("### 🗑️ Deleted Files:\n" + "\n".join([f"- `{file}`" for file in deleted_files]))
+                shared_memory = get_shared_memory()
+                shared_memory.clear()  # Clear shared cache on purge, in sync’s surge, in Streamlit’s surge!
+            else:
+                st.markdown("### 🗑️ Nothing to Delete!")
+            st.rerun()
+
+        st.markdown("###### Refresh ⏳")
         refresh_rate = st.slider("Refresh Rate", 1, 300, st.session_state.refresh_rate)
         st.session_state.refresh_rate = refresh_rate
         timer_placeholder = st.empty()
         for i in range(st.session_state.refresh_rate, -1, -1):
             font_name, font_func = random.choice(UNICODE_FONTS)
             countdown_str = "".join(UNICODE_DIGITS[int(d)] for d in str(i)) if i < 10 else font_func(str(i))
-            timer_placeholder.markdown(f"<p class='timer'>⏳ {font_func('Refresh in:')} {countdown_str}</p>", unsafe_allow_html=True)
-            time.sleep(1)  # Use synchronous sleep
+            timer_placeholder.markdown(f"<small>⏳ {font_func('Refresh in:')} {countdown_str}</small>", unsafe_allow_html=True)
+            await asyncio.sleep(1)  # Use asyncio.sleep for async context, in sync’s nest, in Streamlit’s nest!
         st.rerun()
 
-        st.sidebar.subheader("Chat History 📜")
-        with open(HISTORY_FILE, 'r') as f:
+    # Separate Galleries for Own and Shared Files - a shared gallery’s glare, in shared air, in Streamlit’s air! 🖼️🎥
+    with st.container():
+        all_files = glob.glob(os.path.join(MEDIA_DIR, "*.md")) + glob.glob(os.path.join(MEDIA_DIR, "*.pdf")) + glob.glob(os.path.join(MEDIA_DIR, "*.txt")) + glob.glob(os.path.join(MEDIA_DIR, "*.py")) + glob.glob(os.path.join(MEDIA_DIR, "*.png")) + glob.glob(os.path.join(MEDIA_DIR, "*.jpg")) + glob.glob(os.path.join(MEDIA_DIR, "*.mp3")) + glob.glob(os.path.join(MEDIA_DIR, "*.mp4")) + glob.glob(os.path.join(AUDIO_DIR, "*.mp3"))
+        shared_memory = get_shared_memory()
+        own_files = [f for f in all_files if st.session_state.user_id in os.path.basename(f) or st.session_state.username in os.path.basename(f)]
+        shared_files = [f for f in all_files if f not in own_files and not f in [CHAT_FILE, QUOTE_VOTES_FILE, MEDIA_VOTES_FILE, HISTORY_FILE, STATE_FILE, os.path.join(AUDIO_DIR, "*"), os.path.join(MEDIA_DIR, "*")]]
+
+        st.markdown("###### Your Files 📂")
+        st.markdown("###### Image Gallery 🖼")
+        own_image_files = [f for f in own_files if f.endswith(('.png', '.jpg'))]
+        image_cols = st.slider("Image Gallery Columns 🖼 (Own)", min_value=1, max_value=15, value=5)
+        cols = st.columns(image_cols)
+        for idx, image_file in enumerate(own_image_files):
+            with cols[idx % image_cols]:
+                st.image(image_file, use_container_width=True)
+                shared_memory.update_media(image_file)  # Cache media, in sync’s sea, in Streamlit’s sea!
+
+        st.markdown("###### Video Gallery 🎥")
+        own_video_files = [f for f in own_files if f.endswith('.mp4')]
+        video_cols = st.slider("Video Gallery Columns 🎬 (Own)", min_value=1, max_value=5, value=3)
+        cols = st.columns(video_cols)
+        for idx, video_file in enumerate(own_video_files):
+            with cols[idx % video_cols]:
+                st.markdown(get_video_html(video_file), unsafe_allow_html=True)
+                shared_memory.update_media(video_file)  # Cache media, in sync’s lea, in Streamlit’s lea!
+
+        st.markdown("###### Audio Gallery 🎧")
+        own_audio_files = [f for f in own_files if f.endswith(('.mp3', '.wav')) or f.startswith(os.path.join(AUDIO_DIR, "audio_"))]
+        audio_cols = st.slider("Audio Gallery Columns 🎶 (Own)", min_value=1, max_value=15, value=5)
+        cols = st.columns(audio_cols)
+        for idx, audio_file in enumerate(own_audio_files):
+            with cols[idx % audio_cols]:
+                st.markdown(await get_audio_html(audio_file), unsafe_allow_html=True)
+                shared_memory.update_media(audio_file)  # Cache media, in sync’s tea, in Streamlit’s tea!
+
+        st.markdown("###### Shared Files 📤")
+        st.markdown("###### Image Gallery 🖼")
+        shared_image_files = [f for f in shared_files if f.endswith(('.png', '.jpg'))]
+        image_cols = st.slider("Image Gallery Columns 🖼 (Shared)", min_value=1, max_value=15, value=5)
+        cols = st.columns(image_cols)
+        for idx, image_file in enumerate(shared_image_files):
+            with cols[idx % image_cols]:
+                st.image(image_file, use_container_width=True)
+                shared_memory.update_media(image_file)  # Cache media, in sync’s bee, in Streamlit’s bee!
+
+        st.markdown("###### Video Gallery 🎥")
+        shared_video_files = [f for f in shared_files if f.endswith('.mp4')]
+        video_cols = st.slider("Video Gallery Columns 🎬 (Shared)", min_value=1, max_value=5, value=3)
+        cols = st.columns(video_cols)
+        for idx, video_file in enumerate(shared_video_files):
+            with cols[idx % video_cols]:
+                st.markdown(get_video_html(video_file), unsafe_allow_html=True)
+                shared_memory.update_media(video_file)  # Cache media, in sync’s tree, in Streamlit’s tree!
+
+        st.markdown("###### Audio Gallery 🎧")
+        shared_audio_files = [f for f in shared_files if f.endswith(('.mp3', '.wav')) or f.startswith(os.path.join(AUDIO_DIR, "audio_"))]
+        audio_cols = st.slider("Audio Gallery Columns 🎶 (Shared)", min_value=1, max_value=15, value=5)
+        cols = st.columns(audio_cols)
+        for idx, audio_file in enumerate(shared_audio_files):
+            with cols[idx % audio_cols]:
+                st.markdown(await get_audio_html(audio_file), unsafe_allow_html=True)
+                shared_memory.update_media(audio_file)  # Cache media, in sync’s glee, in Streamlit’s glee!
+
+    # Full Log at End with Download - a shared epic’s end, our tale to mend, in sync’s bend, in Streamlit’s end! 📜📥
+    with st.container():
+        st.markdown("###### Full Chat Log 📜")
+        with open(CHAT_FILE, 'r') as f:
             history_content = f.read()
-        st.sidebar.markdown(history_content)
+        st.markdown(history_content)
+        st.download_button("Download Chat Log as .md", history_content, file_name=f"chat_{st.session_state.user_id}.md", mime="text/markdown")
 
-    loop.run_until_complete(async_interface())
+    # Clear Cache Button - purge the cache, a shared epic’s crash, in sync’s flash, in Streamlit’s crash! 🗑️🔄
+    if st.button("Clear Shared Memory Cache", key="clear_cache"):
+        shared_memory = get_shared_memory()
+        shared_memory.clear()
+        st.success("Shared memory cache cleared, a fresh start with a bard’s heart, in sync’s art, in Streamlit’s art! 🌟🎶")
 
 if __name__ == "__main__":
+    """
+    Launch our saga, a shared memory’s cheer, in Streamlit’s cache, our epic year, in sync’s spear, in Streamlit’s year! 🚀✨
+    """
     main()