diff --git a/backup_database.py b/backup_database.py
index 414ebc7..23569cf 100755
--- a/backup_database.py
+++ b/backup_database.py
@@ -4,9 +4,8 @@ Database Backup Script for MeshCore Bot
 Creates timestamped backups of all SQLite database files
 """
 
-import sqlite3
-import shutil
 import os
+import sqlite3
 import sys
 from contextlib import closing
 from datetime import datetime
@@ -25,36 +24,36 @@ def backup_database(db_path, backup_dir="backups"):
         Path to the backup file if successful, None otherwise
     """
     db_path = Path(db_path)
-    
+
     if not db_path.exists():
         print(f"Warning: Database file {db_path} does not exist, skipping...")
         return None
-    
+
     # Create backup directory if it doesn't exist
     backup_path = Path(backup_dir)
     backup_path.mkdir(exist_ok=True)
-    
+
     # Generate timestamp string
     timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
-    
+
     # Create backup filename with timestamp
     db_name = db_path.stem
     backup_filename = f"{db_name}_{timestamp}.db"
     backup_file = backup_path / backup_filename
-    
+
     try:
         # Use SQLite backup API for proper backup (handles WAL files correctly)
         with closing(sqlite3.connect(str(db_path))) as source_conn, closing(sqlite3.connect(str(backup_file))) as backup_conn:
             # Perform the backup
             source_conn.backup(backup_conn)
-        
+
         # Get file size for reporting
         file_size = backup_file.stat().st_size
         file_size_mb = file_size / (1024 * 1024)
-        
+
         print(f"✓ Backed up {db_path.name} -> {backup_file.name} ({file_size_mb:.2f} MB)")
         return str(backup_file)
-        
+
     except sqlite3.Error as e:
         print(f"✗ Error backing up {db_path.name}: {e}")
         # Clean up failed backup file
@@ -79,25 +78,25 @@ def check_database_status(db_path):
         Tuple of (is_used, table_count, file_size_mb)
     """
     db_path = Path(db_path)
-    
+
     if not db_path.exists():
         return (False, 0, 0.0)
-    
+
     file_size_mb = db_path.stat().st_size / (1024 * 1024)
-    
+
     try:
         conn = sqlite3.connect(str(db_path))
         with closing(conn):
             cursor = conn.cursor()
-            
+
             # Get list of tables
             cursor.execute("SELECT name FROM sqlite_master WHERE type='table'")
             tables = cursor.fetchall()
             table_count = len(tables)
-        
+
         # Consider database used if it has tables or is larger than 1KB
         is_used = table_count > 0 or file_size_mb > 0.001
-        
+
         return (is_used, table_count, file_size_mb)
     except sqlite3.Error:
         return (False, 0, file_size_mb)
@@ -116,13 +115,13 @@ def find_database_files(root_dir=".", check_usage=True):
     """
     root = Path(root_dir)
     db_files = []
-    
+
     # Find all .db files in root directory (not in subdirectories)
     for db_file in root.glob("*.db"):
         # Skip WAL and SHM files (they're not standalone databases)
         if db_file.suffix == ".db":
             db_files.append(db_file)
-    
+
     # Sort by priority: meshcore_bot.db first (main database), then others
     def sort_key(db_file):
         name = db_file.name.lower()
@@ -132,7 +131,7 @@ def find_database_files(root_dir=".", check_usage=True):
             return (1, name)
         else:
             return (2, name)
-    
+
     return sorted(db_files, key=sort_key)
 
 
@@ -141,75 +140,75 @@ def main():
     # Get script directory (project root)
     script_dir = Path(__file__).parent.absolute()
     os.chdir(script_dir)
-    
+
     print("MeshCore Bot Database Backup")
     print("=" * 50)
     print(f"Working directory: {script_dir}")
     print()
-    
+
     # Find all database files
     db_files = find_database_files(script_dir)
-    
+
     if not db_files:
         print("No database files found in the project root.")
         return 1
-    
+
     print(f"Found {len(db_files)} database file(s):")
-    
+
     # Check which databases are actually used
     active_databases = []
     inactive_databases = []
-    
+
     for db_file in db_files:
         is_used, table_count, file_size = check_database_status(db_file)
         status = "✓ ACTIVE" if is_used else "○ EMPTY/UNUSED"
         print(f"  {status}: {db_file.name} ({table_count} tables, {file_size:.2f} MB)")
-        
+
         if is_used:
             active_databases.append(db_file)
         else:
             inactive_databases.append(db_file)
-    
+
     print()
-    
+
     if not active_databases:
         print("No active databases found. Nothing to backup.")
         return 0
-    
+
     if inactive_databases:
         print(f"Note: {len(inactive_databases)} database(s) appear to be empty/unused and will be skipped.")
         print()
-    
+
     # Create backups (only for active databases)
     backup_dir = script_dir / "backups"
     successful_backups = []
     failed_backups = []
-    
+
     for db_file in active_databases:
         result = backup_database(db_file, backup_dir)
         if result:
             successful_backups.append(result)
         else:
             failed_backups.append(db_file.name)
-    
+
     print()
     print("=" * 50)
-    print(f"Backup Summary:")
+    print("Backup Summary:")
     print(f"  Successful: {len(successful_backups)}")
     print(f"  Failed: {len(failed_backups)}")
-    
+
     if successful_backups:
         print(f"\nBackups saved to: {backup_dir}")
         print("\nRecent backups:")
         for backup in successful_backups:
             print(f"  - {Path(backup).name}")
-    
+
     if failed_backups:
-        print(f"\nFailed to backup:")
+        print("\nFailed to backup:")
         for db in failed_backups:
             print(f"  - {db}")
         return 1
-    
+
     return 0
 
 
diff --git a/generate_website.py b/generate_website.py
index 85aa4f3..c9fabd1 100755
--- a/generate_website.py
+++ b/generate_website.py
@@ -4,27 +4,26 @@ Generate Command Reference Website
 Creates a single-page HTML website with bot introduction and command reference
 """
 
+import argparse
 import configparser
-import sqlite3
-import os
 import html
 import logging
+import os
+import sqlite3
 import sys
-import argparse
-from pathlib import Path
-from typing import Dict, List, Tuple, Optional, Any
 from collections import defaultdict
 from contextlib import closing
+from typing import Any, Optional
 
 # Import bot modules with error handling
 try:
     # Add project root to path
     sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
-    
-    from modules.plugin_loader import PluginLoader
-    from modules.db_manager import DBManager
-    from modules.utils import resolve_path
+
     from modules.config_validation import strip_optional_quotes
+    from modules.db_manager import DBManager
+    from modules.plugin_loader import PluginLoader
+    from modules.utils import resolve_path
 except ImportError as e:
     print("Error: Missing required dependencies.")
     print(f"Details: {e}")
@@ -38,19 +37,19 @@ except ImportError as e:
 
 class MinimalBot:
     """Minimal bot mock for plugin loading without full bot initialization"""
-    
+
     def __init__(self, config, logger, db_manager=None):
         self.config = config
         self.logger = logger
         self.db_manager = db_manager
-        
+
         # Dummy translator
         class DummyTranslator:
             def translate(self, key, **kwargs):
                 return key
             def get_value(self, key):
                 return None
-        
+
         self.translator = DummyTranslator()
         self.command_manager = None  # Will be set after plugin loading
 
@@ -933,7 +932,7 @@ def get_bot_name(config: configparser.ConfigParser) -> str:
     return config.get('Bot', 'bot_name', fallback='MeshCore Bot')
 
 
-def get_admin_commands(config: configparser.ConfigParser) -> List[str]:
+def get_admin_commands(config: configparser.ConfigParser) -> list[str]:
     """Extract admin commands from config"""
     if not config.has_section('Admin_ACL'):
         return []
@@ -949,7 +948,7 @@ def get_website_intro(config: configparser.ConfigParser) -> str:
         intro = config.get('Website', 'introduction_text', fallback='')
         if intro:
             return intro
-    
+
     # Default introduction (first person from bot's perspective)
     bot_name = get_bot_name(config)
     return f"Hi, I'm {bot_name}! I provide various commands to help you interact with the mesh network. Use the commands below to get started."
@@ -961,14 +960,14 @@ def get_website_title(config: configparser.ConfigParser) -> str:
         title = config.get('Website', 'website_title', fallback='')
         if title:
             return title
-    
+
     bot_name = get_bot_name(config)
     return f"{bot_name} - Command Reference"
 
 
-def load_channels_from_config(config: configparser.ConfigParser) -> Dict[str, Dict[str, str]]:
+def load_channels_from_config(config: configparser.ConfigParser) -> dict[str, dict[str, str]]:
     """Load channels from Channels_List section, grouped by category
-    
+
     Returns:
         Dict with structure: {
             'general': {'#channel': 'description', ...},
@@ -977,25 +976,25 @@ def load_channels_from_config(config: configparser.ConfigParser) -> Dict[str, Di
         }
     """
     channels = {'general': {}}
-    
+
     if not config.has_section('Channels_List'):
         return channels
-    
+
     for key, description in config.items('Channels_List'):
         key = key.strip()
         description = description.strip()
-        
+
         if not key or not description:
             continue
-        
+
         # Check if it's a categorized channel (has dot notation)
         if '.' in key:
             category = key.split('.')[0]
             channel_name = key.split('.', 1)[1]
-            
+
             if category not in channels:
                 channels[category] = {}
-            
+
             # Add # prefix if not present
             display_name = channel_name if channel_name.startswith('#') else f"#{channel_name}"
             channels[category][display_name] = description
@@ -1003,7 +1002,7 @@ def load_channels_from_config(config: configparser.ConfigParser) -> Dict[str, Di
             # General channel (no category)
             display_name = key if key.startswith('#') else f"#{key}"
             channels['general'][display_name] = description
-    
+
     # Remove empty categories
     return {cat: chans for cat, chans in channels.items() if chans}
 
@@ -1016,36 +1015,36 @@ def get_database_path(config: configparser.ConfigParser, bot_root: str) -> Optio
     return None
 
 
-def get_command_popularity(db_path: Optional[str], commands: Dict[str, Any]) -> Dict[str, int]:
+def get_command_popularity(db_path: Optional[str], commands: dict[str, Any]) -> dict[str, int]:
     """Get command usage counts from database"""
     popularity = defaultdict(int)
-    
+
     if not db_path or not os.path.exists(db_path):
         return popularity
-    
+
     try:
         with closing(sqlite3.connect(db_path)) as conn:
             cursor = conn.cursor()
-            
+
             # Check if command_stats table exists
             cursor.execute("""
-                SELECT name FROM sqlite_master 
+                SELECT name FROM sqlite_master
                 WHERE type='table' AND name='command_stats'
             """)
             if not cursor.fetchone():
                 return popularity
-            
+
             # Query command usage
             cursor.execute("""
-                SELECT command_name, COUNT(*) as count 
-                FROM command_stats 
+                SELECT command_name, COUNT(*) as count
+                FROM command_stats
                 GROUP BY command_name
             """)
-            
+
             for row in cursor.fetchall():
                 command_name = row[0]
                 count = row[1]
-                
+
                 # Map to primary command name if it's a keyword/alias
                 primary_name = command_name
                 for cmd_name, cmd_instance in commands.items():
@@ -1055,47 +1054,47 @@ def get_command_popularity(db_path: Optional[str], commands: Dict[str, Any]) ->
                     if hasattr(cmd_instance, 'name') and cmd_instance.name == command_name:
                         primary_name = cmd_instance.name
                         break
-                
+
                 popularity[primary_name] += count
     except Exception as e:
         logging.warning(f"Could not query command popularity: {e}")
-    
+
     return popularity
 
 
-def filter_commands(commands: Dict[str, Any], admin_commands: List[str]) -> Dict[str, Any]:
+def filter_commands(commands: dict[str, Any], admin_commands: list[str]) -> dict[str, Any]:
     """Filter out admin and hidden commands"""
     filtered = {}
-    
+
     # Categories to exclude from public reference
     excluded_categories = {'hidden', 'admin', 'system', 'management', 'special'}
-    
+
     for cmd_name, cmd_instance in commands.items():
         # Skip commands in excluded categories
         if hasattr(cmd_instance, 'category') and cmd_instance.category in excluded_categories:
             continue
-        
+
         # Get primary command name
         primary_name = cmd_instance.name if hasattr(cmd_instance, 'name') else cmd_name
-        
+
         # Skip admin commands by name (check both dict key and primary name)
         if cmd_name in admin_commands or primary_name in admin_commands:
             continue
-        
+
         # Skip commands that require admin access
         if hasattr(cmd_instance, 'requires_admin_access') and cmd_instance.requires_admin_access():
             continue
-        
+
         # Skip commands with no keywords (automatic/system commands)
         if hasattr(cmd_instance, 'keywords') and not cmd_instance.keywords:
             continue
-        
+
         filtered[cmd_name] = cmd_instance
-    
+
     return filtered
 
 
-def get_default_command_order() -> List[str]:
+def get_default_command_order() -> list[str]:
     """Get default command ordering when no stats available"""
     return [
         'help', 'ping', 'test',  # Basic
@@ -1105,31 +1104,31 @@ def get_default_command_order() -> List[str]:
     ]
 
 
-def sort_commands_by_popularity(commands: Dict[str, Any], popularity: Dict[str, int]) -> List[Tuple[str, Any]]:
+def sort_commands_by_popularity(commands: dict[str, Any], popularity: dict[str, int]) -> list[tuple[str, Any]]:
     """Sort commands by popularity, with fallback to default order"""
     default_order = get_default_command_order()
-    
+
     # Create list of (name, instance, priority) tuples
     command_list = []
     for cmd_name, cmd_instance in commands.items():
         primary_name = cmd_instance.name if hasattr(cmd_instance, 'name') else cmd_name
-        
+
         # Get popularity count
         count = popularity.get(primary_name, 0)
-        
+
         # Get default priority (lower is better)
         try:
             default_priority = default_order.index(primary_name)
         except ValueError:
             default_priority = 999  # Not in default order
-        
+
         # Priority: popularity count (descending), then default order, then alphabetical
         priority = (-count, default_priority, primary_name.lower())
         command_list.append((priority, cmd_name, cmd_instance))
-    
+
     # Sort by priority
     command_list.sort(key=lambda x: x[0])
-    
+
     # Return (name, instance) tuples
     return [(name, instance) for _, name, instance in command_list]
 
@@ -1139,11 +1138,11 @@ def escape_html(text: str) -> str:
     return html.escape(str(text))
 
 
-def get_channel_info(cmd_instance: Any, monitor_channels: List[str]) -> Optional[str]:
+def get_channel_info(cmd_instance: Any, monitor_channels: list[str]) -> Optional[str]:
     """Get channel restriction information for a command"""
     allowed_channels = getattr(cmd_instance, 'allowed_channels', None)
     requires_dm = getattr(cmd_instance, 'requires_dm', False)
-    
+
     # If command has specific allowed channels configured
     if allowed_channels is not None:
         if allowed_channels == []:
@@ -1162,25 +1161,25 @@ def get_channel_info(cmd_instance: Any, monitor_channels: List[str]) -> Optional
                 return f"Channel: {', '.join(formatted_channels)}"
             else:
                 return f"Channels: {', '.join(formatted_channels)}"
-    
+
     # If command requires DM and has no channel override, it's DM only
     if requires_dm:
         return "DM only"
-    
+
     # No restrictions - works in all monitored channels (don't show anything)
     return None
 
 
-def format_monitor_channels(monitor_channels: List[str], html: bool = False) -> str:
+def format_monitor_channels(monitor_channels: list[str], html: bool = False) -> str:
     """Format monitor channels for display
-    
+
     Args:
         monitor_channels: List of channel names
         html: If True, wrap channel names in span tags for highlighting
     """
     if not monitor_channels:
         return ""
-    
+
     formatted = []
     for ch in monitor_channels:
         ch = ch.strip()
@@ -1188,13 +1187,13 @@ def format_monitor_channels(monitor_channels: List[str], html: bool = False) ->
             channel_name = f"#{ch}"
         else:
             channel_name = ch
-        
+
         if html:
             # Wrap in span for inline highlighting
             formatted.append(f'<span class="channel-highlight">{escape_html(channel_name)}</span>')
         else:
             formatted.append(channel_name)
-    
+
     if len(formatted) == 1:
         return formatted[0]
     elif len(formatted) == 2:
@@ -1203,27 +1202,27 @@ def format_monitor_channels(monitor_channels: List[str], html: bool = False) ->
         return ", ".join(formatted[:-1]) + f", or {formatted[-1]}"
 
 
-def generate_html(bot_name: str, title: str, introduction: str, commands: List[Tuple[str, Any]], monitor_channels: List[str] = None, channels_data: Dict[str, Dict[str, str]] = None, style: str = 'default') -> str:
+def generate_html(bot_name: str, title: str, introduction: str, commands: list[tuple[str, Any]], monitor_channels: list[str] = None, channels_data: dict[str, dict[str, str]] = None, style: str = 'default') -> str:
     """Generate the HTML content"""
-    
+
     if monitor_channels is None:
         monitor_channels = []
-    
+
     if channels_data is None:
         channels_data = {}
-    
+
     # Format monitor channels message to append to introduction
     channels_suffix = ""
     if monitor_channels:
         formatted_channels = format_monitor_channels(monitor_channels, html=True)
         channels_suffix = f" I'll answer you if you send a message in {formatted_channels}."
-    
+
     # Group commands by category
     categories = defaultdict(list)
     for cmd_name, cmd_instance in commands:
         category = getattr(cmd_instance, 'category', 'general')
         categories[category].append((cmd_name, cmd_instance))
-    
+
     # Category display names
     category_names = {
         'basic': 'Basic Commands',
@@ -1239,46 +1238,46 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
         'special': 'Special Commands',
         'general': 'General Commands',
     }
-    
+
     # Build navigation sidebar items
     nav_items = []
-    
+
     # Add command categories to nav (basic first, then alphabetically)
     sorted_categories = sorted(categories.keys())
     if 'basic' in sorted_categories:
         sorted_categories.remove('basic')
         sorted_categories.insert(0, 'basic')
-    
+
     for category in sorted_categories:
         category_display = category_names.get(category, category.title().replace('_', ' '))
         category_id = category.lower().replace('_', '-').replace(' ', '-')
         nav_items.append(('commands', category_display, f'commands-{category_id}'))
-    
+
     # Add channels section to nav if available
     if channels_data:
         nav_items.append(('channels', 'Available Channels', 'channels'))
-        
+
         # Add channel subcategories
-        sorted_channel_categories = ['general'] + sorted([c for c in channels_data.keys() if c != 'general'])
+        sorted_channel_categories = ['general'] + sorted([c for c in channels_data if c != 'general'])
         for category in sorted_channel_categories:
             if category not in channels_data or not channels_data[category]:
                 continue
             category_display = category.title().replace('_', ' ') if category != 'general' else 'General Channels'
             category_id = category.lower().replace('_', '-').replace(' ', '-')
             nav_items.append(('channels-sub', category_display, f'channels-{category_id}'))
-    
+
     # Build navigation sidebar HTML
     nav_html = '<nav class="sidebar-nav">\n'
     nav_html += '  <div class="nav-header">\n'
     nav_html += '    <h3>Navigation</h3>\n'
     nav_html += '  </div>\n'
     nav_html += '  <ul class="nav-list">\n'
-    
+
     # Add Commands section
     if nav_items:
         nav_html += '    <li class="nav-section-header">Commands</li>\n'
         nav_html += '    <ul class="nav-sublist">\n'
-        
+
         for nav_type, display_name, anchor_id in nav_items:
             if nav_type == 'commands':
                 nav_html += f'      <li><a href="#{anchor_id}" class="nav-link nav-sublink">{escape_html(display_name)}</a></li>\n'
@@ -1290,44 +1289,44 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
                 nav_html += f'      <li><a href="#{anchor_id}" class="nav-link nav-sublink">{escape_html(display_name)}</a></li>\n'
             elif nav_type == 'channels-sub':
                 nav_html += f'      <li><a href="#{anchor_id}" class="nav-link nav-sublink">{escape_html(display_name)}</a></li>\n'
-        
+
         nav_html += '    </ul>\n'
-    
+
     nav_html += '  </ul>\n'
     nav_html += '</nav>\n'
-    
+
     # Build command HTML (basic first, then alphabetically)
     commands_html = ""
     sorted_command_categories = sorted(categories.keys())
     if 'basic' in sorted_command_categories:
         sorted_command_categories.remove('basic')
         sorted_command_categories.insert(0, 'basic')
-    
+
     for category in sorted_command_categories:
         category_commands = categories[category]
         category_display = category_names.get(category, category.title().replace('_', ' '))
         # Create anchor ID from category (lowercase, replace spaces with hyphens)
         category_id = category.lower().replace('_', '-').replace(' ', '-')
-        
+
         commands_html += f'<div class="category-section" id="commands-{category_id}">\n'
         commands_html += f'  <h2 class="category-title"><a href="#commands-{category_id}" class="anchor-link">{escape_html(category_display)}</a></h2>\n'
-        commands_html += f'  <div class="commands-grid">\n'
-        
+        commands_html += '  <div class="commands-grid">\n'
+
         for cmd_name, cmd_instance in category_commands:
             primary_name = cmd_instance.name if hasattr(cmd_instance, 'name') else cmd_name
             keywords = getattr(cmd_instance, 'keywords', [])
-            
+
             # Filter out the primary name from keywords to avoid duplication
             aliases = [k for k in keywords if k.lower() != primary_name.lower()]
-            
+
             # Get channel restriction info
             channel_info = get_channel_info(cmd_instance, monitor_channels)
-            
+
             # Get usage information including usage syntax, examples, parameters, and sub-commands
             try:
                 usage_info = cmd_instance.get_usage_info()
                 usage_syntax = usage_info.get('usage', '')
-                examples = usage_info.get('examples', [])
+                usage_info.get('examples', [])
                 parameters = usage_info.get('parameters', [])
                 subcommands = usage_info.get('subcommands', [])
                 # Use short_description for website if available, otherwise fallback to description
@@ -1335,77 +1334,76 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
                 description = short_desc if short_desc else usage_info.get('description', 'No description available')
             except Exception:
                 usage_syntax = ''
-                examples = []
                 parameters = []
                 subcommands = []
                 description = getattr(cmd_instance, 'description', 'No description available')
-            
-            commands_html += f'    <div class="command-card">\n'
-            commands_html += f'      <div class="command-header">\n'
+
+            commands_html += '    <div class="command-card">\n'
+            commands_html += '      <div class="command-header">\n'
             commands_html += f'        <h3 class="command-name">{escape_html(primary_name)}</h3>\n'
             if aliases:
-                commands_html += f'        <div class="command-keywords">\n'
+                commands_html += '        <div class="command-keywords">\n'
                 # Show first 5 aliases
                 visible_aliases = aliases[:5]
                 hidden_aliases = aliases[5:]
-                
+
                 for alias in visible_aliases:
                     commands_html += f'          <span class="keyword-badge">{escape_html(alias)}</span>\n'
-                
+
                 if hidden_aliases:
                     # Store hidden aliases in data attribute and create expandable badge
                     hidden_aliases_json = escape_html(','.join(hidden_aliases))
                     commands_html += f'          <span class="keyword-badge keyword-expand" data-hidden="{hidden_aliases_json}" data-command="{escape_html(primary_name)}">+{len(hidden_aliases)} more</span>\n'
-                
-                commands_html += f'        </div>\n'
-            commands_html += f'      </div>\n'
+
+                commands_html += '        </div>\n'
+            commands_html += '      </div>\n'
             commands_html += f'      <p class="command-description">{escape_html(description)}</p>\n'
-            
+
             # Render usage, examples, parameters, subcommands
             try:
-                
+
                 # Render usage syntax
                 if usage_syntax:
                     commands_html += f'      <div class="command-usage"><code>{escape_html(usage_syntax)}</code></div>\n'
-                
+
                 # Render parameters
                 if parameters:
-                    commands_html += f'      <div class="command-params">\n'
-                    commands_html += f'        <div class="params-header">Parameters:</div>\n'
+                    commands_html += '      <div class="command-params">\n'
+                    commands_html += '        <div class="params-header">Parameters:</div>\n'
                     for param in parameters:
                         param_name = param.get('name', '')
                         param_desc = param.get('description', '')
                         if param_name and param_desc:
-                            commands_html += f'        <div class="param-item">\n'
+                            commands_html += '        <div class="param-item">\n'
                             commands_html += f'          <span class="param-name">{escape_html(param_name)}</span>\n'
                             commands_html += f'          <span class="param-desc">{escape_html(param_desc)}</span>\n'
-                            commands_html += f'        </div>\n'
-                    commands_html += f'      </div>\n'
-                
+                            commands_html += '        </div>\n'
+                    commands_html += '      </div>\n'
+
                 # Render subcommands
                 if subcommands:
-                    commands_html += f'      <div class="command-subcommands">\n'
-                    commands_html += f'        <div class="subcommands-header">Sub-commands:</div>\n'
+                    commands_html += '      <div class="command-subcommands">\n'
+                    commands_html += '        <div class="subcommands-header">Sub-commands:</div>\n'
                     for subcmd in subcommands:
                         subcmd_name = subcmd.get('name', '')
                         subcmd_desc = subcmd.get('description', '')
                         if subcmd_name and subcmd_desc:
-                            commands_html += f'        <div class="subcommand-item">\n'
+                            commands_html += '        <div class="subcommand-item">\n'
                             commands_html += f'          <span class="subcommand-name">{escape_html(subcmd_name)}</span>\n'
                             commands_html += f'          <span class="subcommand-desc">{escape_html(subcmd_desc)}</span>\n'
-                            commands_html += f'        </div>\n'
-                    commands_html += f'      </div>\n'
-            except Exception as e:
+                            commands_html += '        </div>\n'
+                    commands_html += '      </div>\n'
+            except Exception:
                 # Silently fail if get_usage_info() is not available or fails
                 pass
-            
+
             if channel_info:
                 commands_html += f'      <div class="command-channels">{escape_html(channel_info)}</div>\n'
-            commands_html += f'    </div>\n'
-        
-        commands_html += f'  </div>\n'
-        commands_html += f'</div>\n'
-    
+            commands_html += '    </div>\n'
+
+        commands_html += '  </div>\n'
+        commands_html += '</div>\n'
+
     # Build channels HTML if channels are available
     channels_html = ""
     if channels_data:
@@ -1414,31 +1412,31 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
         channels_html += '  <p class="channels-intro">These are semi-public channels that are in use on our local mesh! Join them to connect with others with common interests! <br/> To add these channels to your client, click on the three dot menu and select "Add Channel".</p>\n'
 
         # Sort categories: general first, then alphabetically
-        sorted_categories = ['general'] + sorted([c for c in channels_data.keys() if c != 'general'])
-        
+        sorted_categories = ['general'] + sorted([c for c in channels_data if c != 'general'])
+
         for category in sorted_categories:
             if category not in channels_data or not channels_data[category]:
                 continue
-            
+
             category_display = category.title().replace('_', ' ') if category != 'general' else 'General Channels'
             category_id = category.lower().replace('_', '-').replace(' ', '-')
             channels_html += f'  <div class="channel-category" id="channels-{category_id}">\n'
             channels_html += f'    <h3 class="channel-category-title"><a href="#channels-{category_id}" class="anchor-link">{escape_html(category_display)}</a></h3>\n'
-            channels_html += f'    <div class="channels-grid">\n'
-            
+            channels_html += '    <div class="channels-grid">\n'
+
             # Sort channels alphabetically
             sorted_channels = sorted(channels_data[category].items())
             for channel_name, description in sorted_channels:
-                channels_html += f'      <div class="channel-card">\n'
+                channels_html += '      <div class="channel-card">\n'
                 channels_html += f'        <div class="channel-name">{escape_html(channel_name)}</div>\n'
                 channels_html += f'        <div class="channel-description">{escape_html(description)}</div>\n'
-                channels_html += f'      </div>\n'
-            
-            channels_html += f'    </div>\n'
-            channels_html += f'  </div>\n'
-        
+                channels_html += '      </div>\n'
+
+            channels_html += '    </div>\n'
+            channels_html += '  </div>\n'
+
         channels_html += '</div>\n'
-    
+
     html_content = f"""<!DOCTYPE html>
 <html lang="en">
 <head>
@@ -1452,17 +1450,17 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
         :root {{
             {STYLES[style]['css_vars']}
         }}
-        
+
         * {{
             margin: 0;
             padding: 0;
             box-sizing: border-box;
         }}
-        
+
         html {{
             scroll-behavior: smooth;
         }}
-        
+
         body {{
             font-family: 'Outfit', sans-serif;
             background: var(--bg-primary);
@@ -1471,31 +1469,31 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             overflow-x: hidden;
             line-height: 1.6;
         }}
-        
+
         /* Atmospheric background */
         .atmosphere {{
             position: fixed;
             inset: 0;
-            background: 
+            background:
                 radial-gradient(ellipse 80% 50% at 20% 0%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
                 radial-gradient(ellipse 60% 40% at 80% 100%, rgba(0, 255, 200, 0.05) 0%, transparent 50%),
                 radial-gradient(ellipse 100% 100% at 50% 50%, var(--bg-primary) 0%, #060a0f 100%);
             pointer-events: none;
             z-index: -1;
         }}
-        
+
         /* Subtle grid overlay */
         .grid-overlay {{
             position: fixed;
             inset: 0;
-            background-image: 
+            background-image:
                 linear-gradient(rgba(255,255,255,0.01) 1px, transparent 1px),
                 linear-gradient(90deg, rgba(255,255,255,0.01) 1px, transparent 1px);
             background-size: 60px 60px;
             pointer-events: none;
             z-index: -1;
         }}
-        
+
         .container {{
             max-width: 1600px;
             margin: 0 auto;
@@ -1507,7 +1505,7 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             grid-template-columns: 280px 1fr;
             gap: 3rem;
         }}
-        
+
         .sidebar-nav {{
             position: sticky;
             top: 2rem;
@@ -1523,7 +1521,7 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             opacity: 1;
             filter: none;
         }}
-        
+
         .mobile-menu-toggle {{
             display: none;
             position: fixed;
@@ -1544,17 +1542,17 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
             transition: all 0.3s ease;
         }}
-        
+
         .mobile-menu-toggle:hover {{
             background: var(--bg-card-hover);
             border-color: var(--accent-cyan);
         }}
-        
+
         .mobile-menu-toggle.active {{
             background: var(--bg-card-hover);
             border-color: var(--accent-cyan);
         }}
-        
+
         .hamburger {{
             width: 24px;
             height: 2px;
@@ -1562,19 +1560,19 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             border-radius: 2px;
             transition: all 0.3s ease;
         }}
-        
+
         .mobile-menu-toggle.active .hamburger:nth-child(1) {{
             transform: rotate(45deg) translate(7px, 7px);
         }}
-        
+
         .mobile-menu-toggle.active .hamburger:nth-child(2) {{
             opacity: 0;
         }}
-        
+
         .mobile-menu-toggle.active .hamburger:nth-child(3) {{
             transform: rotate(-45deg) translate(7px, -7px);
         }}
-        
+
         .sidebar-overlay {{
             display: none;
             position: fixed;
@@ -1585,74 +1583,74 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             -webkit-backdrop-filter: none;
             pointer-events: none;
         }}
-        
+
         .sidebar-overlay.visible {{
             pointer-events: auto;
         }}
-        
+
         @media (max-width: 1200px) {{
             .sidebar-overlay.visible {{
                 /* Don't cover the sidebar area - start overlay after sidebar width */
                 left: 280px !important;
             }}
         }}
-        
+
         @media (min-width: 1201px) {{
             .sidebar-overlay {{
                 backdrop-filter: blur(4px);
                 -webkit-backdrop-filter: blur(4px);
             }}
         }}
-        
+
         @media (max-width: 1200px) {{
             .sidebar-overlay {{
                 backdrop-filter: none !important;
                 -webkit-backdrop-filter: none !important;
                 z-index: 1000 !important;
             }}
-            
+
             .sidebar-overlay.visible {{
                 pointer-events: auto !important;
             }}
-            
+
             /* Ensure sidebar is always clickable above overlay */
             .sidebar-nav {{
                 pointer-events: auto !important;
             }}
-            
+
             .sidebar-nav * {{
                 pointer-events: auto !important;
             }}
         }}
-        
+
         .sidebar-overlay.visible {{
             display: block;
         }}
-        
+
         .sidebar-nav::-webkit-scrollbar {{
             width: 6px;
         }}
-        
+
         .sidebar-nav::-webkit-scrollbar-track {{
             background: var(--bg-secondary);
             border-radius: 3px;
         }}
-        
+
         .sidebar-nav::-webkit-scrollbar-thumb {{
             background: var(--border-subtle);
             border-radius: 3px;
         }}
-        
+
         .sidebar-nav::-webkit-scrollbar-thumb:hover {{
             background: rgba(255,255,255,0.15);
         }}
-        
+
         .nav-header {{
             margin-bottom: 1.5rem;
             padding-bottom: 1rem;
             border-bottom: 1px solid var(--border-subtle);
         }}
-        
+
         .nav-header h3 {{
             font-size: 1rem;
             font-weight: 600;
@@ -1661,13 +1659,13 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             letter-spacing: 0.05em;
             font-size: 0.85rem;
         }}
-        
+
         .nav-list {{
             list-style: none;
             padding: 0;
             margin: 0;
         }}
-        
+
         .nav-section-header {{
             font-size: 0.75rem;
             text-transform: uppercase;
@@ -1678,18 +1676,18 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             margin-bottom: 0.75rem;
             padding-left: 0.5rem;
         }}
-        
+
         .nav-section-header:first-child {{
             margin-top: 0;
         }}
-        
+
         .nav-sublist {{
             list-style: none;
             padding: 0;
             margin: 0 0 1rem 0;
             padding-left: 0.5rem;
         }}
-        
+
         .nav-link {{
             display: block;
             padding: 0.6rem 0.75rem;
@@ -1702,13 +1700,13 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             cursor: pointer;
             -webkit-tap-highlight-color: rgba(0, 255, 200, 0.2);
         }}
-        
+
         .nav-link:hover {{
             background: var(--bg-card-hover);
             color: var(--accent-cyan);
             transform: translateX(4px);
         }}
-        
+
         .nav-link:active,
         .nav-link.active {{
             background: rgba(0, 255, 200, 0.1);
@@ -1716,26 +1714,26 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             border-left: 3px solid var(--accent-cyan);
             padding-left: calc(0.75rem - 3px);
         }}
-        
+
         .nav-sublink {{
             padding-left: 1.25rem;
             font-size: 0.85rem;
             color: var(--text-muted);
         }}
-        
+
         .nav-sublink:hover {{
             color: var(--accent-blue);
         }}
-        
+
         .main-content {{
             min-width: 0;
         }}
-        
+
         header {{
             margin-bottom: 4rem;
             padding: 0;
         }}
-        
+
         .header-content {{
             background: var(--bg-card);
             border-radius: 20px;
@@ -1744,7 +1742,7 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             position: relative;
             overflow: hidden;
         }}
-        
+
         .header-content::before {{
             content: '';
             position: absolute;
@@ -1754,14 +1752,14 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             height: 3px;
             background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
         }}
-        
+
         .header-title {{
             display: flex;
             align-items: center;
             gap: 1rem;
             margin-bottom: 1.5rem;
         }}
-        
+
         .logo-icon {{
             display: flex;
             align-items: center;
@@ -1770,7 +1768,7 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             flex-shrink: 0;
             line-height: 1;
         }}
-        
+
         h1 {{
             font-size: 3rem;
             font-weight: 600;
@@ -1779,7 +1777,7 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             letter-spacing: -0.02em;
             font-family: 'Outfit', sans-serif;
         }}
-        
+
         .intro {{
             font-size: 1.1rem;
             color: var(--text-secondary);
@@ -1787,16 +1785,16 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             line-height: 1.8;
             margin-top: 0.5rem;
         }}
-        
+
         .channel-highlight {{
             color: var(--accent-cyan);
             font-weight: 500;
         }}
-        
+
         .category-section {{
             margin-bottom: 3rem;
         }}
-        
+
         .category-title {{
             font-size: 1.75rem;
             font-weight: 600;
@@ -1806,7 +1804,7 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             border-bottom: 1px solid var(--border-subtle);
             letter-spacing: -0.01em;
         }}
-        
+
         .category-title .anchor-link,
         .channel-category-title .anchor-link {{
             color: inherit;
@@ -1814,12 +1812,12 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             position: relative;
             display: inline-block;
         }}
-        
+
         .category-title .anchor-link:hover,
         .channel-category-title .anchor-link:hover {{
             color: var(--accent-cyan);
         }}
-        
+
         .category-title .anchor-link::before {{
             content: '#';
             position: absolute;
@@ -1829,24 +1827,24 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             font-weight: 400;
             transition: opacity 0.2s ease;
         }}
-        
+
         .category-title:hover .anchor-link::before,
         .channel-category-title:hover .anchor-link::before {{
             opacity: 0.5;
         }}
-        
+
         .category-section,
         .channel-category {{
             scroll-margin-top: 2rem;
         }}
-        
+
         .commands-grid {{
             display: grid;
             grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
             gap: 1.25rem;
             margin-bottom: 2rem;
         }}
-        
+
         .command-card {{
             background: var(--bg-card);
             border-radius: 16px;
@@ -1856,7 +1854,7 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             position: relative;
             overflow: hidden;
         }}
-        
+
         .command-card::before {{
             content: '';
             position: absolute;
@@ -1868,24 +1866,24 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             opacity: 0;
             transition: opacity 0.3s ease;
         }}
-        
+
         .command-card:hover {{
             background: var(--bg-card-hover);
             border-color: rgba(255,255,255,0.1);
             transform: translateY(-2px);
         }}
-        
+
         .command-card:hover::before {{
             opacity: 1;
         }}
-        
+
         .command-header {{
             display: flex;
             flex-direction: column;
             gap: 0.75rem;
             margin-bottom: 1rem;
         }}
-        
+
         .command-name {{
             font-size: 1.5rem;
             font-weight: 600;
@@ -1893,13 +1891,13 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             margin: 0;
             letter-spacing: -0.01em;
         }}
-        
+
         .command-keywords {{
             display: flex;
             flex-wrap: wrap;
             gap: 0.5rem;
         }}
-        
+
         .keyword-badge {{
             background: rgba(0, 212, 255, 0.1);
             color: var(--accent-cyan);
@@ -1910,37 +1908,37 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             border: 1px solid rgba(0, 212, 255, 0.2);
             font-family: 'JetBrains Mono', monospace;
         }}
-        
+
         .keyword-expand {{
             cursor: pointer;
             transition: all 0.2s ease;
         }}
-        
+
         .keyword-expand:hover {{
             background: rgba(0, 212, 255, 0.2);
             border-color: var(--accent-cyan);
             transform: scale(1.05);
         }}
-        
+
         .keyword-expand.expanded {{
             display: none;
         }}
-        
+
         .keyword-hidden {{
             display: none;
         }}
-        
+
         .keyword-hidden.visible {{
             display: inline-block;
         }}
-        
+
         .command-description {{
             color: var(--text-secondary);
             line-height: 1.7;
             margin-bottom: 0.75rem;
             font-size: 0.95rem;
         }}
-        
+
         .command-usage {{
             margin: 0.75rem 0;
             padding: 0.6rem 0.9rem;
@@ -1948,19 +1946,19 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             border-radius: 8px;
             border-left: 3px solid var(--accent-blue);
         }}
-        
+
         .command-usage code {{
             font-family: 'JetBrains Mono', monospace;
             font-size: 0.85rem;
             color: var(--accent-cyan);
         }}
-        
+
         .command-params {{
             margin-top: 0.75rem;
             padding-top: 0.75rem;
             border-top: 1px solid var(--border-subtle);
         }}
-        
+
         .params-header {{
             font-size: 0.8rem;
             font-weight: 600;
@@ -1969,7 +1967,7 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             text-transform: uppercase;
             letter-spacing: 0.05em;
         }}
-        
+
         .param-item {{
             display: flex;
             gap: 0.5rem;
@@ -1977,7 +1975,7 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             font-size: 0.85rem;
             align-items: flex-start;
         }}
-        
+
         .param-name {{
             font-family: 'JetBrains Mono', monospace;
             color: var(--accent-orange);
@@ -1985,19 +1983,19 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             min-width: 80px;
             flex-shrink: 0;
         }}
-        
+
         .param-desc {{
             color: var(--text-secondary);
             flex: 1;
             line-height: 1.4;
         }}
-        
+
         .command-subcommands {{
             margin-top: 1rem;
             padding-top: 1rem;
             border-top: 1px solid var(--border-subtle);
         }}
-        
+
         .subcommands-header {{
             font-size: 0.85rem;
             font-weight: 600;
@@ -2006,7 +2004,7 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             text-transform: uppercase;
             letter-spacing: 0.05em;
         }}
-        
+
         .subcommand-item {{
             display: flex;
             gap: 0.75rem;
@@ -2014,7 +2012,7 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             font-size: 0.9rem;
             align-items: flex-start;
         }}
-        
+
         .subcommand-name {{
             font-family: 'JetBrains Mono', monospace;
             color: var(--accent-cyan);
@@ -2022,13 +2020,13 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             min-width: 100px;
             flex-shrink: 0;
         }}
-        
+
         .subcommand-desc {{
             color: var(--text-secondary);
             flex: 1;
             line-height: 1.5;
         }}
-        
+
         .command-channels {{
             color: var(--accent-cyan);
             font-size: 0.85rem;
@@ -2040,18 +2038,18 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             font-family: 'JetBrains Mono', monospace;
             font-weight: 500;
         }}
-        
+
         .channels-intro {{
             color: var(--text-secondary);
             font-size: 1rem;
             margin-bottom: 2rem;
             line-height: 1.7;
         }}
-        
+
         .channel-category {{
             margin-bottom: 2.5rem;
         }}
-        
+
         .channel-category-title {{
             font-size: 1.25rem;
             font-weight: 600;
@@ -2059,7 +2057,7 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             margin-bottom: 1rem;
             letter-spacing: -0.01em;
         }}
-        
+
         .channel-category-title .anchor-link::before {{
             content: '#';
             position: absolute;
@@ -2069,13 +2067,13 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             font-weight: 400;
             transition: opacity 0.2s ease;
         }}
-        
+
         .channels-grid {{
             display: grid;
             grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
             gap: 1rem;
         }}
-        
+
         .channel-card {{
             background: var(--bg-card);
             border-radius: 12px;
@@ -2083,13 +2081,13 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             border: 1px solid var(--border-subtle);
             transition: all 0.3s ease;
         }}
-        
+
         .channel-card:hover {{
             background: var(--bg-card-hover);
             border-color: rgba(0, 212, 255, 0.3);
             transform: translateY(-2px);
         }}
-        
+
         .channel-name {{
             font-family: 'JetBrains Mono', monospace;
             font-size: 1.1rem;
@@ -2097,13 +2095,13 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             color: var(--accent-cyan);
             margin-bottom: 0.5rem;
         }}
-        
+
         .channel-description {{
             color: var(--text-secondary);
             font-size: 0.9rem;
             line-height: 1.6;
         }}
-        
+
         footer {{
             text-align: center;
             margin-top: 4rem;
@@ -2112,28 +2110,28 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
             font-size: 0.9rem;
             border-top: 1px solid var(--border-subtle);
         }}
-        
+
         @media (max-width: 1200px) {{
             .commands-grid {{
                 grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
             }}
         }}
-        
+
         @media (max-width: 1200px) {{
             /* Disable all backdrop filters on mobile */
             * {{
                 backdrop-filter: none !important;
                 -webkit-backdrop-filter: none !important;
             }}
-            
+
             .container {{
                 grid-template-columns: 1fr !important;
             }}
-            
+
             .mobile-menu-toggle {{
                 display: flex;
             }}
-            
+
             .sidebar-nav {{
                 position: fixed !important;
                 top: 0 !important;
@@ -2169,11 +2167,11 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
                 -webkit-transform: translateZ(0) !important;
                 transform: translateZ(0) !important;
             }}
-            
+
             .sidebar-nav.open {{
                 left: 0 !important;
             }}
-            
+
             .sidebar-nav * {{
                 opacity: 1 !important;
                 filter: none !important;
@@ -2184,13 +2182,13 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
                 -moz-osx-font-smoothing: grayscale !important;
                 pointer-events: auto !important;
             }}
-            
+
             .sidebar-nav .nav-header h3 {{
                 color: #e8edf4 !important;
                 opacity: 1 !important;
                 text-shadow: none !important;
             }}
-            
+
             .sidebar-nav .nav-link {{
                 color: #8892a4 !important;
                 opacity: 1 !important;
@@ -2199,24 +2197,24 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
                 cursor: pointer !important;
                 -webkit-tap-highlight-color: rgba(0, 255, 200, 0.2) !important;
             }}
-            
+
             .sidebar-nav .nav-link:hover,
             .sidebar-nav .nav-link:active {{
                 color: #00ffc8 !important;
                 opacity: 1 !important;
             }}
-            
+
             .sidebar-nav .nav-section-header {{
                 color: #8892a4 !important;
                 opacity: 1 !important;
                 text-shadow: none !important;
             }}
-            
+
             .main-content {{
                 margin-top: 0;
             }}
         }}
-        
+
         @media (min-width: 1201px) {{
             .sidebar-nav {{
                 position: sticky !important;
@@ -2241,46 +2239,46 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
                 visibility: visible !important;
             }}
         }}
-        
+
         @media (max-width: 768px) {{
             .container {{
                 padding: 2rem 1rem;
             }}
-            
+
             .header-content {{
                 padding: 2rem 1.5rem;
             }}
-            
+
             .header-title {{
                 flex-direction: column;
                 align-items: flex-start;
                 gap: 0.75rem;
             }}
-            
+
             .logo-icon {{
                 width: 48px;
                 height: 48px;
                 font-size: 1.5rem;
             }}
-            
+
             h1 {{
                 font-size: 2.25rem;
             }}
-            
+
             .commands-grid {{
                 grid-template-columns: 1fr;
             }}
-            
+
             .sidebar-nav {{
                 padding: 1rem;
                 width: calc(100vw - 3rem);
                 left: calc(-100vw + 3rem);
             }}
-            
+
             .sidebar-nav.open {{
                 left: 0;
             }}
-            
+
             .mobile-menu-toggle {{
                 top: 1rem;
                 right: 1rem;
@@ -2294,18 +2292,18 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
 <body>
     <div class="atmosphere"></div>
     <div class="grid-overlay"></div>
-    
+
     <div class="sidebar-overlay"></div>
-    
+
     <button class="mobile-menu-toggle" aria-label="Toggle navigation menu">
         <span class="hamburger"></span>
         <span class="hamburger"></span>
         <span class="hamburger"></span>
     </button>
-    
+
     <div class="container">
         {nav_html}
-        
+
         <div class="main-content">
             <header>
                 <div class="header-content">
@@ -2317,27 +2315,27 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
                     </div>
                 </div>
             </header>
-            
+
             <main>
                 {commands_html}
                 {channels_html}
             </main>
-            
+
             <footer>
                 <p>Generated command reference for {escape_html(bot_name)}</p>
             </footer>
         </div>
     </div>
-    
+
     <script>
         // Handle mobile menu toggle
         (function() {{
             'use strict';
-            
+
             const menuToggle = document.querySelector('.mobile-menu-toggle');
             const sidebar = document.querySelector('.sidebar-nav');
             const overlay = document.querySelector('.sidebar-overlay');
-            
+
             if (menuToggle && sidebar) {{
                 function toggleMenu() {{
                     const isOpen = sidebar.classList.contains('open');
@@ -2355,7 +2353,7 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
                         }}
                     }}
                 }}
-                
+
                 function closeMenu() {{
                     menuToggle.classList.remove('active');
                     sidebar.classList.remove('open');
@@ -2363,21 +2361,21 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
                         overlay.classList.remove('visible');
                     }}
                 }}
-                
+
                 menuToggle.addEventListener('click', function(e) {{
                     e.stopPropagation();
                     e.preventDefault();
                     toggleMenu();
                     return false;
                 }});
-                
+
                 // Handle overlay clicks - overlay now only covers area after sidebar
                 if (overlay) {{
                     overlay.addEventListener('click', function(e) {{
                         closeMenu();
                     }});
                 }}
-                
+
                 // Handle nav link clicks - don't prevent default, let browser handle navigation
                 const navLinks = sidebar.querySelectorAll('.nav-link');
                 navLinks.forEach(link => {{
@@ -2391,18 +2389,18 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
                     }});
                 }});
             }}
-            
+
             // Handle keyword expansion
             const expandButtons = document.querySelectorAll('.keyword-expand');
-            
+
             expandButtons.forEach(button => {{
                 button.addEventListener('click', function() {{
                     const hiddenAliases = this.getAttribute('data-hidden').split(',');
                     const commandKeywords = this.closest('.command-keywords');
-                    
+
                     // Hide the expand button
                     this.classList.add('expanded');
-                    
+
                     // Add hidden aliases as visible badges
                     hiddenAliases.forEach(alias => {{
                         const badge = document.createElement('span');
@@ -2416,7 +2414,7 @@ def generate_html(bot_name: str, title: str, introduction: str, commands: List[T
     </script>
 </body>
 </html>"""
-    
+
     return html_content
 
 
@@ -2425,7 +2423,7 @@ def list_styles():
     print("Available styles:\n")
 
     # Calculate max name length for alignment
-    max_len = max(len(name) for name in STYLES.keys())
+    max_len = max(len(name) for name in STYLES)
 
     for style_name, style_info in STYLES.items():
         padding = ' ' * (max_len - len(style_name))
@@ -2491,7 +2489,7 @@ def generate_samples(config_file):
 
     # Generate a page for each style
     generated_files = []
-    for style_name in STYLES.keys():
+    for style_name in STYLES:
         logger.info(f"Generating {style_name}.html...")
 
         html_content = generate_html(
@@ -2588,7 +2586,7 @@ def generate_samples(config_file):
     <div class="styles-grid">
 """
 
-    for style_name in STYLES.keys():
+    for style_name in STYLES:
         style_info = STYLES[style_name]
         index_html += f"""        <a href="{style_name}.html" class="style-link">
             <div class="style-name">{escape_html(style_info['name'])}</div>
@@ -2608,7 +2606,7 @@ def generate_samples(config_file):
     logger.info(f"  ✓ {index_path}")
     logger.info(f"\nGenerated {len(generated_files)} style samples + index.html in {output_dir}")
     print(f"\n✓ Sample files generated in {output_dir}/")
-    print(f"  - index.html (style browser)")
+    print("  - index.html (style browser)")
     for style_name in generated_files:
         print(f"  - {style_name}.html")
 
@@ -2663,38 +2661,38 @@ def main():
 
     config_file = args.config
     style = args.style
-    
+
     try:
         # Read config
         logger.info(f"Reading config from {config_file}")
         config = read_config(config_file)
-        
+
         # Get bot root directory
         bot_root = os.path.dirname(os.path.abspath(config_file))
         if not bot_root:
             bot_root = os.getcwd()
-        
+
         # Get bot information
         bot_name = get_bot_name(config)
         admin_commands = get_admin_commands(config)
         introduction = get_website_intro(config)
         title = get_website_title(config)
-        
+
         # Get monitor channels for channel restriction display (quoted or unquoted)
         monitor_channels_str = strip_optional_quotes(config.get('Channels', 'monitor_channels', fallback=''))
         monitor_channels = [ch.strip() for ch in monitor_channels_str.split(',') if ch.strip()]
-        
+
         # Load channels from Channels_List section
         channels_data = load_channels_from_config(config)
         logger.info(f"Loaded {sum(len(chans) for chans in channels_data.values())} channels from {len(channels_data)} categories")
-        
+
         logger.info(f"Bot name: {bot_name}")
         logger.info(f"Admin commands: {admin_commands}")
         logger.info(f"Monitor channels: {monitor_channels}")
-        
+
         # Setup minimal bot for plugin loading
         minimal_bot = MinimalBot(config, logger)
-        
+
         # Initialize database manager if database exists
         db_path = get_database_path(config, bot_root)
         if db_path and os.path.exists(db_path):
@@ -2707,21 +2705,21 @@ def main():
         else:
             logger.info("No database found, using default command ordering")
             minimal_bot.db_manager = None
-        
+
         # Load plugins
         logger.info("Loading command plugins...")
         plugin_loader = PluginLoader(minimal_bot)
         commands = plugin_loader.load_all_plugins()
         logger.info(f"Loaded {len(commands)} commands")
-        
+
         # Filter out admin and hidden commands
         filtered_commands = filter_commands(commands, admin_commands)
         logger.info(f"Filtered to {len(filtered_commands)} public commands")
-        
+
         # Log which commands are included
         included_names = sorted([cmd.name if hasattr(cmd, 'name') else name for name, cmd in filtered_commands.items()])
         logger.info(f"Included commands: {', '.join(included_names)}")
-        
+
         # Log which commands were excluded (for debugging)
         excluded = []
         for cmd_name, cmd_instance in commands.items():
@@ -2731,32 +2729,32 @@ def main():
                 excluded.append(f"{primary_name} ({category})")
         if excluded:
             logger.debug(f"Excluded commands: {', '.join(excluded)}")
-        
+
         # Get command popularity
         popularity = get_command_popularity(db_path, filtered_commands)
-        
+
         # Sort commands by popularity
         sorted_commands = sort_commands_by_popularity(filtered_commands, popularity)
-        
+
         # Generate HTML
         logger.info("Generating HTML...")
         html_content = generate_html(bot_name, title, introduction, sorted_commands, monitor_channels, channels_data, style)
-        
+
         # Create website directory
         website_dir = os.path.join(bot_root, "website")
         os.makedirs(website_dir, exist_ok=True)
-        
+
         # Write HTML file
         output_file = os.path.join(website_dir, "index.html")
         with open(output_file, 'w', encoding='utf-8') as f:
             f.write(html_content)
-        
+
         logger.info(f"Website generated successfully: {output_file}")
         print(f"\n✓ Website generated: {output_file}")
         print(f"  Bot: {bot_name}")
         print(f"  Commands: {len(sorted_commands)}")
         print(f"  Output: {output_file}")
-        
+
     except Exception as e:
         logger.error(f"Error generating website: {e}", exc_info=True)
         sys.exit(1)
diff --git a/meshcore_bot.py b/meshcore_bot.py
index 017004c..9cf60ff 100644
--- a/meshcore_bot.py
+++ b/meshcore_bot.py
@@ -56,7 +56,6 @@ def main():
     if args.validate_config:
         from modules.config_validation import (
             SEVERITY_ERROR,
-            SEVERITY_INFO,
             SEVERITY_WARNING,
             validate_config,
         )
@@ -74,7 +73,7 @@ def main():
 
     from modules.core import MeshCoreBot
     bot = MeshCoreBot(config_file=args.config)
-    
+
     # Use asyncio.run() which handles KeyboardInterrupt properly
     # For SIGTERM, we'll handle it in the async context
     async def run_bot():
@@ -149,7 +148,7 @@ def main():
                 await bot.start()
             finally:
                 await bot.stop()
-    
+
     try:
         asyncio.run(run_bot())
     except KeyboardInterrupt:
diff --git a/migrate_webviewer_db.py b/migrate_webviewer_db.py
index ac00626..ca68410 100644
--- a/migrate_webviewer_db.py
+++ b/migrate_webviewer_db.py
@@ -57,7 +57,7 @@ def main() -> int:
             )
             if cur.fetchone() is None:
                 conn.execute("DETACH DATABASE src")
-                print(f"Source database has no packet_stream table; nothing to migrate.", file=sys.stderr)
+                print("Source database has no packet_stream table; nothing to migrate.", file=sys.stderr)
                 return 0
 
             # Copy rows from source; skip ids that already exist in target (INSERT OR IGNORE)
diff --git a/scripts/build-deb.sh b/scripts/build-deb.sh
index ccdaadd..3898ad6 100755
--- a/scripts/build-deb.sh
+++ b/scripts/build-deb.sh
@@ -18,6 +18,14 @@ if [[ -z "${VERSION}" ]]; then
                grep -Po '(?<=^version = ")([^"]+)' "${PROJECT_ROOT}/pyproject.toml" || echo "0.9.0")"
 fi
 
+# Validate VERSION: must be semver-like (digits and dots only) to prevent
+# shell injection via the unquoted <<EOF heredoc below.
+if [[ ! "${VERSION}" =~ ^[0-9]+\.[0-9]+(\.[0-9]+)?([~+][A-Za-z0-9._-]+)?$ ]]; then
+    echo "ERROR: Invalid version string: '${VERSION}'" >&2
+    echo "       Must match semver format, e.g. 1.2.3 or 1.2.3~rc1" >&2
+    exit 1
+fi
+
 PACKAGE_NAME="meshcore-bot"
 ARCH="all"
 INSTALL_ROOT="/opt/meshcore-bot"
diff --git a/scripts/config_tui.py b/scripts/config_tui.py
index a75cb02..a227367 100755
--- a/scripts/config_tui.py
+++ b/scripts/config_tui.py
@@ -29,13 +29,10 @@ Navigation:
 
 import configparser
 import curses
-import os
-import re
 import sys
 import textwrap
 from pathlib import Path
-from typing import Dict, List, Optional, Tuple
-
+from typing import Optional
 
 # ---------------------------------------------------------------------------
 # Helpers
@@ -58,20 +55,20 @@ def load_config(path: Path) -> configparser.ConfigParser:
     if path.exists():
         try:
             cfg.read(str(path), encoding="utf-8")
-        except (configparser.Error, IOError, OSError, UnicodeDecodeError) as e:
+        except (configparser.Error, OSError, UnicodeDecodeError) as e:
             # Return empty config rather than crash; caller may show a warning
             cfg._load_error = str(e)  # type: ignore[attr-defined]
     return cfg
 
 
-def load_example_comments(example_path: Path) -> Dict[str, Dict[str, str]]:
+def load_example_comments(example_path: Path) -> dict[str, dict[str, str]]:
     """Parse config.ini.example — return {section: {key: comment_text}}."""
-    comments: Dict[str, Dict[str, str]] = {}
+    comments: dict[str, dict[str, str]] = {}
     if not example_path.exists():
         return comments
     try:
         current_section = ""
-        pending: List[str] = []
+        pending: list[str] = []
         with open(example_path, encoding="utf-8", errors="replace") as fh:
             for line in fh:
                 stripped = line.strip()
@@ -88,14 +85,14 @@ def load_example_comments(example_path: Path) -> Dict[str, Dict[str, str]]:
                     pending = []
                 else:
                     pending = []
-    except (IOError, OSError, UnicodeDecodeError):
+    except (OSError, UnicodeDecodeError):
         pass
     return comments
 
 
-def load_example_lines(example_path: Path) -> Dict[str, Dict[str, str]]:
+def load_example_lines(example_path: Path) -> dict[str, dict[str, str]]:
     """Return {section: {key: 'full raw line from example'}}."""
-    lines: Dict[str, Dict[str, str]] = {}
+    lines: dict[str, dict[str, str]] = {}
     if not example_path.exists():
         return lines
     try:
@@ -110,14 +107,14 @@ def load_example_lines(example_path: Path) -> Dict[str, Dict[str, str]]:
                     key = stripped.split("=", 1)[0].strip()
                     if current_section:
                         lines.setdefault(current_section, {})[key] = stripped
-    except (IOError, OSError, UnicodeDecodeError):
+    except (OSError, UnicodeDecodeError):
         pass
     return lines
 
 
-def load_example_keys(example_path: Path) -> Dict[str, Dict[str, str]]:
+def load_example_keys(example_path: Path) -> dict[str, dict[str, str]]:
     """Return {section: {key: default_value}} from config.ini.example."""
-    keys: Dict[str, Dict[str, str]] = {}
+    keys: dict[str, dict[str, str]] = {}
     if not example_path.exists():
         return keys
     try:
@@ -129,17 +126,17 @@ def load_example_keys(example_path: Path) -> Dict[str, Dict[str, str]]:
                 keys[section] = dict(cfg.items(section))
             except configparser.Error:
                 keys[section] = {}
-    except (configparser.Error, IOError, OSError, UnicodeDecodeError):
+    except (configparser.Error, OSError, UnicodeDecodeError):
         pass
     return keys
 
 
 def validate_config(
     cfg: configparser.ConfigParser,
-    example_keys: Dict[str, Dict[str, str]],
-) -> List[Tuple[str, str, str]]:
+    example_keys: dict[str, dict[str, str]],
+) -> list[tuple[str, str, str]]:
     """Return list of (severity, section, message) issues."""
-    issues: List[Tuple[str, str, str]] = []
+    issues: list[tuple[str, str, str]] = []
     try:
         required = {
             "Connection": {"connection_type"},
@@ -174,10 +171,10 @@ def validate_config(
 
 def migrate_config(
     cfg: configparser.ConfigParser,
-    example_keys: Dict[str, Dict[str, str]],
-    example_comments: Dict[str, Dict[str, str]],
-) -> List[str]:
-    changes: List[str] = []
+    example_keys: dict[str, dict[str, str]],
+    example_comments: dict[str, dict[str, str]],
+) -> list[str]:
+    changes: list[str] = []
     for section, keys in example_keys.items():
         if not cfg.has_section(section):
             try:
@@ -201,13 +198,13 @@ def migrate_config(
 def save_config(cfg: configparser.ConfigParser, path: Path) -> None:
     try:
         path.parent.mkdir(parents=True, exist_ok=True)
-    except (IOError, OSError, PermissionError) as e:
-        raise IOError(f"Cannot create directory {path.parent}: {e}") from e
+    except (OSError, PermissionError) as e:
+        raise OSError(f"Cannot create directory {path.parent}: {e}") from e
     try:
         with open(path, "w", encoding="utf-8") as fh:
             cfg.write(fh)
-    except (IOError, OSError, PermissionError) as e:
-        raise IOError(f"Cannot write {path}: {e}") from e
+    except (OSError, PermissionError) as e:
+        raise OSError(f"Cannot write {path}: {e}") from e
 
 
 # ---------------------------------------------------------------------------
@@ -219,9 +216,9 @@ class TUIState:
         self,
         cfg: configparser.ConfigParser,
         path: Path,
-        example_keys: Dict[str, Dict[str, str]],
-        example_comments: Dict[str, Dict[str, str]],
-        example_lines: Dict[str, Dict[str, str]],
+        example_keys: dict[str, dict[str, str]],
+        example_comments: dict[str, dict[str, str]],
+        example_lines: dict[str, dict[str, str]],
     ) -> None:
         self.cfg = cfg
         self.path = path
@@ -229,7 +226,7 @@ class TUIState:
         self.example_comments = example_comments
         self.example_lines = example_lines
         self.dirty = False
-        self.sections: List[str] = []
+        self.sections: list[str] = []
         try:
             self.sections = cfg.sections()
         except Exception:
@@ -245,7 +242,7 @@ class TUIState:
             return ""
         return self.sections[self.section_idx]
 
-    def current_keys(self) -> List[str]:
+    def current_keys(self) -> list[str]:
         s = self.current_section()
         if not s:
             return []
@@ -442,7 +439,7 @@ def draw_hint_line(win, state: TUIState, top: int, left: int, width: int) -> Non
 # Overlays
 # ---------------------------------------------------------------------------
 
-def show_overlay(stdscr, title: str, items: List[Tuple[str, str, str]]) -> None:
+def show_overlay(stdscr, title: str, items: list[tuple[str, str, str]]) -> None:
     """Generic scrollable list overlay. Items: (tag, section, message)."""
     try:
         curses.curs_set(0)
@@ -561,7 +558,7 @@ def show_key_help(stdscr, state: TUIState) -> None:
             current_val = "(error reading value)"
         default_val = state.example_keys.get(section, {}).get(key, "")
 
-        lines: List[Tuple[str, str, str]] = [
+        lines: list[tuple[str, str, str]] = [
             ("INFO", "Section", section),
             ("INFO", "Key", key),
             ("INFO", "Current value", repr(current_val)),
@@ -1189,7 +1186,7 @@ def main() -> None:
             print(f"config.ini not found — creating from {example_path.name}…")
             shutil.copy(str(example_path), str(config_path))
             print(f"Created {config_path}")
-        except (IOError, OSError, shutil.Error) as e:
+        except (OSError, shutil.Error) as e:
             print(f"ERROR: Could not create config from example: {e}", file=sys.stderr)
             sys.exit(1)
 
diff --git a/scripts/update_todos.py b/scripts/update_todos.py
index fd612cd..8c76ac8 100644
--- a/scripts/update_todos.py
+++ b/scripts/update_todos.py
@@ -92,7 +92,7 @@ def build_section(todos, today: str) -> str:
             continue
         lines.append(f"### {emoji.get(marker, '')} {marker}\n")
         for rel, lineno, text in sorted(by_marker[marker]):
-            label = text if text else f"(no description — see file)"
+            label = text if text else "(no description — see file)"
             lines.append(f"- [ ] **`{rel}:{lineno}`** — {label}")
         lines.append("")
 
diff --git a/tests/test_command_manager.py b/tests/test_command_manager.py
index 02e117b..bfa0a46 100644
--- a/tests/test_command_manager.py
+++ b/tests/test_command_manager.py
@@ -41,6 +41,7 @@ def cm_bot(mock_logger):
     bot.bot_tx_rate_limiter = Mock()
     bot.bot_tx_rate_limiter.wait_for_tx = Mock()
     bot.tx_delay_ms = 0
+    bot.is_radio_zombie = False
     return bot
 
 
@@ -553,6 +554,7 @@ class TestSendChannelMessageRetry:
 
     def _setup_bot(self, cm_bot):
         cm_bot.connected = True
+        cm_bot.is_radio_zombie = False
         cm_bot.channel_manager = Mock()
         cm_bot.channel_manager.get_channel_number = Mock(return_value=2)
         cm_bot.meshcore = Mock()
diff --git a/validate_config.py b/validate_config.py
index b94bdd6..8661fa8 100644
--- a/validate_config.py
+++ b/validate_config.py
@@ -11,7 +11,6 @@ import sys
 
 from modules.config_validation import (
     SEVERITY_ERROR,
-    SEVERITY_INFO,
     SEVERITY_WARNING,
     validate_config,
 )