Add --debug flag to enable debug logging

Adds --debug command-line flag to bsky.py to enable DEBUG level logging.
This makes the detailed tool call tracking logs visible.

Usage: ac && python bsky.py --debug

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[e-mail]>

bsky.py

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     parser.add_argument('--cleanup-interval', type=int, default=10, help='Run user block cleanup every N cycles (default: 10, 0 to disable)')
     parser.add_argument('--synthesis-interval', type=int, default=600, help='Send synthesis message every N seconds (default: 600 = 10 minutes, 0 to disable)')
     parser.add_argument('--synthesis-only', action='store_true', help='Run in synthesis-only mode (only send synthesis messages, no notification processing)')
+    parser.add_argument('--debug', action='store_true', help='Enable debug logging')
     args = parser.parse_args()
 
     # Initialize configuration with custom path
···
     
     global logger, prompt_logger, console
     logger = logging.getLogger("void_bot")
-    logger.setLevel(logging.INFO)
+    logger.setLevel(logging.DEBUG if args.debug else logging.INFO)
     
     # Create a separate logger for prompts (set to WARNING to hide by default)
     prompt_logger = logging.getLogger("void_bot.prompts")