refactor command routing for future plugins and clearer CLI structure

nanobot/cli/commands.py

@@ -294,7 +294,7 @@ def onboard(
 
     # Run interactive wizard if enabled
     if wizard:
-        from nanobot.cli.onboard_wizard import run_onboard
+        from nanobot.cli.onboard import run_onboard
 
         try:
             result = run_onboard(initial_config=config)

nanobot/cli/onboard.py

@@ -16,7 +16,7 @@ from rich.console import Console
 from rich.panel import Panel
 from rich.table import Table
 
-from nanobot.cli.model_info import (
+from nanobot.cli.models import (
     format_token_count,
     get_model_context_limit,
     get_model_suggestions,