fix(addon): create bot partner via post_init_hook instead of XML

XML record creation bypasses ORM defaults causing NOT NULL violation
on autopost_bills (added by account module). Hook uses ORM create()
which applies all field defaults correctly.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

addons/activeblue_ai/__manifest__.py

@@ -15,7 +15,6 @@ CRM, sales, project management, eLearning, expenses, and HR.
     'data': [
         'security/res_groups.xml',
         'security/ir.model.access.csv',
-        'data/res_partner_bot.xml',
         'data/ir_cron.xml',
         'views/ab_ai_bot_views.xml',
         'views/ab_ai_directive_views.xml',
@@ -35,4 +34,5 @@ CRM, sales, project management, eLearning, expenses, and HR.
     'installable': True,
     'application': True,
     'auto_install': False,
+    'post_init_hook': '_create_ai_bot_partner',
 }