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/__init__.py

@@ -1 +1,23 @@
 from . import models, controllers
+import logging
+
+_logger = logging.getLogger(__name__)
+
+
+def _create_ai_bot_partner(env):
+    """Create the ActiveBlue AI bot partner via ORM so all field defaults are applied."""
+    XID = 'activeblue_ai.partner_activeblue_ai'
+    if not env.ref(XID, raise_if_not_found=False):
+        partner = env['res.partner'].create({
+            'name': 'ActiveBlue AI',
+            'active': True,
+            'partner_share': False,
+        })
+        env['ir.model.data'].create({
+            'module': 'activeblue_ai',
+            'name': 'partner_activeblue_ai',
+            'model': 'res.partner',
+            'res_id': partner.id,
+            'noupdate': True,
+        })
+        _logger.info('Created ActiveBlue AI bot partner id=%d', partner.id)