feat(fusion_accounting_followup): inherit account.move.line for level tracking

Made-with: Cursor

fusion_accounting_followup/models/__init__.py

@@ -2,3 +2,4 @@ from . import fusion_followup_level
 from . import fusion_followup_run
 from . import fusion_followup_text_cache
 from . import res_partner
+from . import account_move_line

fusion_accounting_followup/models/account_move_line.py

@@ -0,0 +1,14 @@
+"""Inherit account.move.line: track last follow-up level."""
+
+from odoo import _, api, fields, models
+
+
+class AccountMoveLine(models.Model):
+    _inherit = "account.move.line"
+
+    fusion_followup_level_id = fields.Many2one(
+        'fusion.followup.level', copy=False,
+        help="Last follow-up level at which this line was contacted.")
+    fusion_followup_last_run_date = fields.Datetime(
+        copy=False,
+        help="When the line was most-recently included in a follow-up.")