Move all OCA HR modules from oca-technical to dedicated oca-hr submodule

Reorganized 67 HR-related modules for better structure:
- Moved all odoo-bringout-oca-hr-* packages from packages/oca-technical/
- Now organized in dedicated packages/oca-hr/ submodule
- Includes attendance, expense, holiday, employee, and contract modules
- Maintains all module functionality while improving project organization

This creates a cleaner separation between general technical modules
and HR-specific functionality.

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

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

odoo-bringout-oca-hr-hr_employee_service/hr_employee_service/models/__init__.py

@@ -0,0 +1,3 @@
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+from . import hr_employee

odoo-bringout-oca-hr-hr_employee_service/hr_employee_service/models/hr_employee.py

@@ -0,0 +1,115 @@
+# Copyright (C) 2018-2019 Brainbean Apps (https://brainbeanapps.com)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from datetime import timedelta
+from math import fabs
+
+from dateutil.relativedelta import relativedelta
+
+from odoo import api, fields, models
+
+
+class HrEmployee(models.Model):
+    _inherit = "hr.employee"
+
+    service_hire_date = fields.Date(
+        string="Hire Date",
+        groups="hr.group_hr_user",
+        tracking=True,
+        help=(
+            "Hire date is normally the date an employee completes new hire paperwork"
+        ),
+    )
+    service_start_date = fields.Date(
+        string="Start Date",
+        groups="hr.group_hr_user",
+        tracking=True,
+        help=(
+            "Start date is the first day the employee actually works and"
+            " this date is used for accrual leave allocations calculation"
+        ),
+    )
+    service_termination_date = fields.Date(
+        string="Termination Date",
+        related="departure_date",
+        help=(
+            "Termination date is the last day the employee actually works and"
+            " this date is used for accrual leave allocations calculation"
+        ),
+    )
+    service_duration = fields.Integer(
+        groups="hr.group_hr_user",
+        readonly=True,
+        compute="_compute_service_duration",
+        help="Service duration in days",
+    )
+    service_duration_years = fields.Integer(
+        string="Service Duration (years)",
+        groups="hr.group_hr_user",
+        readonly=True,
+        compute="_compute_service_duration_display",
+    )
+    service_duration_months = fields.Integer(
+        string="Service Duration (months)",
+        groups="hr.group_hr_user",
+        readonly=True,
+        compute="_compute_service_duration_display",
+    )
+    service_duration_days = fields.Integer(
+        string="Service Duration (days)",
+        groups="hr.group_hr_user",
+        readonly=True,
+        compute="_compute_service_duration_display",
+    )
+
+    @api.depends("service_start_date", "service_termination_date")
+    def _compute_service_duration(self):
+        for record in self:
+            service_until = record.service_termination_date or fields.Date.today()
+            if record.service_start_date and service_until > record.service_start_date:
+                service_since = record.service_start_date
+                service_duration = fabs(
+                    (service_until - service_since) / timedelta(days=1)
+                )
+                record.service_duration = int(service_duration)
+            else:
+                record.service_duration = 0
+
+    @api.depends("service_start_date", "service_termination_date")
+    def _compute_service_duration_display(self):
+        for record in self:
+            service_until = record.service_termination_date or fields.Date.today()
+            if record.service_start_date and service_until > record.service_start_date:
+                service_duration = relativedelta(
+                    service_until, record.service_start_date
+                )
+                record.service_duration_years = service_duration.years
+                record.service_duration_months = service_duration.months
+                record.service_duration_days = service_duration.days
+            else:
+                record.service_duration_years = 0
+                record.service_duration_months = 0
+                record.service_duration_days = 0
+
+    @api.onchange("service_hire_date")
+    def _onchange_service_hire_date(self):
+        if not self.service_start_date:
+            self.service_start_date = self.service_hire_date
+
+    def get_service_duration_from_date(self, date=None):
+        """
+        Returns the employee service duration for the given date.
+        This function is used in OCA/payroll modules as a helper function
+        to calculate employee service duration calculated for the given date.
+        """
+        self.ensure_one()
+        if not date or not self.service_start_date:
+            return {"years": 0, "months": 0, "days": 0}
+        if date > self.service_start_date:
+            service_duration = relativedelta(date, self.service_start_date)
+            return {
+                "years": service_duration.years,
+                "months": service_duration.months,
+                "days": service_duration.days,
+            }
+        return {"years": 0, "months": 0, "days": 0}