feat: Portal, Email Inbound, Discuss + module improvements

- Portal: /my/* routes, signup, password reset, portal user support
- Email Inbound: IMAP polling (go-imap/v2), thread matching
- Discuss: mail.channel, long-polling bus, DM, unread count
- Cron: ir.cron runner (goroutine scheduler)
- Bank Import, CSV/Excel Import
- Automation (ir.actions.server)
- Fetchmail service
- HR Payroll model
- Various fixes across account, sale, stock, purchase, crm, hr, project

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

addons/hr/models/init.go

@@ -8,6 +8,9 @@ func Init() {
 	initHRJob()
 	initHrContract()
 
+	// Employee categories (tags)
+	initHrEmployeeCategory()
+
 	// Leave management
 	initHrLeaveType()
 	initHrLeave()
@@ -22,6 +25,25 @@ func Init() {
 	// Skills & Resume
 	initHrSkill()
 
+	// Payroll (salary rules, structures, payslips)
+	initHrPayroll()
+
+	// Employee public view (read-only subset)
+	initHrEmployeePublic()
+
 	// Extend hr.employee with links to new models (must come last)
 	initHrEmployeeExtensions()
+
+	// Leave extensions (batch approve, remaining quota)
+	initHrLeaveExtensions()
+	initHrLeaveTypeExtensions()
+
+	// Leave report (transient model)
+	initHrLeaveReport()
+
+	// Contract cron methods (after contract model is registered)
+	initHrContractCron()
+
+	// Accrual allocation cron (after allocation model is registered)
+	initHrLeaveAccrualCron()
 }