Addons included.One kernel.

// After editing models/*.go:
make generate   // writes models/zmodels.go (sdk.MustRegister)

// Tables and columns sync additively on install/update.

<view id="view_core_partner_list" model="core.partner" type="list">
    <field name="name" string="Name"/>
    <field name="email" string="Email"/>
    <field name="phone" string="Phone"/>
</view>

<record id="action_sys.audit" model="sys.action.window">
    <field name="core_model">sys.audit</field>
    <field name="view_mode">list,form</field>
</record>

id,name,model,group_id,perm_read,perm_write,perm_create,perm_unlink
access_account_move_user,...,account.move,group_account_invoice,1,1,1,0
access_account_move_manager,...,account.move,group_account_manager,1,1,1,1

# Row rules understand $uid and the active company.

func init() {
    event.Subscribe("record.updated", onSaleOrderToInvoice)
}

// No compile-time import of sale.
// Check the registry before acting.

{
  "jsonrpc": "2.0",
  "method": "call",
  "params": {
    "model": "crm.lead",
    "method": "search_read",
    "args": [[["stage_id", "=", "won"]], ["name", "partner_id"]]
  }
}

// A minute-tick scheduler runs due sys.cron rows
// and publishes cron.tick - no external broker.

// Structured JSON logs and an audit trail
// live in the same PostgreSQL database.