Online Bank Statements: MyPonto.com

This module adds MyPonto.com as an available online bank statement service. On the online bank statement provider form, a new Ponto section appears when the service is set to MyPonto.com, where users enter a Login and a Secret Key.

• The module authenticates against MyPonto.com using those credentials and stores a temporary access token with its expiration date.
• It looks up the Ponto account matching the bank account number configured on the journal; if no match is found, an error is shown.
• It triggers a synchronisation on Ponto before fetching transactions, then downloads transactions page by page for the requested date range.
• Transactions are converted into statement lines with date, reference, name, amount, unique import identifier, and counterpart account number and partner name when available.
• Dates coming from Ponto are in UTC and are converted to the provider's timezone before being used.
• A 'Reset Last identifier' button is shown when a last identifier is stored, allowing users to clear it and re-fetch from the beginning.

The module extends the online.bank.statement.provider model and adds fields for the token, its expiration, and the last imported transaction identifier. It relies on the Online Bank Statements base module for the actual statement creation.