The claims from delivery feature was migrated to Odoo's newer framework so it remains compatible and easier to maintain. This helps keep delivery-related claim handling working smoothly without changing the core business process.

Task: https://www.odoo.com/web#id=12135&view_type=form&model=project.task&menu_id=3942&action=327
Pad: https://pad.odoo.com/p/r.vWEJtg6p9ynxJXvK

The LDAP authentication module was reorganized and migrated to Odoo's newer internal framework. This should make the login integration easier to maintain and evolve without changing the expected user experience.

Task: https://www.odoo.com/web?#id=12141&view_type=form&model=project.task&menu_id=3942&action=327
Pad: https://pad.odoo.com/p/r.xFYX5Mg1OvARmHLX

The base_iban module was migrated to Odoo's newer application framework structure. This keeps bank account IBAN validation and related partner bank features maintainable and aligned with current platform standards, with minimal expected business impact.

Task : https://www.odoo.com/web#id=12345&view_type=form&model=project.task&menu_id=3942&action=327
Pad: https://pad.odoo.com/p/r.IlzNivUxKnLQpCYt

This update modernizes the Account Accountant add-on so it follows the newer Odoo application structure and API approach. It helps keep the accounting tools maintainable and aligned with the rest of the platform, with minimal expected change for end users.

Description of the issue/feature this PR addresses:

Current behavior before PR:

Desired behavior after PR is merged:
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This update modernizes the payroll accounting module’s internal structure and tests so it better aligns with current Odoo development standards. It also removes unused payroll code, reducing maintenance overhead without changing day-to-day business workflows.

Description of the issue/feature this PR addresses:

Current behavior before PR:

Desired behavior after PR is merged:
## 

I confirm I have signed the CLA and read the PR guidelines at www.odoo.com/submit-pr

The payroll accounting module has been reorganized and migrated to Odoo's newer internal framework. This helps keep payroll accounting easier to maintain and includes updated automated tests to reduce future regression risk.

Task: https://www.odoo.com/web#id=13370&view_type=form&model=project.task&menu_id=3942&action=327
Pad: https://pad.odoo.com/p/r.Ws0xFZiB1QmdyWxB

The bank statement import tools for CAMT, CSV, OFX, and QIF files were updated to use Odoo's newer internal framework. This should make these import options easier to maintain while preserving support for customers who rely on them to bring bank transactions into Odoo.

Task: https://www.odoo.com/web?#id=27405&view_type=form&model=project.task&action=333&active_id=248&menu_id=4720

The Gantt planning component was updated to match the current platform structure by removing outdated migration markers and renaming its template file. This is an internal cleanup that helps keep the module maintainable without changing business workflows.

Task: https://www.odoo.com/web?#id=27492&view_type=form&model=project.task&action=333&active_id=248&menu_id=4720