Time off types can now have their own notification settings for leave requests and allocations, helping the right people receive more relevant updates. The system also creates the needed notification categories automatically, reducing manual setup for HR teams.

Task: https://www.odoo.com/web#id=42264&model=project.task&view_type=form&menu_id=

This change adds audit notes when key product category and valuation settings are changed, including costing method, inventory valuation, accounts, stock journal, and product category. It also adds chatter to product categories so teams can see a clear history of important configuration changes.

Description of the issue/feature this PR addresses:
Task: https://www.odoo.com/web?#id=1886343&action=333&active_id=131&model=project.task&view_type=form&menu_id=4720
PAD: https://pad.odoo.com/p/r.a75c690f92acfb2e7315b6ede8fa4a94
Current behavior before PR:

Desired behavior after PR is merged:
    - Log a note in the chatter when changing the product category of the product
    - Add a chatter on the product category 



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Adds a new accounting unalterability check system to help verify that posted accounting entries have not been changed improperly. This strengthens audit readiness and supports localization-specific certification needs, especially for French accounting compliance.

-task: https://www.odoo.com/web#id=46942&view_type=form&model=project.task&menu_id=
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Manufacturing operations can now be configured with one-, two-, or three-step flows, including dedicated picking, production input, and production output stages. This gives businesses more control over how materials move before and after production, while also improving warehouse configuration labels and related sales/manufacturing coverage.

Task : https://www.odoo.com/web?#id=27785&view_type=form&model=project.task&action=327&menu_id=4720

Pad : https://pad.odoo.com/p/r.2916bcb2420a08916db1714fa4e40ffa

Adds a guided setup bar to the Accounting dashboard so new users can enter initial company and accounting information step by step. This makes onboarding smoother and reduces confusion during first-time accounting configuration.

task : https://www.odoo.com/web#id=32119&view_type=form&model=project.task&menu_id=

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Forecast sharing is improved so full schedules can be sent to selected employees for a chosen time range. The information is now delivered as a report attachment, making monthly forecast data easier to read and keeping email discussions cleaner.