The AI Fields feature now shows a clearer error message when the language model does not provide an answer. This helps users better understand what happened and reduces confusion when an AI-generated response is empty.

Task-4794401

The IoT app demo data now includes examples for a Fiscal Data Module and an Unsupported Device, along with a matching icon. This helps users and sales teams better demonstrate how the app represents different device types, including unsupported hardware.

This PR adds a "Fiscal Data Module" and an "Unsupported Device" to the demo data in the IoT app + it adds a new svg icon file for the unsupported device

![image](https://github.com/user-attachments/assets/1624723d-6867-4e71-83bc-b26fec7a2009)

Related task: 4770381

Server actions now use simpler automatic names, making them easier for users to recognize and manage. The related kanban view was also adjusted so these actions remain clear and consistent in day-to-day workflows.

Task id: opw-4736084

Search operator wording has been updated in spreadsheet document and Studio test coverage to match recent platform changes. This helps keep automated checks aligned with the current user interface and reduces the risk of false test failures.

We adapt some tests in documents_spreadsheet and web_studio to the changes brought by https://github.com/odoo/odoo/pull/210131

Task ID: 4798097

The Belgian chart of accounts now classifies selected payable and receivable accounts as current liabilities or current assets where that better matches their purpose. This improves the accuracy of financial reporting and helps businesses see these balances in the right accounting categories.

In this PR:
- Changed the account types of some accounts from 'payable' to 'current liabilities' and from 'receivable' to 'current assets' to better reflect their nature

task-4813704

Historical inventory valuation reports now show Quantity and Total Value by default instead of remaining quantities and values. This makes past valuation views more relevant and easier for users to interpret.

When viewing the valuation in the past, the default measures 'Remaining Qty' and 'Remaining Value' are irrelevant. Instead, display the 'Quantity' and 'Total Value' measures by default.

opw-4517548

A new automated test checks that changes made to existing Point of Sale records are saved locally and still available after refreshing the system. This helps reduce the risk of losing recent POS updates during everyday use.

This commit adds a test case which ensures that updates in existing records
are properly saved in local database and are available after refresh

opw-4778516

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