[RFC] product_contract_analytic_tag: propagate analytic tags from SO lines to contract lines

[carlossainznetkia]

Hi! I’d like to propose a small bridge addon: product_contract_analytic_tag.

What it does
When product_contract creates a contract from a Sales Order line, copy the analytic tags from the sale.order.line to the generated contract.line (provided by contract_analytic_tag). No UI, just propagation. If template tags exist, we’d union them (no duplicates).

Why
Today, analytic tags on SO lines don’t reach the contract lines, which breaks downstream reporting.

Repo & versions
Target repo: OCA/contract.
First target: 16.0. Then backport to 14.0 and forward-port to 18.0.

Dependencies

product_contract

contract_analytic_tag

(Optionally) sale_analytic_tag if needed for SO line tags on older series.

Tests

SO with a contract product + analytic tags → confirm SO → contract created → tags present on contract.line.

Multi-line SO and union behavior.

Happy to open a PR with implementation + tests if there’s consensus. Naming suggestions also welcome!