* db migration, new sales log fields
* Add new staircasing transaction section
* Update tests
* Lint
* Add tests
* Use log methods
* Lint
* Update test
* Remove compact
* Change section display condition
* CLDC-3760: Sales - firststair and numstair staircasing questions validations (#2793)
* Add validation to new questions firststair and numstair
* Remove page headers on single question page
* Remove page
* More useful page header
* Show don't know option from 2025 onwards
* Add page header to monthly rent only for the version with two questions on the page
* Remove page header staircase initial date only page
* Update displayed answer options
* Fix lint
* Updates after merge
* Update test
* Update tests
* CLDC-3753: Update soft income validations
* Update tests
* Fix linting
* Include reference to informative text translations copy
* Combine min and max checks for income based on ecstat
* Fixes
* Update tests
* Add shared ownership initial purchase subsection
* Display correct subsection based on year
* Update some content
* Update LivingBeforePurchase routing
* Update routing and check for page existence in guidance
* Add management fee questions
* Only check the subsections relevant to the form
* Update content
* Update financial calculations text
* Create 2025 versions of these questions
* Remove blank line
* Update copy and use 2025 version of question
* Add tests
* Update depends on
* Update question number
* Update test
* Remove depends_on companybuy which has been removed
* Fix lint
Rachael Booth
Manny Dinssa
kosiakkatrina