fix(headless): capi 1587 facets are duplicated in capi request payload when using manual numeric facets

[BenKandelaars]

CAPI-1587

Fix for a couple of issues in headless, as found in Barca with numerical range facets (manual range facets in Headless)

• Remove duplicate facet's from the CAPI request
• Remove duplicate facet state from URL fragment
• Remove deselected numerical facet values from URL fragment

Curious I found a bug in the actions.test.ts file that meant the test should have been failing due to the duplicate facet in CAPI request bug but it passed. Fixing the bug now passes with the fixed code.

Current:
https://github.com/user-attachments/assets/9a075b2e-7dcb-4d65-b813-7f8ea8dc6129

Fix:
https://github.com/user-attachments/assets/0d78b0b2-dab0-400d-9483-23de0391912c

[github-actions]

Pull Request Report

PR Title

❌ Title should follow the conventional commit spec:
<type>(optional scope): <description>

Example: feat(headless): add result-list controller

Live demo links

• Storybook

• Playwright report

Bundle Size

File	Old (kb)	New (kb)	Change (%)
case-assist	242.6	242.6	0
commerce	347.3	347.5	0.1
search	413.8	413.7	0
insight	404.9	404.8	0
recommendation	254.9	254.9	0
ssr	407.3	407.2	0
ssr-commerce	362.3	362.6	0.1

SSR Progress

Use case	SSR (#)	CSR (#)	Progress (%)
search	39	44	89
recommendation	0	4	0
case-assist	0	6	0
insight	0	27	0
commerce	0	15	0

Detailed logs

search : buildInteractiveResult
search : buildInteractiveInstantResult
search : buildInteractiveRecentResult
search : buildInteractiveCitation
search : buildGeneratedAnswer
recommendation : missing SSR support
case-assist : missing SSR support
insight : missing SSR support
commerce : missing SSR support