Stripe: removal_pathway can now return "marine_carbon_removal"

What changed

Producer-side tools call this additive. It breaks exhaustive switches, strict parsers and generated client enums.

Affects removal_pathway on climate.supplier reachable from 9 operations.

New value: marine_carbon_removal.

can now return "marine_carbon_removal"

Who is affected

Code that reads Stripe's climate.supplier objects, used by 9 Stripe operations.

Before and after

Where	Before	After
climate.supplier.removal_pathway	"biomass_carbon_removal_and_storage", "direct_air_capture", "enhanced_weathering"	"biomass_carbon_removal_and_storage", "direct_air_capture", "enhanced_weathering", "marine_carbon_removal"

Code that breaks

switch (response.removal_pathway) {
  // existing branches …
  // no branch for "marine_carbon_removal"
  default:
    throw new Error("unexpected removal_pathway");
}

Based on Stripe’s published API specification. How severity is decided.