CauslRemovedEngineOptionCode: "CAUSL_REMOVED_ENGINE_OPTION"

The code RemovedEngineOptionError carries — the discriminant its own docstring tells callers to branch on.

causl/causl-wasm-ts#363 — exported for the same reason import('./wasm-registry.js').CauslEngineErrorCode was (finding 8): tsconfig.base.json sets useUnknownInCatchVariables: true, so without a nameable literal an adopter's switch on err.code is (err as { code?: string }).code, an unchecked cast against an unexported string. This error is thrown by three @causl/causl-wasm-ts/wasm factories as well as by createCausl(), so it is reachable from a subpath-only adopter who never imports the main barrel.