feat: add complement match relation to SDK types

Author: realfishsam

changelog.md

@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## [2.46.0] - 2026-05-25
+
+### Added
+
+- **Cross Exchange**: Add `complement` to the matched event and market cluster relation types in the core router types and TypeScript/Python SDK models, matching the hosted API's complement relation filter.
+
 ## [2.45.1] - 2026-05-25
 
 ### Fixed

core/src/router/types.ts

@@ -5,7 +5,7 @@ import type { UnifiedMarket, UnifiedEvent } from '../types';
 // Relation types (matches the matching engine's SetRelation)
 // ---------------------------------------------------------------------------
 
-export type MatchRelation = 'identity' | 'subset' | 'superset' | 'overlap' | 'disjoint';
+export type MatchRelation = 'identity' | 'complement' | 'subset' | 'superset' | 'overlap' | 'disjoint';
 
 // ---------------------------------------------------------------------------
 // Constructor options

sdks/python/pmxt/models.py

@@ -599,7 +599,7 @@ class EventFetchParams(TypedDict, total=False):
 # Router Types
 # ----------------------------------------------------------------------------
 
-MatchRelation = Literal["identity", "subset", "superset", "overlap", "disjoint"]
+MatchRelation = Literal["identity", "complement", "subset", "superset", "overlap", "disjoint"]
 ClusterSortOption = Literal["volume", "confidence"]
 VenueFilter = Union[str, List[str]]
 

sdks/typescript/pmxt/models.ts

@@ -824,7 +824,7 @@ export interface SubscribedAddressSnapshot {
 // ----------------------------------------------------------------------------
 
 /** Set-theoretic relation between two markets' resolution conditions. */
-export type MatchRelation = 'identity' | 'subset' | 'superset' | 'overlap' | 'disjoint';
+export type MatchRelation = 'identity' | 'complement' | 'subset' | 'superset' | 'overlap' | 'disjoint';
 
 /** A cross-venue market match with relation classification.
  *  Market properties (title, slug, url, etc.) are accessible directly on the result. */